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config: Add option for linear image readback

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This commit is contained in:
IndecisiveTurtle 2025-07-07 13:05:55 +03:00
parent ac430ca0d0
commit 12bc09cfa0
3 changed files with 16 additions and 3 deletions
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11
src/common/config.cpp
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@ -65,6 +65,7 @@ static u32 screenHeight = 720;
static bool isNullGpu = false;
static bool shouldCopyGPUBuffers = false;
static bool readbacksEnabled = false;
static bool readbackLinearImagesEnabled = false;
static bool directMemoryAccessEnabled = false;
static bool shouldDumpShaders = false;
static bool shouldPatchShaders = false;
@ -103,7 +104,7 @@ u32 m_language = 1; // english
static std::string trophyKey = "";
// Expected number of items in the config file
static constexpr u64 total_entries = 51;
static constexpr u64 total_entries = 52;
bool allowHDR() {
return isHDRAllowed;
@ -262,6 +263,10 @@ bool readbacks() {
return readbacksEnabled;
}
bool readbackLinearImages() {
return readbackLinearImagesEnabled;
}
bool directMemoryAccess() {
return directMemoryAccessEnabled;
}
@ -631,6 +636,8 @@ void load(const std::filesystem::path& path) {
isNullGpu = toml::find_or<bool>(gpu, "nullGpu", isNullGpu);
shouldCopyGPUBuffers = toml::find_or<bool>(gpu, "copyGPUBuffers", shouldCopyGPUBuffers);
readbacksEnabled = toml::find_or<bool>(gpu, "readbacks", readbacksEnabled);
readbackLinearImagesEnabled =
toml::find_or<bool>(gpu, "readbackLinearImages", readbackLinearImagesEnabled);
directMemoryAccessEnabled =
toml::find_or<bool>(gpu, "directMemoryAccess", directMemoryAccessEnabled);
shouldDumpShaders = toml::find_or<bool>(gpu, "dumpShaders", shouldDumpShaders);
@ -802,6 +809,7 @@ void save(const std::filesystem::path& path) {
data["GPU"]["nullGpu"] = isNullGpu;
data["GPU"]["copyGPUBuffers"] = shouldCopyGPUBuffers;
data["GPU"]["readbacks"] = readbacksEnabled;
data["GPU"]["readbackLinearImages"] = readbackLinearImagesEnabled;
data["GPU"]["directMemoryAccess"] = directMemoryAccessEnabled;
data["GPU"]["dumpShaders"] = shouldDumpShaders;
data["GPU"]["patchShaders"] = shouldPatchShaders;
@ -902,6 +910,7 @@ void setDefaultValues() {
isNullGpu = false;
shouldCopyGPUBuffers = false;
readbacksEnabled = false;
readbackLinearImagesEnabled = false;
directMemoryAccessEnabled = false;
shouldDumpShaders = false;
shouldPatchShaders = false;

1
src/common/config.h
View file

@ -47,6 +47,7 @@ bool copyGPUCmdBuffers();
void setCopyGPUCmdBuffers(bool enable);
bool readbacks();
void setReadbacks(bool enable);
bool readbackLinearImages();
bool directMemoryAccess();
void setDirectMemoryAccess(bool enable);
bool dumpShaders();

7
src/video_core/texture_cache/texture_cache.cpp
View file

@ -5,6 +5,7 @@
#include <xxhash.h>
#include "common/assert.h"
#include "common/config.h"
#include "common/debug.h"
#include "core/memory.h"
#include "video_core/buffer_cache/buffer_cache.h"
@ -486,7 +487,8 @@ ImageView& TextureCache::FindTexture(ImageId image_id, const BaseDesc& desc) {
Image& image = slot_images[image_id];
if (desc.type == BindingType::Storage) {
image.flags |= ImageFlagBits::GpuModified;
if (image.info.tiling_mode == AmdGpu::TilingMode::Display_Linear) {
if (Config::readbackLinearImages() &&
image.info.tiling_mode == AmdGpu::TilingMode::Display_Linear) {
download_images.emplace(image_id);
}
}
@ -498,7 +500,8 @@ ImageView& TextureCache::FindRenderTarget(BaseDesc& desc) {
const ImageId image_id = FindImage(desc);
Image& image = slot_images[image_id];
image.flags |= ImageFlagBits::GpuModified;
if (image.info.tiling_mode == AmdGpu::TilingMode::Display_Linear) {
if (Config::readbackLinearImages() &&
image.info.tiling_mode == AmdGpu::TilingMode::Display_Linear) {
download_images.emplace(image_id);
}
image.usage.render_target = 1u;