From 35265935522ac3730e26f8682704315516f7cbe5 Mon Sep 17 00:00:00 2001 From: spl3g Date: Fri, 31 Oct 2025 19:25:30 +0300 Subject: Add ui knobs --- third-party/clay/renderers/clay_renderer_SDL3.c | 264 ------------------------ 1 file changed, 264 deletions(-) delete mode 100644 third-party/clay/renderers/clay_renderer_SDL3.c (limited to 'third-party/clay/renderers/clay_renderer_SDL3.c') diff --git a/third-party/clay/renderers/clay_renderer_SDL3.c b/third-party/clay/renderers/clay_renderer_SDL3.c deleted file mode 100644 index 87ca2d4..0000000 --- a/third-party/clay/renderers/clay_renderer_SDL3.c +++ /dev/null @@ -1,264 +0,0 @@ -#include "clay/clay.h" -#include -#include -#include -#include - -typedef struct { - SDL_Renderer *renderer; - TTF_TextEngine *textEngine; - TTF_Font **fonts; -} Clay_SDL3RendererData; - -/* Global for convenience. Even in 4K this is enough for smooth curves (low radius or rect size coupled with - * no AA or low resolution might make it appear as jagged curves) */ -static int NUM_CIRCLE_SEGMENTS = 16; - -//all rendering is performed by a single SDL call, avoiding multiple RenderRect + plumbing choice for circles. -static void SDL_Clay_RenderFillRoundedRect(Clay_SDL3RendererData *rendererData, const SDL_FRect rect, const float cornerRadius, const Clay_Color _color) { - const SDL_FColor color = { _color.r/255, _color.g/255, _color.b/255, _color.a/255 }; - - int indexCount = 0, vertexCount = 0; - - const float minRadius = SDL_min(rect.w, rect.h) / 2.0f; - const float clampedRadius = SDL_min(cornerRadius, minRadius); - - const int numCircleSegments = SDL_max(NUM_CIRCLE_SEGMENTS, (int) clampedRadius * 0.5f); - - int totalVertices = 4 + (4 * (numCircleSegments * 2)) + 2*4; - int totalIndices = 6 + (4 * (numCircleSegments * 3)) + 6*4; - - SDL_Vertex vertices[totalVertices]; - int indices[totalIndices]; - - //define center rectangle - vertices[vertexCount++] = (SDL_Vertex){ {rect.x + clampedRadius, rect.y + clampedRadius}, color, {0, 0} }; //0 center TL - vertices[vertexCount++] = (SDL_Vertex){ {rect.x + rect.w - clampedRadius, rect.y + clampedRadius}, color, {1, 0} }; //1 center TR - vertices[vertexCount++] = (SDL_Vertex){ {rect.x + rect.w - clampedRadius, rect.y + rect.h - clampedRadius}, color, {1, 1} }; //2 center BR - vertices[vertexCount++] = (SDL_Vertex){ {rect.x + clampedRadius, rect.y + rect.h - clampedRadius}, color, {0, 1} }; //3 center BL - - indices[indexCount++] = 0; - indices[indexCount++] = 1; - indices[indexCount++] = 3; - indices[indexCount++] = 1; - indices[indexCount++] = 2; - indices[indexCount++] = 3; - - //define rounded corners as triangle fans - const float step = (SDL_PI_F/2) / numCircleSegments; - for (int i = 0; i < numCircleSegments; i++) { - const float angle1 = (float)i * step; - const float angle2 = ((float)i + 1.0f) * step; - - for (int j = 0; j < 4; j++) { // Iterate over four corners - float cx, cy, signX, signY; - - switch (j) { - case 0: cx = rect.x + clampedRadius; cy = rect.y + clampedRadius; signX = -1; signY = -1; break; // Top-left - case 1: cx = rect.x + rect.w - clampedRadius; cy = rect.y + clampedRadius; signX = 1; signY = -1; break; // Top-right - case 2: cx = rect.x + rect.w - clampedRadius; cy = rect.y + rect.h - clampedRadius; signX = 1; signY = 1; break; // Bottom-right - case 3: cx = rect.x + clampedRadius; cy = rect.y + rect.h - clampedRadius; signX = -1; signY = 1; break; // Bottom-left - default: return; - } - - vertices[vertexCount++] = (SDL_Vertex){ {cx + SDL_cosf(angle1) * clampedRadius * signX, cy + SDL_sinf(angle1) * clampedRadius * signY}, color, {0, 0} }; - vertices[vertexCount++] = (SDL_Vertex){ {cx + SDL_cosf(angle2) * clampedRadius * signX, cy + SDL_sinf(angle2) * clampedRadius * signY}, color, {0, 0} }; - - indices[indexCount++] = j; // Connect to corresponding central rectangle vertex - indices[indexCount++] = vertexCount - 2; - indices[indexCount++] = vertexCount - 1; - } - } - - //Define edge rectangles - // Top edge - vertices[vertexCount++] = (SDL_Vertex){ {rect.x + clampedRadius, rect.y}, color, {0, 0} }; //TL - vertices[vertexCount++] = (SDL_Vertex){ {rect.x + rect.w - clampedRadius, rect.y}, color, {1, 0} }; //TR - - indices[indexCount++] = 0; - indices[indexCount++] = vertexCount - 2; //TL - indices[indexCount++] = vertexCount - 1; //TR - indices[indexCount++] = 1; - indices[indexCount++] = 0; - indices[indexCount++] = vertexCount - 1; //TR - // Right edge - vertices[vertexCount++] = (SDL_Vertex){ {rect.x + rect.w, rect.y + clampedRadius}, color, {1, 0} }; //RT - vertices[vertexCount++] = (SDL_Vertex){ {rect.x + rect.w, rect.y + rect.h - clampedRadius}, color, {1, 1} }; //RB - - indices[indexCount++] = 1; - indices[indexCount++] = vertexCount - 2; //RT - indices[indexCount++] = vertexCount - 1; //RB - indices[indexCount++] = 2; - indices[indexCount++] = 1; - indices[indexCount++] = vertexCount - 1; //RB - // Bottom edge - vertices[vertexCount++] = (SDL_Vertex){ {rect.x + rect.w - clampedRadius, rect.y + rect.h}, color, {1, 1} }; //BR - vertices[vertexCount++] = (SDL_Vertex){ {rect.x + clampedRadius, rect.y + rect.h}, color, {0, 1} }; //BL - - indices[indexCount++] = 2; - indices[indexCount++] = vertexCount - 2; //BR - indices[indexCount++] = vertexCount - 1; //BL - indices[indexCount++] = 3; - indices[indexCount++] = 2; - indices[indexCount++] = vertexCount - 1; //BL - // Left edge - vertices[vertexCount++] = (SDL_Vertex){ {rect.x, rect.y + rect.h - clampedRadius}, color, {0, 1} }; //LB - vertices[vertexCount++] = (SDL_Vertex){ {rect.x, rect.y + clampedRadius}, color, {0, 0} }; //LT - - indices[indexCount++] = 3; - indices[indexCount++] = vertexCount - 2; //LB - indices[indexCount++] = vertexCount - 1; //LT - indices[indexCount++] = 0; - indices[indexCount++] = 3; - indices[indexCount++] = vertexCount - 1; //LT - - // Render everything - SDL_RenderGeometry(rendererData->renderer, NULL, vertices, vertexCount, indices, indexCount); -} - -static void SDL_Clay_RenderArc(Clay_SDL3RendererData *rendererData, const SDL_FPoint center, const float radius, const float startAngle, const float endAngle, const float thickness, const Clay_Color color) { - SDL_SetRenderDrawColor(rendererData->renderer, color.r, color.g, color.b, color.a); - - const float radStart = startAngle * (SDL_PI_F / 180.0f); - const float radEnd = endAngle * (SDL_PI_F / 180.0f); - - const int numCircleSegments = SDL_max(NUM_CIRCLE_SEGMENTS, (int)(radius * 1.5f)); //increase circle segments for larger circles, 1.5 is arbitrary. - - const float