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amdgpu: surface bits per element LUT

This commit is contained in:
psucien 2024-06-02 22:46:40 +02:00
parent 23cc60bf06
commit d7d324ac76
2 changed files with 19 additions and 5 deletions
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21
src/video_core/amdgpu/pixel_format.cpp
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@ -40,17 +40,30 @@ std::string_view NameOf(NumberFormat fmt) {
}
}
u32 NumComponents(DataFormat format) {
constexpr std::array numComponentsPerElement = {
int NumComponents(DataFormat format) {
constexpr std::array num_components_per_element = {
0, 1, 1, 2, 1, 2, 3, 3, 4, 4, 4, 2, 4, 3, 4, -1, 3, 4, 4, 4, 2,
2, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1, 3, 3, 3, 4, 4, 4, 1, 2, 3, 4,
-1, -1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 1, 1};
const u32 index = static_cast<u32>(format);
if (index >= numComponentsPerElement.size()) {
if (index >= num_components_per_element.size()) {
return 0;
}
return numComponentsPerElement[index];
return num_components_per_element[index];
}
int NumBits(DataFormat format) {
const std::array num_bits_per_element = {
0, 8, 16, 16, 32, 32, 32, 32, 32, 32, 32, 64, 64, 96, 128, -1, 16, 16, 16, 16, 32,
32, 64, -1, -1, -1, -1, -1, -1, -1, -1, -1, 16, 16, 32, 4, 8, 8, 4, 8, 8, 8,
-1, -1, 8, 8, 8, 8, 8, 8, 16, 16, 32, 32, 32, 64, 64, 8, 16, 1, 1};
const u32 index = static_cast<u32>(format);
if (index >= num_bits_per_element.size()) {
return 0;
}
return num_bits_per_element[index];
}
} // namespace AmdGpu

3
src/video_core/amdgpu/pixel_format.h
View File

@ -63,7 +63,8 @@ enum class NumberFormat : u32 {
[[nodiscard]] std::string_view NameOf(NumberFormat fmt);
u32 NumComponents(DataFormat format);
int NumComponents(DataFormat format);
int NumBits(DataFormat format);
} // namespace AmdGpu