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graphicscommand: 0th image must be adopted to calculate the size

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This commit is contained in:
Hajime Hoshi 2020-08-11 01:38:00 +09:00
parent 8bfe406470
commit 985ff2d43f
1 changed files with 5 additions and 11 deletions
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16
internal/graphicscommand/command.go
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@ -106,7 +106,7 @@ func (q *commandQueue) appendVertices(vertices []float32, src *Image) {
width := float32(1)
height := float32(1)
// src is nil when a shader is used and there are no images in the uniform variables.
// src is nil when a shader is used and there are no specified images.
if src != nil {
w, h := src.InternalSize()
width = float32(w)
@ -145,14 +145,8 @@ func (q *commandQueue) EnqueueDrawTrianglesCommand(dst *Image, srcs [graphics.Sh
}
// Assume that all the image sizes are same.
var firstSrc *Image
for _, src := range srcs {
if src != nil {
firstSrc = src
break
}
}
q.appendVertices(vertices, firstSrc)
// Assume that the images are packed from the front in the slice srcs.
q.appendVertices(vertices, srcs[0])
q.appendIndices(indices, uint16(q.nextIndex))
q.nextIndex += len(vertices) / graphics.VertexFloatNum
q.tmpNumIndices += len(indices)
@ -167,8 +161,8 @@ func (q *commandQueue) EnqueueDrawTrianglesCommand(dst *Image, srcs [graphics.Sh
}
}
if firstSrc != nil {
w, h := firstSrc.InternalSize()
if srcs[0] != nil {
w, h := srcs[0].InternalSize()
if address != driver.AddressUnsafe {
sourceRegion.X /= float32(w)
sourceRegion.Y /= float32(h)