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Texture_Cache: Redo invalid Surfaces handling.

Browse source 
This commit aims to redo the full setup of invalid textures and
guarantee correct behavior across backends in the case of finding one by
using black dummy textures that match the target of the expected
texture.
This commit is contained in:
Fernando Sahmkow 2019-10-16 10:47:44 -04:00 committed by FernandoS27
parent c52f37f259
commit cc81c0ce64
3 changed files with 101 additions and 32 deletions
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10
src/video_core/texture_cache/surface_params.cpp
View file

@ -246,6 +246,16 @@ SurfaceParams SurfaceParams::CreateForFermiCopySurface(
return params;
}
VideoCore::Surface::SurfaceTarget SurfaceParams::ExpectedTarget(
const VideoCommon::Shader::Sampler& entry) {
return TextureTypeToSurfaceTarget(entry.GetType(), entry.IsArray());
}
VideoCore::Surface::SurfaceTarget SurfaceParams::ExpectedTarget(
const VideoCommon::Shader::Image& entry) {
return ImageTypeToSurfaceTarget(entry.GetType());
}
bool SurfaceParams::IsLayered() const {
switch (target) {
case SurfaceTarget::Texture1DArray:

8
src/video_core/texture_cache/surface_params.h
View file

@ -45,6 +45,14 @@ public:
static SurfaceParams CreateForFermiCopySurface(
const Tegra::Engines::Fermi2D::Regs::Surface& config);
/// Obtains the texture target from a shader's sampler entry.
static VideoCore::Surface::SurfaceTarget ExpectedTarget(
const VideoCommon::Shader::Sampler& entry);
/// Obtains the texture target from a shader's sampler entry.
static VideoCore::Surface::SurfaceTarget ExpectedTarget(
const VideoCommon::Shader::Image& entry);
std::size_t Hash() const {
return static_cast<std::size_t>(
Common::CityHash64(reinterpret_cast<const char*>(this), sizeof(*this)));

