Pica: Add debug utility functions for dumping geometry data.
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14b24a75b3
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6ea003c7b5
@ -5,6 +5,7 @@ set(SRCS clipper.cpp
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utils.cpp
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vertex_shader.cpp
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video_core.cpp
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debug_utils/debug_utils.cpp
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renderer_opengl/renderer_opengl.cpp)
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set(HEADERS clipper.h
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@ -17,6 +18,7 @@ set(HEADERS clipper.h
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renderer_base.h
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vertex_shader.h
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video_core.h
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debug_utils/debug_utils.h
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renderer_opengl/renderer_opengl.h)
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add_library(video_core STATIC ${SRCS} ${HEADERS})
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@ -8,6 +8,7 @@
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#include "primitive_assembly.h"
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#include "vertex_shader.h"
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#include "debug_utils/debug_utils.h"
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namespace Pica {
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@ -68,6 +69,8 @@ static inline void WritePicaReg(u32 id, u32 value) {
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const u16* index_address_16 = (u16*)index_address_8;
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bool index_u16 = (bool)index_info.format;
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DebugUtils::GeometryDumper geometry_dumper;
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for (int index = 0; index < registers.num_vertices; ++index)
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{
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int vertex = is_indexed ? (index_u16 ? index_address_16[index] : index_address_8[index]) : index;
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@ -95,6 +98,10 @@ static inline void WritePicaReg(u32 id, u32 value) {
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input.attr[i][comp].ToFloat32());
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}
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}
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// NOTE: For now, we simply assume that the first input attribute corresponds to the position.
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geometry_dumper.AddVertex({input.attr[0][0].ToFloat32(), input.attr[0][1].ToFloat32(), input.attr[0][2].ToFloat32()}, registers.triangle_topology);
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VertexShader::OutputVertex output = VertexShader::RunShader(input, attribute_config.GetNumTotalAttributes());
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if (is_indexed) {
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@ -103,6 +110,7 @@ static inline void WritePicaReg(u32 id, u32 value) {
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PrimitiveAssembly::SubmitVertex(output);
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}
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geometry_dumper.Dump();
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break;
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}
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60
src/video_core/debug_utils/debug_utils.cpp
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src/video_core/debug_utils/debug_utils.cpp
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@ -0,0 +1,60 @@
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// Copyright 2014 Citra Emulator Project
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// Licensed under GPLv2
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// Refer to the license.txt file included.
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#include <fstream>
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#include <string>
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#include "video_core/pica.h"
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#include "debug_utils.h"
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namespace Pica {
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namespace DebugUtils {
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void GeometryDumper::AddVertex(std::array<float,3> pos, TriangleTopology topology) {
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vertices.push_back({pos[0], pos[1], pos[2]});
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int num_vertices = vertices.size();
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switch (topology) {
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case TriangleTopology::List:
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case TriangleTopology::ListIndexed:
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if (0 == (num_vertices % 3))
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faces.push_back({ num_vertices-3, num_vertices-2, num_vertices-1 });
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break;
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default:
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ERROR_LOG(GPU, "Unknown triangle topology %x", (int)topology);
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exit(0);
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break;
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}
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}
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void GeometryDumper::Dump() {
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// NOTE: Permanently enabling this just trashes hard disks for no reason.
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// Hence, this is currently disabled.
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return;
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static int index = 0;
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std::string filename = std::string("geometry_dump") + std::to_string(++index) + ".obj";
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std::ofstream file(filename);
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for (const auto& vertex : vertices) {
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file << "v " << vertex.pos[0]
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<< " " << vertex.pos[1]
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<< " " << vertex.pos[2] << std::endl;
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}
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for (const Face& face : faces) {
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file << "f " << 1+face.index[0]
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<< " " << 1+face.index[1]
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<< " " << 1+face.index[2] << std::endl;
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}
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}
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} // namespace
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} // namespace
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src/video_core/debug_utils/debug_utils.h
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40
src/video_core/debug_utils/debug_utils.h
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@ -0,0 +1,40 @@
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// Copyright 2014 Citra Emulator Project
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// Licensed under GPLv2
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// Refer to the license.txt file included.
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#pragma once
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#include <array>
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#include <vector>
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#include "video_core/pica.h"
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namespace Pica {
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namespace DebugUtils {
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using TriangleTopology = Regs::TriangleTopology;
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// Simple utility class for dumping geometry data to an OBJ file
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class GeometryDumper {
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public:
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void AddVertex(std::array<float,3> pos, TriangleTopology topology);
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void Dump();
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private:
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struct Vertex {
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std::array<float,3> pos;
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};
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struct Face {
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int index[3];
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};
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std::vector<Vertex> vertices;
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std::vector<Face> faces;
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};
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} // namespace
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} // namespace
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@ -19,6 +19,7 @@
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</ProjectConfiguration>
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</ItemGroup>
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<ItemGroup>
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<ClCompile Include="debug_utils\debug_utils.cpp" />
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<ClCompile Include="renderer_opengl\renderer_opengl.cpp" />
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<ClCompile Include="clipper.cpp" />
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<ClCompile Include="command_processor.cpp" />
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@ -40,6 +41,7 @@
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<ClInclude Include="utils.h" />
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<ClInclude Include="vertex_shader.h" />
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<ClInclude Include="video_core.h" />
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<ClInclude Include="debug_utils\debug_utils.h" />
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<ClInclude Include="renderer_opengl\renderer_opengl.h" />
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</ItemGroup>
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<ItemGroup>
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@ -4,6 +4,9 @@
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<Filter Include="renderer_opengl">
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<UniqueIdentifier>{e0245557-dbd4-423e-9399-513d5e99f1e4}</UniqueIdentifier>
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</Filter>
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<Filter Include="debug_utils">
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<UniqueIdentifier>{0ac498e6-bbd8-46e3-9d5f-e816546ab90e}</UniqueIdentifier>
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</Filter>
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</ItemGroup>
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<ItemGroup>
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<ClCompile Include="renderer_opengl\renderer_opengl.cpp">
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@ -16,11 +19,11 @@
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<ClCompile Include="utils.cpp" />
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<ClCompile Include="vertex_shader.cpp" />
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<ClCompile Include="video_core.cpp" />
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<ClCompile Include="debug_utils\debug_utils.cpp">
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<Filter>debug_utils</Filter>
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</ClCompile>
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</ItemGroup>
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<ItemGroup>
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<ClInclude Include="renderer_opengl\renderer_opengl.h">
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<Filter>renderer_opengl</Filter>
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</ClInclude>
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<ClInclude Include="clipper.h" />
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<ClInclude Include="command_processor.h" />
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<ClInclude Include="gpu_debugger.h" />
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@ -32,6 +35,10 @@
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<ClInclude Include="utils.h" />
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<ClInclude Include="vertex_shader.h" />
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<ClInclude Include="video_core.h" />
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<ClInclude Include="renderer_opengl\renderer_opengl.h" />
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<ClInclude Include="debug_utils\debug_utils.h">
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<Filter>debug_utils</Filter>
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</ClInclude>
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</ItemGroup>
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<ItemGroup>
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<Text Include="CMakeLists.txt" />
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