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Merge pull request #4111 from ReinUsesLisp/preserve-contents-vk
vk_rasterizer: Don't preserve contents on full screen clears
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commit
78d3b54ea7
@ -143,6 +143,49 @@ Tegra::Texture::FullTextureInfo GetTextureInfo(const Engine& engine, const Entry
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}
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}
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}
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}
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/// @brief Determine if an attachment to be updated has to preserve contents
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/// @param is_clear True when a clear is being executed
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/// @param regs 3D registers
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/// @return True when the contents have to be preserved
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bool HasToPreserveColorContents(bool is_clear, const Maxwell& regs) {
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if (!is_clear) {
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return true;
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}
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// First we have to make sure all clear masks are enabled.
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if (!regs.clear_buffers.R || !regs.clear_buffers.G || !regs.clear_buffers.B ||
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!regs.clear_buffers.A) {
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return true;
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}
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// If scissors are disabled, the whole screen is cleared
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if (!regs.clear_flags.scissor) {
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return false;
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}
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// Then we have to confirm scissor testing clears the whole image
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const std::size_t index = regs.clear_buffers.RT;
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const auto& scissor = regs.scissor_test[0];
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return scissor.min_x > 0 || scissor.min_y > 0 || scissor.max_x < regs.rt[index].width ||
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scissor.max_y < regs.rt[index].height;
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}
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/// @brief Determine if an attachment to be updated has to preserve contents
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/// @param is_clear True when a clear is being executed
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/// @param regs 3D registers
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/// @return True when the contents have to be preserved
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bool HasToPreserveDepthContents(bool is_clear, const Maxwell& regs) {
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// If we are not clearing, the contents have to be preserved
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if (!is_clear) {
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return true;
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}
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// For depth stencil clears we only have to confirm scissor test covers the whole image
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if (!regs.clear_flags.scissor) {
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return false;
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}
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// Make sure the clear cover the whole image
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const auto& scissor = regs.scissor_test[0];
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return scissor.min_x > 0 || scissor.min_y > 0 || scissor.max_x < regs.zeta_width ||
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scissor.max_y < regs.zeta_height;
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}
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} // Anonymous namespace
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} // Anonymous namespace
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class BufferBindings final {
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class BufferBindings final {
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@ -344,7 +387,7 @@ void RasterizerVulkan::Draw(bool is_indexed, bool is_instanced) {
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buffer_cache.Unmap();
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buffer_cache.Unmap();
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const Texceptions texceptions = UpdateAttachments();
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const Texceptions texceptions = UpdateAttachments(false);
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SetupImageTransitions(texceptions, color_attachments, zeta_attachment);
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SetupImageTransitions(texceptions, color_attachments, zeta_attachment);
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key.renderpass_params = GetRenderPassParams(texceptions);
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key.renderpass_params = GetRenderPassParams(texceptions);
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@ -400,7 +443,7 @@ void RasterizerVulkan::Clear() {
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return;
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return;
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}
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}
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[[maybe_unused]] const auto texceptions = UpdateAttachments();
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[[maybe_unused]] const auto texceptions = UpdateAttachments(true);
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DEBUG_ASSERT(texceptions.none());
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DEBUG_ASSERT(texceptions.none());
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SetupImageTransitions(0, color_attachments, zeta_attachment);
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SetupImageTransitions(0, color_attachments, zeta_attachment);
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@ -677,9 +720,12 @@ void RasterizerVulkan::FlushWork() {
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draw_counter = 0;
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draw_counter = 0;
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}
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}
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RasterizerVulkan::Texceptions RasterizerVulkan::UpdateAttachments() {
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RasterizerVulkan::Texceptions RasterizerVulkan::UpdateAttachments(bool is_clear) {
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MICROPROFILE_SCOPE(Vulkan_RenderTargets);
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MICROPROFILE_SCOPE(Vulkan_RenderTargets);
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auto& dirty = system.GPU().Maxwell3D().dirty.flags;
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auto& maxwell3d = system.GPU().Maxwell3D();
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auto& dirty = maxwell3d.dirty.flags;
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auto& regs = maxwell3d.regs;
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const bool update_rendertargets = dirty[VideoCommon::Dirty::RenderTargets];
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const bool update_rendertargets = dirty[VideoCommon::Dirty::RenderTargets];
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dirty[VideoCommon::Dirty::RenderTargets] = false;
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dirty[VideoCommon::Dirty::RenderTargets] = false;
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@ -688,7 +734,8 @@ RasterizerVulkan::Texceptions RasterizerVulkan::UpdateAttachments() {
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Texceptions texceptions;
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Texceptions texceptions;
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for (std::size_t rt = 0; rt < Maxwell::NumRenderTargets; ++rt) {
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for (std::size_t rt = 0; rt < Maxwell::NumRenderTargets; ++rt) {
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if (update_rendertargets) {
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if (update_rendertargets) {
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color_attachments[rt] = texture_cache.GetColorBufferSurface(rt, true);
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const bool preserve_contents = HasToPreserveColorContents(is_clear, regs);
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color_attachments[rt] = texture_cache.GetColorBufferSurface(rt, preserve_contents);
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}
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}
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if (color_attachments[rt] && WalkAttachmentOverlaps(*color_attachments[rt])) {
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if (color_attachments[rt] && WalkAttachmentOverlaps(*color_attachments[rt])) {
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texceptions[rt] = true;
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texceptions[rt] = true;
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@ -696,7 +743,8 @@ RasterizerVulkan::Texceptions RasterizerVulkan::UpdateAttachments() {
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}
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}
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if (update_rendertargets) {
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if (update_rendertargets) {
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zeta_attachment = texture_cache.GetDepthBufferSurface(true);
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const bool preserve_contents = HasToPreserveDepthContents(is_clear, regs);
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zeta_attachment = texture_cache.GetDepthBufferSurface(preserve_contents);
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}
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}
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if (zeta_attachment && WalkAttachmentOverlaps(*zeta_attachment)) {
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if (zeta_attachment && WalkAttachmentOverlaps(*zeta_attachment)) {
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texceptions[ZETA_TEXCEPTION_INDEX] = true;
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texceptions[ZETA_TEXCEPTION_INDEX] = true;
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@ -159,7 +159,10 @@ private:
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void FlushWork();
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void FlushWork();
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Texceptions UpdateAttachments();
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/// @brief Updates the currently bound attachments
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/// @param is_clear True when the framebuffer is updated as a clear
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/// @return Bitfield of attachments being used as sampled textures
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Texceptions UpdateAttachments(bool is_clear);
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std::tuple<VkFramebuffer, VkExtent2D> ConfigureFramebuffers(VkRenderPass renderpass);
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std::tuple<VkFramebuffer, VkExtent2D> ConfigureFramebuffers(VkRenderPass renderpass);
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