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render target pool
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Aiden
2026-05-08 16:59:43 +10:00
parent 5b6e30ad13
commit 7d8f9a39d1
7 changed files with 176 additions and 116 deletions
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104
apps/LoopThroughWithOpenGLCompositing/gl/renderer/OpenGLRenderer.cpp
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@@ -12,15 +12,6 @@ namespace
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
}
void ConfigureDisplayFrameTexture(unsigned width, unsigned height)
{
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA16F, width, height, 0, GL_RGBA, GL_FLOAT, NULL);
}
}
bool OpenGLRenderer::InitializeResources(unsigned inputFrameWidth, unsigned inputFrameHeight, unsigned captureTextureWidth, unsigned outputFrameWidth, unsigned outputFrameHeight, unsigned outputPackTextureWidth, std::string& error)
@@ -35,80 +26,32 @@ bool OpenGLRenderer::InitializeResources(unsigned inputFrameWidth, unsigned inpu
ConfigureByteFrameTexture(captureTextureWidth, inputFrameHeight);
glBindTexture(GL_TEXTURE_2D, 0);
glGenTextures(1, &mDecodedTexture);
glBindTexture(GL_TEXTURE_2D, mDecodedTexture);
ConfigureDisplayFrameTexture(inputFrameWidth, inputFrameHeight);
glBindTexture(GL_TEXTURE_2D, 0);
glGenTextures(1, &mLayerTempTexture);
glBindTexture(GL_TEXTURE_2D, mLayerTempTexture);
ConfigureDisplayFrameTexture(inputFrameWidth, inputFrameHeight);
glBindTexture(GL_TEXTURE_2D, 0);
glGenFramebuffers(1, &mDecodeFrameBuf);
glGenFramebuffers(1, &mLayerTempFrameBuf);
glGenFramebuffers(1, &mIdFrameBuf);
glGenFramebuffers(1, &mOutputFrameBuf);
glGenFramebuffers(1, &mOutputPackFrameBuf);
glGenRenderbuffers(1, &mIdColorBuf);
glGenRenderbuffers(1, &mIdDepthBuf);
glGenVertexArrays(1, &mFullscreenVAO);
glGenBuffers(1, &mGlobalParamsUBO);
glBindFramebuffer(GL_FRAMEBUFFER, mDecodeFrameBuf);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, mDecodedTexture, 0);
if (glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE)
{
error = "Cannot initialize decode framebuffer.";
if (!mRenderTargets.Create(RenderTargetId::Decoded, inputFrameWidth, inputFrameHeight, GL_RGBA16F, GL_RGBA, GL_FLOAT, "decode", error))
return false;
}
glBindFramebuffer(GL_FRAMEBUFFER, mLayerTempFrameBuf);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, mLayerTempTexture, 0);
if (glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE)
{
error = "Cannot initialize layer framebuffer.";
if (!mRenderTargets.Create(RenderTargetId::LayerTemp, inputFrameWidth, inputFrameHeight, GL_RGBA16F, GL_RGBA, GL_FLOAT, "layer", error))
return false;
if (!mRenderTargets.Create(RenderTargetId::Composite, inputFrameWidth, inputFrameHeight, GL_RGBA16F, GL_RGBA, GL_FLOAT, "composite", error))
return false;
}
glBindFramebuffer(GL_FRAMEBUFFER, mIdFrameBuf);
glGenTextures(1, &mFBOTexture);
glBindTexture(GL_TEXTURE_2D, mFBOTexture);
ConfigureDisplayFrameTexture(inputFrameWidth, inputFrameHeight);
glBindFramebuffer(GL_FRAMEBUFFER, CompositeFramebuffer());
glBindRenderbuffer(GL_RENDERBUFFER, mIdDepthBuf);
glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT24, inputFrameWidth, inputFrameHeight);
glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT_EXT, GL_RENDERBUFFER, mIdDepthBuf);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, mFBOTexture, 0);
