diff --git a/src/video_core/renderer_opengl/gl_rasterizer.cpp b/src/video_core/renderer_opengl/gl_rasterizer.cpp index 6fe155bcc..69a74449c 100644 --- a/src/video_core/renderer_opengl/gl_rasterizer.cpp +++ b/src/video_core/renderer_opengl/gl_rasterizer.cpp @@ -348,7 +348,7 @@ void RasterizerOpenGL::ConfigureFramebuffers() { texture_cache.GuardRenderTargets(true); - View depth_surface = texture_cache.GetDepthBufferSurface(); + View depth_surface = texture_cache.GetDepthBufferSurface(true); const auto& regs = gpu.regs; UNIMPLEMENTED_IF(regs.rt_separate_frag_data == 0); @@ -357,7 +357,7 @@ void RasterizerOpenGL::ConfigureFramebuffers() { FramebufferCacheKey key; const auto colors_count = static_cast(regs.rt_control.count); for (std::size_t index = 0; index < colors_count; ++index) { - View color_surface{texture_cache.GetColorBufferSurface(index)}; + View color_surface{texture_cache.GetColorBufferSurface(index, true)}; if (!color_surface) { continue; } @@ -381,28 +381,52 @@ void RasterizerOpenGL::ConfigureFramebuffers() { glBindFramebuffer(GL_DRAW_FRAMEBUFFER, framebuffer_cache.GetFramebuffer(key)); } -void RasterizerOpenGL::ConfigureClearFramebuffer(bool using_color_fb, bool using_depth_fb, - bool using_stencil_fb) { +void RasterizerOpenGL::ConfigureClearFramebuffer(bool using_color, bool using_depth_stencil) { auto& gpu = system.GPU().Maxwell3D(); const auto& regs = gpu.regs; texture_cache.GuardRenderTargets(true); View color_surface; - if (using_color_fb) { + + if (using_color) { + // Determine if we have to preserve the contents. + // First we have to make sure all clear masks are enabled. + bool preserve_contents = !regs.clear_buffers.R || !regs.clear_buffers.G || + !regs.clear_buffers.B || !regs.clear_buffers.A; const std::size_t index = regs.clear_buffers.RT; - color_surface = texture_cache.GetColorBufferSurface(index); + if (regs.clear_flags.scissor) { + // Then we have to confirm scissor testing clears the whole image. + const auto& scissor = regs.scissor_test[0]; + preserve_contents |= scissor.min_x > 0; + preserve_contents |= scissor.min_y > 0; + preserve_contents |= scissor.max_x < regs.rt[index].width; + preserve_contents |= scissor.max_y < regs.rt[index].height; + } + + color_surface = texture_cache.GetColorBufferSurface(index, preserve_contents); texture_cache.MarkColorBufferInUse(index); } + View depth_surface; - if (using_depth_fb || using_stencil_fb) { - depth_surface = texture_cache.GetDepthBufferSurface(); + if (using_depth_stencil) { + bool preserve_contents = false; + if (regs.clear_flags.scissor) { + // For depth stencil clears we only have to confirm scissor test covers the whole image. + const auto& scissor = regs.scissor_test[0]; + preserve_contents |= scissor.min_x > 0; + preserve_contents |= scissor.min_y > 0; + preserve_contents |= scissor.max_x < regs.zeta_width; + preserve_contents |= scissor.max_y < regs.zeta_height; + } + + depth_surface = texture_cache.GetDepthBufferSurface(preserve_contents); texture_cache.MarkDepthBufferInUse(); } texture_cache.GuardRenderTargets(false); FramebufferCacheKey key; - key.colors[0] = color_surface; - key.zeta = depth_surface; + key.colors[0] = std::move(color_surface); + key.zeta = std::move(depth_surface); state_tracker.NotifyFramebuffer(); glBindFramebuffer(GL_DRAW_FRAMEBUFFER, framebuffer_cache.GetFramebuffer(key)); @@ -422,8 +446,7 @@ void RasterizerOpenGL::Clear() { if (regs.clear_buffers.R || regs.clear_buffers.G || regs.clear_buffers.B || regs.clear_buffers.A) { use_color = true; - } - if (use_color) { + state_tracker.NotifyColorMask0(); glColorMaski(0, regs.clear_buffers.R != 0, regs.clear_buffers.G != 0, regs.clear_buffers.B != 0, regs.clear_buffers.A != 0); @@ -461,7 +484,7 @@ void RasterizerOpenGL::Clear() { UNIMPLEMENTED_IF(regs.clear_flags.viewport); - ConfigureClearFramebuffer(use_color, use_depth, use_stencil); + ConfigureClearFramebuffer(use_color, use_depth || use_stencil); if (use_color) { glClearBufferfv(GL_COLOR, 0, regs.clear_color); diff --git a/src/video_core/renderer_opengl/gl_rasterizer.h b/src/video_core/renderer_opengl/gl_rasterizer.h index ebd2173eb..87249fb6f 100644 --- a/src/video_core/renderer_opengl/gl_rasterizer.h +++ b/src/video_core/renderer_opengl/gl_rasterizer.h @@ -95,7 +95,8 @@ private: /// Configures the color and depth framebuffer states. void ConfigureFramebuffers(); - void ConfigureClearFramebuffer(bool using_color_fb, bool using_depth_fb, bool using_stencil_fb); + /// Configures the color and depth framebuffer for clearing. + void ConfigureClearFramebuffer(bool using_color, bool using_depth_stencil); /// Configures the current constbuffers to use for the draw command. void SetupDrawConstBuffers(std::size_t stage_index, const Shader& shader); diff --git a/src/video_core/renderer_vulkan/vk_rasterizer.cpp b/src/video_core/renderer_vulkan/vk_rasterizer.cpp index c821b1229..776053de5 100644 --- a/src/video_core/renderer_vulkan/vk_rasterizer.cpp +++ b/src/video_core/renderer_vulkan/vk_rasterizer.cpp @@ -656,7 +656,7 @@ RasterizerVulkan::Texceptions RasterizerVulkan::UpdateAttachments() { Texceptions texceptions; for (std::size_t rt = 0; rt < Maxwell::NumRenderTargets; ++rt) { if (update_rendertargets) { - color_attachments[rt] = texture_cache.GetColorBufferSurface(rt); + color_attachments[rt] = texture_cache.GetColorBufferSurface(rt, true); } if (color_attachments[rt] && WalkAttachmentOverlaps(*color_attachments[rt])) { texceptions[rt] = true; @@ -664,7 +664,7 @@ RasterizerVulkan::Texceptions RasterizerVulkan::UpdateAttachments() { } if (update_rendertargets) { - zeta_attachment = texture_cache.GetDepthBufferSurface(); + zeta_attachment = texture_cache.GetDepthBufferSurface(true); } if (zeta_attachment && WalkAttachmentOverlaps(*zeta_attachment)) { texceptions[ZETA_TEXCEPTION_INDEX] = true; diff --git a/src/video_core/texture_cache/texture_cache.h b/src/video_core/texture_cache/texture_cache.h index cf6bd005a..d2d2846e6 100644 --- a/src/video_core/texture_cache/texture_cache.h +++ b/src/video_core/texture_cache/texture_cache.h @@ -143,7 +143,7 @@ public: } const auto params{SurfaceParams::CreateForTexture(format_lookup_table, tic, entry)}; - const auto [surface, view] = GetSurface(gpu_addr, *cpu_addr, params, false); + const auto [surface, view] = GetSurface(gpu_addr, *cpu_addr, params, true, false); if (guard_samplers) { sampled_textures.push_back(surface); } @@ -163,7 +163,7 @@ public: return GetNullSurface(SurfaceParams::ExpectedTarget(entry)); } const auto params{SurfaceParams::CreateForImage(format_lookup_table, tic, entry)}; - const auto [surface, view] = GetSurface(gpu_addr, *cpu_addr, params, false); + const auto [surface, view] = GetSurface(gpu_addr, *cpu_addr, params, true, false); if (guard_samplers) { sampled_textures.push_back(surface); } @@ -178,7 +178,7 @@ public: return any_rt; } - TView GetDepthBufferSurface() { + TView GetDepthBufferSurface(bool preserve_contents) { std::lock_guard lock{mutex}; auto& maxwell3d = system.GPU().Maxwell3D(); if (!maxwell3d.dirty.flags[VideoCommon::Dirty::ZetaBuffer]) { @@ -199,7 +199,7 @@ public: return {}; } const auto depth_params{SurfaceParams::CreateForDepthBuffer(system)}; - auto surface_view = GetSurface(gpu_addr, *cpu_addr, depth_params, true); + auto surface_view = GetSurface(gpu_addr, *cpu_addr, depth_params, preserve_contents, true); if (depth_buffer.target) depth_buffer.target->MarkAsRenderTarget(false, NO_RT); depth_buffer.target = surface_view.first; @@ -209,7 +209,7 @@ public: return surface_view.second; } - TView GetColorBufferSurface(std::size_t index) { + TView GetColorBufferSurface(std::size_t index, bool preserve_contents) { std::lock_guard lock{mutex}; ASSERT(index < Tegra::Engines::Maxwell3D::Regs::NumRenderTargets); auto& maxwell3d = system.GPU().Maxwell3D(); @@ -239,8 +239,9 @@ public: return {}; } - auto surface_view = GetSurface(gpu_addr, *cpu_addr, - SurfaceParams::CreateForFramebuffer(system, index), true); + auto surface_view = + GetSurface(gpu_addr, *cpu_addr, SurfaceParams::CreateForFramebuffer(system, index), + preserve_contents, true); if (render_targets[index].target) { auto& surface = render_targets[index].target; surface->MarkAsRenderTarget(false, NO_RT); @@ -300,9 +301,9 @@ public: const std::optional src_cpu_addr = system.GPU().MemoryManager().GpuToCpuAddress(src_gpu_addr); std::pair dst_surface = - GetSurface(dst_gpu_addr, *dst_cpu_addr, dst_params, false); + GetSurface(dst_gpu_addr, *dst_cpu_addr, dst_params, true, false); std::pair src_surface = - GetSurface(src_gpu_addr, *src_cpu_addr, src_params, false); + GetSurface(src_gpu_addr, *src_cpu_addr, src_params, true, false); ImageBlit(src_surface.second, dst_surface.second, copy_config); dst_surface.first->MarkAsModified(true, Tick()); } @@ -532,18 +533,22 @@ private: * @param overlaps The overlapping surfaces registered in the cache. * @param params The parameters for the new surface. * @param gpu_addr The starting address of the new surface. + * @param preserve_contents Indicates that the new surface should be loaded from memory or left + * blank. * @param untopological Indicates to the recycler that the texture has no way to match the * overlaps due to topological reasons. **/ std::pair RecycleSurface(std::vector& overlaps, const SurfaceParams& params, const GPUVAddr gpu_addr, + const bool preserve_contents, const MatchTopologyResult untopological) { + const bool do_load = preserve_contents && Settings::IsGPULevelExtreme(); for (auto& surface : overlaps) { Unregister(surface); } switch (PickStrategy(overlaps, params, gpu_addr, untopological)) { case RecycleStrategy::Ignore: { - return InitializeSurface(gpu_addr, params, Settings::IsGPULevelExtreme()); + return InitializeSurface(gpu_addr, params, do_load); } case RecycleStrategy::Flush: { std::sort(overlaps.begin(), overlaps.end(), @@ -553,7 +558,7 @@ private: for (auto& surface : overlaps) { FlushSurface(surface); } - return InitializeSurface(gpu_addr, params); + return InitializeSurface(gpu_addr, params, preserve_contents); } case RecycleStrategy::BufferCopy: { auto new_surface = GetUncachedSurface(gpu_addr, params); @@ -562,7 +567,7 @@ private: } default: { UNIMPLEMENTED_MSG("Unimplemented Texture Cache Recycling Strategy!"); - return InitializeSurface(gpu_addr, params); + return InitializeSurface(gpu_addr, params, do_load); } } } @@ -700,11 +705,14 @@ private: * @param params The parameters on the new surface. * @param gpu_addr The starting address of the new surface. * @param cpu_addr The starting address of the new surface on physical memory. + * @param preserve_contents Indicates that the new surface should be loaded from memory or + * left blank. */ std::optional> Manage3DSurfaces(std::vector& overlaps, const SurfaceParams& params, const GPUVAddr gpu_addr, - const VAddr cpu_addr) { + const VAddr cpu_addr, + bool preserve_contents) { if (params.target == SurfaceTarget::Texture3D) { bool failed = false; if (params.num_levels > 1) { @@ -754,7 +762,7 @@ private: return