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renderer: moved alpha channel detection to where texture is actually made

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This commit is contained in:
itsmattkc
2020-11-16 02:02:12 +11:00
parent 1dd7e24920
commit 17b9a7e3ad
2 changed files with 19 additions and 16 deletions
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app/render/renderprocessor.cpp
+19 -4
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@@ -391,9 +391,26 @@ QVariant RenderProcessor::ProcessShader(const Node *node, const TimeRange &range
}
}
const VideoParams& video_params = ticket_->property("vparam").value<VideoParams>();
VideoParams tex_params = ticket_->property("vparam").value<VideoParams>();
TexturePtr destination = render_ctx_->CreateTexture(video_params);
bool input_textures_have_alpha = false;
for (auto it=job.GetValues().cbegin(); it!=job.GetValues().cend(); it++) {
if (it.value().type == NodeParam::kTexture) {
TexturePtr tex = it.value().data.value<TexturePtr>();
if (tex && tex->channel_count() == VideoParams::kRGBAChannelCount) {
input_textures_have_alpha = true;
break;
}
}
}
if (input_textures_have_alpha || job.GetAlphaChannelRequired()) {
tex_params.set_channel_count(VideoParams::kRGBAChannelCount);
} else {
tex_params.set_channel_count(VideoParams::kRGBChannelCount);
}
TexturePtr destination = render_ctx_->CreateTexture(tex_params);
// Run shader
render_ctx_->BlitToTexture(shader, job, destination.get());
@@ -487,8 +504,6 @@ QVariant RenderProcessor::GetCachedFrame(const Node *node, const rational &time)
f->set_video_params(p);
qDebug() << "Using cached frame!";
TexturePtr texture = render_ctx_->CreateTexture(f->video_params(), f->data(), f->linesize_pixels());
return QVariant::fromValue(texture);
}