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gpu: drop use of integer shader inputs

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They're a pain to support. Encode the single integer value we have
as a float instead.

Signed-off-by: Elias Naur <mail@eliasnaur.com>
This commit is contained in:
Elias Naur
2020-02-27 21:04:55 +01:00
parent 3043c4243a
commit 591c89ab0a
5 changed files with 52 additions and 43 deletions
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gpu/path.go
+1 -1
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@@ -158,7 +158,7 @@ func newStenciler(ctx backend.Device) *stenciler {
panic(err)
}
progLayout, err := ctx.NewInputLayout(shader_stencil_vert, []backend.InputDesc{
{Type: backend.DataTypeShort, Size: 2, Offset: int(unsafe.Offsetof((*(*path.Vertex)(nil)).CornerX))},
{Type: backend.DataTypeFloat, Size: 1, Offset: int(unsafe.Offsetof((*(*path.Vertex)(nil)).Corner))},
{Type: backend.DataTypeFloat, Size: 1, Offset: int(unsafe.Offsetof((*(*path.Vertex)(nil)).MaxY))},
{Type: backend.DataTypeFloat, Size: 2, Offset: int(unsafe.Offsetof((*(*path.Vertex)(nil)).FromX))},
{Type: backend.DataTypeFloat, Size: 2, Offset: int(unsafe.Offsetof((*(*path.Vertex)(nil)).CtrlX))},