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texture_cache: Corrections, documentation and asserts

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This commit is contained in:
Fernando Sahmkow 2019-06-25 18:36:19 -04:00
parent c0abc7124d
commit 88bc39374f
1 changed files with 42 additions and 42 deletions
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70
src/video_core/texture_cache/texture_cache.h
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@ -60,10 +60,10 @@ public:
} }
} }
/** /***
* `Guard` guarantees that rendertargets don't unregister themselves if the * `Guard` guarantees that rendertargets don't unregister themselves if the
* collide. Protection is currently only done on 3D slices. * collide. Protection is currently only done on 3D slices.
**/ ***/
void GuardRenderTargets(bool new_guard) { void GuardRenderTargets(bool new_guard) {
guard_render_targets = new_guard; guard_render_targets = new_guard;
} }
@ -191,20 +191,22 @@ public:
} }
void SetEmptyDepthBuffer() { void SetEmptyDepthBuffer() {
if (depth_buffer.target != nullptr) { if (depth_buffer.target == nullptr) {
return;
}
depth_buffer.target->MarkAsRenderTarget(false); depth_buffer.target->MarkAsRenderTarget(false);
depth_buffer.target = nullptr; depth_buffer.target = nullptr;
depth_buffer.view = nullptr; depth_buffer.view = nullptr;
} }
}
void SetEmptyColorBuffer(std::size_t index) { void SetEmptyColorBuffer(std::size_t index) {
if (render_targets[index].target != nullptr) { if (render_targets[index].target == nullptr) {
return;
}
render_targets[index].target->MarkAsRenderTarget(false); render_targets[index].target->MarkAsRenderTarget(false);
render_targets[index].target = nullptr; render_targets[index].target = nullptr;
render_targets[index].view = nullptr; render_targets[index].view = nullptr;
} }
}
void DoFermiCopy(const Tegra::Engines::Fermi2D::Regs::Surface& src_config, void DoFermiCopy(const Tegra::Engines::Fermi2D::Regs::Surface& src_config,
const Tegra::Engines::Fermi2D::Regs::Surface& dst_config, const Tegra::Engines::Fermi2D::Regs::Surface& dst_config,
@ -283,8 +285,8 @@ protected:
gpu_addr); gpu_addr);
return; return;
} }
bool continuouty = system.GPU().MemoryManager().IsBlockContinuous(gpu_addr, size); const bool continuous = system.GPU().MemoryManager().IsBlockContinuous(gpu_addr, size);
surface->MarkAsContinuous(continuouty); surface->MarkAsContinuous(continuous);
surface->SetCacheAddr(cache_ptr); surface->SetCacheAddr(cache_ptr);
surface->SetCpuAddr(*cpu_addr); surface->SetCpuAddr(*cpu_addr);
RegisterInnerCache(surface); RegisterInnerCache(surface);
@ -381,8 +383,8 @@ private:
const SurfaceParams& params, const GPUVAddr gpu_addr, const SurfaceParams& params, const GPUVAddr gpu_addr,
const bool preserve_contents, const bool preserve_contents,
const MatchTopologyResult untopological) { const MatchTopologyResult untopological) {
const bool do_load = Settings::values.use_accurate_gpu_emulation && preserve_contents; const bool do_load = preserve_contents && Settings::values.use_accurate_gpu_emulation;
for (auto surface : overlaps) { for (auto& surface : overlaps) {
Unregister(surface); Unregister(surface);
} }
switch (PickStrategy(overlaps, params, gpu_addr, untopological)) { switch (PickStrategy(overlaps, params, gpu_addr, untopological)) {
@ -394,7 +396,7 @@ private:
[](const TSurface& a, const TSurface& b) -> bool { [](const TSurface& a, const TSurface& b) -> bool {
return a->GetModificationTick() < b->GetModificationTick(); return a->GetModificationTick() < b->GetModificationTick();
}); });
for (auto surface : overlaps) { for (auto& surface : overlaps) {
FlushSurface(surface); FlushSurface(surface);
} }
return InitializeSurface(gpu_addr, params, preserve_contents); return InitializeSurface(gpu_addr, params, preserve_contents);
@ -460,20 +462,20 @@ private:
const SurfaceParams& params, bool is_render) { const SurfaceParams& params, bool is_render) {
const bool is_mirage = !current_surface->MatchFormat(params.pixel_format); const bool is_mirage = !current_surface->MatchFormat(params.pixel_format);
