diff options
| author | spl3g <spleefer6@yandex.ru> | 2025-11-09 20:43:50 +0300 |
|---|---|---|
| committer | spl3g <spleefer6@yandex.ru> | 2025-11-09 20:43:50 +0300 |
| commit | fc326115fa154bc19f3f10d7c2c4e57710ef1e0d (patch) | |
| tree | 53ea067805d79d578a258fb0c347aa1525ab2dc2 /third-party/sokol/sokol_gl.h | |
| parent | 11e5f50717af85f775491a5d2a2867a7e0f9c45f (diff) | |
Move to sokol (broke the wave screen)
Diffstat (limited to 'third-party/sokol/sokol_gl.h')
| -rw-r--r-- | third-party/sokol/sokol_gl.h | 4821 |
1 files changed, 4821 insertions, 0 deletions
diff --git a/third-party/sokol/sokol_gl.h b/third-party/sokol/sokol_gl.h new file mode 100644 index 0000000..afee0e2 --- /dev/null +++ b/third-party/sokol/sokol_gl.h @@ -0,0 +1,4821 @@ +#if defined(SOKOL_IMPL) && !defined(SOKOL_GL_IMPL) +#define SOKOL_GL_IMPL +#endif +#ifndef SOKOL_GL_INCLUDED +/* + sokol_gl.h -- OpenGL 1.x style rendering on top of sokol_gfx.h + + Project URL: https://github.com/floooh/sokol + + Do this: + #define SOKOL_IMPL or + #define SOKOL_GL_IMPL + before you include this file in *one* C or C++ file to create the + implementation. + + The following defines are used by the implementation to select the + platform-specific embedded shader code (these are the same defines as + used by sokol_gfx.h and sokol_app.h): + + SOKOL_GLCORE + SOKOL_GLES3 + SOKOL_D3D11 + SOKOL_METAL + SOKOL_WGPU + + ...optionally provide the following macros to override defaults: + + SOKOL_ASSERT(c) - your own assert macro (default: assert(c)) + SOKOL_GL_API_DECL - public function declaration prefix (default: extern) + SOKOL_API_DECL - same as SOKOL_GL_API_DECL + SOKOL_API_IMPL - public function implementation prefix (default: -) + SOKOL_UNREACHABLE() - a guard macro for unreachable code (default: assert(false)) + + If sokol_gl.h is compiled as a DLL, define the following before + including the declaration or implementation: + + SOKOL_DLL + + On Windows, SOKOL_DLL will define SOKOL_GL_API_DECL as __declspec(dllexport) + or __declspec(dllimport) as needed. + + Include the following headers before including sokol_gl.h: + + sokol_gfx.h + + Matrix functions have been taken from MESA and Regal. + + FEATURE OVERVIEW: + ================= + sokol_gl.h implements a subset of the OpenGLES 1.x feature set useful for + when you just want to quickly render a bunch of triangles or + lines without having to mess with buffers and shaders. + + The current feature set is mostly useful for debug visualizations + and simple UI-style 2D rendering: + + What's implemented: + - vertex components: + - position (x, y, z) + - 2D texture coords (u, v) + - color (r, g, b, a) + - primitive types: + - triangle list and strip + - line list and strip + - quad list (TODO: quad strips) + - point list + - one texture layer (no multi-texturing) + - viewport and scissor-rect with selectable origin (top-left or bottom-left) + - all GL 1.x matrix stack functions, and additionally equivalent + functions for gluPerspective and gluLookat + + Notable GLES 1.x features that are *NOT* implemented: + - vertex lighting (this is the most likely GL feature that might be added later) + - vertex arrays (although providing whole chunks of vertex data at once + might be a useful feature for a later version) + - texture coordinate generation + - line width + - all pixel store functions + - no ALPHA_TEST + - no clear functions (clearing is handled by the sokol-gfx render pass) + - fog + + Notable differences to GL: + - No "enum soup" for render states etc, instead there's a + 'pipeline stack', this is similar to GL's matrix stack, + but for pipeline-state-objects. The pipeline object at + the top of the pipeline stack defines the active set of render states + - All angles are in radians, not degrees (note the sgl_rad() and + sgl_deg() conversion functions) + - No enable/disable state for scissor test, this is always enabled + + STEP BY STEP: + ============= + --- To initialize sokol-gl, call: + + sgl_setup(const sgl_desc_t* desc) + + NOTE that sgl_setup() must be called *after* initializing sokol-gfx + (via sg_setup). This is because sgl_setup() needs to create + sokol-gfx resource objects. + + If you're intending to render to the default pass, and also don't + want to tweak memory usage, and don't want any logging output you can + just keep sgl_desc_t zero-initialized: + + sgl_setup(&(sgl_desc_t*){ 0 }); + + In this case, sokol-gl will create internal sg_pipeline objects that + are compatible with the sokol-app default framebuffer. + + I would recommend to at least install a logging callback so that + you'll see any warnings and errors. The easiest way is through + sokol_log.h: + + #include "sokol_log.h" + + sgl_setup(&(sgl_desc_t){ + .logger.func = slog_func. + }); + + If you want to render into a framebuffer with different pixel-format + and MSAA attributes you need to provide the matching attributes in the + sgl_setup() call: + + sgl_setup(&(sgl_desc_t*){ + .color_format = SG_PIXELFORMAT_..., + .depth_format = SG_PIXELFORMAT_..., + .sample_count = ..., + }); + + To reduce memory usage, or if you need to create more then the default number of + contexts, pipelines, vertices or draw commands, set the following sgl_desc_t + members: + + .context_pool_size (default: 4) + .pipeline_pool_size (default: 64) + .max_vertices (default: 64k) + .max_commands (default: 16k) + + Finally you can change the face winding for front-facing triangles + and quads: + + .face_winding - default is SG_FACEWINDING_CCW + + The default winding for front faces is counter-clock-wise. This is + the same as OpenGL's default, but different from sokol-gfx. + + --- Optionally create additional context objects if you want to render into + multiple sokol-gfx render passes (or generally if you want to + use multiple independent sokol-gl "state buckets") + + sgl_context ctx = sgl_make_context(const sgl_context_desc_t* desc) + + For details on rendering with sokol-gl contexts, search below for + WORKING WITH CONTEXTS. + + --- Optionally create pipeline-state-objects if you need render state + that differs from sokol-gl's default state: + + sgl_pipeline pip = sgl_make_pipeline(const sg_pipeline_desc* desc) + + ...this creates a pipeline object that's compatible with the currently + active context, alternatively call: + + sgl_pipeline_pip = sgl_context_make_pipeline(sgl_context ctx, const sg_pipeline_desc* desc) + + ...to create a pipeline object that's compatible with an explicitly + provided context. + + The similarity with sokol_gfx.h's sg_pipeline type and sg_make_pipeline() + function is intended. sgl_make_pipeline() also takes a standard + sokol-gfx sg_pipeline_desc object to describe the render state, but + without: + - shader + - vertex layout + - color- and depth-pixel-formats + - primitive type (lines, triangles, ...) + - MSAA sample count + Those will be filled in by sgl_make_pipeline(). Note that each + call to sgl_make_pipeline() needs to create several sokol-gfx + pipeline objects (one for each primitive type). + + 'depth.write_enabled' will be forced to 'false' if the context this + pipeline object is intended for has its depth pixel format set to + SG_PIXELFORMAT_NONE (which means the framebuffer this context is used + with doesn't have a depth-stencil surface). + + --- if you need to destroy sgl_pipeline objects before sgl_shutdown(): + + sgl_destroy_pipeline(sgl_pipeline pip) + + --- After sgl_setup() you can call any of the sokol-gl functions anywhere + in a frame, *except* sgl_draw(). The 'vanilla' functions + will only change internal sokol-gl state, and not call any sokol-gfx + functions. + + --- Unlike OpenGL, sokol-gl has a function to reset internal state to + a known default. This is useful at the start of a sequence of + rendering operations: + + void sgl_defaults(void) + + This will set the following default state: + + - current texture coordinate to u=0.0f, v=0.0f + - current color to white (rgba all 1.0f) + - current point size to 1.0f + - unbind the current texture and texturing will be disabled + - *all* matrices will be set to identity (also the projection matrix) + - the default render state will be set by loading the 'default pipeline' + into the top of the pipeline stack + + The current matrix- and pipeline-stack-depths will not be changed by + sgl_defaults(). + + --- change the currently active renderstate through the + pipeline-stack functions, this works similar to the + traditional GL matrix stack: + + ...load the default pipeline state on the top of the pipeline stack: + + sgl_load_default_pipeline() + + ...load a specific pipeline on the top of the pipeline stack: + + sgl_load_pipeline(sgl_pipeline pip) + + ...push and pop the pipeline stack: + sgl_push_pipeline() + sgl_pop_pipeline() + + --- control texturing with: + + sgl_enable_texture() + sgl_disable_texture() + sgl_texture(sg_view tex_view, sg_sampler smp) + + NOTE: the tex_view and smp handles can be invalid (SG_INVALID_ID), in this + case, sokol-gl will fall back to the internal default (white) texture + and sampler. + + --- set the current viewport and scissor rect with: + + sgl_viewport(int x, int y, int w, int h, bool origin_top_left) + sgl_scissor_rect(int x, int y, int w, int h, bool origin_top_left) + + ...or call these alternatives which take float arguments (this might allow + to avoid casting between float and integer in more strongly typed languages + when floating point pixel coordinates are used): + + sgl_viewportf(float x, float y, float w, float h, bool origin_top_left) + sgl_scissor_rectf(float x, float y, float w, float h, bool origin_top_left) + + ...these calls add a new command to the internal command queue, so + that the viewport or scissor rect are set at the right time relative + to other sokol-gl calls. + + --- adjust the transform matrices, matrix manipulation works just like + the OpenGL matrix stack: + + ...set the current matrix mode: + + sgl_matrix_mode_modelview() + sgl_matrix_mode_projection() + sgl_matrix_mode_texture() + + ...load the identity matrix into the current matrix: + + sgl_load_identity() + + ...translate, rotate and scale the current matrix: + + sgl_translate(float x, float y, float z) + sgl_rotate(float angle_rad, float x, float y, float z) + sgl_scale(float x, float y, float z) + + NOTE that all angles in sokol-gl are in radians, not in degree. + Convert between radians and degree with the helper functions: + + float sgl_rad(float deg) - degrees to radians + float sgl_deg(float rad) - radians to degrees + + ...directly load the current matrix from a float[16] array: + + sgl_load_matrix(const float m[16]) + sgl_load_transpose_matrix(const float m[16]) + + ...directly multiply the current matrix from a float[16] array: + + sgl_mult_matrix(const float m[16]) + sgl_mult_transpose_matrix(const float m[16]) + + The memory layout of those float[16] arrays is the same as in OpenGL. + + ...more matrix functions: + + sgl_frustum(float left, float right, float bottom, float top, float near, float far) + sgl_ortho(float left, float right, float bottom, float top, float near, float far) + sgl_perspective(float fov_y, float aspect, float near, float far) + sgl_lookat(float eye_x, float eye_y, float eye_z, float center_x, float center_y, float center_z, float up_x, float up_y, float up_z) + + These functions work the same as glFrustum(), glOrtho(), gluPerspective() + and gluLookAt(). + + ...and finally to push / pop the current matrix stack: + + sgl_push_matrix(void) + sgl_pop_matrix(void) + + Again, these work the same as glPushMatrix() and glPopMatrix(). + + --- perform primitive rendering: + + ...set the current texture coordinate and color 'registers' with or + point size with: + + sgl_t2f(float u, float v) - set current texture coordinate + sgl_c*(...) - set current color + sgl_point_size(float size) - set current point size + + There are several functions for setting the color (as float values, + unsigned byte values, packed as unsigned 32-bit integer, with + and without alpha). + + NOTE that these are the only functions that can be called both inside + sgl_begin_*() / sgl_end() and outside. + + Also NOTE that point size is currently hardwired to 1.0f if the D3D11 + backend is used. + + ...start a primitive vertex sequence with: + + sgl_begin_points() + sgl_begin_lines() + sgl_begin_line_strip() + sgl_begin_triangles() + sgl_begin_triangle_strip() + sgl_begin_quads() + + ...after sgl_begin_*() specify vertices: + + sgl_v*(...) + sgl_v*_t*(...) + sgl_v*_c*(...) + sgl_v*_t*_c*(...) + + These functions write a new vertex to sokol-gl's internal vertex buffer, + optionally with texture-coords and color. If the texture coordinate + and/or color is missing, it will be taken from the current texture-coord + and color 'register'. + + ...finally, after specifying vertices, call: + + sgl_end() + + This will record a new draw command in sokol-gl's internal command + list, or it will extend the previous draw command if no relevant + state has changed since the last sgl_begin/end pair. + + --- inside a sokol-gfx rendering pass, call the sgl_draw() function + to render the currently active context: + + sgl_draw() + + ...or alternatively call: + + sgl_context_draw(ctx) + + ...to render an explicitly provided context. + + This will render everything that has been recorded in the context since + the last call to sgl_draw() through sokol-gfx, and will 'rewind' the internal + vertex-, uniform- and command-buffers. + + --- each sokol-gl context tracks internal error states which can + be obtains via: + + sgl_error_t sgl_error() + + ...alternatively with an explicit context argument: + + sgl_error_t sgl_context_error(ctx); + + ...this returns a struct with the following booleans: + + .any - true if any of the below errors is true + .vertices_full - internal vertex buffer is full (checked in sgl_end()) + .uniforms_full - the internal uniforms buffer is full (checked in sgl_end()) + .commands_full - the internal command buffer is full (checked in sgl_end()) + .stack_overflow - matrix- or pipeline-stack overflow + .stack_underflow - matrix- or pipeline-stack underflow + .no_context - the active context no longer exists + + ...depending on the above error state, sgl_draw() may skip rendering + completely, or only draw partial geometry + + --- you can get the number of recorded vertices and draw commands in the current + frame and active sokol-gl context via: + + int sgl_num_vertices() + int sgl_num_commands() + + ...this allows you to check whether the vertex or command pools are running + full before the overflow actually happens (in this case you could also + check the error booleans in the result of sgl_error()). + + RENDER LAYERS + ============= + Render layers allow to split sokol-gl rendering into separate draw-command + groups which can then be rendered separately in a sokol-gfx draw pass. This + allows to mix/interleave sokol-gl rendering with other render operations. + + Layered rendering is controlled through two functions: + + sgl_layer(int layer_id) + sgl_draw_layer(int layer_id) + + (and the context-variant sgl_draw_layer(): sgl_context_draw_layer() + + The sgl_layer() function sets the 'current layer', any sokol-gl calls + which internally record draw commands will also store the current layer + in the draw command, and later in a sokol-gfx render pass, a call + to sgl_draw_layer() will only render the draw commands that have + a matching layer. + + The default layer is '0', this is active after sokol-gl setup, and + is also restored at the start of a new frame (but *not* by calling + sgl_defaults()). + + NOTE that calling sgl_draw() is equivalent with sgl_draw_layer(0) + (in general you should either use either use sgl_draw() or + sgl_draw_layer() in an application, but not both). + + WORKING WITH CONTEXTS: + ====================== + If you want to render to more than one sokol-gfx