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Test double buffer framebuffer

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This commit is contained in:
Emile Belanger 2021-03-18 21:51:50 +00:00
parent fa25de3f71
commit 70d7ff77aa
2 changed files with 26 additions and 12 deletions
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27
src/common/rendering/gles/gles_renderbuffers.cpp
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@ -62,8 +62,11 @@ namespace OpenGLESRenderer
void FGLRenderBuffers::ClearScene()
{
DeleteFrameBuffer(mSceneFB);
DeleteRenderBuffer(mSceneDepthStencilBuf);
for (int n = 0; n < NBR_BUFF; n++)
{
DeleteFrameBuffer(mSceneFB[n]);
DeleteRenderBuffer(mSceneDepthStencilBuf[n]);
}
}
void FGLRenderBuffers::DeleteTexture(PPGLTexture& tex)
@ -99,6 +102,8 @@ 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;
@ -142,8 +147,11 @@ namespace OpenGLESRenderer
void FGLRenderBuffers::CreateScene(int width, int height)
{
ClearScene();
mSceneDepthStencilBuf = CreateRenderBuffer("SceneDepthStencil", GL_DEPTH24_STENCIL8_OES, width, height);
mSceneFB = CreateFrameBuffer("SceneFB", mSceneTex, mSceneDepthStencilBuf);
for (int n = 0; n < NBR_BUFF; n++)
{
mSceneDepthStencilBuf[n] = CreateRenderBuffer("SceneDepthStencil", GL_DEPTH24_STENCIL8_OES, width, height);
mSceneFB[n] = CreateFrameBuffer("SceneFB", mSceneTex[n], mSceneDepthStencilBuf[n]);
}
}
//==========================================================================
@ -154,7 +162,10 @@ namespace OpenGLESRenderer
void FGLRenderBuffers::CreatePipeline(int width, int height)
{
mSceneTex = Create2DTexture("PipelineTexture", GL_RGBA, width, height);
for (int n = 0; n < NBR_BUFF; n++)
{
mSceneTex[n] = Create2DTexture("PipelineTexture", GL_RGBA, width, height);
}
}
@ -382,7 +393,7 @@ namespace OpenGLESRenderer
void FGLRenderBuffers::BindSceneFB(bool sceneData)
{
glBindFramebuffer(GL_FRAMEBUFFER, mSceneFB.handle);
glBindFramebuffer(GL_FRAMEBUFFER, mSceneFB[mBuffPos].handle);
}
//==========================================================================
@ -393,7 +404,7 @@ namespace OpenGLESRenderer
void FGLRenderBuffers::BindCurrentTexture(int index, int filter, int wrap)
{
mSceneTex.Bind(index, filter, wrap);
mSceneTex[mBuffPos].Bind(index, filter, wrap);
}
//==========================================================================
@ -405,7 +416,7 @@ namespace OpenGLESRenderer
void FGLRenderBuffers::BindCurrentFB()
{
#ifndef NO_RENDER_BUFFER
mSceneFB.Bind();
mSceneFB[mBuffPos].Bind();
#endif
}

11
src/common/rendering/gles/gles_renderbuffers.h
View file

@ -134,12 +134,15 @@ private:
int mSceneWidth = 0;
int mSceneHeight = 0;
static const int NBR_BUFF = 1;
int mBuffPos = 0;
// Buffers for the scene
PPGLTexture mSceneDepthStencilTex;
PPGLTexture mSceneTex;
PPGLRenderBuffer mSceneDepthStencilBuf;
PPGLFrameBuffer mSceneFB;
PPGLTexture mSceneDepthStencilTex[NBR_BUFF];
PPGLTexture mSceneTex[NBR_BUFF];
PPGLRenderBuffer mSceneDepthStencilBuf[NBR_BUFF];
PPGLFrameBuffer mSceneFB[NBR_BUFF];
bool mSceneUsesTextures = false;
PPGLTexture mDitherTexture;