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

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CamilleLaVey 2025-11-30 17:41:38 -04:00 • committed by Caio Oliveira
parent 01faf544e8
commit 457beec066
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11 changed files with 375 additions and 5 deletions
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122
src/video_core/surface.cpp
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@ -4,6 +4,8 @@
// SPDX-FileCopyrightText: 2014 Citra Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include <optional>
#include "common/common_types.h"
#include "common/math_util.h"
#include "common/settings.h"
@ -408,6 +410,126 @@ bool IsPixelFormatSignedInteger(PixelFormat format) {
}
}
namespace {
struct NumericVariantSet {
PixelFormat float_format = PixelFormat::Invalid;
PixelFormat uint_format = PixelFormat::Invalid;
PixelFormat sint_format = PixelFormat::Invalid;
[[nodiscard]] std::optional<PixelFormat> Select(PixelFormatNumeric numeric) const {
PixelFormat candidate = PixelFormat::Invalid;
switch (numeric) {
case PixelFormatNumeric::Float:
candidate = float_format;
break;
case PixelFormatNumeric::Uint:
candidate = uint_format;
break;
case PixelFormatNumeric::Sint:
candidate = sint_format;
break;
}
if (candidate == PixelFormat::Invalid) {
return std::nullopt;
}
return candidate;
}
};
constexpr NumericVariantSet MakeVariant(PixelFormat float_format, PixelFormat uint_format,
PixelFormat sint_format) {
return NumericVariantSet{
.float_format = float_format,
.uint_format = uint_format,
.sint_format = sint_format,
};
}
std::optional<NumericVariantSet> LookupNumericVariantSet(PixelFormat format) {
switch (format) {
case PixelFormat::R8_UNORM:
case PixelFormat::R8_SNORM:
case PixelFormat::R8_UINT:
case PixelFormat::R8_SINT:
return MakeVariant(PixelFormat::R8_UNORM, PixelFormat::R8_UINT, PixelFormat::R8_SINT);
case PixelFormat::R16_FLOAT:
case PixelFormat::R16_UNORM:
case PixelFormat::R16_SNORM:
case PixelFormat::R16_UINT:
case PixelFormat::R16_SINT:
return MakeVariant(PixelFormat::R16_FLOAT, PixelFormat::R16_UINT, PixelFormat::R16_SINT);
case PixelFormat::R32_FLOAT:
case PixelFormat::R32_UINT:
case PixelFormat::R32_SINT:
return MakeVariant(PixelFormat::R32_FLOAT, PixelFormat::R32_UINT, PixelFormat::R32_SINT);
case PixelFormat::R8G8_UNORM:
case PixelFormat::R8G8_SNORM:
case PixelFormat::R8G8_UINT:
case PixelFormat::R8G8_SINT:
return MakeVariant(PixelFormat::R8G8_UNORM, PixelFormat::R8G8_UINT, PixelFormat::R8G8_SINT);
case PixelFormat::R16G16_FLOAT:
case PixelFormat::R16G16_UNORM:
case PixelFormat::R16G16_SNORM:
case PixelFormat::R16G16_UINT:
case PixelFormat::R16G16_SINT:
return MakeVariant(PixelFormat::R16G16_FLOAT, PixelFormat::R16G16_UINT,
PixelFormat::R16G16_SINT);
case PixelFormat::R32G32_FLOAT:
case PixelFormat::R32G32_UINT:
case PixelFormat::R32G32_SINT:
return MakeVariant(PixelFormat::R32G32_FLOAT, PixelFormat::R32G32_UINT,
PixelFormat::R32G32_SINT);
case PixelFormat::R16G16B16A16_FLOAT:
case PixelFormat::R16G16B16A16_UNORM:
case PixelFormat::R16G16B16A16_SNORM:
case PixelFormat::R16G16B16A16_UINT:
case PixelFormat::R16G16B16A16_SINT:
return MakeVariant(PixelFormat::R16G16B16A16_FLOAT, PixelFormat::R16G16B16A16_UINT,
PixelFormat::R16G16B16A16_SINT);
case PixelFormat::R32G32B32A32_FLOAT:
case PixelFormat::R32G32B32A32_UINT:
case PixelFormat::R32G32B32A32_SINT:
return MakeVariant(PixelFormat::R32G32B32A32_FLOAT, PixelFormat::R32G32B32A32_UINT,
PixelFormat::R32G32B32A32_SINT);
case PixelFormat::A8B8G8R8_UNORM:
case PixelFormat::A8B8G8R8_SNORM:
case PixelFormat::A8B8G8R8_SRGB:
case PixelFormat::A8B8G8R8_UINT:
case PixelFormat::A8B8G8R8_SINT:
return MakeVariant(PixelFormat::A8B8G8R8_UNORM, PixelFormat::A8B8G8R8_UINT,
PixelFormat::A8B8G8R8_SINT);
case PixelFormat::A2B10G10R10_UNORM:
case PixelFormat::A2B10G10R10_UINT:
return MakeVariant(PixelFormat::A2B10G10R10_UNORM, PixelFormat::A2B10G10R10_UINT,
PixelFormat::Invalid);
default:
return std::nullopt;
}
}
} // Anonymous namespace
PixelFormatNumeric GetPixelFormatNumericType(PixelFormat format) {
if (IsPixelFormatInteger(format)) {
return IsPixelFormatSignedInteger(format) ? PixelFormatNumeric::Sint
: PixelFormatNumeric::Uint;
}
return PixelFormatNumeric::Float;
}
std::optional<PixelFormat> FindPixelFormatVariant(PixelFormat format,
PixelFormatNumeric target_numeric) {
const auto variants = LookupNumericVariantSet(format);
if (!variants) {
return std::nullopt;
}
if (const auto candidate = variants->Select(target_numeric)) {
return candidate;
}
return std::nullopt;
}
size_t PixelComponentSizeBitsInteger(PixelFormat format) {
switch (format) {
case PixelFormat::A8B8G8R8_SINT: