Sergio Valor
00a5875c92
- Infraestructura GPU: GpuContext, GpuPipeline, GpuSpriteBatch, GpuTexture - Engine::render() migrat a 2-pass: sprites → offscreen R8G8B8A8 → swapchain + vignette - UI/text via software renderer (SDL3_ttf) + upload com a textura overlay GPU - CMakeLists.txt actualitzat per incloure subsistema gpu/ Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
36 lines
1.5 KiB
C++
36 lines
1.5 KiB
C++
#pragma once
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#include <SDL3/SDL_gpu.h>
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// ============================================================================
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// GpuPipeline — Creates and owns the graphics pipelines used by the engine.
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//
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// sprite_pipeline_ : textured quads, alpha blending.
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// Vertex layout: GpuVertex (pos float2, uv float2, col float4).
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// postfx_pipeline_ : full-screen triangle, no vertex buffer, no blend.
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// Reads offscreen texture, writes to swapchain.
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// ============================================================================
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class GpuPipeline {
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public:
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// target_format: pass SDL_GetGPUSwapchainTextureFormat() result.
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// offscreen_format: format of the offscreen render target.
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bool init(SDL_GPUDevice* device,
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SDL_GPUTextureFormat target_format,
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SDL_GPUTextureFormat offscreen_format);
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void destroy(SDL_GPUDevice* device);
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SDL_GPUGraphicsPipeline* spritePipeline() const { return sprite_pipeline_; }
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SDL_GPUGraphicsPipeline* postfxPipeline() const { return postfx_pipeline_; }
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private:
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SDL_GPUShader* createShader(SDL_GPUDevice* device,
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const char* msl_source,
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const char* entrypoint,
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SDL_GPUShaderStage stage,
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Uint32 num_samplers,
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Uint32 num_uniform_buffers);
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SDL_GPUGraphicsPipeline* sprite_pipeline_ = nullptr;
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SDL_GPUGraphicsPipeline* postfx_pipeline_ = nullptr;
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};
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