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Remove framebuffer double buffer, will never be needed

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This commit is contained in:
Emile Belanger 2021-03-20 10:42:52 +00:00
parent 4f608996c9
commit ebaa16fbcd
3 changed files with 13 additions and 33 deletions
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28
src/common/rendering/gles/gles_renderbuffers.cpp
View file

@ -62,11 +62,8 @@ namespace OpenGLESRenderer
void FGLRenderBuffers::ClearScene()
{
for (int n = 0; n < NBR_BUFF; n++)
{
DeleteFrameBuffer(mSceneFB[n]);
DeleteRenderBuffer(mSceneDepthStencilBuf[n]);
}
DeleteFrameBuffer(mSceneFB);
DeleteRenderBuffer(mSceneDepthStencilBuf);
}
void FGLRenderBuffers::DeleteTexture(PPGLTexture& tex)
@ -102,9 +99,6 @@ namespace OpenGLESRenderer
if (width <= 0 || height <= 0)
I_FatalError("Requested invalid render buffer sizes: screen = %dx%d", width, height);
mBuffPos++;
mBuffPos = mBuffPos % NBR_BUFF;
GLint activeTex;
GLint textureBinding;
glGetIntegerv(GL_ACTIVE_TEXTURE, &activeTex);
@ -147,11 +141,8 @@ namespace OpenGLESRenderer
void FGLRenderBuffers::CreateScene(int width, int height)
{
ClearScene();
for (int n = 0; n < NBR_BUFF; n++)
{
mSceneDepthStencilBuf[n] = CreateRenderBuffer("SceneDepthStencil", GL_DEPTH24_STENCIL8, width, height);
mSceneFB[n] = CreateFrameBuffer("SceneFB", mSceneTex[n], mSceneDepthStencilBuf[n]);
}
mSceneDepthStencilBuf = CreateRenderBuffer("SceneDepthStencil", GL_DEPTH24_STENCIL8, width, height);
mSceneFB= CreateFrameBuffer("SceneFB", mSceneTex, mSceneDepthStencilBuf);
}
//==========================================================================
@ -162,10 +153,7 @@ namespace OpenGLESRenderer
void FGLRenderBuffers::CreatePipeline(int width, int height)
{
for (int n = 0; n < NBR_BUFF; n++)
{
mSceneTex[n] = Create2DTexture("PipelineTexture", GL_RGBA, width, height);
}
mSceneTex = Create2DTexture("PipelineTexture", GL_RGBA, width, height);
}
@ -387,7 +375,7 @@ namespace OpenGLESRenderer
void FGLRenderBuffers::BindSceneFB(bool sceneData)
{
glBindFramebuffer(GL_FRAMEBUFFER, mSceneFB[mBuffPos].handle);
glBindFramebuffer(GL_FRAMEBUFFER, mSceneFB.handle);
}
//==========================================================================
@ -398,7 +386,7 @@ namespace OpenGLESRenderer
void FGLRenderBuffers::BindCurrentTexture(int index, int filter, int wrap)
{
mSceneTex[mBuffPos].Bind(index, filter, wrap);
mSceneTex.Bind(index, filter, wrap);
}
//==========================================================================
@ -410,7 +398,7 @@ namespace OpenGLESRenderer
void FGLRenderBuffers::BindCurrentFB()
{
#ifndef NO_RENDER_BUFFER
mSceneFB[mBuffPos].Bind();
mSceneFB.Bind();
#endif
}

12
src/common/rendering/gles/gles_renderbuffers.h
View file

@ -134,15 +134,11 @@ private:
int mSceneWidth = 0;
int mSceneHeight = 0;
static const int NBR_BUFF = 1;
int mBuffPos = 0;
// Buffers for the scene
PPGLTexture mSceneDepthStencilTex[NBR_BUFF];
PPGLTexture mSceneTex[NBR_BUFF];
PPGLRenderBuffer mSceneDepthStencilBuf[NBR_BUFF];
PPGLFrameBuffer mSceneFB[NBR_BUFF];
PPGLTexture mSceneDepthStencilTex;
PPGLTexture mSceneTex;
PPGLRenderBuffer mSceneDepthStencilBuf;
PPGLFrameBuffer mSceneFB;
bool mSceneUsesTextures = false;
PPGLTexture mDitherTexture;

6
src/common/rendering/gles/gles_system.h
View file

@ -43,11 +43,6 @@ GLAPI PFNGLUNMAPBUFFEROESPROC glUnmapBuffer;
#else
#include "gl_load/gl_load.h"
#define GL_DEPTH24_STENCIL8_OES GL_DEPTH24_STENCIL8
//#define glClearDepthf glClearDepth
#define GL_WRITE_ONLY_OES GL_WRITE_ONLY
#define glUnmapBufferOES glUnmapBuffer
#define glMapBufferOES glMapBuffer
#endif
#if defined(__APPLE__)
@ -70,6 +65,7 @@ namespace OpenGLESRenderer
unsigned int maxlights;
unsigned int numlightvectors;
bool useMappedBuffers;
bool depthStencilAvailable;
float glslversion;
int max_texturesize;
char* vendorstring;