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// Copyright 2019 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "common/assert.h"
#include "common/common_types.h"
#include "common/microprofile.h"
#include "video_core/memory_manager.h"
#include "video_core/texture_cache/surface_base.h"
#include "video_core/texture_cache/surface_params.h"
#include "video_core/textures/convert.h"
namespace VideoCommon {
MICROPROFILE_DEFINE(GPU_Load_Texture, "GPU", "Texture Load", MP_RGB(128, 192, 128));
MICROPROFILE_DEFINE(GPU_Flush_Texture, "GPU", "Texture Flush", MP_RGB(128, 192, 128));
using Tegra::Texture::ConvertFromGuestToHost;
using VideoCore::MortonSwizzleMode;
SurfaceBaseImpl::SurfaceBaseImpl(const GPUVAddr gpu_vaddr, const SurfaceParams& params)
: gpu_addr{gpu_vaddr}, params{params}, mipmap_sizes{params.num_levels},
mipmap_offsets{params.num_levels}, layer_size{params.GetGuestLayerSize()},
memory_size{params.GetGuestSizeInBytes()}, host_memory_size{params.GetHostSizeInBytes()} {
u32 offset = 0;
mipmap_offsets.resize(params.num_levels);
mipmap_sizes.resize(params.num_levels);
for (u32 i = 0; i < params.num_levels; i++) {
mipmap_offsets[i] = offset;
mipmap_sizes[i] = params.GetGuestMipmapSize(i);
offset += mipmap_sizes[i];
}
}
void SurfaceBaseImpl::SwizzleFunc(MortonSwizzleMode mode, u8* memory, const SurfaceParams& params,
u8* buffer, u32 level) {
const u32 width{params.GetMipWidth(level)};
const u32 height{params.GetMipHeight(level)};
const u32 block_height{params.GetMipBlockHeight(level)};
const u32 block_depth{params.GetMipBlockDepth(level)};
std::size_t guest_offset{mipmap_offsets[level]};
if (params.is_layered) {
std::size_t host_offset{0};
const std::size_t guest_stride = layer_size;
const std::size_t host_stride = params.GetHostLayerSize(level);
for (u32 layer = 0; layer < params.depth; layer++) {
MortonSwizzle(mode, params.pixel_format, width, block_height, height, block_depth, 1,
params.tile_width_spacing, buffer + host_offset, memory + guest_offset);
guest_offset += guest_stride;
host_offset += host_stride;
}
} else {
MortonSwizzle(mode, params.pixel_format, width, block_height, height, block_depth,
params.GetMipDepth(level), params.tile_width_spacing, buffer,
memory + guest_offset);
}
}
void SurfaceBaseImpl::LoadBuffer(Tegra::MemoryManager& memory_manager,
std::vector<u8>& staging_buffer) {
MICROPROFILE_SCOPE(GPU_Load_Texture);
auto host_ptr = memory_manager.GetPointer(gpu_addr);
if (params.is_tiled) {
ASSERT_MSG(params.block_width == 1, "Block width is defined as {} on texture target {}",
params.block_width, static_cast<u32>(params.target));
for (u32 level = 0; level < params.num_levels; ++level) {
const u32 host_offset = params.GetHostMipmapLevelOffset(level);
SwizzleFunc(MortonSwizzleMode::MortonToLinear, host_ptr, params,
staging_buffer.data() + host_offset, level);
}
} else {
ASSERT_MSG(params.num_levels == 1, "Linear mipmap loading is not implemented");
const u32 bpp{params.GetBytesPerPixel()};
const u32 block_width{params.GetDefaultBlockWidth()};
const u32 block_height{params.GetDefaultBlockHeight()};
const u32 width{(params.width + block_width - 1) / block_width};
const u32 height{(params.height + block_height - 1) / block_height};
const u32 copy_size{width * bpp};
if (params.pitch == copy_size) {
std::memcpy(staging_buffer.data(), host_ptr, params.GetHostSizeInBytes());
} else {
const u8* start{host_ptr};
u8* write_to{staging_buffer.data()};
for (u32 h = height; h > 0; --h) {
std::memcpy(write_to, start, copy_size);
start += params.pitch;
write_to += copy_size;
}
}
}
for (u32 level = 0; level < params.num_levels; ++level) {
const u32 host_offset = params.GetHostMipmapLevelOffset(level);
ConvertFromGuestToHost(staging_buffer.data() + host_offset, params.pixel_format,
params.GetMipWidth(level), params.GetMipHeight(level),
params.GetMipDepth(level), true, true);
}
}
void SurfaceBaseImpl::FlushBuffer(Tegra::MemoryManager& memory_manager,
std::vector<u8>& staging_buffer) {
MICROPROFILE_SCOPE(GPU_Flush_Texture);
auto host_ptr = memory_manager.GetPointer(gpu_addr);
if (params.is_tiled) {
ASSERT_MSG(params.block_width == 1, "Block width is defined as {}", params.block_width);
for (u32 level = 0; level < params.num_levels; ++level) {
const u32 host_offset = params.GetHostMipmapLevelOffset(level);
SwizzleFunc(MortonSwizzleMode::LinearToMorton, host_ptr, params,
staging_buffer.data() + host_offset, level);
}
} else {
UNIMPLEMENTED();
/*
ASSERT(params.target == SurfaceTarget::Texture2D);
ASSERT(params.num_levels == 1);
const u32 bpp{params.GetFormatBpp() / 8};
const u32 copy_size{params.width * bpp};
if (params.pitch == copy_size) {
std::memcpy(host_ptr, staging_buffer.data(), memory_size);
} else {
u8* start{host_ptr};
const u8* read_to{staging_buffer.data()};
for (u32 h = params.GetHeight(); h > 0; --h) {
std::memcpy(start, read_to, copy_size);
start += params.GetPitch();
read_to += copy_size;
}
}
*/
}
}
} // namespace VideoCommon
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