115
src/video_core/texture_cache/texture_cache.h
View file

@ -95,10 +95,16 @@ public:
std::lock_guard lock{mutex};
const auto gpu_addr{tic.Address()};
if (!gpu_addr) {
return {};
return GetNullSurface(SurfaceParams::ExpectedTarget(entry));
}
const auto host_ptr{system.GPU().MemoryManager().GetPointer(gpu_addr)};
const auto cache_addr{ToCacheAddr(host_ptr)};
if (!cache_addr) {
return GetNullSurface(SurfaceParams::ExpectedTarget(entry));
}
const auto params{SurfaceParams::CreateForTexture(format_lookup_table, tic, entry)};
const auto [surface, view] = GetSurface(gpu_addr, params, true, false);
const auto [surface, view] = GetSurface(gpu_addr, cache_addr, params, true, false);
if (guard_samplers) {
sampled_textures.push_back(surface);
}
@ -110,10 +116,15 @@ public:
std::lock_guard lock{mutex};
const auto gpu_addr{tic.Address()};
if (!gpu_addr) {
return {};
return GetNullSurface(SurfaceParams::ExpectedTarget(entry));
}
const auto host_ptr{system.GPU().MemoryManager().GetPointer(gpu_addr)};
const auto cache_addr{ToCacheAddr(host_ptr)};
if (!cache_addr) {
return GetNullSurface(SurfaceParams::ExpectedTarget(entry));
}
const auto params{SurfaceParams::CreateForImage(format_lookup_table, tic, entry)};
const auto [surface, view] = GetSurface(gpu_addr, params, true, false);
const auto [surface, view] = GetSurface(gpu_addr, cache_addr, params, true, false);
if (guard_samplers) {
sampled_textures.push_back(surface);
}
@ -143,11 +154,17 @@ public:
SetEmptyDepthBuffer();
return {};
}
const auto host_ptr{system.GPU().MemoryManager().GetPointer(gpu_addr)};
const auto cache_addr{ToCacheAddr(host_ptr)};
if (!cache_addr) {
SetEmptyDepthBuffer();
return {};
}
const auto depth_params{SurfaceParams::CreateForDepthBuffer(
system, regs.zeta_width, regs.zeta_height, regs.zeta.format,
regs.zeta.memory_layout.block_width, regs.zeta.memory_layout.block_height,
regs.zeta.memory_layout.block_depth, regs.zeta.memory_layout.type)};
auto surface_view = GetSurface(gpu_addr, depth_params, preserve_contents, true);
auto surface_view = GetSurface(gpu_addr, cache_addr, depth_params, preserve_contents, true);
if (depth_buffer.target)
depth_buffer.target->MarkAsRenderTarget(false, NO_RT);
depth_buffer.target = surface_view.first;
@ -180,8 +197,16 @@ public:
return {};
}
auto surface_view = GetSurface(gpu_addr, SurfaceParams::CreateForFramebuffer(system, index),
preserve_contents, true);
const auto host_ptr{system.GPU().MemoryManager().GetPointer(gpu_addr)};
const auto cache_addr{ToCacheAddr(host_ptr)};
if (!cache_addr) {
SetEmptyColorBuffer(index);
return {};
}
auto surface_view =
GetSurface(gpu_addr, cache_addr, SurfaceParams::CreateForFramebuffer(system, index),
preserve_contents, true);
if (render_targets[index].target)
render_targets[index].target->MarkAsRenderTarget(false, NO_RT);
render_targets[index].target = surface_view.first;
@ -230,8 +255,14 @@ public:
const GPUVAddr src_gpu_addr = src_config.Address();
const GPUVAddr dst_gpu_addr = dst_config.Address();
DeduceBestBlit(src_params, dst_params, src_gpu_addr, dst_gpu_addr);
std::pair<TSurface, TView> dst_surface = GetSurface(dst_gpu_addr, dst_params, true, false);
std::pair<TSurface, TView> src_surface = GetSurface(src_gpu_addr, src_params, true, false);
const auto dst_host_ptr{system.GPU().MemoryManager().GetPointer(dst_gpu_addr)};
const auto dst_cache_addr{ToCacheAddr(dst_host_ptr)};
const auto src_host_ptr{system.GPU().MemoryManager().GetPointer(src_gpu_addr)};
const auto src_cache_addr{ToCacheAddr(src_host_ptr)};
std::pair<TSurface, TView> dst_surface =
GetSurface(dst_gpu_addr, dst_cache_addr, dst_params, true, false);
std::pair<TSurface, TView> src_surface =
GetSurface(src_gpu_addr, src_cache_addr, src_params, true, false);
ImageBlit(src_surface.second, dst_surface.second, copy_config);
dst_surface.first->MarkAsModified(true, Tick());
}
@ -347,13 +378,6 @@ protected:
return new_surface;
}
std::pair<TSurface, TView> GetFermiSurface(
const Tegra::Engines::Fermi2D::Regs::Surface& config) {
SurfaceParams params = SurfaceParams::CreateForFermiCopySurface(config);
const GPUVAddr gpu_addr = config.Address();
return GetSurface(gpu_addr, params, true, false);
}
Core::System& system;
private:
@ -614,22 +638,9 @@ private:
* left blank.
* @param is_render Whether or not the surface is a render target.
**/
std::pair<TSurface, TView> GetSurface(const GPUVAddr gpu_addr, const SurfaceParams& params,
bool preserve_contents, bool is_render) {
const auto host_ptr{system.GPU().MemoryManager().GetPointer(gpu_addr)};
const auto cache_addr{ToCacheAddr(host_ptr)};
// Step 0: guarantee a valid surface
if (!cache_addr) {
// Return a null surface if it's invalid
SurfaceParams new_params = params;
new_params.width = 1;
new_params.height = 1;
new_params.depth = 1;
new_params.block_height = 0;
new_params.block_depth = 0;
return InitializeSurface(gpu_addr, new_params, false);
}
std::pair<TSurface, TView> GetSurface(const GPUVAddr gpu_addr, const CacheAddr cache_addr,
const SurfaceParams& params, bool preserve_contents,
bool is_render) {
// Step 1
// Check Level 1 Cache for a fast structural match. If candidate surface
@ -793,6 +804,41 @@ private:
}
}
/**
* Gets a null surface based on a target texture.
* @param target The target of the null surface.
*/
TView GetNullSurface(SurfaceTarget target) {
const u32 i_target = static_cast<u32>(target);
if (const auto it = invalid_cache.find(i_target); it != invalid_cache.end()) {
return it->second->GetMainView();
}
SurfaceParams params{};
params.target = target;
params.is_tiled = false;
params.srgb_conversion = false;
params.is_layered = false;
params.block_width = 0;
params.block_height = 0;
params.block_depth = 0;
params.tile_width_spacing = 1;
params.width = 1;
params.height = 1;
params.depth = 1;
params.pitch = 4;
params.num_levels = 1;
params.emulated_levels = 1;
params.pixel_format = VideoCore::Surface::PixelFormat::RGBA16F;
params.type = VideoCore::Surface::SurfaceType::ColorTexture;
auto surface = CreateSurface(0ULL, params);
invalid_memory.clear();
invalid_memory.resize(surface->GetHostSizeInBytes(), 0U);
surface->UploadTexture(invalid_memory);
surface->MarkAsModified(false, Tick());
invalid_cache.emplace(i_target, surface);
return surface->GetMainView();
}
/**
* Gets the a source and destination starting address and parameters,
* and tries to deduce if they are supposed to be depth textures. If so, their
@ -991,6 +1037,11 @@ private:
std::vector<TSurface> sampled_textures;
/// This cache stores null surfaces in order to be used as a placeholder
/// for invalid texture calls.
std::unordered_map<u32, TSurface> invalid_cache;
std::vector<u8> invalid_memory;
StagingCache staging_cache;
std::recursive_mutex mutex;
};