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https://github.com/isledecomp/isle-portable.git
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86 lines
2.6 KiB
C++
86 lines
2.6 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 <GLES2/gl2.h>
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#include <SDL3/SDL.h>
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#include <vector>
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DEFINE_GUID(OpenGLES2_GUID, 0x682656F3, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04);
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struct GLES2TextureCacheEntry {
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IDirect3DRMTexture* texture;
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Uint32 version;
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GLuint glTextureId;
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uint16_t width;
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uint16_t height;
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};
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struct GLES2MeshCacheEntry {
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const MeshGroup* meshGroup;
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int version;
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bool flat;
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std::vector<uint16_t> indices;
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GLuint vboPositions;
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GLuint vboNormals;
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GLuint vboTexcoords;
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GLuint ibo;
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};
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class OpenGLES2Renderer : public Direct3DRMRenderer {
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public:
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static Direct3DRMRenderer* Create(DWORD width, DWORD height);
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OpenGLES2Renderer(DWORD width, DWORD height, SDL_GLContext context, GLuint shaderProgram);
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~OpenGLES2Renderer() override;
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void PushLights(const SceneLight* lightsArray, size_t count) override;
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void SetProjection(const D3DRMMATRIX4D& projection, D3DVALUE front, D3DVALUE back) override;
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void SetFrustumPlanes(const Plane* frustumPlanes) override;
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Uint32 GetTextureId(IDirect3DRMTexture* texture) override;
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Uint32 GetMeshId(IDirect3DRMMesh* mesh, const MeshGroup* meshGroup) 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() override;
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void EnableTransparency() override;
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void SubmitDraw(
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DWORD meshId,
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const D3DRMMATRIX4D& modelViewMatrix,
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const D3DRMMATRIX4D& worldMatrix,
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const D3DRMMATRIX4D& viewMatrix,
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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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void Resize(int width, int height, const ViewportTransform& viewportTransform) override;
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void Clear(float r, float g, float b) override;
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void Flip() override;
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void Draw2DImage(Uint32 textureId, const SDL_Rect& srcRect, const SDL_Rect& dstRect) override;
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void Download(SDL_Surface* target) override;
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private:
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void AddTextureDestroyCallback(Uint32 id, IDirect3DRMTexture* texture);
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void AddMeshDestroyCallback(Uint32 id, IDirect3DRMMesh* mesh);
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std::vector<GLES2TextureCacheEntry> m_textures;
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std::vector<GLES2MeshCacheEntry> m_meshs;
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D3DRMMATRIX4D m_projection;
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SDL_Surface* m_renderedImage;
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bool m_dirty = false;
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std::vector<SceneLight> m_lights;
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SDL_GLContext m_context;
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GLuint m_shaderProgram;
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ViewportTransform m_viewportTransform;
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};
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inline static void OpenGLES2Renderer_EnumDevice(LPD3DENUMDEVICESCALLBACK cb, void* ctx)
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{
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Direct3DRMRenderer* device = OpenGLES2Renderer::Create(640, 480);
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if (device) {
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EnumDevice(cb, ctx, device, OpenGLES2_GUID);
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delete device;
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}
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}
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