pass colortransformjob alpha setting to shader

app/node/keying/chromakey/chromakey.cpp

@@ -100,7 +100,7 @@ void ChromaKeyNode::Value(const NodeValueRow &value, const NodeGlobals &globals,
     ColorTransformJob job;
 
     job.InsertValue(value);
-    job.SetInputAlphaAssociation(AlphaAssociated::kAlphaAssociated);
+    job.SetAlphaChannelRequired(ColorTransformJob::kAlphaForceOn);
     job.SetColorProcessor(processor());
     job.SetInputTexture(value[kTextureInput].data().value<TexturePtr>());
     job.SetNeedsCustomShader(this);

app/render/job/colortransformjob.h

@@ -24,7 +24,7 @@
 #include <QMatrix4x4>
 #include <QString>
 
-#include "render/job/acceleratedjob.h"
+#include "render/job/generatejob.h"
 #include "render/alphaassoc.h"
 #include "render/colorprocessor.h"
 #include "render/texture.h"
@@ -33,7 +33,7 @@ namespace olive {
 
 class Node;
 
-class ColorTransformJob : public AcceleratedJob
+class ColorTransformJob : public GenerateJob
 {
 public:
   ColorTransformJob()

app/render/renderer.cpp

@@ -219,10 +219,7 @@ void Renderer::BlitColorManaged(const ColorTransformJob &color_job, Texture *des
   job.InsertValue(QStringLiteral("ove_cropmatrix"), NodeValue(NodeValue::kMatrix, color_job.GetCropMatrix().inverted()));
   job.InsertValue(QStringLiteral("ove_maintex_alpha"), NodeValue(NodeValue::kInt, color_job.GetInputAlphaAssociation()));
   job.InsertValue(color_job.GetValues());
-
-  //if (color_job.GetInputAlphaAssociation() == AlphaAssociated::kAlphaAssociated) {
-    job.SetAlphaChannelRequired(GenerateJob::kAlphaForceOn);
-  //}
+  job.SetAlphaChannelRequired(color_job.GetAlphaChannelRequired());
 
   foreach (const ColorContext::LUT& l, color_ctx.lut3d_textures) {
     job.InsertValue(l.name, NodeValue(NodeValue::kTexture, QVariant::fromValue(l.texture)));

app/render/renderprocessor.cpp

@@ -576,7 +576,11 @@ SampleBufferPtr RenderProcessor::ProcessSamples(const Node *node, const TimeRang
 TexturePtr RenderProcessor::ProcessColorTransform(const Node *node, const ColorTransformJob &job)
 {
   TexturePtr src = job.GetInputTexture();
-  TexturePtr dest = render_ctx_->CreateTexture(src->params());
+
+  VideoParams src_params = src->params();
+  src_params.set_channel_count(GetChannelCountFromJob(job));
+
+  TexturePtr dest = render_ctx_->CreateTexture(src_params);
 
   render_ctx_->BlitColorManaged(job, dest.get());