2019-12-29 01:45:56 +01:00
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// Copyright 2019 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <algorithm>
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#include <array>
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#include <cstddef>
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#include <type_traits>
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#include "common/common_types.h"
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#include "core/core.h"
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#include "video_core/engines/maxwell_3d.h"
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#include "video_core/gpu.h"
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#include "video_core/renderer_opengl/gl_state_tracker.h"
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#define OFF(field_name) MAXWELL3D_REG_INDEX(field_name)
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#define NUM(field_name) (sizeof(Maxwell3D::Regs::field_name) / sizeof(u32))
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namespace OpenGL {
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namespace {
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using namespace Dirty;
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using namespace VideoCommon::Dirty;
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using Tegra::Engines::Maxwell3D;
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using Regs = Maxwell3D::Regs;
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using Dirty = std::remove_reference_t<decltype(Maxwell3D::dirty)>;
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using Tables = std::remove_reference_t<decltype(Maxwell3D::dirty.tables)>;
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using Table = std::remove_reference_t<decltype(Maxwell3D::dirty.tables[0])>;
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template <typename Integer>
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void FillBlock(Table& table, std::size_t begin, std::size_t num, Integer dirty_index) {
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const auto it = std::begin(table) + begin;
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std::fill(it, it + num, static_cast<u8>(dirty_index));
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}
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template <typename Integer1, typename Integer2>
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void FillBlock(Tables& tables, std::size_t begin, std::size_t num, Integer1 index_a,
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Integer2 index_b) {
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FillBlock(tables[0], begin, num, index_a);
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FillBlock(tables[1], begin, num, index_b);
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}
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void SetupDirtyRenderTargets(Tables& tables) {
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static constexpr std::size_t num_per_rt = NUM(rt[0]);
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static constexpr std::size_t begin = OFF(rt);
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static constexpr std::size_t num = num_per_rt * Regs::NumRenderTargets;
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for (std::size_t rt = 0; rt < Regs::NumRenderTargets; ++rt) {
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FillBlock(tables[0], begin + rt * num_per_rt, num_per_rt, ColorBuffer0 + rt);
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}
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FillBlock(tables[1], begin, num, RenderTargets);
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static constexpr std::array zeta_flags{ZetaBuffer, RenderTargets};
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for (std::size_t i = 0; i < std::size(zeta_flags); ++i) {
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const u8 flag = zeta_flags[i];
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auto& table = tables[i];
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table[OFF(zeta_enable)] = flag;
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table[OFF(zeta_width)] = flag;
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table[OFF(zeta_height)] = flag;
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FillBlock(table, OFF(zeta), NUM(zeta), flag);
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}
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}
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2019-12-29 02:51:04 +01:00
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void SetupDirtyColorMasks(Tables& tables) {
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tables[0][OFF(color_mask_common)] = ColorMaskCommon;
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for (std::size_t rt = 0; rt < Regs::NumRenderTargets; ++rt) {
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const std::size_t offset = OFF(color_mask) + rt * NUM(color_mask[0]);
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FillBlock(tables[0], offset, NUM(color_mask[0]), ColorMask0 + rt);
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}
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FillBlock(tables[1], OFF(color_mask), NUM(color_mask), ColorMasks);
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}
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2019-12-29 05:28:53 +01:00
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void SetupDirtyVertexArrays(Tables& tables) {
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static constexpr std::size_t num_array = 3;
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static constexpr std::size_t instance_base_offset = 3;
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for (std::size_t i = 0; i < Regs::NumVertexArrays; ++i) {
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const std::size_t array_offset = OFF(vertex_array) + i * NUM(vertex_array[0]);
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const std::size_t limit_offset = OFF(vertex_array_limit) + i * NUM(vertex_array_limit[0]);
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FillBlock(tables, array_offset, num_array, VertexBuffer0 + i, VertexBuffers);
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FillBlock(tables, limit_offset, NUM(vertex_array_limit), VertexBuffer0 + i, VertexBuffers);