render pass you need to + work with additional sokol-gl context objects (one context object for + each offscreen rendering pass, in addition to the implicitly created + 'default context'. + + All sokol-gl state is tracked per context, and there is always a "current + context" (with the notable exception that the currently set context is + destroyed, more on that later). + + Using multiple contexts can also be useful if you only render in + a single pass, but want to maintain multiple independent "state buckets". + + To create new context object, call: + + sgl_context ctx = sgl_make_context(&(sgl_context_desc){ + .max_vertices = ..., // default: 64k + .max_commands = ..., // default: 16k + .color_format = ..., + .depth_format = ..., + .sample_count = ..., + }); + + The color_format, depth_format and sample_count items must be compatible + with the render pass the sgl_draw() or sgL_context_draw() function + will be called in. + + Creating a context does *not* make the context current. To do this, call: + + sgl_set_context(ctx); + + The currently active context will implicitly be used by most sokol-gl functions + which don't take an explicit context handle as argument. + + To switch back to the default context, pass the global constant SGL_DEFAULT_CONTEXT: + + sgl_set_context(SGL_DEFAULT_CONTEXT); + + ...or alternatively use the function sgl_default_context() instead of the + global constant: + + sgl_set_context(sgl_default_context()); + + To get the currently active context, call: + + sgl_context cur_ctx = sgl_get_context(); + + The following functions exist in two variants, one which use the currently + active context (set with sgl_set_context()), and another version which + takes an explicit context handle instead: + + sgl_make_pipeline() vs sgl_context_make_pipeline() + sgl_error() vs sgl_context_error(); + sgl_draw() vs sgl_context_draw(); + + Except for using the currently active context versus a provided context + handle, the two variants are exactlyidentical, e.g. the following + code sequences do the same thing: + + sgl_set_context(ctx); + sgl_pipeline pip = sgl_make_pipeline(...); + sgl_error_t err = sgl_error(); + sgl_draw(); + + vs + + sgl_pipeline pip = sgl_context_make_pipeline(ctx, ...); + sgl_error_t err = sgl_context_error(ctx); + sgl_context_draw(ctx); + + Destroying the currently active context is a 'soft error'. All following + calls which require a currently active context will silently fail, + and sgl_error() will return SGL_ERROR_NO_CONTEXT. + + UNDER THE HOOD: + =============== + sokol_gl.h works by recording vertex data and rendering commands into + memory buffers, and then drawing the recorded commands via sokol_gfx.h + + The only functions which call into sokol_gfx.h are: + - sgl_setup() + - sgl_shutdown() + - sgl_draw() (and variants) + + sgl_setup() must be called after initializing sokol-gfx. + sgl_shutdown() must be called before shutting down sokol-gfx. + sgl_draw() must be called once per frame inside a sokol-gfx render pass. + + All other sokol-gl function can be called anywhere in a frame, since + they just record data into memory buffers owned by sokol-gl. + + What happens in: + + sgl_setup(): + Unique resources shared by all contexts are created: + - a shader object (using embedded shader source or byte code) + - an 8x8 white default texture + The default context is created, which involves: + - 3 memory buffers are created, one for vertex data, + one for uniform data, and one for commands + - a dynamic vertex buffer is created + - the default sgl_pipeline object is created, which involves + creating 5 sg_pipeline objects + + One vertex is 24 bytes: + - float3 position + - float2 texture coords + - uint32_t color + + One uniform block is 128 bytes: + - mat4 model-view-projection matrix + - mat4 texture matrix + + One draw command is ca. 24 bytes for the actual + command code plus command arguments. + + Each sgl_end() consumes one command, and one uniform block + (only when the matrices have changed). + The required size for one sgl_begin/end pair is (at most): + + (152 + 24 * num_verts) bytes + + sgl_shutdown(): + - all sokol-gfx resources (buffer, shader, default-texture and + all pipeline objects) are destroyed + - the 3 memory buffers are freed + + sgl_draw() (and variants) + - copy all recorded vertex data into the dynamic sokol-gfx buffer + via a call to sg_update_buffer() + - for each recorded command: + - if the layer number stored in the command doesn't match + the layer that's to be rendered, skip to the next + command + - if it's a viewport command, call sg_apply_viewport() + - if it's a scissor-rect command, call sg_apply_scissor_rect() + - if it's a draw command: + - depending on what has changed since the last draw command, + call sg_apply_pipeline(), sg_apply_bindings() and + sg_apply_uniforms() + - finally call sg_draw() + + All other functions only modify the internally tracked state, add + data to the vertex, uniform and command buffers, or manipulate + the matrix stack. + + ON DRAW COMMAND MERGING + ======================= + Not every call to sgl_end() will automatically record a new draw command. + If possible, the previous draw command will simply be extended, + resulting in fewer actual draw calls later in sgl_draw(). + + A draw command will be merged with the previous command if "no relevant + state has changed" since the last sgl_end(), meaning: + + - no calls to sgl_viewport() and sgl_scissor_rect() + - the primitive type hasn't changed + - the primitive type isn't a 'strip type' (no line or triangle strip) + - the pipeline state object hasn't changed + - the current layer hasn't changed + - none of the matrices has changed + - none of the texture state has changed + + Merging a draw command simply means that the number of vertices + to render in the previous draw command will be incremented by the + number of vertices in the new draw command. + + MEMORY ALLOCATION OVERRIDE + ========================== + You can override the memory allocation functions at initialization time + like this: + + void* my_alloc(size_t size, void* user_data) { + return malloc(size); + } + + void my_free(void* ptr, void* user_data) { + free(ptr); + } + + ... + sgl_setup(&(sgl_desc_t){ + // ... + .allocator = { + .alloc_fn = my_alloc, + .free_fn = my_free, + .user_data = ...; + } + }); + ... + + If no overrides are provided, malloc and free will be used. + + + ERROR REPORTING AND LOGGING + =========================== + To get any logging information at all you need to provide a logging callback in the setup call, + the easiest way is to use sokol_log.h: + + #include "sokol_log.h" + + sgl_setup(&(sgl_desc_t){ + // ... + .logger.func = slog_func + }); + + To override logging with your own callback, first write a logging function like this: + + void my_log(const char* tag, // e.g. 'sgl' + uint32_t log_level, // 0=panic, 1=error, 2=warn, 3=info + uint32_t log_item_id, // SGL_LOGITEM_* + const char* message_or_null, // a message string, may be nullptr in release mode + uint32_t line_nr, // line number in sokol_gl.h + const char* filename_or_null, // source filename, may be nullptr in release mode + void* user_data) + { + ... + } + + ...and then setup sokol-gl like this: + + sgl_setup(&(sgl_desc_t){ + .logger = { + .func = my_log, + .user_data = my_user_data, + } + }); + + The provided logging function must be reentrant (e.g. be callable from + different threads). + + If you don't want to provide your own custom logger it is highly recommended to use + the standard logger in sokol_log.h instead, otherwise you won't see any warnings or + errors. + + + LICENSE + ======= + zlib/libpng license + + Copyright (c) 2018 Andre Weissflog + + This software is provided 'as-is', without any express or implied warranty. + In no event will the authors be held liable for any damages arising from the + use of this software. + + Permission is granted to anyone to use this software for any purpose, + including commercial applications, and to alter it and redistribute it + freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software in a + product, an acknowledgment in the product documentation would be + appreciated but is not required. + + 2. Altered source versions must be plainly marked as such, and must not + be misrepresented as being the original software. + + 3. This notice may not be removed or altered from any source + distribution. +*/ +#define SOKOL_GL_INCLUDED (1) +#include <stdint.h> +#include <stdbool.h> +#include <stddef.h> // size_t, offsetof + +#if !defined(SOKOL_GFX_INCLUDED) +#error "Please include sokol_gfx.h before sokol_gl.h" +#endif + +#if defined(SOKOL_API_DECL) && !defined(SOKOL_GL_API_DECL) +#define SOKOL_GL_API_DECL SOKOL_API_DECL +#endif +#ifndef SOKOL_GL_API_DECL +#if defined(_WIN32) && defined(SOKOL_DLL) && defined(SOKOL_GL_IMPL) +#define SOKOL_GL_API_DECL __declspec(dllexport) +#elif defined(_WIN32) && defined(SOKOL_DLL) +#define SOKOL_GL_API_DECL __declspec(dllimport) +#else +#define SOKOL_GL_API_DECL extern +#endif +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +/* + sgl_log_item_t + + Log items are defined via X-Macros, and expanded to an + enum 'sgl_log_item' - and in debug mode only - corresponding strings. + + Used as parameter in the logging callback. +*/ +#define _SGL_LOG_ITEMS \ + _SGL_LOGITEM_XMACRO(OK, "Ok") \ + _SGL_LOGITEM_XMACRO(MALLOC_FAILED, "memory allocation failed") \ + _SGL_LOGITEM_XMACRO(MAKE_PIPELINE_FAILED, "sg_make_pipeline() failed") \ + _SGL_LOGITEM_XMACRO(PIPELINE_POOL_EXHAUSTED, "pipeline pool exhausted (use sgl_desc_t.pipeline_pool_size to adjust)") \ + _SGL_LOGITEM_XMACRO(ADD_COMMIT_LISTENER_FAILED, "sg_add_commit_listener() failed") \ + _SGL_LOGITEM_XMACRO(CONTEXT_POOL_EXHAUSTED, "context pool exhausted (use sgl_desc_t.context_pool_size to adjust)") \ + _SGL_LOGITEM_XMACRO(CANNOT_DESTROY_DEFAULT_CONTEXT, "cannot destroy default context") \ + +#define _SGL_LOGITEM_XMACRO(item,msg) SGL_LOGITEM_##item, +typedef enum sgl_log_item_t { + _SGL_LOG_ITEMS +} sgl_log_item_t; +#undef _SGL_LOGITEM_XMACRO + +/* + sgl_logger_t + + Used in sgl_desc_t to provide a custom logging and error reporting + callback to sokol-gl. +*/ +typedef struct sgl_logger_t { + void (*func)( + const char* tag, // always "sgl" + uint32_t log_level, // 0=panic, 1=error, 2=warning, 3=info + uint32_t log_item_id, // SGL_LOGITEM_* + const char* message_or_null, // a message string, may be nullptr in release mode + uint32_t line_nr, // line number in sokol_gl.h + const char* filename_or_null, // source filename, may be nullptr in release mode + void* user_data); + void* user_data; +} sgl_logger_t; + +/* sokol_gl pipeline handle (created with sgl_make_pipeline()) */ +typedef struct sgl_pipeline { uint32_t id; } sgl_pipeline; + +/* a context handle (created with sgl_make_context()) */ +typedef struct sgl_context { uint32_t id; } sgl_context; + +/* + sgl_error_t + + Errors are reset each frame after calling sgl_draw(), + get the last error code with sgl_error() +*/ +typedef struct sgl_error_t { + bool any; + bool vertices_full; + bool uniforms_full; + bool commands_full; + bool stack_overflow; + bool stack_underflow; + bool no_context; +} sgl_error_t; + +/* + sgl_context_desc_t + + Describes the initialization parameters of a rendering context. + Creating additional contexts is useful if you want to render + in separate sokol-gfx passes. +*/ +typedef struct sgl_context_desc_t { + int max_vertices; // default: 64k + int max_commands; // default: 16k + sg_pixel_format color_format; + sg_pixel_format depth_format; + int sample_count; +} sgl_context_desc_t; + +/* + sgl_allocator_t + + Used in sgl_desc_t to provide custom memory-alloc and -free functions + to sokol_gl.h. If memory management should be overridden, both the + alloc and free function must be provided (e.g. it's not valid to + override one function but not the other). +*/ +typedef struct sgl_allocator_t { + void* (*alloc_fn)(size_t size, void* user_data); + void (*free_fn)(void* ptr, void* user_data); + void* user_data; +} sgl_allocator_t; + +typedef struct sgl_desc_t { + int max_vertices; // default: 64k + int max_commands; // default: 16k + int context_pool_size; // max number of contexts (including default context), default: 4 + int pipeline_pool_size; // size of internal pipeline pool, default: 64 + sg_pixel_format color_format; + sg_pixel_format depth_format; + int sample_count; + sg_face_winding face_winding; // default: SG_FACEWINDING_CCW + sgl_allocator_t allocator; // optional memory allocation overrides (default: malloc/free) + sgl_logger_t logger; // optional log function override (default: NO LOGGING) +} sgl_desc_t; + +/* the default context handle */ +static const sgl_context SGL_DEFAULT_CONTEXT = { 0x00010001 }; + +/* setup/shutdown/misc */ +SOKOL_GL_API_DECL void sgl_setup(const sgl_desc_t* desc); +SOKOL_GL_API_DECL void sgl_shutdown(void); +SOKOL_GL_API_DECL float sgl_rad(float deg); +SOKOL_GL_API_DECL float sgl_deg(float rad); +SOKOL_GL_API_DECL sgl_error_t sgl_error(void); +SOKOL_GL_API_DECL sgl_error_t sgl_context_error(sgl_context ctx); + +/* context functions */ +SOKOL_GL_API_DECL sgl_context sgl_make_context(const sgl_context_desc_t* desc); +SOKOL_GL_API_DECL void sgl_destroy_context(sgl_context ctx); +SOKOL_GL_API_DECL void sgl_set_context(sgl_context ctx); +SOKOL_GL_API_DECL sgl_context sgl_get_context(void); +SOKOL_GL_API_DECL sgl_context sgl_default_context(void); + +/* get information about recorded vertices and commands in current context */ +SOKOL_GL_API_DECL int sgl_num_vertices(void); +SOKOL_GL_API_DECL int sgl_num_commands(void); + +/* draw recorded commands (call inside a sokol-gfx render pass) */ +SOKOL_GL_API_DECL void sgl_draw(void); +SOKOL_GL_API_DECL void sgl_context_draw(sgl_context ctx); +SOKOL_GL_API_DECL void sgl_draw_layer(int layer_id); +SOKOL_GL_API_DECL void sgl_context_draw_layer(sgl_context ctx, int layer_id); + +/* create and destroy pipeline objects */ +SOKOL_GL_API_DECL sgl_pipeline sgl_make_pipeline(const sg_pipeline_desc* desc); +SOKOL_GL_API_DECL sgl_pipeline sgl_context_make_pipeline(sgl_context ctx, const sg_pipeline_desc* desc); +SOKOL_GL_API_DECL void sgl_destroy_pipeline(sgl_pipeline pip); + +/* render state functions */ +SOKOL_GL_API_DECL void sgl_defaults(void); +SOKOL_GL_API_DECL void sgl_viewport(int x, int y, int w, int h, bool origin_top_left); +SOKOL_GL_API_DECL void sgl_viewportf(float x, float y, float w, float h, bool origin_top_left); +SOKOL_GL_API_DECL void sgl_scissor_rect(int x, int y, int w, int h, bool origin_top_left); +SOKOL_GL_API_DECL void sgl_scissor_rectf(float x, float y, float w, float h, bool origin_top_left); +SOKOL_GL_API_DECL void sgl_enable_texture(void); +SOKOL_GL_API_DECL void sgl_disable_texture(void); +SOKOL_GL_API_DECL void sgl_texture(sg_view tex_view, sg_sampler smp); +SOKOL_GL_API_DECL void sgl_layer(int layer_id); + +/* pipeline stack functions */ +SOKOL_GL_API_DECL void sgl_load_default_pipeline(void); +SOKOL_GL_API_DECL void sgl_load_pipeline(sgl_pipeline pip); +SOKOL_GL_API_DECL void sgl_push_pipeline(void); +SOKOL_GL_API_DECL void sgl_pop_pipeline(void); + +/* matrix stack functions */ +SOKOL_GL_API_DECL void sgl_matrix_mode_modelview(void); +SOKOL_GL_API_DECL void sgl_matrix_mode_projection(void); +SOKOL_GL_API_DECL void sgl_matrix_mode_texture(void); +SOKOL_GL_API_DECL void sgl_load_identity(void); +SOKOL_GL_API_DECL void sgl_load_matrix(const float m[16]); +SOKOL_GL_API_DECL void sgl_load_transpose_matrix(const float m[16]); +SOKOL_GL_API_DECL void sgl_mult_matrix(const float m[16]); +SOKOL_GL_API_DECL void sgl_mult_transpose_matrix(const float m[16]); +SOKOL_GL_API_DECL void sgl_rotate(float angle_rad, float x, float y, float z); +SOKOL_GL_API_DECL void sgl_scale(float x, float y, float z); +SOKOL_GL_API_DECL void sgl_translate(float x, float y, float z); +SOKOL_GL_API_DECL