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Pica: Add support for dumping textures.

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This commit is contained in:
Tony Wasserka
2014-08-16 14:06:40 +02:00
parent 162d641a30
commit c4691b784b
6 changed files with 184 additions and 3 deletions
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2
src/citra/CMakeLists.txt
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@@ -12,7 +12,7 @@ add_executable(citra ${SRCS} ${HEADERS})
if (APPLE)
target_link_libraries(citra core common video_core iconv pthread ${COREFOUNDATION_LIBRARY} ${OPENGL_LIBRARIES} ${GLEW_LIBRARY} ${GLFW_LIBRARIES})
else()
target_link_libraries(citra core common video_core GLEW pthread X11 Xxf86vm Xi Xcursor ${OPENGL_LIBRARIES} ${GLFW_LIBRARIES} rt ${X11_Xrandr_LIB} ${X11_xv86vmode_LIB})
target_link_libraries(citra core common video_core GLEW pthread X11 Xxf86vm Xi Xcursor ${OPENGL_LIBRARIES} ${GLFW_LIBRARIES} rt ${X11_Xrandr_LIB} ${X11_xv86vmode_LIB} ${PNG_LIBRARIES})
endif()
#install(TARGETS citra RUNTIME DESTINATION ${bindir})

2
src/citra_qt/CMakeLists.txt
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@@ -47,7 +47,7 @@ else()
set(RT_LIBRARY rt)
endif()
target_link_libraries(citra-qt core common video_core qhexedit ${ICONV_LIBRARY} ${COREFOUNDATION_LIBRARY} ${QT_LIBRARIES} ${OPENGL_LIBRARIES} ${RT_LIBRARY} ${GLEW_LIBRARY})
target_link_libraries(citra-qt core common video_core qhexedit ${ICONV_LIBRARY} ${COREFOUNDATION_LIBRARY} ${QT_LIBRARIES} ${OPENGL_LIBRARIES} ${RT_LIBRARY} ${GLEW_LIBRARY} ${PNG_LIBRARIES})
if(USE_QT5)
target_link_libraries(citra-qt Qt5::Gui Qt5::Widgets Qt5::OpenGL)
endif()

131
src/video_core/debug_utils/debug_utils.cpp
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@@ -3,10 +3,17 @@
// Refer to the license.txt file included.
#include <algorithm>
#include <map>
#include <fstream>
#include <mutex>
#include <string>
#ifdef HAVE_PNG
#include <png.h>
#endif
#include "common/file_util.h"
#include "video_core/pica.h"
#include "debug_utils.h"
@@ -315,6 +322,130 @@ std::unique_ptr<PicaTrace> FinishPicaTracing()
return std::move(ret);
}
void DumpTexture(const Pica::Regs::TextureConfig& texture_config, u8* data) {
// NOTE: Permanently enabling this just trashes hard disks for no reason.
// Hence, this is currently disabled.
return;
#ifndef HAVE_PNG
return;
#else
if (!data)
return;
// Write data to file
static int dump_index = 0;
std::string filename = std::string("texture_dump") + std::to_string(++dump_index) + std::string(".png");
u32 row_stride = texture_config.width * 3;
u8* buf;
char title[] = "Citra texture dump";
char title_key[] = "Title";
png_structp png_ptr = nullptr;
png_infop info_ptr = nullptr;
// Open file for writing (binary mode)
File::IOFile fp(filename, "wb");
// Initialize write structure
png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, nullptr, nullptr, nullptr);
if (png_ptr == nullptr) {
ERROR_LOG(GPU, "Could not allocate write struct\n");
goto finalise;
}
// Initialize info structure
info_ptr = png_create_info_struct(png_ptr);
if (info_ptr == nullptr) {
ERROR_LOG(GPU, "Could not allocate info struct\n");
goto finalise;
}
// Setup Exception handling
if (setjmp(png_jmpbuf(png_ptr))) {
ERROR_LOG(GPU, "Error during png creation\n");
goto finalise;
}
png_init_io(png_ptr, fp.GetHandle());
// Write header (8 bit colour depth)
png_set_IHDR(png_ptr, info_ptr, texture_config.width, texture_config.height,
8, PNG_COLOR_TYPE_RGB /*_ALPHA*/, PNG_INTERLACE_NONE,
PNG_COMPRESSION_TYPE_BASE, PNG_FILTER_TYPE_BASE);
png_text title_text;
title_text.compression = PNG_TEXT_COMPRESSION_NONE;
title_text.key = title_key;
title_text.text = title;
png_set_text(png_ptr, info_ptr, &title_text, 1);
png_write_info(png_ptr, info_ptr);
buf = new u8[row_stride * texture_config.height];
for (int y = 0; y < texture_config.height; ++y) {
for (int x = 0; x < texture_config.width; ++x) {
// Images are split into 8x8 tiles. Each tile is composed of four 4x4 subtiles each
// of which is composed of four 2x2 subtiles each of which is composed of four texels.
// Each structure is embedded into the next-bigger one in a diagonal pattern, e.g.
// texels are laid out in a 2x2 subtile like this:
// 2 3
// 0 1
//
// The full 8x8 tile has the texels arranged like this:
//
// 42 43 46 47 58 59 62 63
// 40 41 44 45 56 57 60 61
// 34 35 38 39 50 51 54 55
// 32 33 36 37 48 49 52 53
// 10 11 14 15 26 27 30 31
// 08 09 12 13 24 25 28 29
// 02 03 06 07 18 19 22 23
// 00 01 04 05 16 17 20 21
int texel_index_within_tile = 0;
for (int block_size_index = 0; block_size_index < 3; ++block_size_index) {
int sub_tile_width = 1 << block_size_index;
int sub_tile_height = 1 << block_size_index;
int sub_tile_index = (x & sub_tile_width) << block_size_index;
sub_tile_index += 2 * ((y & sub_tile_height) << block_size_index);
texel_index_within_tile += sub_tile_index;
}
const int block_width = 8;
const int block_height = 8;
int coarse_x = (x / block_width) * block_width;
int coarse_y = (y / block_height) * block_height;
u8* source_ptr = (u8*)data + coarse_x * block_height * 3 + coarse_y * row_stride + texel_index_within_tile * 3;
buf[3 * x + y * row_stride ] = source_ptr[2];
buf[3 * x + y * row_stride + 1] = source_ptr[1];
buf[3 * x + y * row_stride + 2] = source_ptr[0];
}
}
// Write image data
for (auto y = 0; y < texture_config.height; ++y)
{
u8* row_ptr = (u8*)buf + y * row_stride;
u8* ptr = row_ptr;
png_write_row(png_ptr, row_ptr);
}
delete[] buf;
// End write
png_write_end(png_ptr, nullptr);
finalise:
if (info_ptr != nullptr) png_free_data(png_ptr, info_ptr, PNG_FREE_ALL, -1);
if (png_ptr != nullptr) png_destroy_write_struct(&png_ptr, (png_infopp)nullptr);
#endif
}
} // namespace
} // namespace

