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gpu,gpu/internal,internal/gl: replace BlitFramebuffer with CopyTexture

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OpenGL ES 2.0 doesn't support glBlitFramebuffer, but does support
glCopyTexSubImage2D. Fortunately, we don't need the extra features of
glBlitFramebuffer anyway.

Signed-off-by: Elias Naur <mail@eliasnaur.com>
This commit is contained in:
Elias Naur
2021-08-21 11:11:38 +02:00
parent 44adf01768
commit c9970cb8e3
8 changed files with 32 additions and 20 deletions
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gpu/internal/driver/driver.go
+1 -1
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@@ -45,7 +45,7 @@ type Device interface {
BindFragmentUniforms(buf Buffer)
BindStorageBuffer(binding int, buf Buffer)
BlitFramebuffer(dst, src Framebuffer, srcRect image.Rectangle, dstOrigin image.Point)
CopyTexture(dst Texture, dstOrigin image.Point, src Framebuffer, srcRect image.Rectangle)
MemoryBarrier()
DispatchCompute(x, y, z int)