aiden/video-shader-toys
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16bit processing
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Aiden
2026-05-08 13:27:41 +10:00
parent fb9122ecdc
commit c9fed70a60
30 changed files with 770 additions and 1129 deletions
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39
apps/LoopThroughWithOpenGLCompositing/gl/OpenGLComposite.cpp
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@@ -1,5 +1,4 @@
#include "DeckLinkDisplayMode.h"
#include "DeckLinkFrameTransfer.h"
#include "DeckLinkSession.h"
#include "OpenGLComposite.h"
#include "GLExtensions.h"
@@ -87,17 +86,14 @@ bool OpenGLComposite::InitDeckLink()
MessageBoxA(NULL, initFailureReason.c_str(), title, MB_OK | MB_ICONERROR);
return false;
}
if (!mDeckLink->SelectPreferredFormats(videoModes, initFailureReason))
goto error;
if (! CheckOpenGLExtensions())
{
initFailureReason = "OpenGL extension checks failed.";
goto error;
}
if (mDeckLink->InputOutputDimensionsDiffer())
{
mRenderer->SetFastTransferAvailable(false);
OutputDebugStringA("Input/output dimensions differ; using regular OpenGL transfer fallback instead of fast transfer.\n");
}
if (! InitOpenGLState())
{
@@ -115,16 +111,6 @@ bool OpenGLComposite::InitDeckLink()
else
resizeWindow(mDeckLink->OutputFrameWidth() / 2, mDeckLink->OutputFrameHeight() / 2);
if (mRenderer->FastTransferAvailable())
{
// Initialize fast video frame transfers
if (! VideoFrameTransfer::initialize(mDeckLink->InputFrameWidth(), mDeckLink->InputFrameHeight(), mRenderer->CaptureTexture(), mRenderer->OutputTexture()))
{
MessageBox(NULL, _T("Cannot initialize video transfers."), _T("VideoFrameTransfer error."), MB_OK);
goto error;
}
}
if (!mDeckLink->ConfigureInput(this, hGLDC, hGLRC, videoModes.input, initFailureReason))
{
goto error;
@@ -222,6 +208,11 @@ bool OpenGLComposite::InitOpenGLState()
MessageBoxA(NULL, compilerErrorMessage, "OpenGL decode shader failed to load or compile", MB_OK);
return false;
}
if (!mShaderPrograms->CompileOutputPackShader(sizeof(compilerErrorMessage), compilerErrorMessage))
{
MessageBoxA(NULL, compilerErrorMessage, "OpenGL output pack shader failed to load or compile", MB_OK);
return false;
}
if (!mShaderPrograms->CompileLayerPrograms(mDeckLink->InputFrameWidth(), mDeckLink->InputFrameHeight(), sizeof(compilerErrorMessage), compilerErrorMessage))
{
@@ -233,7 +224,14 @@ bool OpenGLComposite::InitOpenGLState()
mShaderPrograms->ResetTemporalHistoryState();
std::string rendererError;
if (!mRenderer->InitializeResources(mDeckLink->InputFrameWidth(), mDeckLink->InputFrameHeight(), mDeckLink->OutputFrameWidth(), mDeckLink->OutputFrameHeight(), rendererError))
if (!mRenderer->InitializeResources(
mDeckLink->InputFrameWidth(),
mDeckLink->InputFrameHeight(),
mDeckLink->CaptureTextureWidth(),
mDeckLink->OutputFrameWidth(),
mDeckLink->OutputFrameHeight(),
mDeckLink->OutputPackTextureWidth(),
rendererError))
{
MessageBoxA(NULL, rendererError.c_str(), "OpenGL initialization error.", MB_OK);
return false;
@@ -315,6 +313,8 @@ void OpenGLComposite::renderEffect()
layerStates,
mDeckLink->InputFrameWidth(),
mDeckLink->InputFrameHeight(),
mDeckLink->CaptureTextureWidth(),
mDeckLink->InputPixelFormat(),
historyCap,
[this](const RuntimeRenderState& state, LayerProgram::TextBinding& textBinding, std::string& error) {
return mShaderPrograms->UpdateTextBindingTexture(state, textBinding, error);
@@ -392,11 +392,6 @@ void OpenGLComposite::resetTemporalHistoryState()
bool OpenGLComposite::CheckOpenGLExtensions()
{
mRenderer->SetFastTransferAvailable(VideoFrameTransfer::checkFastMemoryTransferAvailable());
if (!mRenderer->FastTransferAvailable())
OutputDebugStringA("Fast memory transfer extension not available, using regular OpenGL transfer fallback instead\n");
return true;
}