- Backend update from GZDoom - mainly for GLES2 support.

source/common/rendering/gles/gles_renderer.h

@@ -0,0 +1,106 @@
+#ifndef __GL_RENDERER_H
+#define __GL_RENDERER_H
+
+#include "v_video.h"
+#include "vectors.h"
+#include "matrix.h"
+#include "gles_renderbuffers.h"
+#include <functional>
+
+#ifdef _MSC_VER
+#pragma warning(disable:4244)
+#endif
+
+struct particle_t;
+class FCanvasTexture;
+class FFlatVertexBuffer;
+class FSkyVertexBuffer;
+class HWPortal;
+class FLightBuffer;
+class DPSprite;
+class FGLRenderBuffers;
+class FGL2DDrawer;
+class SWSceneDrawer;
+class HWViewpointBuffer;
+struct FRenderViewpoint;
+
+namespace OpenGLESRenderer
+{
+	class FHardwareTexture;
+	class FShaderManager;
+	class FSamplerManager;
+	class OpenGLFrameBuffer;
+	class FPresentShaderBase;
+	class FPresentShader;
+	class FPresent3DCheckerShader;
+	class FPresent3DColumnShader;
+	class FPresent3DRowShader;
+	class FShadowMapShader;
+
+class FGLRenderer
+{
+public:
+
+	OpenGLFrameBuffer *framebuffer;
+	int mMirrorCount = 0;
+	int mPlaneMirrorCount = 0;
+	FShaderManager *mShaderManager = nullptr;
+	FSamplerManager* mSamplerManager = nullptr;
+	unsigned int mFBID = 0;
+	unsigned int mStencilValue = 0;
+
+	int mOldFBID = 0;
+
+	FGLRenderBuffers *mBuffers = nullptr;
+	FGLRenderBuffers *mScreenBuffers = nullptr;
+	FPresentShader *mPresentShader = nullptr;
+
+	//FRotator mAngles;
+
+	FGLRenderer(OpenGLFrameBuffer *fb);
+	~FGLRenderer() ;
+
+	void Initialize(int width, int height);
+
+	void ClearBorders();
+
+	void PresentStereo();
+	void RenderScreenQuad();
+	void PostProcessScene(int fixedcm, float flash, const std::function<void()> &afterBloomDrawEndScene2D);
+	
+	void CopyToBackbuffer(const IntRect *bounds, bool applyGamma);
+	void DrawPresentTexture(const IntRect &box, bool applyGamma);
+	void Flush();
+	void BeginFrame();
+    
+	bool StartOffscreen();
+	void EndOffscreen();
+
+	void BindToFrameBuffer(FTexture* tex);
+
+private:
+
+	bool QuadStereoCheckInitialRenderContextState();
+	void PresentAnaglyph(bool r, bool g, bool b);
+	void PresentSideBySide(int);
+	void PresentTopBottom();
+	void prepareInterleavedPresent(FPresentShaderBase& shader);
+	void PresentColumnInterleaved();
+	void PresentRowInterleaved();
+	void PresentCheckerInterleaved();
+	void PresentQuadStereo();
+
+};
+
+struct TexFilter_s
+{
+	int minfilter;
+	int magfilter;
+	bool mipmapping;
+} ;
+
+
+extern FGLRenderer *GLRenderer;
+
+}
+#endif