70 lines
1.9 KiB
C++
70 lines
1.9 KiB
C++
// Copyright 2015 Citra 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 <cstring>
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#include <type_traits>
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#include "core/global.h"
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#include "video_core/geometry_pipeline.h"
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#include "video_core/pica.h"
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#include "video_core/pica_state.h"
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#include "video_core/renderer_base.h"
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#include "video_core/video_core.h"
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namespace Core {
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template <>
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Pica::State& Global() {
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return Pica::g_state;
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}
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} // namespace Core
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namespace Pica {
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State g_state;
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void Init() {
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g_state.Reset();
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}
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void Shutdown() {
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Shader::Shutdown();
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}
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template <typename T>
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void Zero(T& o) {
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static_assert(std::is_trivial_v<T>, "It's undefined behavior to memset a non-trivial type");
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std::memset(&o, 0, sizeof(o));
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}
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State::State() : geometry_pipeline(*this) {
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auto SubmitVertex = [this](const Shader::AttributeBuffer& vertex) {
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using Pica::Shader::OutputVertex;
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auto AddTriangle = [](const OutputVertex& v0, const OutputVertex& v1,
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const OutputVertex& v2) {
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VideoCore::g_renderer->Rasterizer()->AddTriangle(v0, v1, v2);
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};
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primitive_assembler.SubmitVertex(
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Shader::OutputVertex::FromAttributeBuffer(regs.rasterizer, vertex), AddTriangle);
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};
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auto SetWinding = [this]() { primitive_assembler.SetWinding(); };
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g_state.gs_unit.SetVertexHandler(SubmitVertex, SetWinding);
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g_state.geometry_pipeline.SetVertexHandler(SubmitVertex);
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}
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void State::Reset() {
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Zero(regs);
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vs = {};
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gs = {};
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Zero(cmd_list);
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immediate = {};
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primitive_assembler.Reconfigure(PipelineRegs::TriangleTopology::List);
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vs_float_regs_counter = 0;
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vs_uniform_write_buffer.fill(0);
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gs_float_regs_counter = 0;
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gs_uniform_write_buffer.fill(0);
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default_attr_counter = 0;
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default_attr_write_buffer.fill(0);
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}
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} // namespace Pica
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