1 files changed, 238 insertions, 0 deletions

diff --git a/src/video_core/renderer_opengl/gl_state_tracker.cpp b/src/video_core/renderer_opengl/gl_state_tracker.cpp
new file mode 100644
index 000000000..1e43c9ec0
--- /dev/null
+++ b/src/video_core/renderer_opengl/gl_state_tracker.cpp
@@ -0,0 +1,238 @@
+// Copyright 2019 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <algorithm>
+#include <array>
+#include <cstddef>
+
+#include "common/common_types.h"
+#include "core/core.h"
+#include "video_core/engines/maxwell_3d.h"
+#include "video_core/gpu.h"
+#include "video_core/renderer_opengl/gl_state_tracker.h"
+
+#define OFF(field_name) MAXWELL3D_REG_INDEX(field_name)
+#define NUM(field_name) (sizeof(Maxwell3D::Regs::field_name) / sizeof(u32))
+
+namespace OpenGL {
+
+namespace {
+
+using namespace Dirty;
+using namespace VideoCommon::Dirty;
+using Tegra::Engines::Maxwell3D;
+using Regs = Maxwell3D::Regs;
+using Tables = Maxwell3D::DirtyState::Tables;
+using Table = Maxwell3D::DirtyState::Table;
+
+void SetupDirtyColorMasks(Tables& tables) {
+    tables[0][OFF(color_mask_common)] = ColorMaskCommon;
+    for (std::size_t rt = 0; rt < Regs::NumRenderTargets; ++rt) {
+        const std::size_t offset = OFF(color_mask) + rt * NUM(color_mask[0]);
+        FillBlock(tables[0], offset, NUM(color_mask[0]), ColorMask0 + rt);
+    }
+
+    FillBlock(tables[1], OFF(color_mask), NUM(color_mask), ColorMasks);
+}
+
+void SetupDirtyVertexArrays(Tables& tables) {
+    static constexpr std::size_t num_array = 3;
+    static constexpr std::size_t instance_base_offset = 3;
+    for (std::size_t i = 0; i < Regs::NumVertexArrays; ++i) {
+        const std::size_t array_offset = OFF(vertex_array) + i * NUM(vertex_array[0]);
+        const std::size_t limit_offset = OFF(vertex_array_limit) + i * NUM(vertex_array_limit[0]);
+
+        FillBlock(tables, array_offset, num_array, VertexBuffer0 + i, VertexBuffers);
+        FillBlock(tables, limit_offset, NUM(vertex_array_limit), VertexBuffer0 + i, VertexBuffers);
+
+        const std::size_t instance_array_offset = array_offset + instance_base_offset;
+        tables[0][instance_array_offset] = static_cast<u8>(VertexInstance0 + i);
+        tables[1][instance_array_offset] = VertexInstances;
+
+        const std::size_t instance_offset = OFF(instanced_arrays) + i;
+        tables[0][instance_offset] = static_cast<u8>(VertexInstance0 + i);
+        tables[1][instance_offset] = VertexInstances;
+    }
+}
+
+void SetupDirtyVertexFormat(Tables& tables) {
+    for (std::size_t i = 0; i < Regs::NumVertexAttributes; ++i) {
+        const std::size_t offset = OFF(vertex_attrib_format) + i * NUM(vertex_attrib_format[0]);
+        FillBlock(tables[0], offset, NUM(vertex_attrib_format[0]), VertexFormat0 + i);
+    }
+
+    FillBlock(tables[1], OFF(vertex_attrib_format), Regs::NumVertexAttributes, VertexFormats);
+}
+
+void SetupDirtyViewports(Tables& tables) {
+    for (std::size_t i = 0; i < Regs::NumViewports; ++i) {
+        const std::size_t transf_offset = OFF(viewport_transform) + i * NUM(viewport_transform[0]);