std::nullopt; } Unregister(surface); - return InitializeSurface(gpu_addr, params); + return InitializeSurface(gpu_addr, params, preserve_contents); } return std::nullopt; } @@ -765,7 +773,7 @@ private: return {{surface, surface->GetMainView()}}; } } - return InitializeSurface(gpu_addr, params); + return InitializeSurface(gpu_addr, params, preserve_contents); } } @@ -788,10 +796,13 @@ private: * * @param gpu_addr The starting address of the candidate surface. * @param params The parameters on the candidate surface. + * @param preserve_contents Indicates that the new surface should be loaded from memory or + * left blank. * @param is_render Whether or not the surface is a render target. **/ std::pair GetSurface(const GPUVAddr gpu_addr, const VAddr cpu_addr, - const SurfaceParams& params, bool is_render) { + const SurfaceParams& params, bool preserve_contents, + bool is_render) { // Step 1 // Check Level 1 Cache for a fast structural match. If candidate surface // matches at certain level we are pretty much done. @@ -800,7 +811,8 @@ private: const auto topological_result = current_surface->MatchesTopology(params); if (topological_result != MatchTopologyResult::FullMatch) { std::vector overlaps{current_surface}; - return RecycleSurface(overlaps, params, gpu_addr, topological_result); + return RecycleSurface(overlaps, params, gpu_addr, preserve_contents, + topological_result); } const auto struct_result = current_surface->MatchesStructure(params); @@ -825,7 +837,7 @@ private: // If none are found, we are done. we just load the surface and create it. if (overlaps.empty()) { - return InitializeSurface(gpu_addr, params); + return InitializeSurface(gpu_addr, params, preserve_contents); } // Step 3 @@ -835,13 +847,15 @@ private: for (const auto& surface : overlaps) { const auto topological_result = surface->MatchesTopology(params); if (topological_result != MatchTopologyResult::FullMatch) { - return RecycleSurface(overlaps, params, gpu_addr, topological_result); + return RecycleSurface(overlaps, params, gpu_addr, preserve_contents, + topological_result); } } // Check if it's a 3D texture if (params.block_depth > 0) { - auto surface = Manage3DSurfaces(overlaps, params, gpu_addr, cpu_addr); + auto surface = + Manage3DSurfaces(overlaps, params, gpu_addr, cpu_addr, preserve_contents); if (surface) { return *surface; } @@ -861,7 +875,8 @@ private: return *view; } } - return RecycleSurface(overlaps, params, gpu_addr, MatchTopologyResult::FullMatch); + return RecycleSurface(overlaps, params, gpu_addr, preserve_contents, + MatchTopologyResult::FullMatch); } // Now we check if the candidate is a mipmap/layer of the overlap std::optional view = @@ -885,7 +900,7 @@ private: pair.first->EmplaceView(params, gpu_addr, candidate_size); if (mirage_view) return {pair.first, *mirage_view}; - return RecycleSurface(overlaps, params, gpu_addr, + return RecycleSurface(overlaps, params, gpu_addr, preserve_contents, MatchTopologyResult::FullMatch); } return {current_surface, *view}; @@ -901,7 +916,8 @@ private: } } // We failed all the tests, recycle the overlaps into a new texture. - return RecycleSurface(overlaps, params, gpu_addr, MatchTopologyResult::FullMatch); + return RecycleSurface(overlaps, params, gpu_addr, preserve_contents, + MatchTopologyResult::FullMatch); } /** @@ -1059,10 +1075,10 @@ private: } std::pair InitializeSurface(GPUVAddr gpu_addr, const SurfaceParams& params, - bool do_load = true) { + bool preserve_contents) { auto new_surface{GetUncachedSurface(gpu_addr, params)}; Register(new_surface); - if (do_load) { + if (preserve_contents) { LoadSurface(new_surface); } return {new_surface, new_surface->GetMainView()};