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rsx: Forcefully disable writes to channels disabled on host

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- Some formats may have dummy channels on host. Never write to them!
- This means that XRGB formats correctly only write 24 bits, not 32.
This commit is contained in:
kd-11 2024-01-20 02:17:31 +03:00 • committed by kd-11
parent 0971636c07
commit 9a9b5860df
3 changed files with 52 additions and 3 deletions
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8
rpcs3/Emu/RSX/GL/GLDraw.cpp
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@ -188,6 +188,7 @@ void GLGSRender::update_draw_state()
if (m_rtts.get_color_surface_count())
{
// Color buffer is active
const auto host_write_mask = rsx::get_write_output_mask(rsx::method_registers.surface_color());
for (int index = 0; index < m_rtts.get_color_surface_count(); ++index)
{
bool color_mask_b = rsx::method_registers.color_mask_b(index);
@ -207,7 +208,12 @@ void GLGSRender::update_draw_state()
break;
}
gl_state.color_maski(index, color_mask_r, color_mask_g, color_mask_b, color_mask_a);
gl_state.color_maski(
index,
color_mask_r && host_write_mask[0],
color_mask_g && host_write_mask[1],
color_mask_b && host_write_mask[2],
color_mask_a && host_write_mask[3]);
}
// LogicOp and Blend are mutually exclusive. If both are enabled, LogicOp takes precedence.