mirror of
https://github.com/DrBeef/Raze.git
synced 2024-12-16 15:40:58 +00:00
211 lines
No EOL
5.4 KiB
C++
211 lines
No EOL
5.4 KiB
C++
|
|
#pragma once
|
|
|
|
#include "hwrenderer/postprocessing/hw_postprocess.h"
|
|
|
|
namespace OpenGLRenderer
|
|
{
|
|
|
|
class FGLRenderBuffers;
|
|
|
|
class PPGLTexture
|
|
{
|
|
public:
|
|
void Bind(int index, int filter = GL_NEAREST, int wrap = GL_CLAMP_TO_EDGE)
|
|
{
|
|
glActiveTexture(GL_TEXTURE0 + index);
|
|
glBindTexture(GL_TEXTURE_2D, handle);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, filter);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, filter);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, wrap);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, wrap);
|
|
}
|
|
|
|
int Width = -1;
|
|
int Height = -1;
|
|
|
|
explicit operator bool() const { return handle != 0; }
|
|
|
|
private:
|
|
GLuint handle = 0;
|
|
|
|
friend class FGLRenderBuffers;
|
|
friend class PPGLTextureBackend;
|
|
};
|
|
|
|
class PPGLFrameBuffer
|
|
{
|
|
public:
|
|
void Bind()
|
|
{
|
|
glBindFramebuffer(GL_FRAMEBUFFER, handle);
|
|
}
|
|
|
|
explicit operator bool() const { return handle != 0; }
|
|
|
|
private:
|
|
GLuint handle = 0;
|
|
|
|
friend class FGLRenderBuffers;
|
|
friend class PPGLTextureBackend;
|
|
};
|
|
|
|
class PPGLRenderBuffer
|
|
{
|
|
private:
|
|
GLuint handle = 0;
|
|
|
|
explicit operator bool() const { return handle != 0; }
|
|
|
|
friend class FGLRenderBuffers;
|
|
};
|
|
|
|
class PPGLTextureBackend : public PPTextureBackend
|
|
{
|
|
public:
|
|
~PPGLTextureBackend()
|
|
{
|
|
if (Tex.handle != 0)
|
|
{
|
|
glDeleteTextures(1, &Tex.handle);
|
|
Tex.handle = 0;
|
|
}
|
|
if (FB.handle != 0)
|
|
{
|
|
glDeleteFramebuffers(1, &FB.handle);
|
|
FB.handle = 0;
|
|
}
|
|
}
|
|
|
|
PPGLTexture Tex;
|
|
PPGLFrameBuffer FB;
|
|
};
|
|
|
|
class FShaderProgram;
|
|
|
|
class GLPPRenderState : public PPRenderState
|
|
{
|
|
public:
|
|
GLPPRenderState(FGLRenderBuffers *buffers) : buffers(buffers) { }
|
|
|
|
void PushGroup(const FString &name) override;
|
|
void PopGroup() override;
|
|
void Draw() override;
|
|
|
|
private:
|
|
PPGLTextureBackend *GetGLTexture(PPTexture *texture);
|
|
FShaderProgram *GetGLShader(PPShader *shader);
|
|
|
|
FGLRenderBuffers *buffers;
|
|
};
|
|
|
|
class FGLRenderBuffers
|
|
{
|
|
public:
|
|
FGLRenderBuffers();
|
|
~FGLRenderBuffers();
|
|
|
|
void Setup(int width, int height, int sceneWidth, int sceneHeight);
|
|
|
|
void BindSceneFB(bool sceneData);
|
|
void BindSceneColorTexture(int index);
|
|
void BindSceneFogTexture(int index);
|
|
void BindSceneNormalTexture(int index);
|
|
void BindSceneDepthTexture(int index);
|
|
void BlitSceneToTexture();
|
|
|
|
void BindCurrentTexture(int index, int filter = GL_NEAREST, int wrap = GL_CLAMP_TO_EDGE);
|
|
void BindCurrentFB();
|
|
void BindNextFB();
|
|
void NextTexture();
|
|
|
|
PPGLFrameBuffer GetCurrentFB() const { return mPipelineFB[mCurrentPipelineTexture]; }
|
|
|
|
void BindOutputFB();
|
|
|
|
void BlitToEyeTexture(int eye, bool allowInvalidate=true);
|
|
void BlitFromEyeTexture(int eye);
|
|
void BindEyeTexture(int eye, int texunit);