+        const std::size_t viewport_offset = OFF(viewports) + i * NUM(viewports[0]);
+
+        FillBlock(tables[0], transf_offset, NUM(viewport_transform[0]), Viewport0 + i);
+        FillBlock(tables[0], viewport_offset, NUM(viewports[0]), Viewport0 + i);
+    }
+
+    FillBlock(tables[1], OFF(viewport_transform), NUM(viewport_transform), Viewports);
+    FillBlock(tables[1], OFF(viewports), NUM(viewports), Viewports);
+
+    tables[0][OFF(viewport_transform_enabled)] = ViewportTransform;
+    tables[1][OFF(viewport_transform_enabled)] = Viewports;
+}
+
+void SetupDirtyScissors(Tables& tables) {
+    for (std::size_t i = 0; i < Regs::NumViewports; ++i) {
+        const std::size_t offset = OFF(scissor_test) + i * NUM(scissor_test[0]);
+        FillBlock(tables[0], offset, NUM(scissor_test[0]), Scissor0 + i);
+    }
+    FillBlock(tables[1], OFF(scissor_test), NUM(scissor_test), Scissors);
+}
+
+void SetupDirtyShaders(Tables& tables) {
+    FillBlock(tables[0], OFF(shader_config[0]), NUM(shader_config[0]) * Regs::MaxShaderProgram,
+              Shaders);
+}
+
+void SetupDirtyDepthTest(Tables& tables) {
+    auto& table = tables[0];
+    table[OFF(depth_test_enable)] = DepthTest;
+    table[OFF(depth_write_enabled)] = DepthMask;
+    table[OFF(depth_test_func)] = DepthTest;
+}
+
+void SetupDirtyStencilTest(Tables& tables) {
+    static constexpr std::array offsets = {
+        OFF(stencil_enable),          OFF(stencil_front_func_func), OFF(stencil_front_func_ref),
+        OFF(stencil_front_func_mask), OFF(stencil_front_op_fail),   OFF(stencil_front_op_zfail),
+        OFF(stencil_front_op_zpass),  OFF(stencil_front_mask),      OFF(stencil_two_side_enable),
+        OFF(stencil_back_func_func),  OFF(stencil_back_func_ref),   OFF(stencil_back_func_mask),
+        OFF(stencil_back_op_fail),    OFF(stencil_back_op_zfail),   OFF(stencil_back_op_zpass),
+        OFF(stencil_back_mask)};
+    for (const auto offset : offsets) {
+        tables[0][offset] = StencilTest;
+    }
+}
+
+void SetupDirtyAlphaTest(Tables& tables) {
+    auto& table = tables[0];
+    table[OFF(alpha_test_ref)] = AlphaTest;
+    table[OFF(alpha_test_func)] = AlphaTest;
+    table[OFF(alpha_test_enabled)] = AlphaTest;
+}
+
+void SetupDirtyBlend(Tables& tables) {
+    FillBlock(tables[0], OFF(blend_color), NUM(blend_color), BlendColor);
+
+    tables[0][OFF(independent_blend_enable)] = BlendIndependentEnabled;
+
+    for (std::size_t i = 0; i < Regs::NumRenderTargets; ++i) {
+        const std::size_t offset = OFF(independent_blend) + i * NUM(independent_blend[0]);
+        FillBlock(tables[0], offset, NUM(independent_blend[0]), BlendState0 + i);
+
+        tables[0][OFF(blend.enable) + i] = static_cast<u8>(BlendState0 + i);
+    }
+    FillBlock(tables[1], OFF(independent_blend), NUM(independent_blend), BlendStates);
+    FillBlock(tables[1], OFF(blend), NUM(blend), BlendStates);
+}
+
+void SetupDirtyPrimitiveRestart(Tables& tables) {
+    FillBlock(tables[0], OFF(primitive_restart), NUM(primitive_restart), PrimitiveRestart);
+}
+
