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Vk/Gl/Overlays: Do not blend the alpha channel when rendering overlays

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When blending a source pixel with alpha less than 1 onto a texture, we will end up having even less alpha than before.
This can lead to ugly "holes" in the overlays, especially on the edges of glyphs with smooth fonts for example.
We can fix this by only blending the RGB values while keeping the destination's alpha value.
I haven't really seen this happen in RPCS3, but it's better to be safe than sorry.
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Megamouse 2024-08-27 20:47:18 +02:00 • committed by kd-11
parent d1bfa9cd9c
commit 3b36df48e9
4 changed files with 7 additions and 5 deletions
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rpcs3/Emu/RSX/Program/RSXOverlay.h
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@ -7,7 +7,7 @@ namespace rsx
namespace overlays
{
// This is overlay common code meant only for render backends
enum class texture_sampling_mode: s32
enum class texture_sampling_mode : s32
{
none = 0,
font2D = 1,