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gl_state_tracker: Implement dirty flags for clip distances and shaders
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@ -232,8 +232,7 @@ GLintptr RasterizerOpenGL::SetupIndexBuffer() {
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void RasterizerOpenGL::SetupShaders(GLenum primitive_mode) {
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MICROPROFILE_SCOPE(OpenGL_Shader);
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auto& gpu = system.GPU().Maxwell3D();
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std::array<bool, Maxwell::NumClipDistances> clip_distances{};
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u32 clip_distances = 0;
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for (std::size_t index = 0; index < Maxwell::MaxShaderProgram; ++index) {
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const auto& shader_config = gpu.regs.shader_config[index];
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@ -294,9 +293,7 @@ void RasterizerOpenGL::SetupShaders(GLenum primitive_mode) {
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// When a clip distance is enabled but not set in the shader it crops parts of the screen
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// (sometimes it's half the screen, sometimes three quarters). To avoid this, enable the
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// clip distances only when it's written by a shader stage.
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for (std::size_t i = 0; i < Maxwell::NumClipDistances; ++i) {
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clip_distances[i] = clip_distances[i] || shader->GetShaderEntries().clip_distances[i];
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}
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clip_distances |= shader->GetShaderEntries().clip_distances;
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// When VertexA is enabled, we have dual vertex shaders
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if (program == Maxwell::ShaderProgram::VertexA) {
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@ -306,6 +303,7 @@ void RasterizerOpenGL::SetupShaders(GLenum primitive_mode) {
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}
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SyncClipEnabled(clip_distances);
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gpu.dirty.flags[Dirty::Shaders] = false;
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}
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std::size_t RasterizerOpenGL::CalculateVertexArraysSize() const {
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@ -972,12 +970,22 @@ void RasterizerOpenGL::SyncDepthClamp() {
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oglEnable(GL_DEPTH_CLAMP, state.depth_clamp_far || state.depth_clamp_near);
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}
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void RasterizerOpenGL::SyncClipEnabled(
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const std::array<bool, Maxwell::Regs::NumClipDistances>& clip_mask) {
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const auto& regs = system.GPU().Maxwell3D().regs;
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void RasterizerOpenGL::SyncClipEnabled(u32 clip_mask) {
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auto& gpu = system.GPU().Maxwell3D();
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auto& flags = gpu.dirty.flags;
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if (!flags[Dirty::ClipDistances] && !flags[Dirty::Shaders]) {
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return;
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}
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flags[Dirty::ClipDistances] = false;
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clip_mask &= gpu.regs.clip_distance_enabled;
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if (clip_mask == last_clip_distance_mask) {
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return;
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}
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last_clip_distance_mask = clip_mask;
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for (std::size_t i = 0; i < Maxwell::Regs::NumClipDistances; ++i) {
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oglEnable(static_cast<GLenum>(GL_CLIP_DISTANCE0 + i),
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clip_mask[i] && ((regs.clip_distance_enabled >> i) & 1));
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oglEnable(static_cast<GLenum>(GL_CLIP_DISTANCE0 + i), (clip_mask >> i) & 1);
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}
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}
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@ -137,8 +137,7 @@ private:
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void SyncDepthClamp();
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/// Syncs the clip enabled status to match the guest state
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void SyncClipEnabled(
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const std::array<bool, Tegra::Engines::Maxwell3D::Regs::NumClipDistances>& clip_mask);
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void SyncClipEnabled(u32 clip_mask);
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/// Syncs the clip coefficients to match the guest state
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void SyncClipCoef();
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@ -230,6 +229,8 @@ private:
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/// Number of commands queued to the OpenGL driver. Reseted on flush.
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std::size_t num_queued_commands = 0;
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u32 last_clip_distance_mask = 0;
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};
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} // namespace OpenGL
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@ -22,6 +22,7 @@
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#include "video_core/renderer_opengl/gl_shader_cache.h"
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#include "video_core/renderer_opengl/gl_shader_decompiler.h"
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#include "video_core/renderer_opengl/gl_shader_disk_cache.h"
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#include "video_core/renderer_opengl/gl_state_tracker.h"
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#include "video_core/renderer_opengl/utils.h"
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#include "video_core/shader/shader_ir.h"
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@ -623,6 +624,10 @@ bool ShaderCacheOpenGL::GenerateUnspecializedShaders(
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}
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Shader ShaderCacheOpenGL::GetStageProgram(Maxwell::ShaderProgram program) {
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if (!system.GPU().Maxwell3D().dirty.flags[Dirty::Shaders]) {
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return last_shaders[static_cast<std::size_t>(program)];
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}
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auto& memory_manager{system.GPU().MemoryManager()};
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const GPUVAddr address{GetShaderAddress(system, program)};
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@ -2547,7 +2547,10 @@ ShaderEntries GetEntries(const VideoCommon::Shader::ShaderIR& ir) {
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for (const auto& image : ir.GetImages()) {
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entries.images.emplace_back(image);
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}
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entries.clip_distances = ir.GetClipDistances();
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const auto clip_distances = ir.GetClipDistances();
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for (std::size_t i = 0; i < std::size(clip_distances); ++i) {
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entries.clip_distances = (clip_distances[i] ? 1U : 0U) << i;
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}
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entries.shader_length = ir.GetLength();
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return entries;
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}
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@ -74,7 +74,7 @@ struct ShaderEntries {
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std::vector<GlobalMemoryEntry> global_memory_entries;
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std::vector<SamplerEntry> samplers;
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std::vector<ImageEntry> images;
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std::array<bool, Maxwell::NumClipDistances> clip_distances{};
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u32 clip_distances{};
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std::size_t shader_length{};
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};
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@ -124,6 +124,15 @@ void SetupDirtyScissors(Tables& tables) {
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FillBlock(tables[1], OFF(scissor_test), NUM(scissor_test), Scissors);
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}
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void SetupDirtyShaders(Tables& tables) {
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FillBlock(tables[0], OFF(shader_config[0]), NUM(shader_config[0]) * Regs::MaxShaderProgram,
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Shaders);
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}
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void SetupDirtyMisc(Tables& tables) {
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tables[0][OFF(clip_distance_enabled)] = ClipDistances;
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}
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} // Anonymous namespace
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StateTracker::StateTracker(Core::System& system) : system{system} {}
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@ -137,6 +146,8 @@ void StateTracker::Initialize() {
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SetupDirtyScissors(tables);
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SetupDirtyVertexArrays(tables);
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SetupDirtyVertexFormat(tables);
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SetupDirtyShaders(tables);
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SetupDirtyMisc(tables);
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auto& store = dirty.on_write_stores;
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store[RenderTargets] = true;
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@ -48,6 +48,7 @@ enum : u8 {
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ColorMask7 = ColorMask0 + 7,
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Shaders,
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ClipDistances,
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CullTestEnable,
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FrontFace,
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CullFace,
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