Merge d0d1e01a3f into a5983dee96

examples/SDL3-simple-demo/CMakeLists.txt

@@ -34,11 +34,24 @@ message(STATUS "Using SDL_ttf via FetchContent")
 FetchContent_MakeAvailable(SDL_ttf)
 set_property(DIRECTORY "${sdl_ttf_SOURCE_DIR}" PROPERTY EXCLUDE_FROM_ALL TRUE)
 
+# Download SDL_image
+FetchContent_Declare(
+	SDL_image
+	GIT_REPOSITORY "https://github.com/libsdl-org/SDL_image.git"
+	GIT_TAG main # Slightly risky to use main branch, but it's the only one available
+	GIT_SHALLOW TRUE
+	GIT_PROGRESS TRUE
+)
+message(STATUS "Using SDL_image via FetchContent")
+FetchContent_MakeAvailable(SDL_image)
+set_property(DIRECTORY "${SDL_image_SOURCE_DIR}" PROPERTY EXCLUDE_FROM_ALL TRUE)
+
 # Example executable
 add_executable(${PROJECT_NAME} main.c)
 target_link_libraries(${PROJECT_NAME} PRIVATE
 	SDL3::SDL3
 	SDL3_ttf::SDL3_ttf
+	SDL3_image::SDL3_image
 )
 
 add_custom_command(

examples/SDL3-simple-demo/main.c

@@ -23,6 +23,8 @@ typedef struct app_state {
     ClayVideoDemo_Data demoData;
 } AppState;
 
+SDL_Surface *sample_image;
+
 static inline Clay_Dimensions SDL_MeasureText(Clay_StringSlice text, Clay_TextElementConfig *config, void *userData)
 {
     TTF_Font *font = gFonts[config->fontId];
@@ -68,6 +70,8 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
 
     gFonts[FONT_ID] = font;
 
+    sample_image = IMG_Load("resources/sample.png");
+
     /* Initialize Clay */
     uint64_t totalMemorySize = Clay_MinMemorySize();
     Clay_Arena clayMemory = (Clay_Arena) {

renderers/SDL3/README

@@ -1,4 +0,0 @@
-Please note, the SDL3 renderer is not 100% feature complete. It is currently missing:
-
-- Images
-- Scroll / Scissor handling

renderers/SDL3/clay_renderer_SDL3.c

@@ -2,6 +2,7 @@
 #include <SDL3/SDL_main.h>
 #include <SDL3/SDL.h>
 #include <SDL3_ttf/SDL_ttf.h>
+#include <SDL3_image/SDL_image.h>
 
 /* This needs to be global because the "MeasureText" callback doesn't have a
  * user data parameter */
@@ -137,6 +138,8 @@ static void SDL_RenderArc(SDL_Renderer *renderer, const SDL_FPoint center, const
     }
 }
 
+SDL_Rect currentClippingRectangle;
+
 static void SDL_RenderClayCommands(SDL_Renderer *renderer, Clay_RenderCommandArray *rcommands)
 {
     for (size_t i = 0; i < rcommands->length; i++) {
@@ -232,6 +235,29 @@ static void SDL_RenderClayCommands(SDL_Renderer *renderer, Clay_RenderCommandArr
                 }
 
             } 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(renderer, &currentClippingRectangle);
+                break;
+            }
+            case CLAY_RENDER_COMMAND_TYPE_SCISSOR_END: {
+                SDL_SetRenderClipRect(renderer, NULL);
+                break;
+            }
+            case CLAY_RENDER_COMMAND_TYPE_IMAGE: {
+                Clay_ImageRenderData *config = &rcmd->renderData.image;
+                const SDL_Texture *texture = SDL_CreateTextureFromSurface(renderer, config->imageData);
+                const SDL_FRect dest = { rect.x, rect.y, rect.w, rect.h };
+
+                SDL_RenderTexture(renderer, texture, NULL, &dest);
+                break;
+            }
             default:
                 SDL_Log("Unknown render command type: %d", rcmd->commandType);
         }