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Fix OpenGL non-srgb on Linux (#5642)

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Valaphee The Meerkat 2024-05-03 22:29:27 +02:00 committed by GitHub
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4
CHANGELOG.md
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@ -72,6 +72,10 @@ By @stefnotch in [#5410](https://github.com/gfx-rs/wgpu/pull/5410)
### Bug Fixes
#### GLES / OpenGL
- Fix regression on OpenGL (EGL) where non-sRGB still used sRGB [#5642](https://github.com/gfx-rs/wgpu/pull/5642)
## v0.20.0 (2024-04-28)
### Major Changes

12
wgpu-hal/src/gles/egl.rs
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@ -1130,6 +1130,13 @@ impl Surface {
unsafe { gl.bind_framebuffer(glow::DRAW_FRAMEBUFFER, None) };
unsafe { gl.bind_framebuffer(glow::READ_FRAMEBUFFER, Some(sc.framebuffer)) };
if !matches!(self.srgb_kind, SrgbFrameBufferKind::None) {
// Disable sRGB conversions for `glBlitFramebuffer` as behavior does diverge between
// drivers and formats otherwise and we want to ensure no sRGB conversions happen.
unsafe { gl.disable(glow::FRAMEBUFFER_SRGB) };
}
// Note the Y-flipping here. GL's presentation is not flipped,
// but main rendering is. Therefore, we Y-flip the output positions
// in the shader, and also this blit.
@ -1147,6 +1154,11 @@ impl Surface {
glow::NEAREST,
)
};
if !matches!(self.srgb_kind, SrgbFrameBufferKind::None) {
unsafe { gl.enable(glow::FRAMEBUFFER_SRGB) };
}
unsafe { gl.bind_framebuffer(glow::READ_FRAMEBUFFER, None) };
self.egl