Integrate SDL_gpu_spirvcross

Author: flibitijibibo

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "spirv"]
+	path = spirv
+	url = https://github.com/flibitijibibo/SDL_gpu_spirvcross

CMakeLists.txt

@@ -30,7 +30,7 @@ add_executable(SDL_gpu_examples
     Examples/WindowResize.c
 )
 
-target_include_directories(SDL_gpu_examples PRIVATE .)
+target_include_directories(SDL_gpu_examples PRIVATE . spirv)
 
 target_link_libraries(SDL_gpu_examples
     SDL3::SDL3

Examples/Common.c

@@ -1,5 +1,8 @@
 #include <SDL_gpu_examples.h>
 
+#define SDL_GPU_SPIRVCROSS_IMPLEMENTATION
+#include <SDL_gpu_spirvcross.h>
+
 #define STB_IMAGE_IMPLEMENTATION
 #define STBI_MALLOC SDL_malloc
 #define STBI_REALLOC SDL_realloc
@@ -82,7 +85,8 @@ SDL_GpuShader* LoadShader(
 		return NULL;
 	}
 
-	SDL_GpuShader* shader = SDL_GpuCreateShader(device, &(SDL_GpuShaderCreateInfo){
+	SDL_GpuShader* shader;
+	SDL_GpuShaderCreateInfo shaderInfo = {
 		.code = code,
 		.codeSize = codeSize,
 		.entryPointName = "main",
@@ -92,7 +96,15 @@ SDL_GpuShader* LoadShader(
 		.uniformBufferCount = uniformBufferCount,
 		.storageBufferCount = storageBufferCount,
 		.storageTextureCount = storageTextureCount
-	});
+	};
+	if (SDL_GpuGetBackend(device) == SDL_GPU_BACKEND_VULKAN)
+	{
+		shader = SDL_GpuCreateShader(device, &shaderInfo);
+	}
+	else
+	{
+		shader = SDL_CompileFromSPIRV(device, &shaderInfo, SDL_FALSE);
+	}
 	if (shader == NULL)
 	{
 		SDL_Log("Failed to create shader!");
@@ -127,7 +139,15 @@ SDL_GpuComputePipeline* CreateComputePipelineFromShader(
 	newCreateInfo.entryPointName = "main";
 	newCreateInfo.format = SDL_GPU_SHADERFORMAT_SPIRV;
 
-	SDL_GpuComputePipeline* pipeline = SDL_GpuCreateComputePipeline(device, &newCreateInfo);
+	SDL_GpuComputePipeline* pipeline;
+	if (SDL_GpuGetBackend(device) == SDL_GPU_BACKEND_VULKAN)
+	{
+		pipeline = SDL_GpuCreateComputePipeline(device, &newCreateInfo);
+	}
+	else
+	{
+		pipeline = SDL_CompileFromSPIRV(device, &newCreateInfo, SDL_TRUE);
+	}
 	if (pipeline == NULL)
 	{
 		SDL_Log("Failed to create compute pipeline!");
@@ -349,4 +369,4 @@ Vector3 Vector3_Cross(Vector3 vecA, Vector3 vecB)
 		-(vecA.x * vecB.z - vecB.x * vecA.z),
 		vecA.x * vecB.y - vecB.x * vecA.y
 	};
-}
+}