angleStep = (radEnd - radStart) / (float)numCircleSegments; - const float thicknessStep = 0.4f; //arbitrary value to avoid overlapping lines. Changing THICKNESS_STEP or numCircleSegments might cause artifacts. - - for (float t = thicknessStep; t < thickness - thicknessStep; t += thicknessStep) { - SDL_FPoint points[numCircleSegments + 1]; - const float clampedRadius = SDL_max(radius - t, 1.0f); - - for (int i = 0; i <= numCircleSegments; i++) { - const float angle = radStart + i * angleStep; - points[i] = (SDL_FPoint){ - SDL_roundf(center.x + SDL_cosf(angle) * clampedRadius), - SDL_roundf(center.y + SDL_sinf(angle) * clampedRadius) }; - } - SDL_RenderLines(rendererData->renderer, points, numCircleSegments + 1); - } -} - -SDL_Rect currentClippingRectangle; - -static void SDL_Clay_RenderClayCommands(Clay_SDL3RendererData *rendererData, Clay_RenderCommandArray *rcommands) -{ - for (int32_t i = 0; i < rcommands->length; i++) { - Clay_RenderCommand *rcmd = Clay_RenderCommandArray_Get(rcommands, i); - const Clay_BoundingBox bounding_box = rcmd->boundingBox; - const SDL_FRect rect = { (int)bounding_box.x, (int)bounding_box.y, (int)bounding_box.width, (int)bounding_box.height }; - - switch (rcmd->commandType) { - case CLAY_RENDER_COMMAND_TYPE_RECTANGLE: { - Clay_RectangleRenderData *config = &rcmd->renderData.rectangle; - SDL_SetRenderDrawBlendMode(rendererData->renderer, SDL_BLENDMODE_BLEND); - SDL_SetRenderDrawColor(rendererData->renderer, config->backgroundColor.r, config->backgroundColor.g, config->backgroundColor.b, config->backgroundColor.a); - if (config->cornerRadius.topLeft > 0) { - SDL_Clay_RenderFillRoundedRect(rendererData, rect, config->cornerRadius.topLeft, config->backgroundColor); - } else { - SDL_RenderFillRect(rendererData->renderer, &rect); - } - } break; - case CLAY_RENDER_COMMAND_TYPE_TEXT: { - Clay_TextRenderData *config = &rcmd->renderData.text; - TTF_Font *font = rendererData->fonts[config->fontId]; - TTF_SetFontSize(font, config->fontSize); - TTF_Text *text = TTF_CreateText(rendererData->textEngine, font, config->stringContents.chars, config->stringContents.length); - TTF_SetTextColor(text, config->textColor.r, config->textColor.g, config->textColor.b, config->textColor.a); - TTF_DrawRendererText(text, rect.x, rect.y); - TTF_DestroyText(text); - } break; - case CLAY_RENDER_COMMAND_TYPE_BORDER: { - Clay_BorderRenderData *config = &rcmd->renderData.border; - - const float minRadius = SDL_min(rect.w, rect.h) / 2.0f; - const Clay_CornerRadius clampedRadii = { - .topLeft = SDL_min(config->cornerRadius.topLeft, minRadius), - .topRight = SDL_min(config->cornerRadius.topRight, minRadius), - .bottomLeft = SDL_min(config->cornerRadius.bottomLeft, minRadius), - .bottomRight = SDL_min(config->cornerRadius.bottomRight, minRadius) - }; - //edges - SDL_SetRenderDrawColor(rendererData->renderer, config->color.r, config->color.g, config->color.b, config->color.a); - if (config->width.left > 0) { - const float starting_y = rect.y + clampedRadii.topLeft; - const float length = rect.h - clampedRadii.topLeft - clampedRadii.bottomLeft; - SDL_FRect line = { rect.x - 1, starting_y, config->width.left, length }; - SDL_RenderFillRect(rendererData->renderer, &line); - } - if (config->width.right > 0) { - const