93 lines
3.3 KiB
C++
93 lines
3.3 KiB
C++
// Copyright 2019 yuzu Emulator Project
|
|
// Licensed under GPLv2 or any later version
|
|
// Refer to the license.txt file included.
|
|
|
|
#include <algorithm>
|
|
#include <cstring>
|
|
#include <tuple>
|
|
#include <vector>
|
|
|
|
#include "common/assert.h"
|
|
#include "common/common_types.h"
|
|
#include "common/logging/log.h"
|
|
#include "video_core/surface.h"
|
|
#include "video_core/textures/astc.h"
|
|
#include "video_core/textures/convert.h"
|
|
|
|
namespace Tegra::Texture {
|
|
|
|
using VideoCore::Surface::PixelFormat;
|
|
|
|
template <bool reverse>
|
|
void SwapS8Z24ToZ24S8(u8* data, u32 width, u32 height) {
|
|
union S8Z24 {
|
|
BitField<0, 24, u32> z24;
|
|
BitField<24, 8, u32> s8;
|
|
};
|
|
static_assert(sizeof(S8Z24) == 4, "S8Z24 is incorrect size");
|
|
|
|
union Z24S8 {
|
|
BitField<0, 8, u32> s8;
|
|
BitField<8, 24, u32> z24;
|
|
};
|
|
static_assert(sizeof(Z24S8) == 4, "Z24S8 is incorrect size");
|
|
|
|
S8Z24 s8z24_pixel{};
|
|
Z24S8 z24s8_pixel{};
|
|
constexpr auto bpp{
|
|
VideoCore::Surface::GetBytesPerPixel(VideoCore::Surface::PixelFormat::S8Z24)};
|
|
for (std::size_t y = 0; y < height; ++y) {
|
|
for (std::size_t x = 0; x < width; ++x) {
|
|
const std::size_t offset{bpp * (y * width + x)};
|
|
if constexpr (reverse) {
|
|
std::memcpy(&z24s8_pixel, &data[offset], sizeof(Z24S8));
|
|
s8z24_pixel.s8.Assign(z24s8_pixel.s8);
|
|
s8z24_pixel.z24.Assign(z24s8_pixel.z24);
|
|
std::memcpy(&data[offset], &s8z24_pixel, sizeof(S8Z24));
|
|
} else {
|
|
std::memcpy(&s8z24_pixel, &data[offset], sizeof(S8Z24));
|
|
z24s8_pixel.s8.Assign(s8z24_pixel.s8);
|
|
z24s8_pixel.z24.Assign(s8z24_pixel.z24);
|
|
std::memcpy(&data[offset], &z24s8_pixel, sizeof(Z24S8));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void ConvertS8Z24ToZ24S8(u8* data, u32 width, u32 height) {
|
|
SwapS8Z24ToZ24S8<false>(data, width, height);
|
|
}
|
|
|
|
static void ConvertZ24S8ToS8Z24(u8* data, u32 width, u32 height) {
|
|
SwapS8Z24ToZ24S8<true>(data, width, height);
|
|
}
|
|
|
|
void ConvertFromGuestToHost(u8* data, PixelFormat pixel_format, u32 width, u32 height, u32 depth,
|
|
bool convert_astc, bool convert_s8z24) {
|
|
if (convert_astc && IsPixelFormatASTC(pixel_format)) {
|
|
// Convert ASTC pixel formats to RGBA8, as most desktop GPUs do not support ASTC.
|
|
u32 block_width{};
|
|
u32 block_height{};
|
|
std::tie(block_width, block_height) = GetASTCBlockSize(pixel_format);
|
|
const std::vector<u8> rgba8_data =
|
|
Tegra::Texture::ASTC::Decompress(data, width, height, depth, block_width, block_height);
|
|
std::copy(rgba8_data.begin(), rgba8_data.end(), data);
|
|
|
|
} else if (convert_s8z24 && pixel_format == PixelFormat::S8Z24) {
|
|
Tegra::Texture::ConvertS8Z24ToZ24S8(data, width, height);
|
|
}
|
|
}
|
|
|
|
void ConvertFromHostToGuest(u8* data, PixelFormat pixel_format, u32 width, u32 height, u32 depth,
|
|
bool convert_astc, bool convert_s8z24) {
|
|
if (convert_astc && IsPixelFormatASTC(pixel_format)) {
|
|
LOG_CRITICAL(HW_GPU, "Conversion of format {} after texture flushing is not implemented",
|
|
static_cast<u32>(pixel_format));
|
|
UNREACHABLE();
|
|
|
|
} else if (convert_s8z24 && pixel_format == PixelFormat::S8Z24) {
|
|
Tegra::Texture::ConvertZ24S8ToS8Z24(data, width, height);
|
|
}
|
|
}
|
|
|
|
} // namespace Tegra::Texture
|