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rsx: Do not interpolate when performing image reconstruction

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- Interpolation introduces cross-channel bit-leakage and noise
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kd-11 2025-05-04 22:10:40 +03:00 committed by kd-11
parent 487c58558e
commit 4958d7a88f
2 changed files with 16 additions and 0 deletions
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10
rpcs3/Emu/RSX/GL/GLDraw.cpp
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@ -387,6 +387,16 @@ void GLGSRender::load_texture_env()
{
m_graphics_state |= rsx::fragment_program_state_dirty;
}
if (const auto texture_format = tex.format() & ~(CELL_GCM_TEXTURE_UN | CELL_GCM_TEXTURE_LN);
sampler_state->format_class != rsx::classify_format(texture_format) &&
(texture_format == CELL_GCM_TEXTURE_A8R8G8B8 || texture_format == CELL_GCM_TEXTURE_D8R8G8B8))
{
// Depth format redirected to BGRA8 resample stage. Do not filter to avoid bits leaking.
// If accurate graphics are desired, force a bitcast to COLOR as a workaround.
m_fs_sampler_states[i].set_parameteri(GL_TEXTURE_MIN_FILTER, GL_NEAREST);
m_fs_sampler_states[i].set_parameteri(GL_TEXTURE_MAG_FILTER, GL_NEAREST);
}
}
}
else

6
rpcs3/Emu/RSX/VK/VKDraw.cpp
View file

@ -324,6 +324,12 @@ void VKGSRender::load_texture_env()
// Most PS3-like formats can be linearly filtered without problem
can_sample_linear = true;
}
else if (sampler_state->format_class != rsx::classify_format(texture_format) &&
(texture_format == CELL_GCM_TEXTURE_A8R8G8B8 || texture_format == CELL_GCM_TEXTURE_D8R8G8B8))
{
// Depth format redirected to BGRA8 resample stage. Do not filter to avoid bits leaking
can_sample_linear = false;
}
else
{
// Not all GPUs support linear filtering of depth formats