From 6ea003c7b5ec97d0a754197654cdf6e7fccdba24 Mon Sep 17 00:00:00 2001 From: Tony Wasserka Date: Sun, 17 Aug 2014 14:06:58 +0200 Subject: Pica: Add debug utility functions for dumping geometry data. --- src/video_core/CMakeLists.txt | 2 + src/video_core/command_processor.cpp | 8 ++++ src/video_core/debug_utils/debug_utils.cpp | 60 ++++++++++++++++++++++++++++++ src/video_core/debug_utils/debug_utils.h | 40 ++++++++++++++++++++ src/video_core/video_core.vcxproj | 2 + src/video_core/video_core.vcxproj.filters | 15 ++++++-- 6 files changed, 123 insertions(+), 4 deletions(-) create mode 100644 src/video_core/debug_utils/debug_utils.cpp create mode 100644 src/video_core/debug_utils/debug_utils.h (limited to 'src/video_core') diff --git a/src/video_core/CMakeLists.txt b/src/video_core/CMakeLists.txt index 8e7b93ac..71a1b5ec 100644 --- a/src/video_core/CMakeLists.txt +++ b/src/video_core/CMakeLists.txt @@ -5,6 +5,7 @@ set(SRCS clipper.cpp utils.cpp vertex_shader.cpp video_core.cpp + debug_utils/debug_utils.cpp renderer_opengl/renderer_opengl.cpp) set(HEADERS clipper.h @@ -17,6 +18,7 @@ set(HEADERS clipper.h renderer_base.h vertex_shader.h video_core.h + debug_utils/debug_utils.h renderer_opengl/renderer_opengl.h) add_library(video_core STATIC ${SRCS} ${HEADERS}) diff --git a/src/video_core/command_processor.cpp b/src/video_core/command_processor.cpp index 020a4da3..2027e58d 100644 --- a/src/video_core/command_processor.cpp +++ b/src/video_core/command_processor.cpp @@ -8,6 +8,7 @@ #include "primitive_assembly.h" #include "vertex_shader.h" +#include "debug_utils/debug_utils.h" namespace Pica { @@ -68,6 +69,8 @@ static inline void WritePicaReg(u32 id, u32 value) { const u16* index_address_16 = (u16*)index_address_8; bool index_u16 = (bool)index_info.format; + DebugUtils::GeometryDumper geometry_dumper; + for (int index = 0; index < registers.num_vertices; ++index) { int vertex = is_indexed ? (index_u16 ? index_address_16[index] : index_address_8[index]) : index; @@ -95,6 +98,10 @@ static inline void WritePicaReg(u32 id, u32 value) { input.attr[i][comp].ToFloat32()); } } + + // NOTE: For now, we simply assume that the first input attribute corresponds to the position. + geometry_dumper.AddVertex({input.attr[0][0].ToFloat32(), input.attr[0][1].ToFloat32(), input.attr[0][2].ToFloat32()}, registers.triangle_topology); + VertexShader::OutputVertex output = VertexShader::RunShader(input, attribute_config.GetNumTotalAttributes()); if (is_indexed) { @@ -103,6 +110,7 @@ static inline void WritePicaReg(u32 id, u32 value) { PrimitiveAssembly::SubmitVertex(output); } + geometry_dumper.Dump(); break; } diff --git a/src/video_core/debug_utils/debug_utils.cpp b/src/video_core/debug_utils/debug_utils.cpp new file mode 100644 index 00000000..ac895ec3 --- /dev/null +++ b/src/video_core/debug_utils/debug_utils.cpp @@ -0,0 +1,60 @@ +// Copyright 2014 Citra Emulator Project +// Licensed under GPLv2 +// Refer to the license.txt file included. + +#include +#include + +#include "video_core/pica.h" + +#include "debug_utils.h" + +namespace Pica { + +namespace DebugUtils { + +void GeometryDumper::AddVertex(std::array pos, TriangleTopology topology) { + vertices.push_back({pos[0], pos[1], pos[2]}); + + int num_vertices = vertices.size(); + + switch (topology) { + case TriangleTopology::List: + case TriangleTopology::ListIndexed: + if (0 == (num_vertices % 3)) + faces.push_back({ num_vertices-3, num_vertices-2, num_vertices-1 }); + break; + + default: + ERROR_LOG(GPU, "Unknown triangle topology %x", (int)topology); + exit(0); + break; + } +} + +void GeometryDumper::Dump() { + // NOTE: Permanently enabling this just trashes hard disks for no reason. + // Hence, this is currently disabled. + return; + + static int index = 0; + std::string filename = std::string("geometry_dump") + std::to_string(++index) + ".obj"; + + std::ofstream file(filename); + + for (const auto& vertex : vertices) { + file << "v " << vertex.pos[0] + << " " << vertex.pos[1] + << " " << vertex.pos[2] << std::endl; + } + + for (const Face& face : faces) { + file << "f " << 1+face.index[0] + << " " << 1+face.index[1] + << " " << 1+face.index[2] << std::endl; + } +} + +} // namespace + +} // namespace diff --git a/src/video_core/debug_utils/debug_utils.h b/src/video_core/debug_utils/debug_utils.h new file mode 100644 index 00000000..9b4dce53 --- /dev/null +++ b/src/video_core/debug_utils/debug_utils.h @@ -0,0 +1,40 @@ +// Copyright 2014 Citra Emulator Project +// Licensed under GPLv2 +// Refer to the license.txt file included. + +#pragma once + +#include +#include + +#include "video_core/pica.h" + +namespace Pica { + +namespace DebugUtils { + +using TriangleTopology = Regs::TriangleTopology; + +// Simple utility class for dumping geometry data to an OBJ file +class GeometryDumper { +public: + void AddVertex(std::array pos, TriangleTopology topology); + + void Dump(); + +private: + struct Vertex { + std::array pos; + }; + + struct Face { + int index[3]; + }; + + std::vector vertices; + std::vector faces; +}; + +} // namespace + +} // namespace diff --git a/src/video_core/video_core.vcxproj b/src/video_core/video_core.vcxproj index 48d77cdc..4e129fbe 100644 --- a/src/video_core/video_core.vcxproj +++ b/src/video_core/video_core.vcxproj @@ -19,6 +19,7 @@ + @@ -40,6 +41,7 @@ + diff --git a/src/video_core/video_core.vcxproj.filters b/src/video_core/video_core.vcxproj.filters index 31af4f1d..90541aca 100644 --- a/src/video_core/video_core.vcxproj.filters +++ b/src/video_core/video_core.vcxproj.filters @@ -4,6 +4,9 @@ {e0245557-dbd4-423e-9399-513d5e99f1e4} + + {0ac498e6-bbd8-46e3-9d5f-e816546ab90e} + @@ -16,11 +19,11 @@ + + debug_utils + - - renderer_opengl - @@ -32,8 +35,12 @@ + + + debug_utils + - + \ No newline at end of file -- cgit v1.2.3