float starting_x = rect.x + rect.w - (float)config->width.right + 1; - const float starting_y = rect.y + clampedRadii.topRight; - const float length = rect.h - clampedRadii.topRight - clampedRadii.bottomRight; - SDL_FRect line = { starting_x, starting_y, config->width.right, length }; - SDL_RenderFillRect(rendererData->renderer, &line); - } - if (config->width.top > 0) { - const float starting_x = rect.x + clampedRadii.topLeft; - const float length = rect.w - clampedRadii.topLeft - clampedRadii.topRight; - SDL_FRect line = { starting_x, rect.y - 1, length, config->width.top }; - SDL_RenderFillRect(rendererData->renderer, &line); - } - if (config->width.bottom > 0) { - const float starting_x = rect.x + clampedRadii.bottomLeft; - const float starting_y = rect.y + rect.h - (float)config->width.bottom + 1; - const float length = rect.w - clampedRadii.bottomLeft - clampedRadii.bottomRight; - SDL_FRect line = { starting_x, starting_y, length, config->width.bottom }; - SDL_SetRenderDrawColor(rendererData->renderer, config->color.r, config->color.g, config->color.b, config->color.a); - SDL_RenderFillRect(rendererData->renderer, &line); - } - //corners - if (config->cornerRadius.topLeft > 0) { - const float centerX = rect.x + clampedRadii.topLeft -1; - const float centerY = rect.y + clampedRadii.topLeft - 1; - SDL_Clay_RenderArc(rendererData, (SDL_FPoint){centerX, centerY}, clampedRadii.topLeft, - 180.0f, 270.0f, config->width.top, config->color); - } - if (config->cornerRadius.topRight > 0) { - const float centerX = rect.x + rect.w - clampedRadii.topRight; - const float centerY = rect.y + clampedRadii.topRight - 1; - SDL_Clay_RenderArc(rendererData, (SDL_FPoint){centerX, centerY}, clampedRadii.topRight, - 270.0f, 360.0f, config->width.top, config->color); - } - if (config->cornerRadius.bottomLeft > 0) { - const float centerX = rect.x + clampedRadii.bottomLeft -1; - const float centerY = rect.y + rect.h - clampedRadii.bottomLeft; - SDL_Clay_RenderArc(rendererData, (SDL_FPoint){centerX, centerY}, clampedRadii.bottomLeft, - 90.0f, 180.0f, config->width.bottom, config->color); - } - if (config->cornerRadius.bottomRight > 0) { - const float centerX = rect.x + rect.w - clampedRadii.bottomRight; - const float centerY = rect.y + rect.h - clampedRadii.bottomRight; - SDL_Clay_RenderArc(rendererData, (SDL_FPoint){centerX, centerY}, clampedRadii.bottomRight, - 0.0f, 90.0f, config->width.bottom, config->color); - } - - } break; - case CLAY_RENDER_COMMAND_TYPE_SCISSOR_START: { - Clay_BoundingBox boundingBox = rcmd->boundingBox; - currentClippingRectangle = (SDL_Rect) { - .x = boundingBox.x, - .y = boundingBox.y, - .w = boundingBox.width, - .h = boundingBox.height, - }; - SDL_SetRenderClipRect(rendererData->renderer, ¤tClippingRectangle); - break; - } - case CLAY_RENDER_COMMAND_TYPE_SCISSOR_END: { - SDL_SetRenderClipRect(rendererData->renderer, NULL); - break; - } - case CLAY_RENDER_COMMAND_TYPE_IMAGE: { - SDL_Texture *texture = (SDL_Texture *)rcmd->renderData.image.imageData; - const SDL_FRect dest = { rect.x, rect.y, rect.w, rect.h }; - SDL_RenderTexture(rendererData->renderer, texture, NULL, &dest); - break; - } - default: - SDL_Log("Unknown render command type: %d", rcmd->commandType); - } - } -} -- cgit v1.2.3