void sgl_frustum(float l, float r, float b, float t, float n, float f); +SOKOL_GL_API_DECL void sgl_ortho(float l, float r, float b, float t, float n, float f); +SOKOL_GL_API_DECL void sgl_perspective(float fov_y, float aspect, float z_near, float z_far); +SOKOL_GL_API_DECL void sgl_lookat(float eye_x, float eye_y, float eye_z, float center_x, float center_y, float center_z, float up_x, float up_y, float up_z); +SOKOL_GL_API_DECL void sgl_push_matrix(void); +SOKOL_GL_API_DECL void sgl_pop_matrix(void); + +/* these functions only set the internal 'current texcoord / color / point size' (valid inside or outside begin/end) */ +SOKOL_GL_API_DECL void sgl_t2f(float u, float v); +SOKOL_GL_API_DECL void sgl_c3f(float r, float g, float b); +SOKOL_GL_API_DECL void sgl_c4f(float r, float g, float b, float a); +SOKOL_GL_API_DECL void sgl_c3b(uint8_t r, uint8_t g, uint8_t b); +SOKOL_GL_API_DECL void sgl_c4b(uint8_t r, uint8_t g, uint8_t b, uint8_t a); +SOKOL_GL_API_DECL void sgl_c1i(uint32_t rgba); +SOKOL_GL_API_DECL void sgl_point_size(float s); + +/* define primitives, each begin/end is one draw command */ +SOKOL_GL_API_DECL void sgl_begin_points(void); +SOKOL_GL_API_DECL void sgl_begin_lines(void); +SOKOL_GL_API_DECL void sgl_begin_line_strip(void); +SOKOL_GL_API_DECL void sgl_begin_triangles(void); +SOKOL_GL_API_DECL void sgl_begin_triangle_strip(void); +SOKOL_GL_API_DECL void sgl_begin_quads(void); +SOKOL_GL_API_DECL void sgl_v2f(float x, float y); +SOKOL_GL_API_DECL void sgl_v3f(float x, float y, float z); +SOKOL_GL_API_DECL void sgl_v2f_t2f(float x, float y, float u, float v); +SOKOL_GL_API_DECL void sgl_v3f_t2f(float x, float y, float z, float u, float v); +SOKOL_GL_API_DECL void sgl_v2f_c3f(float x, float y, float r, float g, float b); +SOKOL_GL_API_DECL void sgl_v2f_c3b(float x, float y, uint8_t r, uint8_t g, uint8_t b); +SOKOL_GL_API_DECL void sgl_v2f_c4f(float x, float y, float r, float g, float b, float a); +SOKOL_GL_API_DECL void sgl_v2f_c4b(float x, float y, uint8_t r, uint8_t g, uint8_t b, uint8_t a); +SOKOL_GL_API_DECL void sgl_v2f_c1i(float x, float y, uint32_t rgba); +SOKOL_GL_API_DECL void sgl_v3f_c3f(float x, float y, float z, float r, float g, float b); +SOKOL_GL_API_DECL void sgl_v3f_c3b(float x, float y, float z, uint8_t r, uint8_t g, uint8_t b); +SOKOL_GL_API_DECL void sgl_v3f_c4f(float x, float y, float z, float r, float g, float b, float a); +SOKOL_GL_API_DECL void sgl_v3f_c4b(float x, float y, float z, uint8_t r, uint8_t g, uint8_t b, uint8_t a); +SOKOL_GL_API_DECL void sgl_v3f_c1i(float x, float y, float z, uint32_t rgba); +SOKOL_GL_API_DECL void sgl_v2f_t2f_c3f(float x, float y, float u, float v, float r, float g, float b); +SOKOL_GL_API_DECL void sgl_v2f_t2f_c3b(float x, float y, float u, float v, uint8_t r, uint8_t g, uint8_t b); +SOKOL_GL_API_DECL void sgl_v2f_t2f_c4f(float x, float y, float u, float v, float r, float g, float b, float a); +SOKOL_GL_API_DECL void sgl_v2f_t2f_c4b(float x, float y, float u, float v, uint8_t r, uint8_t g, uint8_t b, uint8_t a); +SOKOL_GL_API_DECL void sgl_v2f_t2f_c1i(float x, float y, float u, float v, uint32_t rgba); +SOKOL_GL_API_DECL void sgl_v3f_t2f_c3f(float x, float y, float z, float u, float v, float r, float g, float b); +SOKOL_GL_API_DECL void sgl_v3f_t2f_c3b(float x, float y, float z, float u, float v, uint8_t r, uint8_t g, uint8_t b); +SOKOL_GL_API_DECL void sgl_v3f_t2f_c4f(float x, float y, float z, float u, float v, float r, float g, float b, float a); +SOKOL_GL_API_DECL void sgl_v3f_t2f_c4b(float x, float y, float z, float u, float v, uint8_t r, uint8_t g, uint8_t b, uint8_t a); +SOKOL_GL_API_DECL void sgl_v3f_t2f_c1i(float x, float y, float z, float u, float v, uint32_t rgba); +SOKOL_GL_API_DECL void sgl_end(void); + +#ifdef __cplusplus +} /* extern "C" */ + +/* reference-based equivalents for C++ */ +inline void sgl_setup(const sgl_desc_t& desc) { return sgl_setup(&desc); } +inline sgl_context sgl_make_context(const sgl_context_desc_t& desc) { return sgl_make_context(&desc); } +inline sgl_pipeline sgl_make_pipeline(const sg_pipeline_desc& desc) { return sgl_make_pipeline(&desc); } +inline sgl_pipeline sgl_context_make_pipeline(sgl_context ctx, const sg_pipeline_desc& desc) { return sgl_context_make_pipeline(ctx, &desc); } +#endif +#endif /* SOKOL_GL_INCLUDED */ + +// ██ ███ ███ ██████ ██ ███████ ███ ███ ███████ ███ ██ ████████ █████ ████████ ██ ██████ ███ ██ +// ██ ████ ████ ██ ██ ██ ██ ████ ████ ██ ████ ██ ██ ██ ██ ██ ██ ██ ██ ████ ██ +// ██ ██ ████ ██ ██████ ██ █████ ██ ████ ██ █████ ██ ██ ██ ██ ███████ ██ ██ ██ ██ ██ ██ ██ +// ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ +// ██ ██ ██ ██ ███████ ███████ ██ ██ ███████ ██ ████ ██ ██ ██ ██ ██ ██████ ██ ████ +// +// >>implementation +#ifdef SOKOL_GL_IMPL +#define SOKOL_GL_IMPL_INCLUDED (1) + +#if defined(SOKOL_MALLOC) || defined(SOKOL_CALLOC) || defined(SOKOL_FREE) +#error "SOKOL_MALLOC/CALLOC/FREE macros are no longer supported, please use sgl_desc_t.allocator to override memory allocation functions" +#endif + +#include <stdlib.h> // malloc/free +#include <string.h> // memset +#include <math.h> // M_PI, sqrtf, sinf, cosf + +#ifndef M_PI +#define M_PI 3.14159265358979323846264338327 +#endif + +#ifndef SOKOL_API_IMPL + #define SOKOL_API_IMPL +#endif +#ifndef SOKOL_DEBUG + #ifndef NDEBUG + #define SOKOL_DEBUG + #endif +#endif +#ifndef SOKOL_ASSERT + #include <assert.h> + #define SOKOL_ASSERT(c) assert(c) +#endif + +#define _sgl_def(val, def) (((val) == 0) ? (def) : (val)) +#define _SGL_INIT_COOKIE (0xABCDABCD) + +/* + Embedded source code compiled with: + + sokol-shdc -i sgl.glsl -o sgl.h -l glsl410:glsl300es:hlsl4:metal_macos:metal_ios:metal_sim:wgsl -b + + (not that for Metal and D3D11 byte code, sokol-shdc must be run + on macOS and Windows) + + @vs vs + layout(binding=0) uniform vs_params { + mat4 mvp; + mat4 tm; + }; + in vec4 position; + in vec2 texcoord0; + in vec4 color0; + in float psize; + out vec4 uv; + out vec4 color; + void main() { + gl_Position = mvp * position; + #ifndef SOKOL_WGSL + gl_PointSize = psize; + #endif + uv = tm * vec4(texcoord0, 0.0, 1.0); + color = color0; + } + @end + + @fs fs + layout(binding=0) uniform texture2D tex; + layout(binding=0) uniform sampler smp; + in vec4 uv; + in vec4 color; + out vec4 frag_color; + void main() { + frag_color = texture(sampler2D(tex, smp), uv.xy) * color; + } + @end + + @program sgl vs fs +*/ + +#if defined(SOKOL_GLCORE) +/* + #version 410 + + uniform vec4 vs_params[8]; + layout(location = 0) in vec4 position; + layout(location = 3) in float psize; + layout(location = 0) out vec4 uv; + layout(location = 1) in vec2 texcoord0; + layout(location = 1) out vec4 color; + layout(location = 2) in vec4 color0; + + void main() + { + gl_Position = mat4(vs_params[0], vs_params[1], vs_params[2], vs_params[3]) * position; + gl_PointSize = psize; + uv = mat4(vs_params[4], vs_params[5], vs_params[6], vs_params[7]) * vec4(texcoord0, 0.0, 1.0); + color = color0; + } +*/ +static const uint8_t _sgl_vs_source_glsl410[520] = { + 0x23,0x76,0x65,0x72,0x73,0x69,0x6f,0x6e,0x20,0x34,0x31,0x30,0x0a,0x0a,0x75,0x6e, + 0x69,0x66,0x6f,0x72,0x6d,0x20,0x76,0x65,0x63,0x34,0x20,0x76,0x73,0x5f,0x70,0x61, + 0x72,0x61,0x6d,0x73,0x5b,0x38,0x5d,0x3b,0x0a,0x6c,0x61,0x79,0x6f,0x75,0x74,0x28, + 0x6c,0x6f,0x63,0x61,0x74,0x69,0x6f,0x6e,0x20,0x3d,0x20,0x30,0x29,0x20,0x69,0x6e, + 0x20,0x76,0x65,0x63,0x34,0x20,0x70,0x6f,0x73,0x69,0x74,0x69,0x6f,0x6e,0x3b,0x0a, + 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0x5d,0x29,0x20,0x2a,0x20,0x76,0x65,0x63,0x34,0x28,0x74,0x65,0x78,0x63,0x6f,0x6f, + 0x72,0x64,0x30,0x2c,0x20,0x30,0x2e,0x30,0x2c,0x20,0x31,0x2e,0x30,0x29,0x3b,0x0a, + 0x20,0x20,0x20,0x20,0x63,0x6f,0x6c,0x6f,0x72,0x20,0x3d,0x20,0x63,0x6f,0x6c,0x6f, + 0x72,0x30,0x3b,0x0a,0x7d,0x0a,0x0a,0x00, +}; +/* + #version 410 + + uniform sampler2D tex_smp; + + layout(location = 0) out vec4 frag_color; + layout(location = 0) in vec4 uv; + layout(location = 1) in vec4 color; + + void main() + { + frag_color = texture(tex_smp, uv.xy) * color; + } +*/ +static const uint8_t _sgl_fs_source_glsl410[222] = { + 0x23,0x76,0x65,0x72,0x73,0x69,0x6f,0x6e,0x20,0x34,0x31,0x30,0x0a,0x0a,0x75,0x6e, + 0x69,0x66,0x6f,0x72,0x6d,0x20,0x73,0x61,0x6d,0x70,0x6c,0x65,0x72,0x32,0x44,0x20, + 0x74,0x65,0x78,0x5f,0x73,0x6d,0x70,0x3b,0x0a,0x0a,0x6c,0x61,0x79,0x6f,0x75,0x74, + 0x28,0x6c,0x6f,0x63,0x61,0x74,0x69,0x6f,0x6e,0x20,0x3d,0x20,0x30,0x29,0x20,0x6f, + 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layout(location = 1) in vec2 texcoord0; + out vec4 color; + layout(location = 2) in vec4 color0; + + void main() + { + gl_Position = mat4(vs_params[0], vs_params[1], vs_params[2], vs_params[3]) * position; + gl_PointSize = psize; + uv = mat4(vs_params[4], vs_params[5], vs_params[6], vs_params[7]) * vec4(texcoord0, 0.0, 1.0); + color = color0; + } +*/ +static const uint8_t _sgl_vs_source_glsl300es[481] = { + 0x23,0x76,0x65,0x72,0x73,0x69,0x6f,0x6e,0x20,0x33,0x30,0x30,0x20,0x65,0x73,0x0a, + 0x0a,0x75,0x6e,0x69,0x66,0x6f,0x72,0x6d,0x20,0x76,0x65,0x63,0x34,0x20,0x76,0x73, + 0x5f,0x70,0x61,0x72,0x61,0x6d,0x73,0x5b,0x38,0x5d,0x3b,0x0a,0x6c,0x61,0x79,0x6f, + 0x75,0x74,0x28,0x6c,0x6f,0x63,0x61,0x74,0x69,0x6f,0x6e,0x20,0x3d,0x20,0x30,0x29, + 0x20,0x69,0x6e,0x20,0x76,0x65,0x63,0x34,0x20,0x70,0x6f,0x73,0x69,0x74,0x69,0x6f, + 0x6e,0x3b,0x0a,0x6c,0x61,0x79,0x6f,0x75,0x74,0x28,0x6c,0x6f,0x63,0x61,0x74,0x69, + 0x6f,0x6e,0x20,0x3d,0x20,0x33,0x29,0x20,0x69,0x6e,0x20,0x66,0x6c,0x6f,0x61,0x74, + 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uniform highp sampler2D tex_smp; + + layout(location = 0) out highp vec4 frag_color; + in highp vec4 uv; + in highp vec4 color; + + void main() + { + frag_color = texture(tex_smp, uv.xy) * color; + } +*/ +static const uint8_t _sgl_fs_source_glsl300es[253] = { + 0x23,0x76,0x65,0x72,0x73,0x69,0x6f,0x6e,0x20,0x33,0x30,0x30,0x20,0x65,0x73,0x0a, + 0x70,0x72,0x65,0x63,0x69,0x73,0x69,0x6f,0x6e,0x20,0x6d,0x65,0x64,0x69,0x75,0x6d, + 0x70,0x20,0x66,0x6c,0x6f,0x61,0x74,0x3b,0x0a,0x70,0x72,0x65,0x63,0x69,0x73,0x69, + 0x6f,0x6e,0x20,0x68,0x69,0x67,0x68,0x70,0x20,0x69,0x6e,0x74,0x3b,0x0a,0x0a,0x75, + 0x6e,0x69,0x66,0x6f,0x72,0x6d,0x20,0x68,0x69,0x67,0x68,0x70,0x20,0x73,0x61,0x6d, + 0x70,0x6c,0x65,0x72,0x32,0x44,0x20,0x74,0x65,0x78,0x5f,0x73,0x6d,0x70,0x3b,0x0a, + 0x0a,0x6c,0x61,0x79,0x6f,0x75,0x74,0x28,0x6c,0x6f,0x63,0x61,0x74,0x69,0x6f,0x6e, + 0x20,0x3d,0x20,0x30,0x29,0x20,0x6f,0x75,0x74,0x20,0x68,0x69,0x67,0x68,0x70,0x20, + 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main0_in + { + float4 position [[attribute(0)]]; + float2 texcoord0 [[attribute(1)]]; + float4 color0 [[attribute(2)]]; + float psize [[attribute(3)]]; + }; + + vertex main0_out main0(main0_in in [[stage_in]], constant vs_params& _19 [[buffer(0)]]) + { + main0_out out = {}; + out.gl_Position = _19.mvp * in.position; + out.gl_PointSize = in.psize; + out.uv = _19.tm * float4(in.texcoord0, 0.0, 1.0); + out.color = in.color0; + return out; + } +*/ +static const uint8_t _sgl_vs_bytecode_metal_macos[3381] = { + 0x4d,0x54,0x4c,0x42,0x01,0x80,0x02,0x00,0x02,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x35,0x0d,0x00,0x00,0x00,0x00,0x00,0x00,0x58,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x6d,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xc9,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x44,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0d,0x01,0x00,0x00,0x00,0x00,0x00,0x00, + 0x08,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x15,0x01,0x00,0x00,0x00,0x00,0x00,0x00, + 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0xcb,0xf0,0x04,0xa0,0xb0,0x65,0xa0,0x02,0x50,0xd8,0x32,0x60,0x01,0x28,0x6c,0x19, + 0xba,0x00,0x14,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00,0x00, +}; +/* + #include <metal_stdlib> + #include <simd/simd.h> + + using namespace metal; + + struct main0_out + { + float4 frag_color [[color(0)]]; + }; + + struct main0_in + { + float4 uv [[user(locn0)]]; + float4 color [[user(locn1)]]; + }; + + fragment main0_out main0(main0_in in [[stage_in]], texture2d<float> tex [[texture(0)]], sampler smp [[sampler(0)]]) + { + main0_out out = {}; + out.frag_color = tex.sample(smp, in.uv.xy) * in.color; + return out; + } +*/ +static const uint8_t _sgl_fs_bytecode_metal_macos[3033] = { + 0x4d,0x54,0x4c,0x42,0x01,0x80,0x02,0x00,0x02,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0xd9,0x0b,0x00,0x00,0x00,0x00,0x00,0x00,0x58,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x6d,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xc9,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 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0x0d,0x0d,0x00,0x00,0x00,0x61,0x20,0x00,0x00,0x14,0x00,0x00,0x00,0x13,0x04,0x41, + 0x2c,0x10,0x00,0x00,0x00,0x06,0x00,0x00,0x00,0xc4,0x46,0x00,0xc6,0x12,0x80,0x80, + 0xd4,0x08,0x40,0x0d,0x90,0x98,0x01,0xa0,0x30,0x03,0x40,0x60,0x04,0x00,0x00,0x00, + 0x00,0x83,0x0c,0x8b,0x60,0x8c,0x18,0x28,0x43,0x40,0x29,0x49,0x50,0x20,0x86,0x60, + 0x01,0x23,0x9f,0xd9,0x06,0x23,0x00,0x32,0x08,0x88,0x01,0x00,0x00,0x02,0x00,0x00, + 0x00,0x5b,0x86,0xe0,0x88,0x03,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, +}; +/* + #include <metal_stdlib> + #include <simd/simd.h> + + using namespace metal; + + struct vs_params + { + float4x4 mvp; + float4x4 tm; + }; + + struct main0_out + { + float4 uv [[user(locn0)]]; + float4 color [[user(locn1)]]; + float4 gl_Position [[position]]; + float gl_PointSize [[point_size]]; + }; + + struct main0_in + { + float4 position [[attribute(0)]]; + float2 texcoord0 [[attribute(1)]]; + float4 color0 [[attribute(2)]]; + float psize [[attribute(3)]]; + }; + + vertex main0_out main0(main0_in in [[stage_in]], constant vs_params& _19 [[buffer(0)]]) + { + main0_out out = {}; + out.gl_Position = _19.mvp * in.position; + out.gl_PointSize = in.psize; + out.uv = _19.tm * float4(in.texcoord0, 0.0, 1.0); + out.color = in.color0; + return out; + } +*/ +static const uint8_t _sgl_vs_bytecode_metal_ios[3493] = { + 0x4d,0x54,0x4c,0x42,0x01,0x00,0x02,0x00,0x02,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0xa5,0x0d,0x00,0x00,0x00,0x00,0x00,0x00,0x58,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x6d,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xc9,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x44,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0d,0x01,0x00,0x00,0x00,0x00,0x00,0x00, + 0x08,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x15,0x01,0x00,0x00,0x00,0x00,0x00,0x00, + 0x90,0x0c,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x6d,0x00,0x00,0x00, + 0x4e,0x41,0x4d,0x45,0x06,0x00,0x6d,0x61,0x69,0x6e,0x30,0x00,0x54,0x59,0x50,0x45, + 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0xa0,0x80,0xcf,0x78,0x05,0x1a,0xb8,0xc1,0x1d,0xd8,0x81,0x18,0x50,0x50,0x6c,0x08, + 0xe0,0x33,0xdb,0x20,0x06,0x01,0x30,0xdb,0x10,0xb8,0x41,0x30,0xdb,0x10,0x3c,0xc2, + 0x6c,0x43,0xf0,0x06,0x43,0x06,0x01,0x31,0x00,0x0d,0x00,0x00,0x00,0x5b,0x8a,0x20, + 0x00,0x85,0xa3,0x14,0xb6,0x14,0x45,0x00,0x0a,0x47,0x29,0x6c,0x29,0x94,0x00,0x14, + 0x8e,0x52,0xd8,0x52,0x3c,0x01,0x28,0x1c,0xa5,0xb0,0xa5,0xa0,0x02,0x50,0x38,0x4a, + 0x61,0x4b,0x81,0x05,0xa0,0x70,0x94,0xc2,0x96,0xa2,0x0b,0x40,0xe1,0x28,0x05,0x00, + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00,0x00, +}; +/* + #include <metal_stdlib> + #include <simd/simd.h> + + using namespace metal; + + struct main0_out + { + float4 frag_color [[color(0)]]; + }; + + struct main0_in + { + float4 uv [[user(locn0)]]; + float4 color [[user(locn1)]]; + }; + + fragment main0_out main0(main0_in in [[stage_in]], texture2d<float> tex [[texture(0)]], sampler smp [[sampler(0)]]) + { + main0_out out = {}; + out.frag_color = tex.sample(smp, in.uv.xy) * in.color; + return out; + } +*/ +static const uint8_t _sgl_fs_bytecode_metal_ios[3017] = { + 