const bool matches_target = current_surface->MatchTarget(params.target); const bool matches_target = current_surface->MatchTarget(params.target);
auto match_check = ([&]() -> std::pair<TSurface, TView> { const auto match_check = ([&]() -> std::pair<TSurface, TView> {
if (matches_target) { if (matches_target) {
return {current_surface, current_surface->GetMainView()}; return {current_surface, current_surface->GetMainView()};
} }
return {current_surface, current_surface->EmplaceOverview(params)}; return {current_surface, current_surface->EmplaceOverview(params)};
}); });
if (is_mirage) { if (!is_mirage) {
return match_check();
}
if (!is_render && siblings_table[current_surface->GetFormat()] == params.pixel_format) { if (!is_render && siblings_table[current_surface->GetFormat()] == params.pixel_format) {
return match_check(); return match_check();
} }
return RebuildSurface(current_surface, params, is_render); return RebuildSurface(current_surface, params, is_render);
} }
return match_check();
}
/** /**
* `TryReconstructSurface` unlike `RebuildSurface` where we know the registered surface * `TryReconstructSurface` unlike `RebuildSurface` where we know the registered surface
@ -493,7 +495,7 @@ private:
bool modified = false; bool modified = false;
TSurface new_surface = GetUncachedSurface(gpu_addr, params); TSurface new_surface = GetUncachedSurface(gpu_addr, params);
u32 passed_tests = 0; u32 passed_tests = 0;
for (auto surface : overlaps) { for (auto& surface : overlaps) {
const SurfaceParams& src_params = surface->GetSurfaceParams(); const SurfaceParams& src_params = surface->GetSurfaceParams();
if (src_params.is_layered || src_params.num_levels > 1) { if (src_params.is_layered || src_params.num_levels > 1) {
// We send this cases to recycle as they are more complex to handle // We send this cases to recycle as they are more complex to handle
@ -504,8 +506,7 @@ private:
if (!mipmap_layer) { if (!mipmap_layer) {
continue; continue;
} }
const u32 layer{mipmap_layer->first}; const auto [layer, mipmap] = *mipmap_layer;
const u32 mipmap{mipmap_layer->second};
if (new_surface->GetMipmapSize(mipmap) != candidate_size) { if (new_surface->GetMipmapSize(mipmap) != candidate_size) {
continue; continue;
} }
@ -519,7 +520,7 @@ private:
} }
if (passed_tests == 0) { if (passed_tests == 0) {
return {}; return {};
// In Accurate GPU all test should pass, else we recycle // In Accurate GPU all tests should pass, else we recycle
} else if (Settings::values.use_accurate_gpu_emulation && passed_tests != overlaps.size()) { } else if (Settings::values.use_accurate_gpu_emulation && passed_tests != overlaps.size()) {
return {}; return {};
} }
@ -548,7 +549,6 @@ private:
**/ **/
std::pair<TSurface, TView> GetSurface(const GPUVAddr gpu_addr, const SurfaceParams& params, std::pair<TSurface, TView> GetSurface(const GPUVAddr gpu_addr, const SurfaceParams& params,
bool preserve_contents, bool is_render) { bool preserve_contents, bool is_render) {
const auto host_ptr{system.GPU().MemoryManager().GetPointer(gpu_addr)}; const auto host_ptr{system.GPU().MemoryManager().GetPointer(gpu_addr)};
const auto cache_addr{ToCacheAddr(host_ptr)}; const auto cache_addr{ToCacheAddr(host_ptr)};
@ -570,17 +570,17 @@ private:
auto iter = l1_cache.find(cache_addr); auto iter = l1_cache.find(cache_addr);
if (iter != l1_cache.end()) { if (iter != l1_cache.end()) {
TSurface& current_surface = iter->second; TSurface& current_surface = iter->second;
auto topological_result = current_surface->MatchesTopology(params); const auto topological_result = current_surface->MatchesTopology(params);
if (topological_result != MatchTopologyResult::FullMatch) { if (topological_result != MatchTopologyResult::FullMatch) {
std::vector<TSurface> overlaps{current_surface}; std::vector<TSurface> overlaps{current_surface};
return RecycleSurface(overlaps, params, gpu_addr, preserve_contents, return RecycleSurface(overlaps, params, gpu_addr, preserve_contents,
