Merge b8cf4ea82f into ffb77757f0

internal/graphics/vertex.go

@@ -16,7 +16,6 @@ package graphics
 
 const (
 	ShaderSrcImageCount = 4
-	// ShaderDstImageCount is the number of the destination image. This is 1 so far, but this might change in the future.
 	ShaderDstImageCount = 1
 
 	// PreservedUniformVariablesCount represents the number of preserved uniform variables.

internal/graphicscommand/commandqueue.go

@@ -330,8 +330,13 @@ func (q *commandQueue) prependPreservedUniforms(uniforms []uint32, shader *Shade
 	copy(uniforms[graphics.PreservedUniformUint32Count:], origUniforms)
 
 	// Set the destination texture size.
-	// The number of destination images is always 1 but this might change in the future.
-	dw, dh := dsts[0].InternalSize()
+	var dw, dh int
+	for _, dst := range dsts {
+		if dst != nil {
+			dw, dh = dst.InternalSize()
+			break
+		}
+	}
 	uniforms[0] = math.Float32bits(float32(dw))
 	uniforms[1] = math.Float32bits(float32(dh))
 	uniformIndex := 2