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[gl, vk, spv] Added component type handling for texture buffers and resolve pixel format variants

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This commit is contained in:
CamilleLaVey
2025-11-30 17:41:38 -04:00
committed by Caio Oliveira
parent 8fdef17def
commit b25581a87c
11 changed files with 376 additions and 5 deletions
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src/video_core/shader_environment.cpp
+43
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@@ -70,6 +70,46 @@ static Shader::TexturePixelFormat ConvertTexturePixelFormat(const Tegra::Texture
entry.a_type, entry.srgb_conversion));
}
namespace {
[[nodiscard]] bool UsesSwizzleSource(const Tegra::Texture::TICEntry& entry,
Tegra::Texture::SwizzleSource source) {
const std::array swizzles{entry.x_source.Value(), entry.y_source.Value(),
entry.z_source.Value(), entry.w_source.Value()};
return std::ranges::any_of(swizzles, [source](Tegra::Texture::SwizzleSource current) {
return current == source;
});
}
[[nodiscard]] std::optional<Shader::SamplerComponentType> DepthStencilComponentFromSwizzle(
const Tegra::Texture::TICEntry& entry, VideoCore::Surface::PixelFormat pixel_format) {
using Tegra::Texture::SwizzleSource;
const bool uses_r = UsesSwizzleSource(entry, SwizzleSource::R);
const bool uses_g = UsesSwizzleSource(entry, SwizzleSource::G);
switch (pixel_format) {
case VideoCore::Surface::PixelFormat::D24_UNORM_S8_UINT:
case VideoCore::Surface::PixelFormat::D32_FLOAT_S8_UINT:
if (uses_r != uses_g) {
return uses_r ? Shader::SamplerComponentType::Depth
: Shader::SamplerComponentType::Stencil;
}
break;
case VideoCore::Surface::PixelFormat::S8_UINT_D24_UNORM:
if (uses_r != uses_g) {
return uses_r ? Shader::SamplerComponentType::Stencil
: Shader::SamplerComponentType::Depth;
}
break;
default:
break;
}
return std::nullopt;
}
} // Anonymous namespace
static Shader::SamplerComponentType ConvertSamplerComponentType(
const Tegra::Texture::TICEntry& entry) {
const auto pixel_format = PixelFormatFromTextureInfo(entry.format, entry.r_type, entry.g_type,
@@ -83,6 +123,9 @@ static Shader::SamplerComponentType ConvertSamplerComponentType(
return Shader::SamplerComponentType::Stencil;
}
if (surface_type == VideoCore::Surface::SurfaceType::DepthStencil) {
if (const auto inferred = DepthStencilComponentFromSwizzle(entry, pixel_format)) {
return *inferred;
}
return entry.depth_texture != 0 ? Shader::SamplerComponentType::Depth
: Shader::SamplerComponentType::Stencil;
}