+void SetupDirtyPolygonOffset(Tables& tables) {
+    auto& table = tables[0];
+    table[OFF(polygon_offset_fill_enable)] = PolygonOffset;
+    table[OFF(polygon_offset_line_enable)] = PolygonOffset;
+    table[OFF(polygon_offset_point_enable)] = PolygonOffset;
+    table[OFF(polygon_offset_factor)] = PolygonOffset;
+    table[OFF(polygon_offset_units)] = PolygonOffset;
+    table[OFF(polygon_offset_clamp)] = PolygonOffset;
+}
+
+void SetupDirtyMultisampleControl(Tables& tables) {
+    FillBlock(tables[0], OFF(multisample_control), NUM(multisample_control), MultisampleControl);
+}
+
+void SetupDirtyRasterizeEnable(Tables& tables) {
+    tables[0][OFF(rasterize_enable)] = RasterizeEnable;
+}
+
+void SetupDirtyFramebufferSRGB(Tables& tables) {
+    tables[0][OFF(framebuffer_srgb)] = FramebufferSRGB;
+}
+
+void SetupDirtyLogicOp(Tables& tables) {
+    FillBlock(tables[0], OFF(logic_op), NUM(logic_op), LogicOp);
+}
+
+void SetupDirtyFragmentClampColor(Tables& tables) {
+    tables[0][OFF(frag_color_clamp)] = FragmentClampColor;
+}
+
+void SetupDirtyPointSize(Tables& tables) {
+    tables[0][OFF(vp_point_size)] = PointSize;
+    tables[0][OFF(point_size)] = PointSize;
+    tables[0][OFF(point_sprite_enable)] = PointSize;
+}
+
+void SetupDirtyClipControl(Tables& tables) {
+    auto& table = tables[0];
+    table[OFF(screen_y_control)] = ClipControl;
+    table[OFF(depth_mode)] = ClipControl;
+}
+
+void SetupDirtyDepthClampEnabled(Tables& tables) {
+    tables[0][OFF(view_volume_clip_control)] = DepthClampEnabled;
+}
+
+void SetupDirtyMisc(Tables& tables) {
+    auto& table = tables[0];
+
+    table[OFF(clip_distance_enabled)] = ClipDistances;
+
+    table[OFF(front_face)] = FrontFace;
+
+    table[OFF(cull_test_enabled)] = CullTest;
+    table[OFF(cull_face)] = CullTest;
+}
+
+} // Anonymous namespace
+
+StateTracker::StateTracker(Core::System& system) : system{system} {}
+
+void StateTracker::Initialize() {
+    auto& dirty = system.GPU().Maxwell3D().dirty;
+    auto& tables = dirty.tables;
+    SetupDirtyRenderTargets(tables);
+    SetupDirtyColorMasks(tables);
+    SetupDirtyViewports(tables);
+    SetupDirtyScissors(tables);
+    SetupDirtyVertexArrays(tables);
+    SetupDirtyVertexFormat(tables);
+    SetupDirtyShaders(tables);
+    SetupDirtyDepthTest(tables);
+    SetupDirtyStencilTest(tables);
+    SetupDirtyAlphaTest(tables);
+    SetupDirtyBlend(tables);
+    SetupDirtyPrimitiveRestart(tables);
+    SetupDirtyPolygonOffset(tables);
+    SetupDirtyMultisampleControl(tables);
+    SetupDirtyRasterizeEnable(tables);
+    SetupDirtyFramebufferSRGB(tables);
+    SetupDirtyLogicOp(tables);
+    SetupDirtyFragmentClampColor(tables);
+    SetupDirtyPointSize(tables);
+    SetupDirtyClipControl(tables);
+    SetupDirtyDepthClampEnabled(tables);
+    SetupDirtyMisc(tables);
+
+    auto& store = dirty.on_write_stores;
+    SetupCommonOnWriteStores(store);
+    store[VertexBuffers] = true;
+    for (std::size_t i = 0; i < Regs::NumVertexArrays; ++i) {
+        store[VertexBuffer0 + i] = true;
+    }
+}
+
+} // namespace OpenGL