0x4d,0x54,0x4c,0x42,0x01,0x00,0x02,0x00,0x02,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0xc9,0x0b,0x00,0x00,0x00,0x00,0x00,0x00,0x58,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x6d,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xc9,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x08,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xd1,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x08,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xd9,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0xf0,0x0a,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x6d,0x00,0x00,0x00, + 0x4e,0x41,0x4d,0x45,0x06,0x00,0x6d,0x61,0x69,0x6e,0x30,0x00,0x54,0x59,0x50,0x45, + 0x01,0x00,0x01,0x48,0x41,0x53,0x48,0x20,0x00,0x40,0xd6,0xeb,0xe8,0x54,0x51,0x57, + 0x09,0x04,0x8e,0xcb,0x4c,0x44,0x2c,0x92,0x69,0x71,0x54,0xbd,0xb6,0xe0,0x7e,0x6b, + 0x97,0x01,0x63,0xb9,0x24,0x88,0x76,0x15,0x8c,0x4f,0x46,0x46,0x54,0x18,0x00,0x00, + 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mvp; + float4x4 tm; + }; + + struct main0_out + { + float4 uv [[user(locn0)]]; + float4 color [[user(locn1)]]; + float4 gl_Position [[position]]; + float gl_PointSize [[point_size]]; + }; + + struct main0_in + { + float4 position [[attribute(0)]]; + float2 texcoord0 [[attribute(1)]]; + float4 color0 [[attribute(2)]]; + float psize [[attribute(3)]]; + }; + + vertex main0_out main0(main0_in in [[stage_in]], constant vs_params& _19 [[buffer(0)]]) + { + main0_out out = {}; + out.gl_Position = _19.mvp * in.position; + out.gl_PointSize = in.psize; + out.uv = _19.tm * float4(in.texcoord0, 0.0, 1.0); + out.color = in.color0; + return out; + } +*/ +static const uint8_t _sgl_vs_source_metal_sim[756] = { + 0x23,0x69,0x6e,0x63,0x6c,0x75,0x64,0x65,0x20,0x3c,0x6d,0x65,0x74,0x61,0x6c,0x5f, + 0x73,0x74,0x64,0x6c,0x69,0x62,0x3e,0x0a,0x23,0x69,0x6e,0x63,0x6c,0x75,0x64,0x65, + 0x20,0x3c,0x73,0x69,0x6d,0x64,0x2f,0x73,0x69,0x6d,0x64,0x2e,0x68,0x3e,0x0a,0x0a, + 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[[texture(0)]], sampler smp [[sampler(0)]]) + { + main0_out out = {}; + out.frag_color = tex.sample(smp, in.uv.xy) * in.color; + return out; + } +*/ +static const uint8_t _sgl_fs_source_metal_sim[439] = { + 0x23,0x69,0x6e,0x63,0x6c,0x75,0x64,0x65,0x20,0x3c,0x6d,0x65,0x74,0x61,0x6c,0x5f, + 0x73,0x74,0x64,0x6c,0x69,0x62,0x3e,0x0a,0x23,0x69,0x6e,0x63,0x6c,0x75,0x64,0x65, + 0x20,0x3c,0x73,0x69,0x6d,0x64,0x2f,0x73,0x69,0x6d,0x64,0x2e,0x68,0x3e,0x0a,0x0a, + 0x75,0x73,0x69,0x6e,0x67,0x20,0x6e,0x61,0x6d,0x65,0x73,0x70,0x61,0x63,0x65,0x20, + 0x6d,0x65,0x74,0x61,0x6c,0x3b,0x0a,0x0a,0x73,0x74,0x72,0x75,0x63,0x74,0x20,0x6d, + 0x61,0x69,0x6e,0x30,0x5f,0x6f,0x75,0x74,0x0a,0x7b,0x0a,0x20,0x20,0x20,0x20,0x66, + 0x6c,0x6f,0x61,0x74,0x34,0x20,0x66,0x72,0x61,0x67,0x5f,0x63,0x6f,0x6c,0x6f,0x72, + 0x20,0x5b,0x5b,0x63,0x6f,0x6c,0x6f,0x72,0x28,0x30,0x29,0x5d,0x5d,0x3b,0x0a,0x7d, + 0x3b,0x0a,0x0a,0x73,0x74,0x72,0x75,0x63,0x74,0x20,0x6d,0x61,0x69,0x6e,0x30,0x5f, + 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TEXCOORD1; + float4 color0 : TEXCOORD2; + float psize : TEXCOORD3; + }; + + struct SPIRV_Cross_Output + { + float4 uv : TEXCOORD0; + float4 color : TEXCOORD1; + float4 gl_Position : SV_Position; + }; + + void vert_main() + { + gl_Position = mul(position, _19_mvp); + gl_PointSize = psize; + uv = mul(float4(texcoord0, 0.0f, 1.0f), _19_tm); + color = color0; + } + + SPIRV_Cross_Output main(SPIRV_Cross_Input stage_input) + { + position = stage_input.position; + psize = stage_input.psize; + texcoord0 = stage_input.texcoord0; + color0 = stage_input.color0; + vert_main(); + SPIRV_Cross_Output stage_output; + stage_output.gl_Position = gl_Position; + stage_output.uv = uv; + stage_output.color = color; + return stage_output; + } +*/ +static const uint8_t _sgl_vs_bytecode_hlsl4[1032] = { + 0x44,0x58,0x42,0x43,0x74,0x7f,0x01,0xd9,0xf4,0xd5,0xed,0x1d,0x74,0xc1,0x30,0x27, + 0xd8,0xe9,0x9d,0x50,0x01,0x00,0x00,0x00,0x08,0x04,0x00,0x00,0x05,0x00,0x00,0x00, + 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0x50,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00,0x0f,0x00,0x00,0x00,0x50,0x00,0x00,0x00,0x01,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00,0x03,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x0f,0x00,0x00,0x00, + 0x59,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x03,0x00,0x00,0x00, + 0x02,0x00,0x00,0x00,0x0f,0x00,0x00,0x00,0x54,0x45,0x58,0x43,0x4f,0x4f,0x52,0x44, + 0x00,0x53,0x56,0x5f,0x50,0x6f,0x73,0x69,0x74,0x69,0x6f,0x6e,0x00,0xab,0xab,0xab, + 0x53,0x48,0x44,0x52,0x84,0x01,0x00,0x00,0x40,0x00,0x01,0x00,0x61,0x00,0x00,0x00, + 0x59,0x00,0x00,0x04,0x46,0x8e,0x20,0x00,0x00,0x00,0x00,0x00,0x08,0x00,0x00,0x00, + 0x5f,0x00,0x00,0x03,0xf2,0x10,0x10,0x00,0x00,0x00,0x00,0x00,0x5f,0x00,0x00,0x03, + 0x32,0x10,0x10,0x00,0x01,0x00,0x00,0x00,0x5f,0x00,0x00,0x03,0xf2,0x10,0x10,0x00, + 0x02,0x00,0x00,0x00,0x65,0x00,0x00,0x03,0xf2,0x20,0x10,0x00,0x00,0x00,0x00,0x00, + 0x65,0x00,0x00,0x03,0xf2,0x20,0x10,0x00,0x01,0x00,0x00,0x00,0x67,0x00,0x00,0x04, + 0xf2,0x20,0x10,0x00,0x02,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x68,0x00,0x00,0x02, + 0x01,0x00,0x00,0x00,0x38,0x00,0x00,0x08,0xf2,0x00,0x10,0x00,0x00,0x00,0x00,0x00, + 0x56,0x15,0x10,0x00,0x01,0x00,0x00,0x00,0x46,0x8e,0x20,0x00,0x00,0x00,0x00,0x00, + 0x05,0x00,0x00,0x00,0x32,0x00,0x00,0x0a,0xf2,0x00,0x10,0x00,0x00,0x00,0x00,0x00, + 0x06,0x10,0x10,0x00,0x01,0x00,0x00,0x00,0x46,0x8e,0x20,0x00,0x00,0x00,0x00,0x00, + 0x04,0x00,0x00,0x00,0x46,0x0e,0x10,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x08, + 0xf2,0x20,0x10,0x00,0x00,0x00,0x00,0x00,0x46,0x0e,0x10,0x00,0x00,0x00,0x00,0x00, + 0x46,0x8e,0x20,0x00,0x00,0x00,0x00,0x00,0x07,0x00,0x00,0x00,0x36,0x00,0x00,0x05, + 0xf2,0x20,0x10,0x00,0x01,0x00,0x00,0x00,0x46,0x1e,0x10,0x00,0x02,0x00,0x00,0x00, + 0x38,0x00,0x00,0x08,0xf2,0x00,0x10,0x00,0x00,0x00,0x00,0x00,0x56,0x15,0x10,0x00, + 0x00,0x00,0x00,0x00,0x46,0x8e,0x20,0x00,0x00,0x00,0x00,0x00,0x01,0x00,0x00,0x00, + 0x32,0x00,0x00,0x0a,0xf2,0x00,0x10,0x00,0x00,0x00,0x00,0x00,0x06,0x10,0x10,0x00, + 0x00,0x00,0x00,0x00,0x46,0x8e,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x46,0x0e,0x10,0x00,0x00,0x00,0x00,0x00,0x32,0x00,0x00,0x0a,0xf2,0x00,0x10,0x00, + 0x00,0x00,0x00,0x00,0xa6,0x1a,0x10,0x00,0x00,0x00,0x00,0x00,0x46,0x8e,0x20,0x00, + 0x00,0x00,0x00,0x00,0x02,0x00,0x00,0x00,0x46,0x0e,0x10,0x00,0x00,0x00,0x00,0x00, + 0x32,0x00,0x00,0x0a,0xf2,0x20,0x10,0x00,0x02,0x00,0x00,0x00,0xf6,0x1f,0x10,0x00, + 0x00,0x00,0x00,0x00,0x46,0x8e,0x20,0x00,0x00,0x00,0x00,0x00,0x03,0x00,0x00,0x00, + 0x46,0x0e,0x10,0x00,0x00,0x00,0x00,0x00,0x3e,0x00,0x00,0x01,0x53,0x54,0x41,0x54, + 0x74,0x00,0x00,0x00,0x09,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x06,0x00,0x00,0x00,0x07,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, +}; +/* + Texture2D<float4> tex : register(t0); + SamplerState smp : register(s0); + + static float4 frag_color; + static float4 uv; + static float4 color; + + struct SPIRV_Cross_Input + { + float4 uv : TEXCOORD0; + float4 color : TEXCOORD1; + }; + + struct SPIRV_Cross_Output + { + float4 frag_color : SV_Target0; + }; + + void frag_main() + { + frag_color = tex.Sample(smp, uv.xy) * color; + } + + SPIRV_Cross_Output main(SPIRV_Cross_Input stage_input) + { + uv = stage_input.uv; + color = stage_input.color; + frag_main(); + SPIRV_Cross_Output stage_output; + stage_output.frag_color = frag_color; + return stage_output; + } +*/ +static const uint8_t _sgl_fs_bytecode_hlsl4[608] = { + 0x44,0x58,0x42,0x43,0xc8,0x9b,0x66,0x64,0x80,0x2f,0xbe,0x14,0xd9,0x88,0xa0,0x97, + 0x64,0x14,0x66,0xff,0x01,0x00,0x00,0x00,0x60,0x02,0x00,0x00,0x05,0x00,0x00,0x00, + 0x34,0x00,0x00,0x00,0xc8,0x00,0x00,0x00,0x14,0x01,0x00,0x00,0x48,0x01,0x00,0x00, + 0xe4,0x01,0x00,0x00,0x52,0x44,0x45,0x46,0x8c,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00,0x02,0x00,0x00,0x00,0x1c,0x00,0x00,0x00,0x00,0x04,0xff,0xff, + 0x10,0x81,0x00,0x00,0x64,0x00,0x00,0x00,0x5c,0x00,0x00,0x00,0x03,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x01,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x60,0x00,0x00,0x00,0x02,0x00,0x00,0x00, + 0x05,0x00,0x00,0x00,0x04,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00, + 0x01,0x00,0x00,0x00,0x0d,0x00,0x00,0x00,0x73,0x6d,0x70,0x00,0x74,0x65,0x78,0x00, + 0x4d,0x69,0x63,0x72,0x6f,0x73,0x6f,0x66,0x74,0x20,0x28,0x52,0x29,0x20,0x48,0x4c, + 0x53,0x4c,0x20,0x53,0x68,0x61,0x64,0x65,0x72,0x20,0x43,0x6f,0x6d,0x70,0x69,0x6c, + 0x65,0x72,0x20,0x31,0x30,0x2e,0x31,0x00,0x49,0x53,0x47,0x4e,0x44,0x00,0x00,0x00, + 0x02,0x00,0x00,0x00,0x08,0x00,0x00,0x00,0x38,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00,0x03,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0f,0x03,0x00,0x00, + 0x38,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0x00,0x00,0x00, + 0x01,0x00,0x00,0x00,0x0f,0x0f,0x00,0x00,0x54,0x45,0x58,0x43,0x4f,0x4f,0x52,0x44, + 0x00,0xab,0xab,0xab,0x4f,0x53,0x47,0x4e,0x2c,0x00,0x00,0x00,0x01,0x00,0x00,0x00, + 0x08,0x00,0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x03,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0f,0x00,0x00,0x00,0x53,0x56,0x5f,0x54, + 0x61,0x72,0x67,0x65,0x74,0x00,0xab,0xab,0x53,0x48,0x44,0x52,0x94,0x00,0x00,0x00, + 0x40,0x00,0x00,0x00,0x25,0x00,0x00,0x00,0x5a,0x00,0x00,0x03,0x00,0x60,0x10,0x00, + 0x00,0x00,0x00,0x00,0x58,0x18,0x00,0x04,0x00,0x70,0x10,0x00,0x00,0x00,0x00,0x00, + 0x55,0x55,0x00,0x00,0x62,0x10,0x00,0x03,0x32,0x10,0x10,0x00,0x00,0x00,0x00,0x00, + 0x62,0x10,0x00,0x03,0xf2,0x10,0x10,0x00,0x01,0x00,0x00,0x00,0x65,0x00,0x00,0x03, + 0xf2,0x20,0x10,0x00,0x00,0x00,0x00,0x00,0x68,0x00,0x00,0x02,0x01,0x00,0x00,0x00, + 0x45,0x00,0x00,0x09,0xf2,0x00,0x10,0x00,0x00,0x00,0x00,0x00,0x46,0x10,0x10,0x00, + 0x00,0x00,0x00,0x00,0x46,0x7e,0x10,0x00,0x00,0x00,0x00,0x00,0x00,0x60,0x10,0x00, + 0x00,0x00,0x00,0x00,0x38,0x00,0x00,0x07,0xf2,0x20,0x10,0x00,0x00,0x00,0x00,0x00, + 0x46,0x0e,0x10,0x00,0x00,0x00,0x00,0x00,0x46,0x1e,0x10,0x00,0x01,0x00,0x00,0x00, + 0x3e,0x00,0x00,0x01,0x53,0x54,0x41,0x54,0x74,0x00,0x00,0x00,0x03,0x00,0x00,0x00, + 0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0x00,0x00,0x00,0x01,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, +}; +#elif defined(SOKOL_WGPU) +/* + diagnostic(off, derivative_uniformity); + + struct vs_params { + /_ @offset(0) _/ + mvp : mat4x4f, + /_ @offset(64) _/ + tm : mat4x4f, + } + + @group(0) @binding(0) var<uniform> x_19 : vs_params; + + var<private> position_1 : vec4f; + + var<private> uv : vec4f; + + var<private> texcoord0 : vec2f; + + var<private> color : vec4f; + + var<private> color0 : vec4f; + + var<private> psize : f32; + + var<private> gl_Position : vec4f; + + fn main_1() { + let x_22 : mat4x4f = x_19.mvp; + let x_25 : vec4f = position_1; + gl_Position = (x_22 * x_25); + let x_32 : mat4x4f = x_19.tm; + let x_36 : vec2f = texcoord0; + uv = (x_32 * vec4f(x_36.x, x_36.y, 0.0f, 1.0f)); + let x_45 : vec4f = color0; + color = x_45; + return; + } + + struct main_out { + @builtin(position) + gl_Position : vec4f, + @location(0) + uv_1 : vec4f, + @location(1) + color_1 : vec4f, + } + + @vertex + fn main(@location(0) position_1_param : vec4f, @location(1) texcoord0_param : vec2f, @location(2) color0_param : vec4f, @location(3) psize_param : f32) -> main_out { + position_1 = position_1_param; + texcoord0 = texcoord0_param; + color0 = color0_param; + psize = psize_param; + main_1(); + return main_out(gl_Position, uv, color); + } +*/ +static const uint8_t _sgl_vs_source_wgsl[1162] = { + 0x64,0x69,0x61,0x67,0x6e,0x6f,0x73,0x74,0x69,0x63,0x28,0x6f,0x66,0x66,0x2c,0x20, + 0x64,0x65,0x72,0x69,0x76,0x61,0x74,0x69,0x76,0x65,0x5f,0x75,0x6e,0x69,0x66,0x6f, + 0x72,0x6d,0x69,0x74,0x79,0x29,0x3b,0x0a,0x0a,0x73,0x74,0x72,0x75,0x63,0x74,0x20, + 0x76,0x73,0x5f,0x70,0x61,0x72,0x61,0x6d,0x73,0x20,0x7b,0x0a,0x20,0x20,0x2f,0x2a, + 0x20,0x40,0x6f,0x66,0x66,0x73,0x65,0x74,0x28,0x30,0x29,0x20,0x2a,0x2f,0x0a,0x20, + 0x20,0x6d,0x76,0x70,0x20,0x3a,0x20,0x6d,0x61,0x74,0x34,0x78,0x34,0x66,0x2c,0x0a, + 0x20,0x20,0x2f,0x2a,0x20,0x40,0x6f,0x66,0x66,0x73,0x65,0x74,0x28,0x36,0x34,0x29, + 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uv_param : vec4f, @location(1) color_param : vec4f) -> main_out { + uv = uv_param; + color = color_param; + main_1(); + return main_out(frag_color); + } +*/ +static const uint8_t _sgl_fs_source_wgsl[647] = { + 0x64,0x69,0x61,0x67,0x6e,0x6f,0x73,0x74,0x69,0x63,0x28,0x6f,0x66,0x66,0x2c,0x20, + 0x64,0x65,0x72,0x69,0x76,0x61,0x74,0x69,0x76,0x65,0x5f,0x75,0x6e,0x69,0x66,0x6f, + 0x72,0x6d,0x69,0x74,0x79,0x29,0x3b,0x0a,0x0a,0x76,0x61,0x72,0x3c,0x70,0x72,0x69, + 0x76,0x61,0x74,0x65,0x3e,0x20,0x66,0x72,0x61,0x67,0x5f,0x63,0x6f,0x6c,0x6f,0x72, + 0x20,0x3a,0x20,0x76,0x65,0x63,0x34,0x66,0x3b,0x0a,0x0a,0x40,0x67,0x72,0x6f,0x75, + 0x70,0x28,0x31,0x29,0x20,0x40,0x62,0x69,0x6e,0x64,0x69,0x6e,0x67,0x28,0x36,0x34, + 0x29,0x20,0x76,0x61,0x72,0x20,0x74,0x65,0x78,0x20,0x3a,0x20,0x74,0x65,0x78,0x74, + 0x75,0x72,0x65,0x5f,0x32,0x64,0x3c,0x66,0x33,0x32,0x3e,0x3b,0x0a,0x0a,0x40,0x67, + 0x72,0x6f,0x75,0x70,0x28,0x31,0x29,0x20,0x40,0x62,0x69,0x6e,0x64,0x69,0x6e,0x67, + 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0x74,0x20,0x78,0x5f,0x32,0x37,0x20,0x3a,0x20,0x76,0x65,0x63,0x34,0x66,0x20,0x3d, + 0x20,0x63,0x6f,0x6c,0x6f,0x72,0x3b,0x0a,0x20,0x20,0x66,0x72,0x61,0x67,0x5f,0x63, + 0x6f,0x6c,0x6f,0x72,0x20,0x3d,0x20,0x28,0x78,0x5f,0x32,0x35,0x20,0x2a,0x20,0x78, + 0x5f,0x32,0x37,0x29,0x3b,0x0a,0x20,0x20,0x72,0x65,0x74,0x75,0x72,0x6e,0x3b,0x0a, + 0x7d,0x0a,0x0a,0x73,0x74,0x72,0x75,0x63,0x74,0x20,0x6d,0x61,0x69,0x6e,0x5f,0x6f, + 0x75,0x74,0x20,0x7b,0x0a,0x20,0x20,0x40,0x6c,0x6f,0x63,0x61,0x74,0x69,0x6f,0x6e, + 0x28,0x30,0x29,0x0a,0x20,0x20,0x66,0x72,0x61,0x67,0x5f,0x63,0x6f,0x6c,0x6f,0x72, + 0x5f,0x31,0x20,0x3a,0x20,0x76,0x65,0x63,0x34,0x66,0x2c,0x0a,0x7d,0x0a,0x0a,0x40, + 0x66,0x72,0x61,0x67,0x6d,0x65,0x6e,0x74,0x0a,0x66,0x6e,0x20,0x6d,0x61,0x69,0x6e, + 0x28,0x40,0x6c,0x6f,0x63,0x61,0x74,0x69,0x6f,0x6e,0x28,0x30,0x29,0x20,0x75,0x76, + 0x5f,0x70,0x61,0x72,0x61,0x6d,0x20,0x3a,0x20,0x76,0x65,0x63,0x34,0x66,0x2c,0x20, + 0x40,0x6c,0x6f,0x63,0x61,0x74,0x69,0x6f,0x6e,0x28,0x31,0x29,0x20,0x63,0x6f,0x6c, + 0x6f,0x72,0x5f,0x70,0x61,0x72,0x61,0x6d,0x20,0x3a,0x20,0x76,0x65,0x63,0x34,0x66, + 0x29,0x20,0x2d,0x3e,0x20,0x6d,0x61,0x69,0x6e,0x5f,0x6f,0x75,0x74,0x20,0x7b,0x0a, + 0x20,0x20,0x75,0x76,0x20,0x3d,0x20,0x75,0x76,0x5f,0x70,0x61,0x72,0x61,0x6d,0x3b, + 0x0a,0x20,0x20,0x63,0x6f,0x6c,0x6f,0x72,0x20,0x3d,0x20,0x63,0x6f,0x6c,0x6f,0x72, + 0x5f,0x70,0x61,0x72,0x61,0x6d,0x3b,0x0a,0x20,0x20,0x6d,0x61,0x69,0x6e,0x5f,0x31, + 0x28,0x29,0x3b,0x0a,0x20,0x20,0x72,0x65,0x74,0x75,0x72,0x6e,0x20,0x6d,0x61,0x69, + 0x6e,0x5f,0x6f,0x75,0x74,0x28,0x66,0x72,0x61,0x67,0x5f,0x63,0x6f,0x6c,0x6f,0x72, + 0x29,0x3b,0x0a,0x7d,0x0a,0x0a,0x00, +}; +#elif defined(SOKOL_DUMMY_BACKEND) +static const char* _sgl_vs_source_dummy = ""; +static const char* _sgl_fs_source_dummy = ""; +#else +#error "Please define one of SOKOL_GLCORE, SOKOL_GLES3, SOKOL_D3D11, SOKOL_METAL, SOKOL_WGPU or SOKOL_DUMMY_BACKEND!" +#endif + +// ████████ ██ ██ ██████ ███████ ███████ +// ██ ██ ██ ██ ██ ██ ██ +// ██ ████ ██████ █████ ███████ +// ██ ██ ██ ██ ██ +// ██ ██ ██ ███████ ███████ +// +// >>types +typedef enum { + SGL_PRIMITIVETYPE_POINTS = 0, + SGL_PRIMITIVETYPE_LINES, + SGL_PRIMITIVETYPE_LINE_STRIP, + SGL_PRIMITIVETYPE_TRIANGLES, + SGL_PRIMITIVETYPE_TRIANGLE_STRIP, + SGL_PRIMITIVETYPE_QUADS, + SGL_NUM_PRIMITIVE_TYPES, +} _sgl_primitive_type_t; + +typedef struct { + uint32_t id; + sg_resource_state state; +} _sgl_slot_t; + +typedef struct { + int size; + int queue_top; + uint32_t* gen_ctrs; + int* free_queue; +} _sgl_pool_t; + +typedef struct { + _sgl_slot_t slot; + sg_pipeline pip[SGL_NUM_PRIMITIVE_TYPES]; +} _sgl_pipeline_t; + +typedef struct { + _sgl_pool_t pool; + _sgl_pipeline_t* pips; +} _sgl_pipeline_pool_t; + +typedef enum { + SGL_MATRIXMODE_MODELVIEW, + SGL_MATRIXMODE_PROJECTION, + SGL_MATRIXMODE_TEXTURE, + SGL_NUM_MATRIXMODES +} _sgl_matrix_mode_t; + +typedef struct { + float pos[3]; + float uv[2]; + uint32_t