mirror of
https://github.com/isledecomp/isle-portable.git
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109 lines
3.1 KiB
C++
109 lines
3.1 KiB
C++
#pragma once
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#include "d3drmrenderer.h"
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#include "d3drmtexture_impl.h"
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#include "ddraw_impl.h"
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#include "ddsurface_impl.h"
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#include <SDL3/SDL.h>
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#include <vector>
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DEFINE_GUID(SDL3_GPU_GUID, 0x682656F3, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01);
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typedef struct {
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D3DRMMATRIX4D projection;
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D3DRMMATRIX4D worldViewMatrix;
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D3DRMMATRIX4D normalMatrix;
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} ViewportUniforms;
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static_assert(sizeof(ViewportUniforms) % 16 == 0);
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static_assert(sizeof(ViewportUniforms) == 192);
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struct FragmentShadingData {
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SceneLight lights[3];
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int lightCount;
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float shininess;
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SDL_Color color;
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int useTexture;
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};
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static_assert(sizeof(FragmentShadingData) % 16 == 0);
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static_assert(sizeof(FragmentShadingData) == 160);
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struct SDL3TextureCache {
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Direct3DRMTextureImpl* texture;
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Uint32 version;
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SDL_GPUTexture* gpuTexture;
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};
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class Direct3DRMSDL3GPURenderer : public Direct3DRMRenderer {
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public:
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static Direct3DRMRenderer* Create(DWORD width, DWORD height);
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~Direct3DRMSDL3GPURenderer() override;
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void PushLights(const SceneLight* vertices, size_t count) override;
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Uint32 GetTextureId(IDirect3DRMTexture* texture) override;
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void SetProjection(const D3DRMMATRIX4D& projection, D3DVALUE front, D3DVALUE back) override;
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DWORD GetWidth() override;
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DWORD GetHeight() override;
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void GetDesc(D3DDEVICEDESC* halDesc, D3DDEVICEDESC* helDesc) override;
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const char* GetName() override;
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HRESULT BeginFrame(const D3DRMMATRIX4D& viewMatrix) override;
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void SubmitDraw(
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const D3DRMVERTEX* vertices,
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const size_t vertexCount,
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const DWORD* indices,
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const size_t indexCount,
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const D3DRMMATRIX4D& worldMatrix,
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const Matrix3x3& normalMatrix,
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const Appearance& appearance
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) override;
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HRESULT FinalizeFrame() override;
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private:
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Direct3DRMSDL3GPURenderer(
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DWORD width,
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DWORD height,
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SDL_GPUDevice* device,
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SDL_GPUGraphicsPipeline* opaquePipeline,
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SDL_GPUGraphicsPipeline* transparentPipeline,
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SDL_GPUTexture* transferTexture,
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SDL_GPUTexture* depthTexture,
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SDL_GPUTexture* dummyTexture,
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SDL_GPUSampler* sampler,
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SDL_GPUTransferBuffer* uploadBuffer,
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SDL_GPUTransferBuffer* downloadBuffer
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);
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void AddTextureDestroyCallback(Uint32 id, IDirect3DRMTexture* texture);
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SDL_GPUTransferBuffer* GetUploadBuffer(size_t size);
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DWORD m_width;
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DWORD m_height;
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D3DVALUE m_front;
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D3DVALUE m_back;
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int m_vertexCount;
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int m_vertexBufferCount = 0;
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ViewportUniforms m_uniforms;
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FragmentShadingData m_fragmentShadingData;
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D3DDEVICEDESC m_desc;
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D3DRMMATRIX4D m_viewMatrix;
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std::vector<SDL3TextureCache> m_textures;
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SDL_GPUDevice* m_device;
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SDL_GPUGraphicsPipeline* m_opaquePipeline;
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SDL_GPUGraphicsPipeline* m_transparentPipeline;
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SDL_GPUTexture* m_transferTexture;
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SDL_GPUTexture* m_depthTexture;
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SDL_GPUTexture* m_dummyTexture;
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int m_uploadBufferSize;
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SDL_GPUTransferBuffer* m_uploadBuffer;
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SDL_GPUTransferBuffer* m_downloadBuffer;
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SDL_GPUBuffer* m_vertexBuffer = nullptr;
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SDL_GPUSampler* m_sampler;
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};
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inline static void Direct3DRMSDL3GPU_EnumDevice(LPD3DENUMDEVICESCALLBACK cb, void* ctx)
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{
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Direct3DRMRenderer* device = Direct3DRMSDL3GPURenderer::Create(640, 480);
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if (device) {
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EnumDevice(cb, ctx, device, SDL3_GPU_GUID);
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delete device;
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}
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}
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