topological_result); topological_result);
} }
MatchStructureResult s_result = current_surface->MatchesStructure(params); const auto struct_result = current_surface->MatchesStructure(params);
if (s_result != MatchStructureResult::None && if (struct_result != MatchStructureResult::None &&
(params.target != SurfaceTarget::Texture3D || (params.target != SurfaceTarget::Texture3D ||
current_surface->MatchTarget(params.target))) { current_surface->MatchTarget(params.target))) {
if (s_result == MatchStructureResult::FullMatch) { if (struct_result == MatchStructureResult::FullMatch) {
return ManageStructuralMatch(current_surface, params, is_render); return ManageStructuralMatch(current_surface, params, is_render);
} else { } else {
return RebuildSurface(current_surface, params, is_render); return RebuildSurface(current_surface, params, is_render);
@ -602,8 +602,8 @@ private:
// Now we need to figure the relationship between the texture and its overlaps // Now we need to figure the relationship between the texture and its overlaps
// we do a topological test to ensure we can find some relationship. If it fails // we do a topological test to ensure we can find some relationship. If it fails
// inmediatly recycle the texture // inmediatly recycle the texture
for (auto surface : overlaps) { for (const auto& surface : overlaps) {
auto topological_result = surface->MatchesTopology(params); const auto topological_result = surface->MatchesTopology(params);
if (topological_result != MatchTopologyResult::FullMatch) { if (topological_result != MatchTopologyResult::FullMatch) {
return RecycleSurface(overlaps, params, gpu_addr, preserve_contents, return RecycleSurface(overlaps, params, gpu_addr, preserve_contents,
topological_result); topological_result);
@ -620,7 +620,7 @@ private:
if (current_surface->GetGpuAddr() == gpu_addr) { if (current_surface->GetGpuAddr() == gpu_addr) {
std::optional<std::pair<TSurface, TView>> view = std::optional<std::pair<TSurface, TView>> view =
TryReconstructSurface(overlaps, params, gpu_addr); TryReconstructSurface(overlaps, params, gpu_addr);
if (view.has_value()) { if (view) {
return *view; return *view;
} }
} }
@ -630,7 +630,7 @@ private:
// Now we check if the candidate is a mipmap/layer of the overlap // Now we check if the candidate is a mipmap/layer of the overlap
std::optional<TView> view = std::optional<TView> view =
current_surface->EmplaceView(params, gpu_addr, candidate_size); current_surface->EmplaceView(params, gpu_addr, candidate_size);
if (view.has_value()) { if (view) {
const bool is_mirage = !current_surface->MatchFormat(params.pixel_format); const bool is_mirage = !current_surface->MatchFormat(params.pixel_format);
if (is_mirage) { if (is_mirage) {
// On a mirage view, we need to recreate the surface under this new view // On a mirage view, we need to recreate the surface under this new view
@ -669,7 +669,7 @@ private:
// using the overlaps. If a single overlap fails, this will fail. // using the overlaps. If a single overlap fails, this will fail.
std::optional<std::pair<TSurface, TView>> view = std::optional<std::pair<TSurface, TView>> view =
TryReconstructSurface(overlaps, params, gpu_addr); TryReconstructSurface(overlaps, params, gpu_addr);
if (view.has_value()) { if (view) {
return *view; return *view;
} }
} }
@ -738,16 +738,16 @@ private:
std::vector<TSurface> surfaces; std::vector<TSurface> surfaces;
while (start <= end) { while (start <= end) {
std::vector<TSurface>& list = registry[start]; std::vector<TSurface>& list = registry[start];
for (auto& s : list) { for (auto& surface : list) {
if (!s->IsPicked() && s->Overlaps(cache_addr, cache_addr_end)) { if (!surface->IsPicked() && surface->Overlaps(cache_addr, cache_addr_end)) {
s->MarkAsPicked(true); surface->MarkAsPicked(true);
surfaces.push_back(s); surfaces.push_back(surface);
} }
} }
start++; start++;
} }
for (auto& s : surfaces) { for (auto& surface : surfaces) {
s->MarkAsPicked(false); surface->MarkAsPicked(false);
} }
return surfaces; return surfaces;
} }