rgba; + float psize; +} _sgl_vertex_t; + +typedef struct { + float v[4][4]; +} _sgl_matrix_t; + +typedef struct { + _sgl_matrix_t mvp; /* model-view-projection matrix */ + _sgl_matrix_t tm; /* texture matrix */ +} _sgl_uniform_t; + +typedef enum { + SGL_COMMAND_DRAW, + SGL_COMMAND_VIEWPORT, + SGL_COMMAND_SCISSOR_RECT, +} _sgl_command_type_t; + +typedef struct { + sg_pipeline pip; + sg_view view; + sg_sampler smp; + int base_vertex; + int num_vertices; + int uniform_index; +} _sgl_draw_args_t; + +typedef struct { + int x, y, w, h; + bool origin_top_left; +} _sgl_viewport_args_t; + +typedef struct { + int x, y, w, h; + bool origin_top_left; +} _sgl_scissor_rect_args_t; + +typedef union { + _sgl_draw_args_t draw; + _sgl_viewport_args_t viewport; + _sgl_scissor_rect_args_t scissor_rect; +} _sgl_args_t; + +typedef struct { + _sgl_command_type_t cmd; + int layer_id; + _sgl_args_t args; +} _sgl_command_t; + +#define _SGL_INVALID_SLOT_INDEX (0) +#define _SGL_MAX_STACK_DEPTH (64) +#define _SGL_DEFAULT_CONTEXT_POOL_SIZE (4) +#define _SGL_DEFAULT_PIPELINE_POOL_SIZE (64) +#define _SGL_DEFAULT_MAX_VERTICES (1<<16) +#define _SGL_DEFAULT_MAX_COMMANDS (1<<14) +#define _SGL_SLOT_SHIFT (16) +#define _SGL_MAX_POOL_SIZE (1<<_SGL_SLOT_SHIFT) +#define _SGL_SLOT_MASK (_SGL_MAX_POOL_SIZE-1) + +typedef struct { + _sgl_slot_t slot; + sgl_context_desc_t desc; + uint32_t frame_id; + uint32_t update_frame_id; + struct { + int cap; + int next; + _sgl_vertex_t* ptr; + } vertices; + struct { + int cap; + int next; + _sgl_uniform_t* ptr; + } uniforms; + struct { + int cap; + int next; + _sgl_command_t* ptr; + } commands; + + /* state tracking */ + int base_vertex; + int quad_vtx_count; /* number of times vtx function has been called, used for non-triangle primitives */ + sgl_error_t error; + bool in_begin; + int layer_id; + float u, v; + uint32_t rgba; + float point_size; + _sgl_primitive_type_t cur_prim_type; + sg_view cur_view; + sg_sampler cur_smp; + bool texturing_enabled; + bool matrix_dirty; /* reset in sgl_end(), set in any of the matrix stack functions */ + + /* sokol-gfx resources */ + sg_buffer vbuf; + sgl_pipeline def_pip; + sg_bindings bind; + + /* pipeline stack */ + int pip_tos; + sgl_pipeline pip_stack[_SGL_MAX_STACK_DEPTH]; + + /* matrix stacks */ + _sgl_matrix_mode_t cur_matrix_mode; + int matrix_tos[SGL_NUM_MATRIXMODES]; + _sgl_matrix_t matrix_stack[SGL_NUM_MATRIXMODES][_SGL_MAX_STACK_DEPTH]; +} _sgl_context_t; + +typedef struct { + _sgl_pool_t pool; + _sgl_context_t* contexts; +} _sgl_context_pool_t; + +typedef struct { + uint32_t init_cookie; + sgl_desc_t desc; + sg_image def_img; // a default white texture + sg_view def_view; // ...and the texture view for the default image + sg_sampler def_smp; // a default sampler + sg_shader shd; // same shader for all contexts + sgl_context def_ctx_id; + sgl_context cur_ctx_id; + _sgl_context_t* cur_ctx; // may be 0! + _sgl_pipeline_pool_t pip_pool; + _sgl_context_pool_t context_pool; +} _sgl_t; +static _sgl_t _sgl; + +// ██ ██████ ██████ ██████ ██ ███ ██ ██████ +// ██ ██ ██ ██ ██ ██ ████ ██ ██ +// ██ ██ ██ ██ ███ ██ ███ ██ ██ ██ ██ ██ ███ +// ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ +// ███████ ██████ ██████ ██████ ██ ██ ████ ██████ +// +// >>logging +#if defined(SOKOL_DEBUG) +#define _SGL_LOGITEM_XMACRO(item,msg) #item ": " msg, +static const char* _sgl_log_messages[] = { + _SGL_LOG_ITEMS +}; +#undef _SGL_LOGITEM_XMACRO +#endif // SOKOL_DEBUG + +#define _SGL_PANIC(code) _sgl_log(SGL_LOGITEM_ ##code, 0, __LINE__) +#define _SGL_ERROR(code) _sgl_log(SGL_LOGITEM_ ##code, 1, __LINE__) +#define _SGL_WARN(code) _sgl_log(SGL_LOGITEM_ ##code, 2, __LINE__) +#define _SGL_INFO(code) _sgl_log(SGL_LOGITEM_ ##code, 3, __LINE__) + +static void _sgl_log(sgl_log_item_t log_item, uint32_t log_level, uint32_t line_nr) { + if (_sgl.desc.logger.func) { + #if defined(SOKOL_DEBUG) + const char* filename = __FILE__; + const char* message = _sgl_log_messages[log_item]; + #else + const char* filename = 0; + const char* message = 0; + #endif + _sgl.desc.logger.func("sgl", log_level, (uint32_t)log_item, message, line_nr, filename, _sgl.desc.logger.user_data); + } else { + // for log level PANIC it would be 'undefined behaviour' to continue + if (log_level == 0) { + abort(); + } + } +} + +// ███ ███ ███████ ███ ███ ██████ ██████ ██ ██ +// ████ ████ ██ ████ ████ ██ ██ ██ ██ ██ ██ +// ██ ████ ██ █████ ██ ████ ██ ██ ██ ██████ ████ +// ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ +// ██ ██ ███████ ██ ██ ██████ ██ ██ ██ +// +// >>memory +static void _sgl_clear(void* ptr, size_t size) { + SOKOL_ASSERT(ptr && (size > 0)); + memset(ptr, 0, size); +} + +static void* _sgl_malloc(size_t size) { + SOKOL_ASSERT(size > 0); + void* ptr; + if (_sgl.desc.allocator.alloc_fn) { + ptr = _sgl.desc.allocator.alloc_fn(size, _sgl.desc.allocator.user_data); + } else { + ptr = malloc(size); + } + if (0 == ptr) { + _SGL_PANIC(MALLOC_FAILED); + } + return ptr; +} + +static void* _sgl_malloc_clear(size_t size) { + void* ptr = _sgl_malloc(size); + _sgl_clear(ptr, size); + return ptr; +} + +static void _sgl_free(void* ptr) { + if (_sgl.desc.allocator.free_fn) { + _sgl.desc.allocator.free_fn(ptr, _sgl.desc.allocator.user_data); + } else { + free(ptr); + } +} + +// ██████ ██████ ██████ ██ +// ██ ██ ██ ██ ██ ██ ██ +// ██████ ██ ██ ██ ██ ██ +// ██ ██ ██ ██ ██ ██ +// ██ ██████ ██████ ███████ +// +// >>pool +static void _sgl_init_pool(_sgl_pool_t* pool, int num) { + SOKOL_ASSERT(pool && (num >= 1)); + /* slot 0 is reserved for the 'invalid id', so bump the pool size by 1 */ + pool->size = num + 1; + pool->queue_top = 0; + /* generation counters indexable by pool slot index, slot 0 is reserved */ + size_t gen_ctrs_size = sizeof(uint32_t) * (size_t)pool->size; + pool->gen_ctrs = (uint32_t*) _sgl_malloc_clear(gen_ctrs_size); + /* it's not a bug to only reserve 'num' here */ + pool->free_queue = (int*) _sgl_malloc_clear(sizeof(int) * (size_t)num); + /* never allocate the zero-th pool item since the invalid id is 0 */ + for (int i = pool->size-1; i >= 1; i--) { + pool->free_queue[pool->queue_top++] = i; + } +} + +static void _sgl_discard_pool(_sgl_pool_t* pool) { + SOKOL_ASSERT(pool); + SOKOL_ASSERT(pool->free_queue); + _sgl_free(pool->free_queue); + pool->free_queue = 0; + SOKOL_ASSERT(pool->gen_ctrs); + _sgl_free(pool->gen_ctrs); + pool->gen_ctrs = 0; + pool->size = 0; + pool->queue_top = 0; +} + +static int _sgl_pool_alloc_index(_sgl_pool_t* pool) { + SOKOL_ASSERT(pool); + SOKOL_ASSERT(pool->free_queue); + if (pool->queue_top > 0) { + int slot_index = pool->free_queue[--pool->queue_top]; + SOKOL_ASSERT((slot_index > 0) && (slot_index < pool->size)); + return slot_index; + } else { + // pool exhausted + return _SGL_INVALID_SLOT_INDEX; + } +} + +static void _sgl_pool_free_index(_sgl_pool_t* pool, int slot_index) { + SOKOL_ASSERT((slot_index > _SGL_INVALID_SLOT_INDEX) && (slot_index < pool->size)); + SOKOL_ASSERT(pool); + SOKOL_ASSERT(pool->free_queue); + SOKOL_ASSERT(pool->queue_top < pool->size); + #ifdef SOKOL_DEBUG + /* debug check against double-free */ + for (int i = 0; i < pool->queue_top; i++) { + SOKOL_ASSERT(pool->free_queue[i] != slot_index); + } + #endif + pool->free_queue[pool->queue_top++] = slot_index; + SOKOL_ASSERT(pool->queue_top <= (pool->size-1)); +} + +/* allocate the slot at slot_index: + - bump the slot's generation counter + - create a resource id from the generation counter and slot index + - set the slot's id to this id + - set the slot's state to ALLOC + - return the resource id +*/ +static uint32_t _sgl_slot_alloc(_sgl_pool_t* pool, _sgl_slot_t* slot, int slot_index) { + /* FIXME: add handling for an overflowing generation counter, + for now, just overflow (another option is to disable + the slot) + */ + SOKOL_ASSERT(pool && pool->gen_ctrs); + SOKOL_ASSERT((slot_index > _SGL_INVALID_SLOT_INDEX) && (slot_index < pool->size)); + SOKOL_ASSERT((slot->state == SG_RESOURCESTATE_INITIAL) && (slot->id == SG_INVALID_ID)); + uint32_t ctr = ++pool->gen_ctrs[slot_index]; + slot->id = (ctr<<_SGL_SLOT_SHIFT)|(slot_index & _SGL_SLOT_MASK); + slot->state = SG_RESOURCESTATE_ALLOC; + return slot->id; +} + +/* extract slot index from id */ +static int _sgl_slot_index(uint32_t id) { + int slot_index = (int) (id & _SGL_SLOT_MASK); + SOKOL_ASSERT(_SGL_INVALID_SLOT_INDEX != slot_index); + return slot_index; +} + +// ██████ ██ ██████ ███████ ██ ██ ███ ██ ███████ ███████ +// ██ ██ ██ ██ ██ ██ ██ ██ ████ ██ ██ ██ +// ██████ ██ ██████ █████ ██ ██ ██ ██ ██ █████ ███████ +// ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ +// ██ ██ ██ ███████ ███████ ██ ██ ████ ███████ ███████ +// +// >>pipelines +static void _sgl_reset_pipeline(_sgl_pipeline_t* pip) { + SOKOL_ASSERT(pip); + _sgl_clear(pip, sizeof(_sgl_pipeline_t)); +} + +static void _sgl_setup_pipeline_pool(int pool_size) { + /* note: the pools here will have an additional item, since slot 0 is reserved */ + SOKOL_ASSERT((pool_size > 0) && (pool_size < _SGL_MAX_POOL_SIZE)); + _sgl_init_pool(&_sgl.pip_pool.pool, pool_size); + size_t pool_byte_size = sizeof(_sgl_pipeline_t) * (size_t)_sgl.pip_pool.pool.size; + _sgl.pip_pool.pips = (_sgl_pipeline_t*) _sgl_malloc_clear(pool_byte_size); +} + +static void _sgl_discard_pipeline_pool(void) { + SOKOL_ASSERT(0 != _sgl.pip_pool.pips); + _sgl_free(_sgl.pip_pool.pips); _sgl.pip_pool.pips = 0; + _sgl_discard_pool(&_sgl.pip_pool.pool); +} + +/* get pipeline pointer without id-check */ +static _sgl_pipeline_t* _sgl_pipeline_at(uint32_t pip_id) { + SOKOL_ASSERT(SG_INVALID_ID != pip_id); + int slot_index = _sgl_slot_index(pip_id); + SOKOL_ASSERT((slot_index > _SGL_INVALID_SLOT_INDEX) && (slot_index < _sgl.pip_pool.pool.size)); + return &_sgl.pip_pool.pips[slot_index]; +} + +/* get pipeline pointer with id-check, returns 0 if no match */ +static _sgl_pipeline_t* _sgl_lookup_pipeline(uint32_t pip_id) { + if (SG_INVALID_ID != pip_id) { + _sgl_pipeline_t* pip = _sgl_pipeline_at(pip_id); + if (pip->slot.id == pip_id) { + return pip; + } + } + return 0; +} + +/* make pipeline id from uint32_t id */ +static sgl_pipeline _sgl_make_pip_id(uint32_t pip_id) { + sgl_pipeline pip = { pip_id }; + return pip; +} + +static sgl_pipeline _sgl_alloc_pipeline(void) { + sgl_pipeline res; + int slot_index = _sgl_pool_alloc_index(&_sgl.pip_pool.pool); + if (_SGL_INVALID_SLOT_INDEX != slot_index) { + res = _sgl_make_pip_id(_sgl_slot_alloc(&_sgl.pip_pool.pool, &_sgl.pip_pool.pips[slot_index].slot, slot_index)); + } else { + /* pool is exhausted */ + res = _sgl_make_pip_id(SG_INVALID_ID); + } + return res; +} + +static void _sgl_init_pipeline(sgl_pipeline pip_id, const sg_pipeline_desc* in_desc, const sgl_context_desc_t* ctx_desc) { + SOKOL_ASSERT((pip_id.id != SG_INVALID_ID) && in_desc && ctx_desc); + + /* create a new desc with 'patched' shader and pixel format state */ + sg_pipeline_desc desc = *in_desc; + desc.layout.buffers[0].stride = sizeof(_sgl_vertex_t); + { + sg_vertex_attr_state* pos = &desc.layout.attrs[0]; + pos->offset = offsetof(_sgl_vertex_t, pos); + pos->format = SG_VERTEXFORMAT_FLOAT3; + } + { + sg_vertex_attr_state* uv = &desc.layout.attrs[1]; + uv->offset = offsetof(_sgl_vertex_t, uv); + uv->format = SG_VERTEXFORMAT_FLOAT2; + } + { + sg_vertex_attr_state* rgba = &desc.layout.attrs[2]; + rgba->offset = offsetof(_sgl_vertex_t, rgba); + rgba->format = SG_VERTEXFORMAT_UBYTE4N; + } + { + sg_vertex_attr_state* psize = &desc.layout.attrs[3]; + psize->offset = offsetof(_sgl_vertex_t, psize); + psize->format = SG_VERTEXFORMAT_FLOAT; + } + if (in_desc->shader.id == SG_INVALID_ID) { + desc.shader = _sgl.shd; + } + desc.index_type = SG_INDEXTYPE_NONE; + desc.sample_count = ctx_desc->sample_count; + if (desc.face_winding == _SG_FACEWINDING_DEFAULT) { + desc.face_winding = _sgl.desc.face_winding; + } + desc.depth.pixel_format = ctx_desc->depth_format; + if (ctx_desc->depth_format == SG_PIXELFORMAT_NONE) { + desc.depth.write_enabled = false; + } + desc.colors[0].pixel_format = ctx_desc->color_format; + if (desc.colors[0].write_mask == _SG_COLORMASK_DEFAULT) { + desc.colors[0].write_mask = SG_COLORMASK_RGB; + } + + _sgl_pipeline_t* pip = _sgl_lookup_pipeline(pip_id.id); + SOKOL_ASSERT(pip && (pip->slot.state == SG_RESOURCESTATE_ALLOC)); + pip->slot.state = SG_RESOURCESTATE_VALID; + for (int i = 0; i < SGL_NUM_PRIMITIVE_TYPES; i++) { + switch (i) { + case SGL_PRIMITIVETYPE_POINTS: + desc.primitive_type = SG_PRIMITIVETYPE_POINTS; + break; + case SGL_PRIMITIVETYPE_LINES: + desc.primitive_type = SG_PRIMITIVETYPE_LINES; + break; + case SGL_PRIMITIVETYPE_LINE_STRIP: + desc.primitive_type = SG_PRIMITIVETYPE_LINE_STRIP; + break; + case SGL_PRIMITIVETYPE_TRIANGLES: + desc.primitive_type = SG_PRIMITIVETYPE_TRIANGLES; + break; + case SGL_PRIMITIVETYPE_TRIANGLE_STRIP: + case SGL_PRIMITIVETYPE_QUADS: + desc.primitive_type = SG_PRIMITIVETYPE_TRIANGLE_STRIP; + break; + } + if (SGL_PRIMITIVETYPE_QUADS == i) { + /* quads are emulated via triangles, use the same pipeline object */ + pip->pip[i] = pip->pip[SGL_PRIMITIVETYPE_TRIANGLES]; + } else { + pip->pip[i] = sg_make_pipeline(&desc); + if (pip->pip[i].id == SG_INVALID_ID) { + _SGL_ERROR(MAKE_PIPELINE_FAILED); + pip->slot.state = SG_RESOURCESTATE_FAILED; + } + } + } +} + +static sgl_pipeline _sgl_make_pipeline(const sg_pipeline_desc* desc, const sgl_context_desc_t* ctx_desc) { + SOKOL_ASSERT(desc && ctx_desc); + sgl_pipeline pip_id = _sgl_alloc_pipeline(); + if (pip_id.id != SG_INVALID_ID) { + _sgl_init_pipeline(pip_id, desc, ctx_desc); + } else { + _SGL_ERROR(PIPELINE_POOL_EXHAUSTED); + } + return pip_id; +} + +static void _sgl_destroy_pipeline(sgl_pipeline pip_id) { + _sgl_pipeline_t* pip = _sgl_lookup_pipeline(pip_id.id); + if (pip) { + sg_push_debug_group("sokol-gl"); + for (int i = 0; i < SGL_NUM_PRIMITIVE_TYPES; i++) { + if (i != SGL_PRIMITIVETYPE_QUADS) { + sg_destroy_pipeline(pip->pip[i]); + } + } + sg_pop_debug_group(); + _sgl_reset_pipeline(pip); + _sgl_pool_free_index(&_sgl.pip_pool.pool, _sgl_slot_index(pip_id.id)); + } +} + +static sg_pipeline _sgl_get_pipeline(sgl_pipeline pip_id, _sgl_primitive_type_t prim_type) { + _sgl_pipeline_t* pip = _sgl_lookup_pipeline(pip_id.id); + if (pip) { + return pip->pip[prim_type]; + } else { + sg_pipeline dummy_id = { SG_INVALID_ID }; + return dummy_id; + } +} + +// ██████ ██████ ███ ██ ████████ ███████ ██ ██ ████████ ███████ +// ██ ██ ██ ████ ██ ██ ██ ██ ██ ██ ██ +// ██ ██ ██ ██ ██ ██ ██ █████ ███ ██ ███████ +// ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ +// ██████ ██████ ██ ████ ██ ███████ ██ ██ ██ ███████ +// +// >>contexts +static void _sgl_reset_context(_sgl_context_t* ctx) { + SOKOL_ASSERT(ctx); + SOKOL_ASSERT(0 == ctx->vertices.ptr); + SOKOL_ASSERT(0 == ctx->uniforms.ptr); + SOKOL_ASSERT(0 == ctx->commands.ptr); + _sgl_clear(ctx, sizeof(_sgl_context_t)); +} + +static void _sgl_setup_context_pool(int pool_size) { + /* note: the pools here will have an additional item, since slot 0 is reserved */ + SOKOL_ASSERT((pool_size > 0) && (pool_size < _SGL_MAX_POOL_SIZE)); + _sgl_init_pool(&_sgl.context_pool.pool, pool_size); + size_t pool_byte_size = sizeof(_sgl_context_t) * (size_t)_sgl.context_pool.pool.size; + _sgl.context_pool.contexts = (_sgl_context_t*) _sgl_malloc_clear(pool_byte_size); +} + +static void _sgl_discard_context_pool(void) { + SOKOL_ASSERT(0 != _sgl.context_pool.contexts); + _sgl_free(_sgl.context_pool.contexts); _sgl.context_pool.contexts = 0; + _sgl_discard_pool(&_sgl.context_pool.pool); +} + +// get context pointer without id-check +static _sgl_context_t* _sgl_context_at(uint32_t ctx_id) { + SOKOL_ASSERT(SG_INVALID_ID != ctx_id); + int slot_index = _sgl_slot_index(ctx_id); + SOKOL_ASSERT((slot_index > _SGL_INVALID_SLOT_INDEX) && (slot_index < _sgl.context_pool.pool.size)); + return &_sgl.context_pool.contexts[slot_index]; +} + +// get context pointer with id-check, returns 0 if no match +static _sgl_context_t* _sgl_lookup_context(uint32_t ctx_id) { + if (SG_INVALID_ID != ctx_id) { + _sgl_context_t* ctx = _sgl_context_at(ctx_id); + if (ctx->slot.id == ctx_id) { + return ctx; + } + } + return 0; +} + +// make context id from uint32_t id +static sgl_context _sgl_make_ctx_id(uint32_t ctx_id) { + sgl_context ctx = { ctx_id }; + return ctx; +} + +static sgl_context _sgl_alloc_context(void) { + sgl_context res; + int slot_index = _sgl_pool_alloc_index(&_sgl.context_pool.pool); + if (_SGL_INVALID_SLOT_INDEX != slot_index) { + res = _sgl_make_ctx_id(_sgl_slot_alloc(&_sgl.context_pool.pool, &_sgl.context_pool.contexts[slot_index].slot, slot_index)); + } else { + // pool is exhausted + res = _sgl_make_ctx_id(SG_INVALID_ID); + } + return res; +} + +// return sgl_context_desc_t with patched defaults +static sgl_context_desc_t _sgl_context_desc_defaults(const sgl_context_desc_t* desc) { + sgl_context_desc_t res = *desc; + res.max_vertices = _sgl_def(desc->max_vertices, _SGL_DEFAULT_MAX_VERTICES); + res.max_commands = _sgl_def(desc->max_commands, _SGL_DEFAULT_MAX_COMMANDS); + return res; +} + +static void _sgl_identity(_sgl_matrix_t*); +static sg_commit_listener _sgl_make_commit_listener(_sgl_context_t* ctx); +static void _sgl_init_context(sgl_context ctx_id, const sgl_context_desc_t* in_desc) { + SOKOL_ASSERT((ctx_id.id != SG_INVALID_ID) && in_desc); + _sgl_context_t* ctx = _sgl_lookup_context(ctx_id.id); + SOKOL_ASSERT(ctx); + ctx->desc = _sgl_context_desc_defaults(in_desc); + // NOTE: frame_id must be non-zero, so that updates trigger in first frame + ctx->frame_id = 1; + ctx->cur_view = _sgl.def_view; + ctx->cur_smp = _sgl.def_smp; + + // allocate buffers and pools + ctx->vertices.cap = ctx->desc.max_vertices; + ctx->commands.cap = ctx->uniforms.cap = ctx->desc.max_commands; + ctx->vertices.ptr = (_sgl_vertex_t*) _sgl_malloc((size_t)ctx->vertices.cap * sizeof(_sgl_vertex_t)); + ctx->uniforms.ptr = (_sgl_uniform_t*) _sgl_malloc((size_t)ctx->uniforms.cap * sizeof(_sgl_uniform_t)); + ctx->commands.ptr = (_sgl_command_t*) _sgl_malloc((size_t)ctx->commands.cap * sizeof(_sgl_command_t)); + + // create sokol-gfx resource objects + sg_push_debug_group("sokol-gl"); + + sg_buffer_desc vbuf_desc; + _sgl_clear(&vbuf_desc, sizeof(vbuf_desc)); + vbuf_desc.size = (size_t)ctx->vertices.cap * sizeof(_sgl_vertex_t); + vbuf_desc.usage.vertex_buffer = true; + vbuf_desc.usage.stream_update = true; + vbuf_desc.label = "sgl-vertex-buffer"; + ctx->vbuf = sg_make_buffer(&vbuf_desc); + SOKOL_ASSERT(SG_INVALID_ID != ctx->vbuf.id); + ctx->bind.vertex_buffers[0] = ctx->vbuf; + + sg_pipeline_desc def_pip_desc; + _sgl_clear(&def_pip_desc, sizeof(def_pip_desc)); + def_pip_desc.depth.write_enabled = true; + ctx->def_pip = _sgl_make_pipeline(&def_pip_desc, &ctx->desc); + if (!sg_add_commit_listener(_sgl_make_commit_listener(ctx))) { + _SGL_ERROR(ADD_COMMIT_LISTENER_FAILED); + } + sg_pop_debug_group(); + + // default state + ctx->rgba = 0xFFFFFFFF; + ctx->point_size = 1.0f; + for (int i = 0; i < SGL_NUM_MATRIXMODES; i++) { + _sgl_identity(&ctx->matrix_stack[i][0]); + } + ctx->pip_stack[0] = ctx->def_pip; + ctx->matrix_dirty = true; +} + +static sgl_context _sgl_make_context(const sgl_context_desc_t* desc) { + SOKOL_ASSERT(desc); + sgl_context ctx_id = _sgl_alloc_context(); + if (ctx_id.id != SG_INVALID_ID) { + _sgl_init_context(ctx_id, desc); + } else { + _SGL_ERROR(CONTEXT_POOL_EXHAUSTED); + } + return ctx_id; +} + +static void _sgl_destroy_context(sgl_context ctx_id) { + _sgl_context_t* ctx = _sgl_lookup_context(ctx_id.id); + if (ctx) { + SOKOL_ASSERT(ctx->vertices.ptr); + SOKOL_ASSERT(ctx->uniforms.ptr); + SOKOL_ASSERT(ctx->commands.ptr); + + _sgl_free(ctx->vertices.ptr); + _sgl_free(ctx->uniforms.ptr); + _sgl_free(ctx->commands.ptr); + ctx->vertices.ptr = 0; + ctx->uniforms.ptr = 0; + ctx->commands.ptr = 0; + + sg_push_debug_group("sokol-gl"); + sg_destroy_buffer(ctx->vbuf); + _sgl_destroy_pipeline(ctx->def_pip); + sg_remove_commit_listener(_sgl_make_commit_listener(ctx)); + sg_pop_debug_group(); + + _sgl_reset_context(ctx); + _sgl_pool_free_index(&_sgl.context_pool.pool, _sgl_slot_index(ctx_id.id)); + } +} + +// ███ ███ ██ ███████ ██████ +// ████ ████ ██ ██ ██ +// ██ ████ ██ ██ ███████ ██ +// ██ ██ ██ ██ ██ ██ +// ██ ██ ██ ███████ ██████ +// +// >>misc + +static sgl_error_t _sgl_error_defaults(void) { + sgl_error_t defaults; + _sgl_clear(&defaults, sizeof(defaults)); + return defaults; +} + +static int _sgl_num_vertices(_sgl_context_t* ctx) { + return ctx->vertices.next; +} + +static int _sgl_num_commands(_sgl_context_t* ctx) { + return ctx->commands.next; +} + +static void _sgl_begin(_sgl_context_t* ctx, _sgl_primitive_type_t mode) { + ctx->in_begin = true; + ctx->base_vertex = ctx->vertices.next; + ctx->quad_vtx_count = 0; + ctx->cur_prim_type = mode; +} + +static void _sgl_rewind(_sgl_context_t* ctx) { + ctx->frame_id++; + ctx->vertices.next = 0; + ctx->uniforms.next = 0; + ctx->commands.next = 0; + ctx->base_vertex = 0; + ctx->error = _sgl_error_defaults(); + ctx->layer_id = 0; + ctx->matrix_dirty = true; +} + +// called from inside sokol-gfx sg_commit() +static void _sgl_commit_listener(void* userdata) { + _sgl_context_t* ctx = _sgl_lookup_context((uint32_t)(uintptr_t)userdata); + if (ctx) { + _sgl_rewind(ctx); + } +} + +static sg_commit_listener _sgl_make_commit_listener(_sgl_context_t* ctx) { + sg_commit_listener listener = { _sgl_commit_listener, (void*)(uintptr_t)(ctx->slot.id) }; + return listener; +} + +static _sgl_vertex_t* _sgl_next_vertex(_sgl_context_t* ctx) { + if (ctx->vertices.next < ctx->vertices.cap) { + return &ctx->vertices.ptr[ctx->vertices.next++]; + } else { + ctx->error.vertices_full = true; + ctx->error.any = true; + return 0; + } +} + +static _sgl_uniform_t* _sgl_next_uniform(_sgl_context_t* ctx) { + if (ctx->uniforms.next < ctx->uniforms.cap) { + return &ctx->uniforms.ptr[ctx->uniforms.next++]; + } else { + ctx->error.uniforms_full = true; + ctx->error.any = true; + return 0; + } +} + +static _sgl_command_t* _sgl_cur_command(_sgl_context_t* ctx) { + if (ctx->commands.next > 0) { + return &ctx->commands.ptr[ctx->commands.next - 1]; + } else { + return 0; + } +} + +static _sgl_command_t* _sgl_next_command(_sgl_context_t* ctx) { + if (ctx->commands.next < ctx->commands.cap) { + return &ctx->commands.ptr[ctx->commands.next++]; + } else { + ctx->error.commands_full = true; + ctx->error.any = true; + return 0; + } +} + +static uint32_t _sgl_pack_rgbab(uint8_t r, uint8_t g, uint8_t b, uint8_t a) { + return (uint32_t)(((uint32_t)a<<24)|((uint32_t)b<<16)|((uint32_t)g<<8)|r); +} + +static float _sgl_clamp(float v, float lo, float hi) { + if (v < lo) return lo; + else if (v > hi) return hi; + else return v; +} + +static uint32_t _sgl_pack_rgbaf(float r, float g, float b, float a) { + uint8_t r_u8 = (uint8_t) (_sgl_clamp(r, 0.0f, 1.0f) * 255.0f); + uint8_t g_u8 = (uint8_t) (_sgl_clamp(g, 0.0f, 1.0f) * 255.0f); + uint8_t b_u8 = (uint8_t) (_sgl_clamp(b, 0.0f, 1.0f) * 255.0f); + uint8_t a_u8 = (uint8_t) (_sgl_clamp(a, 0.0f, 1.0f) * 255.0f); + return _sgl_pack_rgbab(r_u8, g_u8, b_u8, a_u8); +} + +static void _sgl_vtx(_sgl_context_t* ctx, float x, float y, float z, float u, float v, uint32_t rgba) { + SOKOL_ASSERT(ctx->in_begin); + _sgl_vertex_t* vtx; + /* handle non-native primitive types */ + if ((ctx->cur_prim_type == SGL_PRIMITIVETYPE_QUADS) && ((ctx->quad_vtx_count & 3) == 3)) { + /* for quads, before writing the last quad vertex, reuse + the first and third vertex to start the second triangle in the quad + */ + vtx = _sgl_next_vertex(ctx); + if (vtx) { *vtx = *(vtx - 3); } + vtx = _sgl_next_vertex(ctx); + if (vtx) { *vtx = *(vtx - 2); } + } + vtx = _sgl_next_vertex(ctx); + if (vtx) { + vtx->pos[0] = x; vtx->pos[1] = y; vtx->pos[2] = z; + vtx->uv[0] = u; vtx->uv[1] = v; + vtx->rgba = rgba; + vtx->psize = ctx->point_size; + } + ctx->quad_vtx_count++; +} + +static void _sgl_identity(_sgl_matrix_t* m) { + for (int c = 0; c < 4; c++) { + for (int r = 0; r < 4; r++) { + m->v[c][r] = (r == c) ? 1.0f : 0.0f; + } + } +} + +static void _sgl_transpose(_sgl_matrix_t* dst, const _sgl_matrix_t* m) { + SOKOL_ASSERT(dst != m); + for (int c = 0; c < 4; c++) { + for (int r = 0; r < 4; r++) { + dst->v[r][c] = m->v[c][r]; + } + } +} + +/* _sgl_rotate, _sgl_frustum, _sgl_ortho from MESA m_matric.c */ +static void _sgl_matmul4(_sgl_matrix_t* p, const _sgl_matrix_t* a, const _sgl_matrix_t* b) { + for (int r = 0; r < 4; r++) { + float ai0=a->v[0][r], ai1=a->v[1][r], ai2=a->v[2][r], ai3=a->v[3][r]; + p->v[0][r] = ai0*b->v[0][0] + ai1*b->v[0][1] + ai2*b->v[0][2] + ai3*b->v[0][3]; + p->v[1][r] = ai0*b->v[1][0] + ai1*b->v[1][1] + ai2*b->v[1][2] + ai3*b->v[1][3]; + p->v[2][r] = ai0*b->v[2][0] + ai1*b->v[2][1] + ai2*b->v[2][2] + ai3*b->v[2][3]; + p->v[3][r] = ai0*b->v[3][0] + ai1*b->v[3][1] + ai2*b->v[3][2] + ai3*b->v[3][3]; + } +} + +static void _sgl_mul(_sgl_matrix_t* dst, const _sgl_matrix_t* m) { + _sgl_matmul4(dst, dst, m); +} + +static void _sgl_rotate(_sgl_matrix_t* dst, float a, float x, float y, float z) { + + float s = sinf(a); + float c = cosf(a); + + float mag = sqrtf(x*x + y*y + z*z); + if (mag < 1.0e-4F) { + return; + } + x /= mag; + y /= mag; + z /= mag; + float xx = x * x; + float yy = y * y; + float zz = z * z; + float xy = x * y; + float yz = y * z; + float zx = z * x; + float xs = x * s; + float ys = y * s; + float zs = z * s; + float one_c = 1.0f - c; + + _sgl_matrix_t m; + m.v[0][0] = (one_c * xx) + c; + m.v[1][0] = (one_c * xy) - zs; + m.v[2][0] = (one_c * zx) + ys; + m.v[3][0] = 0.0f; + m.v[0][1] = (one_c * xy) + zs; + m.v[1][1] = (one_c * yy) + c; + m.v[2][1] = (one_c * yz) - xs; + m.v[3][1] = 0.0f; + m.v[0][2] = (one_c * zx) - ys; + m.v[1][2] = (one_c * yz) + xs; + m.v[2][2] = (one_c * zz) + c; + m.v[3][2] = 0.0f; + m.v[0][3] = 0.0f; + m.v[1][3] = 0.0f; + m.v[2][3] = 0.0f; + m.v[3][3] = 1.0f; + _sgl_mul(dst, &m); +} + +static void _sgl_scale(_sgl_matrix_t* dst, float x, float y, float z) { + for (int r = 0; r < 4; r++) { + dst->v[0][r] *= x; + dst->v[1][r] *= y; + dst->v[2][r] *= z; + } +} + +static void _sgl_translate(_sgl_matrix_t* dst, float x, float y, float z) { + for (int r = 0; r < 4; r++) { + dst->v[3][r] = dst->v[0][r]*x + dst->v[1][r]*y + dst->v[2][r]*z + dst->v[3][r]; + } +} + +static void _sgl_frustum(_sgl_matrix_t* dst, float left, float right, float bottom, float top, float znear, float zfar) { + float x = (2.0f * znear) / (right - left); + float y = (2.0f * znear) / (top - bottom); + float a = (right + left) / (right - left); + float b = (top + bottom) / (top - bottom); + float c = -(zfar + znear) / (zfar - znear); + float d = -(2.0f * zfar * znear) / (zfar - znear); + _sgl_matrix_t m; + m.v[0][0] = x; m.v[0][1] = 0.0f; m.v[0][2] = 0.0f; m.v[0][3] = 0.0f; + m.v[1][0] = 0.0f; m.v[1][1] = y; m.v[1][2] = 0.0f; m.v[1][3] = 0.0f; + m.v[2][0] = a; m.v[2][1] = b; m.v[2][2] = c; m.v[2][3] = -1.0f; + m.v[3][0] = 0.0f; m.v[3][1] = 0.0f; m.v[3][2] = d; m.v[3][3] = 0.0f; + _sgl_mul(dst, &m); +} + +static void _sgl_ortho(_sgl_matrix_t* dst, float left, float right, float bottom, float top, float znear, float zfar) { + _sgl_matrix_t m; + m.v[0][0] = 2.0f / (right - left); + m.v[1][0] = 0.0f; + m.v[2][0] = 0.0f; + m.v[3][0] = -(right + left) / (right - left); + m.v[0][1] = 0.0f; + m.v[1][1] = 2.0f / (top - bottom); + m.v[2][1] = 0.0f; + m.v[3][1] = -(top + bottom) / (top - bottom); + m.v[0][2] = 0.0f; + m.v[1][2] = 0.0f; + m.v[2][2] = -2.0f / (zfar - znear); + m.v[3][2] = -(zfar + znear) / (zfar - znear); + m.v[0][3] = 0.0f; + m.v[1][3] = 0.0f; + m.v[2][3] = 0.0f; + m.v[3][3] = 1.0f; + + _sgl_mul(dst, &m); +} + +/* _sgl_perspective, _sgl_lookat from Regal project.c */ +static void _sgl_perspective(_sgl_matrix_t* dst, float fovy, float aspect, float znear, float zfar) { + float sine = sinf(fovy / 2.0f); + float delta_z = zfar - znear; + if ((delta_z == 0.0f) || (sine == 0.0f) || (aspect == 0.0f)) { + return; + } + float cotan = cosf(fovy / 2.0f) / sine; + _sgl_matrix_t m; + _sgl_identity(&m); + m.v[0][0] = cotan / aspect; + m.v[1][1] = cotan; + m.v[2][2] = -(zfar + znear) / delta_z; + m.v[2][3] = -1.0f; + m.v[3][2] = -2.0f * znear * zfar / delta_z; + m.v[3][3] = 0.0f; + _sgl_mul(dst, &m); +} + +static void _sgl_normalize(float v[3]) { + float r = sqrtf(v[0]*v[0] + v[1]*v[1] + v[2]*v[2]); + if (r == 0.0f) { + return; + } + v[0] /= r; + v[1] /= r; + v[2] /= r; +} + +static void _sgl_cross(float v1[3], float v2[3], float res[3]) { + res[0] = v1[1]*v2[2] - v1[2]*v2[1]; + res[1] = v1[2]*v2[0] - v1[0]*v2[2]; + res[2] = v1[0]*v2[1] - v1[1]*v2[0]; +} + +static void _sgl_lookat(_sgl_matrix_t* dst, + float eye_x, float eye_y, float eye_z, + float center_x, float center_y, float center_z, + float up_x, float up_y, float up_z) +{ + float fwd[3], side[3], up[3]; + + fwd[0] = center_x - eye_x; fwd[1] = center_y - eye_y; fwd[2] = center_z - eye_z; + up[0] = up_x; up[1] = up_y; up[2] = up_z; + _sgl_normalize(fwd); + _sgl_cross(fwd, up, side); + _sgl_normalize(side); + _sgl_cross(side, fwd, up); + + _sgl_matrix_t m; + _sgl_identity(&m); + m.v[0][0] = side[0]; + m.v[1][0] = side[1]; + m.v[2][0] = side[2]; + m.v[0][1] = up[0]; + m.v[1][1] = up[1]; + m.v[2][1] = up[2]; + m.v[0][2] = -fwd[0]; + m.v[1][2] = -fwd[1]; + m.v[2][2] = -fwd[2]; + _sgl_mul(dst, &m); + _sgl_translate(dst, -eye_x, -eye_y, -eye_z); +} + +/* current top-of-stack projection matrix */ +static _sgl_matrix_t* _sgl_matrix_projection(_sgl_context_t* ctx) { + return &ctx->matrix_stack[SGL_MATRIXMODE_PROJECTION][ctx->matrix_tos[SGL_MATRIXMODE_PROJECTION]]; +} + +/* get top-of-stack modelview matrix */ +static _sgl_matrix_t* _sgl_matrix_modelview(_sgl_context_t* ctx) { + return &ctx->matrix_stack[SGL_MATRIXMODE_MODELVIEW][ctx->matrix_tos[SGL_MATRIXMODE_MODELVIEW]]; +} + +/* get top-of-stack texture matrix */ +static _sgl_matrix_t* _sgl_matrix_texture(_sgl_context_t* ctx) { + return &ctx->matrix_stack[SGL_MATRIXMODE_TEXTURE][ctx->matrix_tos[SGL_MATRIXMODE_TEXTURE]]; +} + +/* get pointer to current top-of-stack of current matrix mode */ +static _sgl_matrix_t* _sgl_matrix(_sgl_context_t* ctx) { + return &ctx->matrix_stack[ctx->cur_matrix_mode][ctx->matrix_tos[ctx->cur_matrix_mode]]; +} + +static sgl_desc_t _sgl_desc_defaults(const sgl_desc_t* desc) { + SOKOL_ASSERT((desc->allocator.alloc_fn && desc->allocator.free_fn) || (!desc->allocator.alloc_fn && !desc->allocator.free_fn)); + sgl_desc_t res = *desc; + res.max_vertices = _sgl_def(desc->max_vertices, _SGL_DEFAULT_MAX_VERTICES); + res.max_commands = _sgl_def(desc->max_commands, _SGL_DEFAULT_MAX_COMMANDS); + res.context_pool_size = _sgl_def(desc->context_pool_size, _SGL_DEFAULT_CONTEXT_POOL_SIZE); + res.pipeline_pool_size = _sgl_def(desc->pipeline_pool_size, _SGL_DEFAULT_PIPELINE_POOL_SIZE); + res.face_winding = _sgl_def(desc->face_winding, SG_FACEWINDING_CCW); + return res; +} + +// create resources which are shared between all contexts +static void _sgl_setup_common(void) { + sg_push_debug_group("sokol-gl"); + + uint32_t pixels[64]; + for (int i = 0; i < 64; i++) { + pixels[i] = 0xFFFFFFFF; + } + sg_image_desc img_desc; + _sgl_clear(&img_desc, sizeof(img_desc)); + img_desc.type = SG_IMAGETYPE_2D; + img_desc.width = 8; + img_desc.height = 8; + img_desc.num_mipmaps = 1; + img_desc.pixel_format = SG_PIXELFORMAT_RGBA8; + img_desc.data.mip_levels[0] = SG_RANGE(pixels); + img_desc.label = "sgl-default-texture"; + _sgl.def_img = sg_make_image(&img_desc); + SOKOL_ASSERT(SG_INVALID_ID != _sgl.def_img.id); + + sg_view_desc view_desc; + _sgl_clear(&view_desc, sizeof(view_desc)); + view_desc.texture.image = _sgl.def_img; + view_desc.label = "sgl-default-texture-view"; + _sgl.def_view = sg_make_view(&view_desc); + SOKOL_ASSERT(SG_INVALID_ID != _sgl.def_view.id); + + sg_sampler_desc smp_desc; + _sgl_clear(&smp_desc, sizeof(smp_desc)); + smp_desc.min_filter = SG_FILTER_NEAREST; + smp_desc.mag_filter = SG_FILTER_NEAREST; + smp_desc.label = "sgl-default-sampler"; + _sgl.def_smp = sg_make_sampler(&smp_desc); + SOKOL_ASSERT(SG_INVALID_ID != _sgl.def_smp.id); + + // one shader for all contexts + sg_shader_desc shd_desc; + _sgl_clear(&shd_desc, sizeof(shd_desc)); + shd_desc.attrs[0].glsl_name = "position"; + shd_desc.attrs[1].glsl_name = "texcoord0"; + shd_desc.attrs[2].glsl_name = "color0"; + shd_desc.attrs[3].glsl_name = "psize"; + shd_desc.attrs[0].hlsl_sem_name = "TEXCOORD"; + shd_desc.attrs[0].hlsl_sem_index = 0; + shd_desc.attrs[1].hlsl_sem_name = "TEXCOORD"; + shd_desc.attrs[1].hlsl_sem_index = 1; + shd_desc.attrs[2].hlsl_sem_name = "TEXCOORD"; + shd_desc.attrs[2].hlsl_sem_index = 2; + shd_desc.attrs[3].hlsl_sem_name = "TEXCOORD"; + shd_desc.attrs[3].hlsl_sem_index = 3; + shd_desc.uniform_blocks[0].stage = SG_SHADERSTAGE_VERTEX; + shd_desc.uniform_blocks[0].size = sizeof(_sgl_uniform_t); + shd_desc.uniform_blocks[0].hlsl_register_b_n = 0; + shd_desc.uniform_blocks[0].msl_buffer_n = 0; + shd_desc.uniform_blocks[0].wgsl_group0_binding_n = 0; + shd_desc.uniform_blocks[0].glsl_uniforms[0].glsl_name = "vs_params"; + shd_desc.uniform_blocks[0].glsl_uniforms[0].type = SG_UNIFORMTYPE_FLOAT4; + shd_desc.uniform_blocks[0].glsl_uniforms[0].array_count = 8; + shd_desc.views[0].texture.stage = SG_SHADERSTAGE_FRAGMENT; + shd_desc.views[0].texture.image_type = SG_IMAGETYPE_2D; + shd_desc.views[0].texture.sample_type = SG_IMAGESAMPLETYPE_FLOAT; + shd_desc.views[0].texture.hlsl_register_t_n = 0; + shd_desc.views[0].texture.msl_texture_n = 0; + shd_desc.views[0].texture.wgsl_group1_binding_n = 64; + shd_desc.samplers[0].stage = SG_SHADERSTAGE_FRAGMENT; + shd_desc.samplers[0].sampler_type = SG_SAMPLERTYPE_FILTERING; + shd_desc.samplers[0].hlsl_register_s_n = 0; + shd_desc.samplers[0].msl_sampler_n = 0; + shd_desc.samplers[0].wgsl_group1_binding_n = 80; + shd_desc.texture_sampler_pairs[0].stage = SG_SHADERSTAGE_FRAGMENT; + shd_desc.texture_sampler_pairs[0].view_slot = 0; + shd_desc.texture_sampler_pairs[0].sampler_slot = 0; + shd_desc.texture_sampler_pairs[0].glsl_name = "tex_smp"; + shd_desc.label = "sgl-shader"; + #if defined(SOKOL_GLCORE) + shd_desc.vertex_func.source = (const char*)_sgl_vs_source_glsl410; + shd_desc.fragment_func.source = (const char*)_sgl_fs_source_glsl410; + #elif defined(SOKOL_GLES3) + shd_desc.vertex_func.source = (const char*)_sgl_vs_source_glsl300es; + shd_desc.fragment_func.source = (const char*)_sgl_fs_source_glsl300es; + #elif defined(SOKOL_METAL) + shd_desc.vertex_func.entry = "main0"; + shd_desc.fragment_func.entry = "main0"; + switch (sg_query_backend()) { + case SG_BACKEND_METAL_MACOS: + shd_desc.vertex_func.bytecode = SG_RANGE(_sgl_vs_bytecode_metal_macos); + shd_desc.fragment_func.bytecode = SG_RANGE(_sgl_fs_bytecode_metal_macos); + break; + case SG_BACKEND_METAL_IOS: + shd_desc.vertex_func.bytecode = SG_RANGE(_sgl_vs_bytecode_metal_ios); + shd_desc.fragment_func.bytecode = SG_RANGE(_sgl_fs_bytecode_metal_ios); + break; + default: + shd_desc.vertex_func.source = (const char*)_sgl_vs_source_metal_sim; + shd_desc.fragment_func.source = (const char*)_sgl_fs_source_metal_sim; + break; + } + #elif defined(SOKOL_D3D11) + shd_desc.vertex_func.bytecode = SG_RANGE(_sgl_vs_bytecode_hlsl4); + shd_desc.fragment_func.bytecode = SG_RANGE(_sgl_fs_bytecode_hlsl4); + #elif defined(SOKOL_WGPU) + shd_desc.vertex_func.source = (const char*)_sgl_vs_source_wgsl; + shd_desc.fragment_func.source = (const char*)_sgl_fs_source_wgsl; + #else + shd_desc.vertex_func.source = _sgl_vs_source_dummy; + shd_desc.fragment_func.source = _sgl_fs_source_dummy; + #endif + _sgl.shd = sg_make_shader(&shd_desc); + SOKOL_ASSERT(SG_INVALID_ID != _sgl.shd.id); + sg_pop_debug_group(); +} + +// discard resources which are shared between all contexts +static void _sgl_discard_common(void) { + sg_push_debug_group("sokol-gl"); + sg_destroy_view(_sgl.def_view); + sg_destroy_image(_sgl.def_img); + sg_destroy_sampler(_sgl.def_smp); + sg_destroy_shader(_sgl.shd); + sg_pop_debug_group(); +} + +static bool _sgl_is_default_context(sgl_context ctx_id) { + return ctx_id.id == SGL_DEFAULT_CONTEXT.id; +} + +static void _sgl_draw(_sgl_context_t* ctx, int layer_id) { + SOKOL_ASSERT(ctx); + if ((ctx->vertices.next > 0) && (ctx->commands.next > 0)) { + sg_push_debug_group("sokol-gl"); + + uint32_t cur_pip_id = SG_INVALID_ID; + uint32_t cur_tex_id = SG_INVALID_ID; + uint32_t cur_smp_id = SG_INVALID_ID; + int cur_uniform_index = -1; + + if (ctx->update_frame_id != ctx->frame_id) { + ctx->update_frame_id = ctx->frame_id; + const sg_range range = { ctx->vertices.ptr, (size_t)ctx->vertices.next * sizeof(_sgl_vertex_t) }; + sg_update_buffer(ctx->vbuf, &range); + } + + // render all successfully recorded commands (this may be less than the + // issued commands if we're in an error state) + for (int i = 0; i < ctx->commands.next; i++) { + const _sgl_command_t* cmd = &ctx->commands.ptr[i]; + if (cmd->layer_id != layer_id) { + continue; + } + switch (cmd->cmd) { + case SGL_COMMAND_VIEWPORT: + { + const _sgl_viewport_args_t* args = &cmd->args.viewport; + sg_apply_viewport(args->x, args->y, args->w, args->h, args->origin_top_left); + } + break; + case SGL_COMMAND_SCISSOR_RECT: + { + const _sgl_scissor_rect_args_t* args = &cmd->args.scissor_rect; + sg_apply_scissor_rect(args->x, args->y, args->w, args->h, args->origin_top_left); + } + break; + case SGL_COMMAND_DRAW: + { + const _sgl_draw_args_t* args = &cmd->args.draw; + if (args->pip.id != cur_pip_id) { + sg_apply_pipeline(args->pip); + cur_pip_id = args->pip.id; + // when pipeline changes, also need to re-apply uniforms and bindings + cur_tex_id = SG_INVALID_ID; + cur_smp_id = SG_INVALID_ID; + cur_uniform_index = -1; + } + if ((cur_tex_id != args->view.id) || (cur_smp_id != args->smp.id)) { + ctx->bind.views[0] = args->view; + ctx->bind.samplers[0] = args->smp; + sg_apply_bindings(&ctx->bind); + cur_tex_id = args->view.id; + cur_smp_id = args->smp.id; + } + if (cur_uniform_index != args->uniform_index) { + const sg_range ub_range = { &ctx->uniforms.ptr[args->uniform_index], sizeof(_sgl_uniform_t) }; + sg_apply_uniforms(0, &ub_range); + cur_uniform_index = args->uniform_index; + } + // FIXME: what if number of vertices doesn't match the primitive type? + if (args->num_vertices > 0) { + sg_draw(args->base_vertex, args->num_vertices, 1); + } + } + break; + } + } + sg_pop_debug_group(); + } +} + +static sgl_context_desc_t _sgl_as_context_desc(const sgl_desc_t* desc) { + sgl_context_desc_t ctx_desc; + _sgl_clear(&ctx_desc, sizeof(ctx_desc)); + ctx_desc.max_vertices = desc->max_vertices; + ctx_desc.max_commands = desc->max_commands; + ctx_desc.color_format = desc->color_format; + ctx_desc.depth_format = desc->depth_format; + ctx_desc.sample_count = desc->sample_count; + return ctx_desc; +} + +// ██████ ██ ██ ██████ ██ ██ ██████ +// ██ ██ ██ ██ ██ ██ ██ ██ ██ +// ██████ ██ ██ ██████ ██ ██ ██ +// ██ ██ ██ ██ ██ ██ ██ ██ +// ██ ██████ ██████ ███████ ██ ██████ +// +// >>public +SOKOL_API_IMPL void sgl_setup(const sgl_desc_t* desc) { + SOKOL_ASSERT(desc); + _sgl_clear(&_sgl, sizeof(_sgl)); + _sgl.init_cookie = _SGL_INIT_COOKIE; + _sgl.desc = _sgl_desc_defaults(desc); + _sgl_setup_pipeline_pool(_sgl.desc.pipeline_pool_size); + _sgl_setup_context_pool(_sgl.desc.context_pool_size); + _sgl_setup_common(); + const sgl_context_desc_t ctx_desc = _sgl_as_context_desc(&_sgl.desc); + _sgl.def_ctx_id = sgl_make_context(&ctx_desc); + SOKOL_ASSERT(SGL_DEFAULT_CONTEXT.id == _sgl.def_ctx_id.id); + sgl_set_context(_sgl.def_ctx_id); +} + +SOKOL_API_IMPL void sgl_shutdown(void) { + SOKOL_ASSERT(_SGL_INIT_COOKIE == _sgl.init_cookie); + // contexts own a pipeline, so destroy contexts before pipelines + for (int i = 0; i < _sgl.context_pool.pool.size; i++) { + _sgl_context_t* ctx = &_sgl.context_pool.contexts[i]; + _sgl_destroy_context(_sgl_make_ctx_id(ctx->slot.id)); + } + for (int i = 0; i < _sgl.pip_pool.pool.size; i++) { + _sgl_pipeline_t* pip = &_sgl.pip_pool.pips[i]; + _sgl_destroy_pipeline(_sgl_make_pip_id(pip->slot.id)); + } + _sgl_discard_context_pool(); + _sgl_discard_pipeline_pool(); + _sgl_discard_common(); + _sgl.init_cookie = 0; +} + +SOKOL_API_IMPL sgl_error_t sgl_error(void) { + _sgl_context_t* ctx = _sgl.cur_ctx; + if (ctx) { + return ctx->error; + } else { + sgl_error_t err = _sgl_error_defaults(); + err.no_context = true; + err.any = true; + return err; + } +} + +SOKOL_API_IMPL sgl_error_t sgl_context_error(sgl_context ctx_id) { + const _sgl_context_t* ctx = _sgl_lookup_context(ctx_id.id); + if (ctx) { + return ctx->error; + } else { + sgl_error_t err = _sgl_error_defaults(); + err.no_context = true; + err.any = true; + return err; + } +} + +SOKOL_API_IMPL float sgl_rad(float deg) { + return (deg * (float)M_PI) / 180.0f; +} + +SOKOL_API_IMPL float sgl_deg(float rad) { + return (rad * 180.0f) / (float)M_PI; +} + +SOKOL_API_IMPL sgl_context sgl_make_context(const sgl_context_desc_t* desc) { + SOKOL_ASSERT(_SGL_INIT_COOKIE == _sgl.init_cookie); + return _sgl_make_context(desc); +} + +SOKOL_API_IMPL void sgl_destroy_context(sgl_context ctx_id) { + SOKOL_ASSERT(_SGL_INIT_COOKIE == _sgl.init_cookie); + if (_sgl_is_default_context(ctx_id)) { + _SGL_WARN(CANNOT_DESTROY_DEFAULT_CONTEXT); + return; + } + _sgl_destroy_context(ctx_id); + // re-validate the current context pointer (this will return a nullptr + // if we just destroyed the current context) + _sgl.cur_ctx = _sgl_lookup_context(_sgl.cur_ctx_id.id); +} + +SOKOL_API_IMPL void sgl_set_context(sgl_context ctx_id) { + SOKOL_ASSERT(_SGL_INIT_COOKIE == _sgl.init_cookie); + if (_sgl_is_default_context(ctx_id)) { + _sgl.cur_ctx_id = _sgl.def_ctx_id; + } else { + _sgl.cur_ctx_id = ctx_id; + } + // this will return null if the handle isn't valid + _sgl.cur_ctx = _sgl_lookup_context(_sgl.cur_ctx_id.id); +} + +SOKOL_API_IMPL sgl_context sgl_get_context(void) { + SOKOL_ASSERT(_SGL_INIT_COOKIE == _sgl.init_cookie); + return _sgl.cur_ctx_id; +} + +SOKOL_API_IMPL sgl_context sgl_default_context(void) { + return SGL_DEFAULT_CONTEXT; +} + +SOKOL_API_IMPL int sgl_num_vertices(void) { + SOKOL_ASSERT(_SGL_INIT_COOKIE == _sgl.init_cookie); + _sgl_context_t* ctx = _sgl.cur_ctx; + if (ctx) { + return _sgl_num_vertices(ctx); + } else { + return 0; + } +} + +SOKOL_API_IMPL int sgl_num_commands(void) { + SOKOL_ASSERT(_SGL_INIT_COOKIE == _sgl.init_cookie); + _sgl_context_t* ctx = _sgl.cur_ctx; + if (ctx) { + return _sgl_num_commands(ctx); + } else { + return 0; + } +} + +SOKOL_API_IMPL sgl_pipeline sgl_make_pipeline(const sg_pipeline_desc* desc) { + SOKOL_ASSERT(_SGL_INIT_COOKIE == _sgl.init_cookie); + _sgl_context_t* ctx = _sgl.cur_ctx; + if (ctx) { + return _sgl_make_pipeline(desc, &ctx->desc); + } else { + return _sgl_make_pip_id(SG_INVALID_ID); + } +} + +SOKOL_API_IMPL sgl_pipeline sgl_context_make_pipeline(sgl_context ctx_id, const sg_pipeline_desc* desc) { + SOKOL_ASSERT(_SGL_INIT_COOKIE == _sgl.init_cookie); + const _sgl_context_t* ctx = _sgl_lookup_context(ctx_id.id); + if (ctx) { + return _sgl_make_pipeline(desc, &ctx->desc); + } else { + return _sgl_make_pip_id(SG_INVALID_ID); + } +} + +SOKOL_API_IMPL void sgl_destroy_pipeline(sgl_pipeline pip_id) { + SOKOL_ASSERT(_SGL_INIT_COOKIE == _sgl.init_cookie); + _sgl_destroy_pipeline(pip_id); +} + +SOKOL_API_IMPL void sgl_load_pipeline(sgl_pipeline pip_id) { + SOKOL_ASSERT(_SGL_INIT_COOKIE == _sgl.init_cookie); + _sgl_context_t* ctx = _sgl.cur_ctx; + if (!ctx) { + return; + } + SOKOL_ASSERT((ctx->pip_tos >= 0) && (ctx->pip_tos < _SGL_MAX_STACK_DEPTH)); + ctx->pip_stack[ctx->pip_tos] = pip_id; +} + +SOKOL_API_IMPL void sgl_load_default_pipeline(void) { + SOKOL_ASSERT(_SGL_INIT_COOKIE == _sgl.init_cookie); + _sgl_context_t* ctx = _sgl.cur_ctx; + if (!ctx) { + return; + } + SOKOL_ASSERT((ctx->pip_tos >= 0) && (ctx->pip_tos < _SGL_MAX_STACK_DEPTH)); + ctx->pip_stack[ctx->pip_tos] = ctx->def_pip; +} + +SOKOL_API_IMPL void sgl_push_pipeline(void) { + SOKOL_ASSERT(_SGL_INIT_COOKIE == _sgl.init_cookie); + _sgl_context_t* ctx = _sgl.cur_ctx; + if (!ctx) { + return; + } + if (ctx->pip_tos < (_SGL_MAX_STACK_DEPTH - 1)) { + ctx->pip_tos++; + ctx->pip_stack[ctx->pip_tos] = ctx->pip_stack[ctx->pip_tos-1]; + } else { + ctx->error.stack_overflow = true; + ctx->error.any = true; + } +} + +SOKOL_API_IMPL void sgl_pop_pipeline(void) { + SOKOL_ASSERT(_SGL_INIT_COOKIE == _sgl.init_cookie); + _sgl_context_t* ctx = _sgl.cur_ctx; + if (!ctx) { + return; + } + if (ctx->pip_tos > 0) { + ctx->pip_tos--; + } else { + ctx->error.stack_underflow = true; + ctx->error.any = true; + } +} + +SOKOL_API_IMPL void sgl_defaults(void) { + SOKOL_ASSERT(_SGL_INIT_COOKIE == _sgl.init_cookie); + _sgl_context_t* ctx = _sgl.cur_ctx; + if (!ctx) { + return; + } + SOKOL_ASSERT(!ctx->in_begin); + ctx->u = 0.0f; ctx->v = 0.0f; + ctx->rgba = 0xFFFFFFFF; + ctx->point_size = 1.0f; + ctx->texturing_enabled = false; + ctx->cur_view = _sgl.def_view; + ctx->cur_smp = _sgl.def_smp; + sgl_load_default_pipeline(); + _sgl_identity(_sgl_matrix_texture(ctx)); + _sgl_identity(_sgl_matrix_modelview(ctx)); + _sgl_identity(_sgl_matrix_projection(ctx)); + ctx->cur_matrix_mode = SGL_MATRIXMODE_MODELVIEW; + ctx->matrix_dirty = true; +} + +SOKOL_API_IMPL void sgl_layer(int layer_id) { + SOKOL_ASSERT(_SGL_INIT_COOKIE == _sgl.init_cookie); + _sgl_context_t* ctx = _sgl.cur_ctx; + if (!ctx) { + return; + } + SOKOL_ASSERT(!ctx->in_begin); + ctx->layer_id = layer_id; +} + +SOKOL_API_IMPL void sgl_viewport(int x, int y, int w, int h, bool origin_top_left) { + SOKOL_ASSERT(_SGL_INIT_COOKIE == _sgl.init_cookie); + _sgl_context_t* ctx = _sgl.cur_ctx; + if (!ctx) { + return; + } + SOKOL_ASSERT(!ctx->in_begin); + _sgl_command_t* cmd = _sgl_next_command(ctx); + if (cmd) { + cmd->cmd = SGL_COMMAND_VIEWPORT; + cmd->layer_id = ctx->layer_id; + cmd->args.viewport.x = x; + cmd->args.viewport.y = y; + cmd->args.viewport.w = w; + cmd->args.viewport.h = h; + cmd->args.viewport.origin_top_left = origin_top_left; + } +} + +SOKOL_API_IMPL void sgl_viewportf(float x, float y, float w, float h, bool origin_top_left) { + sgl_viewport((int)x, (int)y, (int)w, (int)h, origin_top_left); +} + +SOKOL_API_IMPL void sgl_scissor_rect(int x, int y, int w, int h, bool origin_top_left) { + SOKOL_ASSERT(_SGL_INIT_COOKIE == _sgl.init_cookie); + _sgl_context_t* ctx = _sgl.cur_ctx; + if (!ctx) { + return; + } + SOKOL_ASSERT(!ctx->in_begin); + _sgl_command_t* cmd = _sgl_next_command(ctx); + if (cmd) { + cmd->cmd = SGL_COMMAND_SCISSOR_RECT; + cmd->layer_id = ctx->layer_id; + cmd->args.scissor_rect.x = x; + cmd->args.scissor_rect.y = y; + cmd->args.scissor_rect.w = w; + cmd->args.scissor_rect.h = h; + cmd->args.scissor_rect.origin_top_left = origin_top_left; + } +} + +SOKOL_API_IMPL void sgl_scissor_rectf(float x, float y, float w, float h, bool origin_top_left) { + sgl_scissor_rect((int)x, (int)y, (int)w, (int)h, origin_top_left); +} + +SOKOL_API_IMPL void sgl_enable_texture(void) { + SOKOL_ASSERT(_SGL_INIT_COOKIE == _sgl.init_cookie); + _sgl_context_t* ctx = _sgl.cur_ctx; + if (!ctx) { + return; + } + SOKOL_ASSERT(!ctx->in_begin); + ctx->texturing_enabled = true; +} + +SOKOL_API_IMPL void sgl_disable_texture(void) { + SOKOL_ASSERT(_SGL_INIT_COOKIE == _sgl.init_cookie); + _sgl_context_t* ctx = _sgl.cur_ctx; + if (!ctx) { + return; + } + SOKOL_ASSERT(!ctx->in_begin); + ctx->texturing_enabled = false; +} + +SOKOL_API_IMPL void sgl_texture(sg_view tex_view, sg_sampler smp) { + SOKOL_ASSERT(_SGL_INIT_COOKIE == _sgl.init_cookie); + _sgl_context_t* ctx = _sgl.cur_ctx; + if (!ctx) { + return; + } + SOKOL_ASSERT(!ctx->in_begin); + if (SG_INVALID_ID != tex_view.id) { + ctx->cur_view = tex_view; + } else { + ctx->cur_view = _sgl.def_view; + } + if (SG_INVALID_ID != smp.id) { + ctx->cur_smp = smp; + } else { + ctx->cur_smp = _sgl.def_smp; + } +} + +SOKOL_API_IMPL void sgl_begin_points(void) { + SOKOL_ASSERT(_SGL_INIT_COOKIE == _sgl.init_cookie); + _sgl_context_t* ctx = _sgl.cur_ctx; + if (!ctx) { + return; + } + SOKOL_ASSERT(!ctx->in_begin); + _sgl_begin(ctx, SGL_PRIMITIVETYPE_POINTS); +} + +SOKOL_API_IMPL void sgl_begin_lines(void) { + SOKOL_ASSERT(_SGL_INIT_COOKIE == _sgl.init_cookie); + _sgl_context_t* ctx = _sgl.cur_ctx; + if (!ctx) { + return; + } + SOKOL_ASSERT(!ctx->in_begin); + _sgl_begin(ctx, SGL_PRIMITIVETYPE_LINES); +} + +SOKOL_API_IMPL void sgl_begin_line_strip(void) { + SOKOL_ASSERT(_SGL_INIT_COOKIE == _sgl.init_cookie); + _sgl_context_t* ctx = _sgl.cur_ctx; + if (!ctx) { + return; + } + SOKOL_ASSERT(!ctx->in_begin); + _sgl_begin(ctx, SGL_PRIMITIVETYPE_LINE_STRIP); +} + +SOKOL_API_IMPL void sgl_begin_triangles(void) { + SOKOL_ASSERT(_SGL_INIT_COOKIE == _sgl.init_cookie); + _sgl_context_t* ctx = _sgl.cur_ctx; + if (!ctx) { + return; + } + SOKOL_ASSERT(!ctx->in_begin); + _sgl_begin(ctx, SGL_PRIMITIVETYPE_TRIANGLES); +} + +SOKOL_API_IMPL void sgl_begin_triangle_strip(void) { + SOKOL_ASSERT(_SGL_INIT_COOKIE == _sgl.init_cookie); + _sgl_context_t* ctx = _sgl.cur_ctx; + if (!ctx) { + return; + } + SOKOL_ASSERT(!ctx->in_begin); + _sgl_begin(ctx, SGL_PRIMITIVETYPE_TRIANGLE_STRIP); +} + +SOKOL_API_IMPL void sgl_begin_quads(void) { + SOKOL_ASSERT(_SGL_INIT_COOKIE == _sgl.init_cookie); + _sgl_context_t* ctx = _sgl.cur_ctx; + if (!ctx) { + return; + } + SOKOL_ASSERT(!ctx->in_begin); + _sgl_begin(ctx, SGL_PRIMITIVETYPE_QUADS); +} + +SOKOL_API_IMPL void sgl_end(void) { + SOKOL_ASSERT(_SGL_INIT_COOKIE == _sgl.init_cookie); + _sgl_context_t* ctx = _sgl.cur_ctx; + if (!ctx) { + return; + } + SOKOL_ASSERT(ctx->in_begin); + SOKOL_ASSERT(ctx->vertices.next >= ctx->base_vertex); + ctx->in_begin = false; + + bool matrix_dirty = ctx->matrix_dirty; + if (matrix_dirty) { + ctx->matrix_dirty = false; + _sgl_uniform_t* uni = _sgl_next_uniform(ctx); + if (uni) { + _sgl_matmul4(&uni->mvp, _sgl_matrix_projection(ctx), _sgl_matrix_modelview(ctx)); + uni->tm = *_sgl_matrix_texture(ctx); + } + } + + // don't record any new commands when we're in an error state + if (ctx->error.any) { + return; + } + + // check if command can be merged with current command + sg_pipeline pip = _sgl_get_pipeline(ctx->pip_stack[ctx->pip_tos], ctx->cur_prim_type); + sg_view view = ctx->texturing_enabled ? ctx->cur_view : _sgl.def_view; + sg_sampler smp = ctx->texturing_enabled ? ctx->cur_smp : _sgl.def_smp; + _sgl_command_t* cur_cmd = _sgl_cur_command(ctx); + bool merge_cmd = false; + if (cur_cmd) { + if ((cur_cmd->cmd == SGL_COMMAND_DRAW) && + (cur_cmd->layer_id == ctx->layer_id) && + (ctx->cur_prim_type != SGL_PRIMITIVETYPE_LINE_STRIP) && + (ctx->cur_prim_type != SGL_PRIMITIVETYPE_TRIANGLE_STRIP) && + !matrix_dirty && + (cur_cmd->args.draw.view.id == view.id) && + (cur_cmd->args.draw.smp.id == smp.id) && + (cur_cmd->args.draw.pip.id == pip.id)) + { + merge_cmd = true; + } + } + if (merge_cmd) { + // draw command can be merged with the previous command + cur_cmd->args.draw.num_vertices += ctx->vertices.next - ctx->base_vertex; + } else { + // append a new draw command + _sgl_command_t* cmd = _sgl_next_command(ctx); + if (cmd) { + SOKOL_ASSERT(ctx->uniforms.next > 0); + cmd->cmd = SGL_COMMAND_DRAW; + cmd->layer_id = ctx->layer_id; + cmd->args.draw.view = view; + cmd->args.draw.smp = smp; + cmd->args.draw.pip = _sgl_get_pipeline(ctx->pip_stack[ctx->pip_tos], ctx->cur_prim_type); + cmd->args.draw.base_vertex = ctx->base_vertex; + cmd->args.draw.num_vertices = ctx->vertices.next - ctx->base_vertex; + cmd->args.draw.uniform_index = ctx->uniforms.next - 1; + } + } +} + +SOKOL_API_IMPL void sgl_point_size(float s) { + _sgl_context_t* ctx = _sgl.cur_ctx; + if (ctx) { + ctx->point_size = s; + } +} + +SOKOL_API_IMPL void sgl_t2f(float u, float v) { + _sgl_context_t* ctx = _sgl.cur_ctx; + if (ctx) { + ctx->u = u; + ctx->v = v; + } +} + +SOKOL_API_IMPL void sgl_c3f(float r, float g, float b) { + _sgl_context_t* ctx = _sgl.cur_ctx; + if (ctx) { + ctx->rgba = _sgl_pack_rgbaf(r, g, b, 1.0f); + } +} + +SOKOL_API_IMPL void sgl_c4f(float r, float g, float b, float a) { + _sgl_context_t* ctx = _sgl.cur_ctx; + if (ctx) { + ctx->rgba = _sgl_pack_rgbaf(r, g, b, a); + } +} + +SOKOL_API_IMPL void sgl_c3b(uint8_t r, uint8_t g, uint8_t b) { + _sgl_context_t* ctx = _sgl.cur_ctx; + if (ctx) { + ctx->rgba = _sgl_pack_rgbab(r, g, b, 255); + } +} + +SOKOL_API_IMPL void sgl_c4b(uint8_t r, uint8_t g, uint8_t b, uint8_t a) { + _sgl_context_t* ctx = _sgl.cur_ctx; + if (ctx) { + ctx->rgba = _sgl_pack_rgbab(r, g, b, a); + } +} + +SOKOL_API_IMPL void sgl_c1i(uint32_t rgba) { + _sgl_context_t* ctx = _sgl.cur_ctx; + if (ctx) { + ctx->rgba = rgba; + } +} + +SOKOL_API_IMPL void sgl_v2f(float x, float y) { + _sgl_context_t* ctx = _sgl.cur_ctx; + if (ctx) { + _sgl_vtx(ctx, x, y, 0.0f, ctx->u, ctx->v, ctx->rgba); + } +} + +SOKOL_API_IMPL void sgl_v3f(float x, float y, float z) { + _sgl_context_t* ctx = _sgl.cur_ctx; + if (ctx) { + _sgl_vtx(ctx, x, y, z, ctx->u, ctx->v, ctx->rgba); + } +} + +SOKOL_API_IMPL void sgl_v2f_t2f(float x, float y, float u, float v) { + _sgl_context_t* ctx = _sgl.cur_ctx; + if (ctx) { + _sgl_vtx(ctx, x, y, 0.0f, u, v, ctx->rgba); + } +} + +SOKOL_API_IMPL void sgl_v3f_t2f(float x, float y, float z, float u, float v) { + _sgl_context_t* ctx = _sgl.cur_ctx; + if (ctx) { + _sgl_vtx(ctx, x, y, z, u, v, ctx->rgba); + } +} + +SOKOL_API_IMPL void sgl_v2f_c3f(float x, float y, float r, float g, float b) { + _sgl_context_t* ctx = _sgl.cur_ctx; + if (ctx) { + _sgl_vtx(ctx, x, y, 0.0f, ctx->u, ctx->v, _sgl_pack_rgbaf(r, g, b, 1.0f)); + } +} + +SOKOL_API_IMPL void sgl_v2f_c3b(float x, float y, uint8_t r, uint8_t g, uint8_t b) { + _sgl_context_t* ctx = _sgl.cur_ctx; + if (ctx) { + _sgl_vtx(ctx, x, y, 0.0f, ctx->u, ctx->v, _sgl_pack_rgbab(r, g, b, 255)); + } +} + +SOKOL_API_IMPL void sgl_v2f_c4f(float x, float y, float r, float g, float b, float a) { + _sgl_context_t* ctx = _sgl.cur_ctx; + if (ctx) { + _sgl_vtx(ctx, x, y, 0.0f, ctx->u, ctx->v, _sgl_pack_rgbaf(r, g, b, a)); + } +} + +SOKOL_API_IMPL void sgl_v2f_c4b(float x, float y, uint8_t r, uint8_t g, uint8_t b, uint8_t a) { + _sgl_context_t* ctx = _sgl.cur_ctx; + if (ctx) { + _sgl_vtx(ctx, x, y, 0.0f, ctx->u, ctx->v, _sgl_pack_rgbab(r, g, b, a)); + } +} + +SOKOL_API_IMPL void sgl_v2f_c1i(float x, float y, uint32_t rgba) { + _sgl_context_t* ctx = _sgl.cur_ctx; + if (ctx) { + _sgl_vtx(ctx, x, y, 0.0f, ctx->u, ctx->v, rgba); + } +} + +SOKOL_API_IMPL void sgl_v3f_c3f(float x, float y, float z, float r, float g, float b) { + _sgl_context_t* ctx = _sgl.cur_ctx; + if (ctx) { + _sgl_vtx(ctx, x, y, z, ctx->u, ctx->v, _sgl_pack_rgbaf(r, g, b, 1.0f)); + } +} + +SOKOL_API_IMPL void sgl_v3f_c3b(float x, float y, float z, uint8_t r, uint8_t g, uint8_t b) { + _sgl_context_t* ctx = _sgl.cur_ctx; + if (ctx) { + _sgl_vtx(ctx, x, y, z, ctx->u, ctx->v, _sgl_pack_rgbab(r, g, b, 255)); + } +} + +SOKOL_API_IMPL void sgl_v3f_c4f(float x, float y, float z, float r, float g, float b, float a) { + _sgl_context_t* ctx = _sgl.cur_ctx; + if (ctx) { + _sgl_vtx(ctx, x, y, z, ctx->u, ctx->v, _sgl_pack_rgbaf(r, g, b, a)); + } +} + +SOKOL_API_IMPL void sgl_v3f_c4b(float x, float y, float z, uint8_t r, uint8_t g, uint8_t b, uint8_t a) { + _sgl_context_t* ctx = _sgl.cur_ctx; + if (ctx) { + _sgl_vtx(ctx, x, y, z, ctx->u, ctx->v, _sgl_pack_rgbab(r, g, b, a)); + } +} + +SOKOL_API_IMPL void sgl_v3f_c1i(float x, float y, float z, uint32_t rgba) { + _sgl_context_t* ctx = _sgl.cur_ctx; + if (ctx) { + _sgl_vtx(ctx, x, y, z, ctx->u, ctx->v, rgba); + } +} + +SOKOL_API_IMPL void sgl_v2f_t2f_c3f(float x, float y, float u, float v, float r, float g, float b) { + _sgl_context_t* ctx = _sgl.cur_ctx; + if (ctx) { + _sgl_vtx(ctx, x, y, 0.0f, u, v, _sgl_pack_rgbaf(r, g, b, 1.0f)); + } +} + +SOKOL_API_IMPL void sgl_v2f_t2f_c3b(float x, float y, float u, float v, uint8_t r, uint8_t g, uint8_t b) { + _sgl_context_t* ctx = _sgl.cur_ctx; + if (ctx) { + _sgl_vtx(ctx, x, y, 0.0f, u, v, _sgl_pack_rgbab(r, g, b, 255)); + } +} + +SOKOL_API_IMPL void sgl_v2f_t2f_c4f(float x, float y, float u, float v, float r, float g, float b, float a) { + _sgl_context_t* ctx = _sgl.cur_ctx; + if (ctx) { + _sgl_vtx(ctx, x, y, 0.0f, u, v, _sgl_pack_rgbaf(r, g, b, a)); + } +} + +SOKOL_API_IMPL void sgl_v2f_t2f_c4b(float x, float y, float u, float v, uint8_t r, uint8_t g, uint8_t b, uint8_t a) { + _sgl_context_t* ctx = _sgl.cur_ctx; + if (ctx) { + _sgl_vtx(ctx, x, y, 0.0f, u, v, _sgl_pack_rgbab(r, g, b, a)); + } +} + +SOKOL_API_IMPL void sgl_v2f_t2f_c1i(float x, float y, float u, float v, uint32_t rgba) { + _sgl_context_t* ctx = _sgl.cur_ctx; + if (ctx) { + _sgl_vtx(ctx, x, y, 0.0f, u, v, rgba); + } +} + +SOKOL_API_IMPL void sgl_v3f_t2f_c3f(float x, float y, float z, float u, float v, float r, float g, float b) { + _sgl_context_t* ctx = _sgl.cur_ctx; + if (ctx) { + _sgl_vtx(ctx, x, y, z, u, v, _sgl_pack_rgbaf(r, g, b, 1.0f)); + } +} + +SOKOL_API_IMPL void sgl_v3f_t2f_c3b(float x, float y, float z, float u, float v, uint8_t r, uint8_t g, uint8_t b) { + _sgl_context_t* ctx = _sgl.cur_ctx; + if (ctx) { + _sgl_vtx(ctx, x, y, z, u, v, _sgl_pack_rgbab(r, g, b, 255)); + } +} + +SOKOL_API_IMPL void sgl_v3f_t2f_c4f(float x, float y, float z, float u, float v, float r, float g, float b, float a) { + _sgl_context_t* ctx = _sgl.cur_ctx; + if (ctx) { + _sgl_vtx(ctx, x, y, z, u, v, _sgl_pack_rgbaf(r, g, b, a)); + } +} + +SOKOL_API_IMPL void sgl_v3f_t2f_c4b(float x, float y, float z, float u, float v, uint8_t r, uint8_t g, uint8_t b, uint8_t a) { + _sgl_context_t* ctx = _sgl.cur_ctx; + if (ctx) { + _sgl_vtx(ctx, x, y, z, u, v, _sgl_pack_rgbab(r, g, b, a)); + } +} + +SOKOL_API_IMPL void sgl_v3f_t2f_c1i(float x, float y, float z, float u, float v, uint32_t rgba) { + _sgl_context_t* ctx = _sgl.cur_ctx; + if (ctx) { + _sgl_vtx(ctx,x, y, z, u, v, rgba); + } +} + +SOKOL_API_IMPL void sgl_matrix_mode_modelview(void) { + SOKOL_ASSERT(_SGL_INIT_COOKIE == _sgl.init_cookie); + _sgl_context_t* ctx = _sgl.cur_ctx; + if (ctx) { + ctx->cur_matrix_mode = SGL_MATRIXMODE_MODELVIEW; + } +} + +SOKOL_API_IMPL void sgl_matrix_mode_projection(void) { + SOKOL_ASSERT(_SGL_INIT_COOKIE == _sgl.init_cookie); + _sgl_context_t* ctx = _sgl.cur_ctx; + if (ctx) { + ctx->cur_matrix_mode = SGL_MATRIXMODE_PROJECTION; + } +} + +SOKOL_API_IMPL void sgl_matrix_mode_texture(void) { + SOKOL_ASSERT(_SGL_INIT_COOKIE == _sgl.init_cookie); + _sgl_context_t* ctx = _sgl.cur_ctx; + if (ctx) { + ctx->cur_matrix_mode = SGL_MATRIXMODE_TEXTURE; + } +} + +SOKOL_API_IMPL void sgl_load_identity(void) { + SOKOL_ASSERT(_SGL_INIT_COOKIE == _sgl.init_cookie); + _sgl_context_t* ctx = _sgl.cur_ctx; + if (!ctx) { + return; + } + ctx->matrix_dirty = true; + _sgl_identity(_sgl_matrix(ctx)); +} + +SOKOL_API_IMPL void sgl_load_matrix(const float m[16]) { + SOKOL_ASSERT(_SGL_INIT_COOKIE == _sgl.init_cookie); + _sgl_context_t* ctx = _sgl.cur_ctx; + if (!ctx) { + return; + } + ctx->matrix_dirty = true; + memcpy(&_sgl_matrix(ctx)->v[0][0], &m[0], 64); +} + +SOKOL_API_IMPL void sgl_load_transpose_matrix(const float m[16]) { + SOKOL_ASSERT(_SGL_INIT_COOKIE == _sgl.init_cookie); + _sgl_context_t* ctx = _sgl.cur_ctx; + if (!ctx) { + return; + } + ctx->matrix_dirty = true; + _sgl_transpose(_sgl_matrix(ctx), (const _sgl_matrix_t*) &m[0]); +} + +SOKOL_API_IMPL void sgl_mult_matrix(const float m[16]) { + SOKOL_ASSERT(_SGL_INIT_COOKIE == _sgl.init_cookie); + _sgl_context_t* ctx = _sgl.cur_ctx; + if (!ctx) { + return; + } + ctx->matrix_dirty = true; + const _sgl_matrix_t* m0 = (const _sgl_matrix_t*) &m[0]; + _sgl_mul(_sgl_matrix(ctx), m0); +} + +SOKOL_API_IMPL void sgl_mult_transpose_matrix(const float m[16]) { + SOKOL_ASSERT(_SGL_INIT_COOKIE == _sgl.init_cookie); + _sgl_context_t* ctx = _sgl.cur_ctx; + if (!ctx) { + return; + } + ctx->matrix_dirty = true; + _sgl_matrix_t m0; + _sgl_transpose(&m0, (const _sgl_matrix_t*) &m[0]); + _sgl_mul(_sgl_matrix(ctx), &m0); +} + +SOKOL_API_IMPL void sgl_rotate(float angle_rad, float x, float y, float z) { + SOKOL_ASSERT(_SGL_INIT_COOKIE == _sgl.init_cookie); + _sgl_context_t* ctx = _sgl.cur_ctx; + if (!ctx) { + return; + } + ctx->matrix_dirty = true; + _sgl_rotate(_sgl_matrix(ctx), angle_rad, x, y, z); +} + +SOKOL_API_IMPL void sgl_scale(float x, float y, float z) { + SOKOL_ASSERT(_SGL_INIT_COOKIE == _sgl.init_cookie); + _sgl_context_t* ctx = _sgl.cur_ctx; + if (!ctx) { + return; + } + ctx->matrix_dirty = true; + _sgl_scale(_sgl_matrix(ctx), x, y, z); +} + +SOKOL_API_IMPL void sgl_translate(float x, float y, float z) { + SOKOL_ASSERT(_SGL_INIT_COOKIE == _sgl.init_cookie); + _sgl_context_t* ctx = _sgl.cur_ctx; + if (!ctx) { + return; + } + ctx->matrix_dirty = true; + _sgl_translate(_sgl_matrix(ctx), x, y, z); +} + +SOKOL_API_IMPL void sgl_frustum(float l, float r, float b, float t, float n, float f) { + SOKOL_ASSERT(_SGL_INIT_COOKIE == _sgl.init_cookie); + _sgl_context_t* ctx = _sgl.cur_ctx; + if (!ctx) { + return; + } + ctx->matrix_dirty = true; + _sgl_frustum(_sgl_matrix(ctx), l, r, b, t, n, f); +} + +SOKOL_API_IMPL void sgl_ortho(float l, float r, float b, float t, float n, float f) { + SOKOL_ASSERT(_SGL_INIT_COOKIE == _sgl.init_cookie); + _sgl_context_t* ctx = _sgl.cur_ctx; + if (!ctx) { + return; + } + ctx->matrix_dirty = true; + _sgl_ortho(_sgl_matrix(ctx), l, r, b, t, n, f); +} + +SOKOL_API_IMPL void sgl_perspective(float fov_y, float aspect, float z_near, float z_far) { + SOKOL_ASSERT(_SGL_INIT_COOKIE == _sgl.init_cookie); + _sgl_context_t* ctx = _sgl.cur_ctx; + if (!ctx) { + return; + } + ctx->matrix_dirty = true; + _sgl_perspective(_sgl_matrix(ctx), fov_y, aspect, z_near, z_far); +} + +SOKOL_API_IMPL void sgl_lookat(float eye_x, float eye_y, float eye_z, float center_x, float center_y, float center_z, float up_x, float up_y, float up_z) { + SOKOL_ASSERT(_SGL_INIT_COOKIE == _sgl.init_cookie); + _sgl_context_t* ctx = _sgl.cur_ctx; + if (!ctx) { + return; + } + ctx->matrix_dirty = true; + _sgl_lookat(_sgl_matrix(ctx), eye_x, eye_y, eye_z, center_x, center_y, center_z, up_x, up_y, up_z); +} + +SOKOL_GL_API_DECL void sgl_push_matrix(void) { + SOKOL_ASSERT(_SGL_INIT_COOKIE == _sgl.init_cookie); + _sgl_context_t* ctx = _sgl.cur_ctx; + if (!ctx) { + return; + } + SOKOL_ASSERT((ctx->cur_matrix_mode >= 0) && (ctx->cur_matrix_mode < SGL_NUM_MATRIXMODES)); + ctx->matrix_dirty = true; + if (ctx->matrix_tos[ctx->cur_matrix_mode] < (_SGL_MAX_STACK_DEPTH - 1)) { + const _sgl_matrix_t* src = _sgl_matrix(ctx); + ctx->matrix_tos[ctx->cur_matrix_mode]++; + _sgl_matrix_t* dst = _sgl_matrix(ctx); + *dst = *src; + } else { + ctx->error.stack_overflow = true; + ctx->error.any = true; + } +} + +SOKOL_GL_API_DECL void sgl_pop_matrix(void) { + SOKOL_ASSERT(_SGL_INIT_COOKIE == _sgl.init_cookie); + _sgl_context_t* ctx = _sgl.cur_ctx; + if (!ctx) { + return; + } + SOKOL_ASSERT((ctx->cur_matrix_mode >= 0) && (ctx->cur_matrix_mode < SGL_NUM_MATRIXMODES)); + ctx->matrix_dirty = true; + if (ctx->matrix_tos[ctx->cur_matrix_mode] > 0) { + ctx->matrix_tos[ctx->cur_matrix_mode]--; + } else { + ctx->error.stack_underflow = true; + ctx->error.any = true; + } +} + +SOKOL_API_IMPL void sgl_draw(void) { + SOKOL_ASSERT(_SGL_INIT_COOKIE == _sgl.init_cookie); + _sgl_context_t* ctx = _sgl.cur_ctx; + if (ctx) { + _sgl_draw(ctx, 0); + } +} + +SOKOL_API_IMPL void sgl_draw_layer(int layer_id) { + SOKOL_ASSERT(_SGL_INIT_COOKIE == _sgl.init_cookie); + _sgl_context_t* ctx = _sgl.cur_ctx; + if (ctx) { + _sgl_draw(ctx, layer_id); + } +} + +SOKOL_API_IMPL void sgl_context_draw(sgl_context ctx_id) { + SOKOL_ASSERT(_SGL_INIT_COOKIE == _sgl.init_cookie); + _sgl_context_t* ctx = _sgl_lookup_context(ctx_id.id); + if (ctx) { + _sgl_draw(ctx, 0); + } +} + +SOKOL_API_IMPL void sgl_context_draw_layer(sgl_context ctx_id, int layer_id) { + SOKOL_ASSERT(_SGL_INIT_COOKIE == _sgl.init_cookie); + _sgl_context_t* ctx = _sgl_lookup_context(ctx_id.id); + if (ctx) { + _sgl_draw(ctx, layer_id); + } +} + +#endif /* SOKOL_GL_IMPL */ |