mirror of
https://github.com/isledecomp/isle-portable.git
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117 lines
3.0 KiB
C++
117 lines
3.0 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 <SDL3/SDL.h>
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#include <cstddef>
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#include <vector>
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DEFINE_GUID(SOFTWARE_GUID, 0x682656F3, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02);
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struct TextureCache {
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Direct3DRMTextureImpl* texture;
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Uint8 version;
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SDL_Surface* cached;
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};
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class Direct3DRMSoftwareRenderer : public Direct3DRMRenderer {
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public:
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Direct3DRMSoftwareRenderer(DWORD width, DWORD height);
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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 GeometryVertex* vertices,
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const size_t count,
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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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void ClearZBuffer();
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void DrawTriangleProjected(
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const GeometryVertex& v0,
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const GeometryVertex& v1,
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const GeometryVertex& v2,
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const Appearance& appearance
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);
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void DrawTriangleClipped(const GeometryVertex (&v)[3], const Appearance& appearance);
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void ProjectVertex(const GeometryVertex& v, D3DRMVECTOR4D& p) const;
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SDL_Color ApplyLighting(const GeometryVertex& vertex, const Appearance& appearance);
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void AddTextureDestroyCallback(Uint32 id, IDirect3DRMTexture* texture);
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void DrawTexturedTriangle(
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const D3DRMVECTOR4D& p0,
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const D3DRMVECTOR4D& p1,
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const D3DRMVECTOR4D& p2,
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const GeometryVertex& v0,
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const GeometryVertex& v1,
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const GeometryVertex& v2,
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const SDL_Color& c0,
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const SDL_Color& c1,
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const SDL_Color& c2,
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Uint32 textureId,
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int minX,
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int maxX,
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int minY,
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int maxY,
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float invArea
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);
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void DrawSolidTriangle(
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const D3DRMVECTOR4D& p0,
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const D3DRMVECTOR4D& p1,
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const D3DRMVECTOR4D& p2,
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const SDL_Color& c0,
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const SDL_Color& c1,
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const SDL_Color& c2,
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int minX,
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int maxX,
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int minY,
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int maxY,
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float invArea
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);
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void DrawTransparentTriangle(
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const D3DRMVECTOR4D& p0,
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const D3DRMVECTOR4D& p1,
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const D3DRMVECTOR4D& p2,
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const SDL_Color& c0,
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const SDL_Color& c1,
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const SDL_Color& c2,
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Uint8 ca,
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int minX,
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int maxX,
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int minY,
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int maxY,
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float invArea
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);
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DWORD m_width;
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DWORD m_height;
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SDL_Palette* m_palette;
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const SDL_PixelFormatDetails* m_format;
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int m_bytesPerPixel;
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std::vector<SceneLight> m_lights;
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std::vector<TextureCache> m_textures;
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D3DVALUE m_front;
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D3DVALUE m_back;
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D3DRMMATRIX4D m_viewMatrix;
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D3DRMMATRIX4D m_projection;
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std::vector<float> m_zBuffer;
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};
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inline static void Direct3DRMSoftware_EnumDevice(LPD3DENUMDEVICESCALLBACK cb, void* ctx)
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{
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Direct3DRMRenderer* device = nullptr;
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device = new Direct3DRMSoftwareRenderer(640, 480);
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EnumDevice(cb, ctx, device, SOFTWARE_GUID);
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delete device;
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}
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