Pica: Add support for dumping textures.
This commit is contained in:
Tony Wasserka
parent
162d641a30
commit
c4691b784b
6 changed files with 184 additions and 3 deletions
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@ -9,6 +9,11 @@ add_definitions(-Wno-attributes)
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add_definitions(-DSINGLETHREADED)
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add_definitions(${CXX_COMPILE_FLAGS})
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find_package(PNG)
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if (PNG_FOUND)
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add_definitions(-DHAVE_PNG)
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endif ()
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# dependency checking
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list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/externals/cmake-modules/")
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set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_SOURCE_DIR}/CMakeTests)
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@ -12,7 +12,7 @@ add_executable(citra ${SRCS} ${HEADERS})
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if (APPLE)
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target_link_libraries(citra core common video_core iconv pthread ${COREFOUNDATION_LIBRARY} ${OPENGL_LIBRARIES} ${GLEW_LIBRARY} ${GLFW_LIBRARIES})
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else()
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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})
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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})
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endif()
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#install(TARGETS citra RUNTIME DESTINATION ${bindir})
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@ -47,7 +47,7 @@ else()
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set(RT_LIBRARY rt)
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endif()
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target_link_libraries(citra-qt core common video_core qhexedit ${ICONV_LIBRARY} ${COREFOUNDATION_LIBRARY} ${QT_LIBRARIES} ${OPENGL_LIBRARIES} ${RT_LIBRARY} ${GLEW_LIBRARY})
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target_link_libraries(citra-qt core common video_core qhexedit ${ICONV_LIBRARY} ${COREFOUNDATION_LIBRARY} ${QT_LIBRARIES} ${OPENGL_LIBRARIES} ${RT_LIBRARY} ${GLEW_LIBRARY} ${PNG_LIBRARIES})
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if(USE_QT5)
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target_link_libraries(citra-qt Qt5::Gui Qt5::Widgets Qt5::OpenGL)
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endif()
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@ -3,10 +3,17 @@
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// Refer to the license.txt file included.
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#include <algorithm>
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#include <map>
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#include <fstream>
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#include <mutex>
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#include <string>
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#ifdef HAVE_PNG
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#include <png.h>
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#endif
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#include "common/file_util.h"
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#include "video_core/pica.h"
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#include "debug_utils.h"
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@ -315,6 +322,130 @@ std::unique_ptr<PicaTrace> FinishPicaTracing()
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return std::move(ret);
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}
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void DumpTexture(const Pica::Regs::TextureConfig& texture_config, u8* data) {
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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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#ifndef HAVE_PNG
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return;
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#else
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if (!data)
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return;
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// Write data to file
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static int dump_index = 0;
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std::string filename = std::string("texture_dump") + std::to_string(++dump_index) + std::string(".png");
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u32 row_stride = texture_config.width * 3;
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u8* buf;
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char title[] = "Citra texture dump";
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char title_key[] = "Title";
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png_structp png_ptr = nullptr;
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png_infop info_ptr = nullptr;
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// Open file for writing (binary mode)
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File::IOFile fp(filename, "wb");
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// Initialize write structure
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png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, nullptr, nullptr, nullptr);
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if (png_ptr == nullptr) {
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ERROR_LOG(GPU, "Could not allocate write struct\n");
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goto finalise;
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}
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// Initialize info structure
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info_ptr = png_create_info_struct(png_ptr);
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if (info_ptr == nullptr) {
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ERROR_LOG(GPU, "Could not allocate info struct\n");
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goto finalise;
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}
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// Setup Exception handling
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if (setjmp(png_jmpbuf(png_ptr))) {
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ERROR_LOG(GPU, "Error during png creation\n");
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goto finalise;
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}
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png_init_io(png_ptr, fp.GetHandle());
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// Write header (8 bit colour depth)
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png_set_IHDR(png_ptr, info_ptr, texture_config.width, texture_config.height,
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8, PNG_COLOR_TYPE_RGB /*_ALPHA*/, PNG_INTERLACE_NONE,
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PNG_COMPRESSION_TYPE_BASE, PNG_FILTER_TYPE_BASE);
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png_text title_text;
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title_text.compression = PNG_TEXT_COMPRESSION_NONE;
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title_text.key = title_key;
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title_text.text = title;
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png_set_text(png_ptr, info_ptr, &title_text, 1);
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png_write_info(png_ptr, info_ptr);
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buf = new u8[row_stride * texture_config.height];
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for (int y = 0; y < texture_config.height; ++y) {
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for (int x = 0; x < texture_config.width; ++x) {
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// Images are split into 8x8 tiles. Each tile is composed of four 4x4 subtiles each
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// of which is composed of four 2x2 subtiles each of which is composed of four texels.