if (glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE)
{
error = "Cannot initialize framebuffer.";
return false;
}
glGenTextures(1, &mOutputTexture);
glBindTexture(GL_TEXTURE_2D, mOutputTexture);
ConfigureDisplayFrameTexture(outputFrameWidth, outputFrameHeight);
glBindFramebuffer(GL_FRAMEBUFFER, mOutputFrameBuf);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, mOutputTexture, 0);
if (glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE)
{
error = "Cannot initialize output framebuffer.";
if (!mRenderTargets.Create(RenderTargetId::Output, outputFrameWidth, outputFrameHeight, GL_RGBA16F, GL_RGBA, GL_FLOAT, "output", error))
return false;
}
glGenTextures(1, &mOutputPackTexture);
glBindTexture(GL_TEXTURE_2D, mOutputPackTexture);
ConfigureByteFrameTexture(outputPackTextureWidth, outputFrameHeight);
glBindFramebuffer(GL_FRAMEBUFFER, mOutputPackFrameBuf);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, mOutputPackTexture, 0);
if (glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE)
{
error = "Cannot initialize output pack framebuffer.";
if (!mRenderTargets.Create(RenderTargetId::OutputPack, outputPackTextureWidth, outputFrameHeight, GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE, "output pack", error))
return false;
}
glBindTexture(GL_TEXTURE_2D, 0);
glBindRenderbuffer(GL_RENDERBUFFER, 0);
@@ -169,7 +112,7 @@ void OpenGLRenderer::PresentToWindow(HDC hdc, unsigned outputFrameWidth, unsigne
}
}
glBindFramebuffer(GL_READ_FRAMEBUFFER, mOutputFrameBuf);
glBindFramebuffer(GL_READ_FRAMEBUFFER, OutputFramebuffer());
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
glDisable(GL_SCISSOR_TEST);
glViewport(0, 0, mViewWidth, mViewHeight);
@@ -186,50 +129,21 @@ void OpenGLRenderer::DestroyResources()
glDeleteVertexArrays(1, &mFullscreenVAO);
if (mGlobalParamsUBO != 0)
glDeleteBuffers(1, &mGlobalParamsUBO);
if (mDecodeFrameBuf != 0)
glDeleteFramebuffers(1, &mDecodeFrameBuf);
if (mLayerTempFrameBuf != 0)
glDeleteFramebuffers(1, &mLayerTempFrameBuf);
if (mIdFrameBuf != 0)
glDeleteFramebuffers(1, &mIdFrameBuf);
if (mOutputFrameBuf != 0)
glDeleteFramebuffers(1, &mOutputFrameBuf);
if (mOutputPackFrameBuf != 0)
glDeleteFramebuffers(1, &mOutputPackFrameBuf);
if (mIdColorBuf != 0)
glDeleteRenderbuffers(1, &mIdColorBuf);
if (mIdDepthBuf != 0)
glDeleteRenderbuffers(1, &mIdDepthBuf);
if (mCaptureTexture != 0)
glDeleteTextures(1, &mCaptureTexture);
if (mDecodedTexture != 0)
glDeleteTextures(1, &mDecodedTexture);
if (mLayerTempTexture != 0)
glDeleteTextures(1, &mLayerTempTexture);
if (mFBOTexture != 0)
glDeleteTextures(1, &mFBOTexture);
if (mOutputTexture != 0)
glDeleteTextures(1, &mOutputTexture);
if (mOutputPackTexture != 0)
glDeleteTextures(1, &mOutputPackTexture);
if (mTextureUploadBuffer != 0)
glDeleteBuffers(1, &mTextureUploadBuffer);
mRenderTargets.Destroy();
mFullscreenVAO = 0;
mGlobalParamsUBO = 0;
mDecodeFrameBuf = 0;
mLayerTempFrameBuf = 0;
mIdFrameBuf = 0;
mOutputFrameBuf = 0;
mOutputPackFrameBuf = 0;
mIdColorBuf = 0;
mIdDepthBuf = 0;
mCaptureTexture = 0;
mDecodedTexture = 0;
mLayerTempTexture = 0;
mFBOTexture = 0;
mOutputTexture = 0;
mOutputPackTexture = 0;
mTextureUploadBuffer = 0;
mGlobalParamsUBOSize = 0;