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rsx: Handle mipmap sampling edge case when SNORM emulation is active

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kd-11 2026-06-07 17:20:52 +03:00 committed by kd-11
parent e7165cbe99
commit 339877ea7d
3 changed files with 24 additions and 3 deletions
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22
rpcs3/Emu/RSX/GL/GLDraw.cpp
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@ -8,6 +8,8 @@
namespace gl
{
extern GLenum tex_min_filter(rsx::texture_minify_filter min_filter);
inline GLenum comparison_op(rsx::comparison_function op)
{
return static_cast<GLenum>(op);
@ -410,8 +412,26 @@ void GLGSRender::load_texture_env()
if (is_depth_reconstructed || is_snorm)
{
GLint adjusted_min_filter = GL_NEAREST;
if (!is_depth_reconstructed) [[ unlikely ]]
{
switch (gl::tex_min_filter(tex.min_filter()))
{
default:
break;
case GL_LINEAR_MIPMAP_LINEAR:
case GL_LINEAR_MIPMAP_NEAREST:
case GL_NEAREST_MIPMAP_LINEAR:
case GL_NEAREST_MIPMAP_NEAREST:
// This is a hack and an unfortunate one at that as there is no feasible workaround.
// Doing full trilinear filtering in a shader is just dumb, approximate it instead with NEAREST_NEAREST.
adjusted_min_filter = GL_NEAREST_MIPMAP_NEAREST;
break;
}
}
// Depth format redirected to BGRA8 resample stage. Do not filter to avoid bits leaking.
m_fs_sampler_states[i].set_parameteri(GL_TEXTURE_MIN_FILTER, GL_NEAREST);
m_fs_sampler_states[i].set_parameteri(GL_TEXTURE_MIN_FILTER, adjusted_min_filter);
m_fs_sampler_states[i].set_parameteri(GL_TEXTURE_MAG_FILTER, GL_NEAREST);
}
}

4
rpcs3/Emu/RSX/GL/glutils/sampler.cpp
View File

@ -45,7 +45,7 @@ namespace gl
return 1.0f;
}
int tex_min_filter(rsx::texture_minify_filter min_filter)
GLenum tex_min_filter(rsx::texture_minify_filter min_filter)
{
switch (min_filter)
{
@ -60,7 +60,7 @@ namespace gl
fmt::throw_exception("Unknown min filter");
}
int tex_mag_filter(rsx::texture_magnify_filter mag_filter)
GLenum tex_mag_filter(rsx::texture_magnify_filter mag_filter)
{
switch (mag_filter)
{

1
rpcs3/Emu/RSX/VK/VKDraw.cpp
View File

@ -457,6 +457,7 @@ void VKGSRender::load_texture_env()
{
mag_filter = VK_FILTER_NEAREST;
min_filter.filter = VK_FILTER_NEAREST;
min_filter.mipmap_mode = VK_SAMPLER_MIPMAP_MODE_NEAREST;
}
if (min_filter.sample_mipmaps && mipmap_count > 1)