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opengl: is src is single channel and dest is RGB, swizzle G and B

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This commit is contained in:
itsmattkc
2021-10-21 11:04:33 -07:00
parent 55e87bae95
commit d40d497379
2 changed files with 20 additions and 12 deletions
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app/node/traverser.cpp
+13 -12
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@@ -146,24 +146,25 @@ NodeGlobals NodeTraverser::GenerateGlobals(const VideoParams &params, const Time
int NodeTraverser::GetChannelCountFromJob(const GenerateJob &job)
{
int max_channel_count = 0;
// Find maximum channel count
for (auto it=job.GetValues().cbegin(); it!=job.GetValues().cend(); it++) {
if (it.value().type() == NodeValue::kTexture) {
TexturePtr tex = it.value().data().value<TexturePtr>();
if (tex) {
max_channel_count = qMax(max_channel_count, tex->channel_count());
}
}
}
switch (job.GetAlphaChannelRequired()) {
case GenerateJob::kAlphaForceOn:
return VideoParams::kRGBAChannelCount;
case GenerateJob::kAlphaForceOff:
return VideoParams::kRGBChannelCount;
case GenerateJob::kAlphaAuto:
for (auto it=job.GetValues().cbegin(); it!=job.GetValues().cend(); it++) {
if (it.value().type() == NodeValue::kTexture) {
TexturePtr tex = it.value().data().value<TexturePtr>();
if (tex && tex->channel_count() == VideoParams::kRGBAChannelCount) {
// An input texture has an alpha channel so assume we need one too
return VideoParams::kRGBAChannelCount;
}
}
}
// No textures had alpha so assume we don't need one
return VideoParams::kRGBChannelCount;
return max_channel_count;
}
// Default fallback, should never get here