|
|
int NextEye(int eyeCount);
|
|
int & CurrentEye() { return mCurrentEye; }
|
|
|
|
void BindDitherTexture(int texunit);
|
|
|
|
void BindShadowMapFB();
|
|
void BindShadowMapTexture(int index);
|
|
|
|
int GetWidth() const { return mWidth; }
|
|
int GetHeight() const { return mHeight; }
|
|
|
|
int GetSceneWidth() const { return mSceneWidth; }
|
|
int GetSceneHeight() const { return mSceneHeight; }
|
|
|
|
private:
|
|
void ClearScene();
|
|
void ClearPipeline();
|
|
void ClearEyeBuffers();
|
|
void ClearShadowMap();
|
|
void CreateScene(int width, int height, int samples, bool needsSceneTextures);
|
|
void CreatePipeline(int width, int height);
|
|
void CreateEyeBuffers(int eye);
|
|
void CreateShadowMap();
|
|
|
|
PPGLTexture Create2DTexture(const char *name, GLuint format, int width, int height, const void *data = nullptr);
|
|
PPGLTexture Create2DMultisampleTexture(const char *name, GLuint format, int width, int height, int samples, bool fixedSampleLocations);
|
|
PPGLRenderBuffer CreateRenderBuffer(const char *name, GLuint format, int width, int height);
|
|
PPGLRenderBuffer CreateRenderBuffer(const char *name, GLuint format, int width, int height, int samples);
|
|
PPGLFrameBuffer CreateFrameBuffer(const char *name, PPGLTexture colorbuffer);
|
|
PPGLFrameBuffer CreateFrameBuffer(const char *name, PPGLTexture colorbuffer, PPGLRenderBuffer depthstencil);
|
|
PPGLFrameBuffer CreateFrameBuffer(const char *name, PPGLRenderBuffer colorbuffer, PPGLRenderBuffer depthstencil);
|
|
PPGLFrameBuffer CreateFrameBuffer(const char *name, PPGLTexture colorbuffer0, PPGLTexture colorbuffer1, PPGLTexture colorbuffer2, PPGLTexture depthstencil, bool multisample);
|
|
bool CheckFrameBufferCompleteness();
|
|
void ClearFrameBuffer(bool stencil, bool depth);
|
|
void DeleteTexture(PPGLTexture &handle);
|
|
void DeleteRenderBuffer(PPGLRenderBuffer &handle);
|
|
void DeleteFrameBuffer(PPGLFrameBuffer &handle);
|
|
|
|
int mWidth = 0;
|
|
int mHeight = 0;
|
|
int mSamples = 0;
|
|
int mMaxSamples = 0;
|
|
int mSceneWidth = 0;
|
|
int mSceneHeight = 0;
|
|
|
|
static const int NumPipelineTextures = 2;
|
|
int mCurrentPipelineTexture = 0;
|
|
|
|
// Buffers for the scene
|
|
PPGLTexture mSceneMultisampleTex;
|
|
PPGLTexture mSceneDepthStencilTex;
|
|
PPGLTexture mSceneFogTex;
|
|
PPGLTexture mSceneNormalTex;
|
|
PPGLRenderBuffer mSceneMultisampleBuf;
|
|
PPGLRenderBuffer mSceneDepthStencilBuf;
|
|
PPGLRenderBuffer mSceneFogBuf;
|
|
PPGLRenderBuffer mSceneNormalBuf;
|
|
PPGLFrameBuffer mSceneFB;
|
|
PPGLFrameBuffer mSceneDataFB;
|
|
bool mSceneUsesTextures = false;
|
|
|
|
// Effect/HUD buffers
|
|
PPGLTexture mPipelineTexture[NumPipelineTextures];
|
|
PPGLFrameBuffer mPipelineFB[NumPipelineTextures];
|
|
|
|
// Eye buffers
|
|
TArray<PPGLTexture> mEyeTextures;
|
|
TArray<PPGLFrameBuffer> mEyeFBs;
|
|
int mCurrentEye = 0;
|
|
|
|
// Shadow map texture
|
|
PPGLTexture mShadowMapTexture;
|
|
PPGLFrameBuffer mShadowMapFB;
|
|
int mCurrentShadowMapSize = 0;
|
|
|
|
PPGLTexture mDitherTexture;
|
|
|
|
static bool FailedCreate;
|
|
|
|
friend class GLPPRenderState;
|
|
};
|
|
|
|
} |