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Corrections to Structural Matching 

The texture will now be reconstructed if the width only matches on GoB 
alignment.
This commit is contained in:
Fernando Sahmkow 2019-05-07 13:58:37 -04:00 committed by ReinUsesLisp
parent bc930754cc
commit b711cdce78
2 changed files with 53 additions and 24 deletions
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64
src/video_core/texture_cache/surface_base.h
View File

@ -17,8 +17,7 @@
#include "video_core/texture_cache/surface_view.h"
template <class ForwardIt, class T, class Compare = std::less<>>
ForwardIt binary_find(ForwardIt first, ForwardIt last, const T& value, Compare comp={})
{
ForwardIt binary_find(ForwardIt first, ForwardIt last, const T& value, Compare comp = {}) {
// Note: BOTH type T and the type after ForwardIt is dereferenced
// must be implicitly convertible to BOTH Type1 and Type2, used in Compare.
// This is stricter than lower_bound requirement (see above)
@ -33,8 +32,14 @@ class MemoryManager;
namespace VideoCommon {
using VideoCore::Surface::SurfaceTarget;
using VideoCore::MortonSwizzleMode;
using VideoCore::Surface::SurfaceTarget;
enum class MatchStructureResult : u32 {
FullMatch = 0,
SemiMatch = 1,
None = 2,
};
class SurfaceBaseImpl {
public:
@ -106,17 +111,26 @@ public:
return std::tie(src_bpp, params.is_tiled) == std::tie(dst_bpp, rhs.is_tiled);
}
bool MatchesStructure(const SurfaceParams& rhs) const {
MatchStructureResult MatchesStructure(const SurfaceParams& rhs) const {
if (params.is_tiled) {
const u32 a_width1 = params.GetBlockAlignedWidth();
const u32 a_width2 = rhs.GetBlockAlignedWidth();
return std::tie(a_width1, params.height, params.depth, params.block_width,
params.block_height, params.block_depth, params.tile_width_spacing) ==
std::tie(a_width2, rhs.height, rhs.depth, rhs.block_width, rhs.block_height,
rhs.block_depth, rhs.tile_width_spacing);
if (std::tie(params.height, params.depth, params.block_width, params.block_height,
params.block_depth, params.tile_width_spacing) ==
std::tie(rhs.height, rhs.depth, rhs.block_width, rhs.block_height, rhs.block_depth,
rhs.tile_width_spacing)) {
if (params.width == rhs.width) {
return MatchStructureResult::FullMatch;
}
if (params.GetBlockAlignedWidth() == rhs.GetBlockAlignedWidth()) {
return MatchStructureResult::SemiMatch;
}
}
return MatchStructureResult::None;
} else {
return std::tie(params.width, params.height, params.pitch) ==
std::tie(rhs.width, rhs.height, rhs.pitch);
if (std::tie(params.width, params.height, params.pitch) ==
std::tie(rhs.width, rhs.height, rhs.pitch)) {
return MatchStructureResult::FullMatch;
}
return MatchStructureResult::None;
}
}
@ -126,15 +140,16 @@ public:
const GPUVAddr relative_address = candidate_gpu_addr - gpu_addr;
const u32 layer = relative_address / layer_size;
const GPUVAddr mipmap_address = relative_address - layer_size * layer;
const auto mipmap_it = binary_find(mipmap_offsets.begin(), mipmap_offsets.end(), mipmap_address);
const auto mipmap_it =
binary_find(mipmap_offsets.begin(), mipmap_offsets.end(), mipmap_address);
if (mipmap_it != mipmap_offsets.end()) {
return {{layer, std::distance(mipmap_offsets.begin(), mipmap_it)}};
}
return {};
}
std::vector<CopyParams> BreakDown() const {
auto set_up_copy = [](CopyParams& cp, const SurfaceParams& params, const u32 depth,
std::vector<CopyParams> BreakDown(const SurfaceParams& in_params) const {
auto set_up_copy = [](CopyParams& cp, const u32 width, const u32 height, const u32 depth,
const u32 level) {
cp.source_x = 0;
cp.source_y = 0;
@ -144,8 +159,8 @@ public:
cp.dest_z = 0;
cp.source_level = level;
cp.dest_level = level;
cp.width = params.GetMipWidth(level);
cp.height = params.GetMipHeight(level);
cp.width = width;
cp.height = height;
cp.depth = depth;
};
const u32 layers = params.depth;
@ -156,7 +171,11 @@ public:
const u32 layer_offset = layer * mipmaps;
for (std::size_t level = 0; level < mipmaps; level++) {
CopyParams& cp = result[layer_offset + level];
set_up_copy(cp, params, layer, level);
const u32 width =
std::min(params.GetMipWidth(level), in_params.GetMipWidth(level));
const u32 height =
std::min(params.GetMipHeight(level), in_params.GetMipHeight(level));
set_up_copy(cp, width, height, layer, level);
}
}
return result;
@ -164,7 +183,11 @@ public:
std::vector<CopyParams> result{mipmaps};
for (std::size_t level = 0; level < mipmaps; level++) {
CopyParams& cp = result[level];
set_up_copy(cp, params, params.GetMipDepth(level), level);
const u32 width = std::min(params.GetMipWidth(level), in_params.GetMipWidth(level));
const u32 height =
std::min(params.GetMipHeight(level), in_params.GetMipHeight(level));
const u32 depth = std::min(params.GetMipDepth(level), in_params.GetMipDepth(level));
set_up_copy(cp, width, height, depth, level);
}
return result;
}
@ -254,7 +277,8 @@ public:
std::optional<TView> EmplaceView(const SurfaceParams& view_params, const GPUVAddr view_addr) {
if (view_addr < gpu_addr)
return {};
if (params.target == SurfaceTarget::Texture3D || view_params.target == SurfaceTarget::Texture3D) {
if (params.target == SurfaceTarget::Texture3D ||
view_params.target == SurfaceTarget::Texture3D) {
return {};
}
const std::size_t size = view_params.GetGuestSizeInBytes();

9
src/video_core/texture_cache/texture_cache.h
View File

@ -284,7 +284,7 @@ private:
const SurfaceParams& params) {
const auto gpu_addr = current_surface->GetGpuAddr();
TSurface new_surface = GetUncachedSurface(gpu_addr, params);
std::vector<CopyParams> bricks = current_surface->BreakDown();
std::vector<CopyParams> bricks = current_surface->BreakDown(params);
for (auto& brick : bricks) {
ImageCopy(current_surface, new_surface, brick);
}
@ -370,11 +370,16 @@ private:
if (overlaps.size() == 1) {
TSurface current_surface = overlaps[0];
if (current_surface->MatchesStructure(params) &&
MatchStructureResult s_result = current_surface->MatchesStructure(params);
if (s_result != MatchStructureResult::None &&
current_surface->GetGpuAddr() == gpu_addr &&
(params.target != SurfaceTarget::Texture3D ||
current_surface->MatchTarget(params.target))) {
if (s_result == MatchStructureResult::FullMatch) {
return ManageStructuralMatch(current_surface, params);
} else {
return RebuildMirage(current_surface, params);
}
}
if (current_surface->GetSizeInBytes() <= candidate_size) {
return RecycleSurface(overlaps, params, gpu_addr, host_ptr, preserve_contents,