2
src/video_core/debug_utils/debug_utils.h
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@@ -59,6 +59,8 @@ bool IsPicaTracing();
void OnPicaRegWrite(u32 id, u32 value);
std::unique_ptr<PicaTrace> FinishPicaTracing();
void DumpTexture(const Pica::Regs::TextureConfig& texture_config, u8* data);
} // namespace
} // namespace

45
src/video_core/pica.h
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@@ -94,7 +94,46 @@ struct Regs {
BitField<16, 16, u32> y;
} viewport_corner;
INSERT_PADDING_WORDS(0xa7);
INSERT_PADDING_WORDS(0x18);
struct TextureConfig {
INSERT_PADDING_WORDS(0x1);
union {
BitField< 0, 16, u32> height;
BitField<16, 16, u32> width;
};
INSERT_PADDING_WORDS(0x2);
u32 address;
u32 GetPhysicalAddress() {
return DecodeAddressRegister(address) - Memory::FCRAM_PADDR + Memory::HEAP_GSP_VADDR;
}
// texture1 and texture2 store the texture format directly after the address
// whereas texture0 inserts some additional flags inbetween.
// Hence, we store the format separately so that all other parameters can be described
// in a single structure.
};
enum class TextureFormat : u32 {
RGBA8 = 0,
RGB8 = 1,
RGBA5551 = 2,
RGB565 = 3,
RGBA4 = 4,
// TODO: Support for the other formats is not implemented, yet.
// Seems like they are luminance formats and compressed textures.
};
TextureConfig texture0;
INSERT_PADDING_WORDS(0x8);
BitField<0, 4, TextureFormat> texture0_format;
INSERT_PADDING_WORDS(0x81);
struct {
enum ColorFormat : u32 {
@@ -403,6 +442,8 @@ struct Regs {
ADD_FIELD(viewport_depth_range);
ADD_FIELD(viewport_depth_far_plane);
ADD_FIELD(viewport_corner);
ADD_FIELD(texture0);
ADD_FIELD(texture0_format);
ADD_FIELD(framebuffer);
ADD_FIELD(vertex_attributes);
ADD_FIELD(index_array);
@@ -460,6 +501,8 @@ ASSERT_REG_POSITION(viewport_depth_far_plane, 0x4e);
ASSERT_REG_POSITION(vs_output_attributes[0], 0x50);
ASSERT_REG_POSITION(vs_output_attributes[1], 0x51);
ASSERT_REG_POSITION(viewport_corner, 0x68);
ASSERT_REG_POSITION(texture0, 0x81);
ASSERT_REG_POSITION(texture0_format, 0x8e);
ASSERT_REG_POSITION(framebuffer, 0x110);
ASSERT_REG_POSITION(vertex_attributes, 0x200);
ASSERT_REG_POSITION(index_array, 0x227);