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const std::size_t instance_array_offset = array_offset + instance_base_offset;
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tables[0][instance_array_offset] = static_cast<u8>(VertexInstance0 + i);
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tables[1][instance_array_offset] = VertexInstances;
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const std::size_t instance_offset = OFF(instanced_arrays) + i;
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tables[0][instance_offset] = static_cast<u8>(VertexInstance0 + i);
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tables[1][instance_offset] = VertexInstances;
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}
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}
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2019-12-29 03:08:40 +01:00
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void SetupDirtyVertexFormat(Tables& tables) {
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for (std::size_t i = 0; i < Regs::NumVertexAttributes; ++i) {
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const std::size_t offset = OFF(vertex_attrib_format) + i * NUM(vertex_attrib_format[0]);
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FillBlock(tables[0], offset, NUM(vertex_attrib_format[0]), VertexFormat0 + i);
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}
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FillBlock(tables[1], OFF(vertex_attrib_format), Regs::NumVertexAttributes, VertexFormats);
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}
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2019-12-29 02:12:12 +01:00
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void SetupDirtyViewports(Tables& tables) {
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for (std::size_t i = 0; i < Regs::NumViewports; ++i) {
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const std::size_t transf_offset = OFF(viewport_transform) + i * NUM(viewport_transform[0]);
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const std::size_t viewport_offset = OFF(viewports) + i * NUM(viewports[0]);
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FillBlock(tables[0], transf_offset, NUM(viewport_transform[0]), Viewport0 + i);
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FillBlock(tables[0], viewport_offset, NUM(viewports[0]), Viewport0 + i);
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}
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FillBlock(tables[1], OFF(viewport_transform), NUM(viewport_transform), Viewports);
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FillBlock(tables[1], OFF(viewports), NUM(viewports), Viewports);
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tables[0][OFF(viewport_transform_enabled)] = ViewportTransform;
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tables[1][OFF(viewport_transform_enabled)] = Viewports;
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}
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2019-12-29 02:31:00 +01:00
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void SetupDirtyScissors(Tables& tables) {
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for (std::size_t i = 0; i < Regs::NumViewports; ++i) {
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const std::size_t offset = OFF(scissor_test) + i * NUM(scissor_test[0]);
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FillBlock(tables[0], offset, NUM(scissor_test[0]), Scissor0 + i);
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}
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FillBlock(tables[1], OFF(scissor_test), NUM(scissor_test), Scissors);
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}
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2019-12-29 01:45:56 +01:00
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} // Anonymous namespace
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StateTracker::StateTracker(Core::System& system) : system{system} {}
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void StateTracker::Initialize() {
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auto& dirty = system.GPU().Maxwell3D().dirty;
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auto& tables = dirty.tables;
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SetupDirtyRenderTargets(tables);
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2019-12-29 02:51:04 +01:00
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SetupDirtyColorMasks(tables);
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2019-12-29 02:12:12 +01:00
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SetupDirtyViewports(tables);
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2019-12-29 02:31:00 +01:00
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SetupDirtyScissors(tables);
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2019-12-29 05:28:53 +01:00
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SetupDirtyVertexArrays(tables);
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2019-12-29 03:08:40 +01:00
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SetupDirtyVertexFormat(tables);
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2019-12-29 05:05:02 +01:00
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auto& store = dirty.on_write_stores;
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store[RenderTargets] = true;
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store[ZetaBuffer] = true;
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for (std::size_t i = 0; i < Regs::NumRenderTargets; ++i) {
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store[ColorBuffer0 + i] = true;
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}
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store[VertexBuffers] = true;
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for (std::size_t i = 0; i < Regs::NumVertexArrays; ++i) {
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store[VertexBuffer0 + i] = true;
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}
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2019-12-29 01:45:56 +01:00
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}
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} // namespace OpenGL
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