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Merge branch 'master' of https://github.com/grimfang4/sdl-gpu
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include/SDL_gpu.h
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include/SDL_gpu.h
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/*! Creates and links a shader program with the given shader objects. */
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DECLSPEC Uint32 SDLCALL GPU_LinkShaders(Uint32 shader_object1, Uint32 shader_object2);
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/*! Creates and links a shader program with the given shader objects. */
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DECLSPEC Uint32 SDLCALL GPU_LinkManyShaders(Uint32 *shader_objects, int count);
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/*! Deletes a shader object. */
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DECLSPEC void SDLCALL GPU_FreeShader(Uint32 shader_object);
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src/SDL_gpu.c
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src/SDL_gpu.c
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Uint32 GPU_LinkShaders(Uint32 shader_object1, Uint32 shader_object2)
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{
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Uint32 shaders[2];
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shaders[0] = shader_object1;
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shaders[1] = shader_object2;
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return GPU_LinkManyShaders(shaders, 2);
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}
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Uint32 GPU_LinkManyShaders(Uint32 *shader_objects, int count)
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{
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Uint32 p;
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int i;
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if(_gpu_current_renderer == NULL || _gpu_current_renderer->current_context_target == NULL)
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return 0;
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p = _gpu_current_renderer->impl->CreateShaderProgram(_gpu_current_renderer);
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_gpu_current_renderer->impl->AttachShader(_gpu_current_renderer, p, shader_object1);
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_gpu_current_renderer->impl->AttachShader(_gpu_current_renderer, p, shader_object2);
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for (i = 0; i < count; i++)
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_gpu_current_renderer->impl->AttachShader(_gpu_current_renderer, p, shader_objects[i]);
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if(_gpu_current_renderer->impl->LinkShaderProgram(_gpu_current_renderer, p))
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return p;