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amdgpu: Handle 8-bit float format case for stencil. (#2092)

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squidbus 2025-01-10 00:49:08 -08:00 committed by GitHub
parent 725814ce01
commit 4563b6379d
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3 changed files with 13 additions and 4 deletions
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3
src/video_core/amdgpu/liverpool.h
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@ -899,7 +899,8 @@ struct Liverpool {
// There is a small difference between T# and CB number types, account for it.
return RemapNumberFormat(info.number_type == NumberFormat::SnormNz
? NumberFormat::Srgb
: info.number_type.Value());
: info.number_type.Value(),
info.format);
}
[[nodiscard]] NumberConversion GetNumberConversion() const {

4
src/video_core/amdgpu/resource.h
View file

@ -54,7 +54,7 @@ struct Buffer {
}
NumberFormat GetNumberFmt() const noexcept {
return RemapNumberFormat(NumberFormat(num_format));
return RemapNumberFormat(NumberFormat(num_format), DataFormat(data_format));
}
DataFormat GetDataFmt() const noexcept {
@ -264,7 +264,7 @@ struct Image {
}
NumberFormat GetNumberFmt() const noexcept {
return RemapNumberFormat(NumberFormat(num_format));
return RemapNumberFormat(NumberFormat(num_format), DataFormat(data_format));
}
NumberConversion GetNumberConversion() const noexcept {

10
src/video_core/amdgpu/types.h
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@ -252,7 +252,7 @@ inline DataFormat RemapDataFormat(const DataFormat format) {
}
}
inline NumberFormat RemapNumberFormat(const NumberFormat format) {
inline NumberFormat RemapNumberFormat(const NumberFormat format, const DataFormat data_format) {
switch (format) {
case NumberFormat::Uscaled:
return NumberFormat::Uint;
@ -260,6 +260,14 @@ inline NumberFormat RemapNumberFormat(const NumberFormat format) {
return NumberFormat::Sint;
case NumberFormat::Ubnorm:
return NumberFormat::Unorm;
case NumberFormat::Float:
if (data_format == DataFormat::Format8) {
// Games may ask for 8-bit float when they want to access the stencil component
// of a depth-stencil image. Change to unsigned int to match the stencil format.
// This is also the closest approximation to pass the bits through unconverted.
return NumberFormat::Uint;
}
[[fallthrough]];
default:
return format;
}