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// Each structure is embedded into the next-bigger one in a diagonal pattern, e.g.
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// texels are laid out in a 2x2 subtile like this:
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// 2 3
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// 0 1
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//
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// The full 8x8 tile has the texels arranged like this:
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//
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// 42 43 46 47 58 59 62 63
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// 40 41 44 45 56 57 60 61
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// 34 35 38 39 50 51 54 55
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// 32 33 36 37 48 49 52 53
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// 10 11 14 15 26 27 30 31
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// 08 09 12 13 24 25 28 29
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// 02 03 06 07 18 19 22 23
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// 00 01 04 05 16 17 20 21
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int texel_index_within_tile = 0;
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for (int block_size_index = 0; block_size_index < 3; ++block_size_index) {
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int sub_tile_width = 1 << block_size_index;
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int sub_tile_height = 1 << block_size_index;
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int sub_tile_index = (x & sub_tile_width) << block_size_index;
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sub_tile_index += 2 * ((y & sub_tile_height) << block_size_index);
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texel_index_within_tile += sub_tile_index;
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}
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const int block_width = 8;
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const int block_height = 8;
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int coarse_x = (x / block_width) * block_width;
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int coarse_y = (y / block_height) * block_height;
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u8* source_ptr = (u8*)data + coarse_x * block_height * 3 + coarse_y * row_stride + texel_index_within_tile * 3;
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buf[3 * x + y * row_stride ] = source_ptr[2];
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buf[3 * x + y * row_stride + 1] = source_ptr[1];
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buf[3 * x + y * row_stride + 2] = source_ptr[0];
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}
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}
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// Write image data
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for (auto y = 0; y < texture_config.height; ++y)
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{
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u8* row_ptr = (u8*)buf + y * row_stride;
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u8* ptr = row_ptr;
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png_write_row(png_ptr, row_ptr);
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}
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delete[] buf;
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// End write
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png_write_end(png_ptr, nullptr);
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finalise:
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if (info_ptr != nullptr) png_free_data(png_ptr, info_ptr, PNG_FREE_ALL, -1);
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if (png_ptr != nullptr) png_destroy_write_struct(&png_ptr, (png_infopp)nullptr);
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#endif
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}
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} // namespace
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} // namespace
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@ -59,6 +59,8 @@ bool IsPicaTracing();
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void OnPicaRegWrite(u32 id, u32 value);
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std::unique_ptr<PicaTrace> FinishPicaTracing();
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void DumpTexture(const Pica::Regs::TextureConfig& texture_config, u8* data);
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} // namespace
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} // namespace
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@ -94,7 +94,46 @@ struct Regs {
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BitField<16, 16, u32> y;
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} viewport_corner;
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INSERT_PADDING_WORDS(0xa7);
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INSERT_PADDING_WORDS(0x18);
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struct TextureConfig {
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INSERT_PADDING_WORDS(0x1);
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union {
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BitField< 0, 16, u32> height;
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BitField<16, 16, u32> width;
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};
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INSERT_PADDING_WORDS(0x2);
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u32 address;
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u32 GetPhysicalAddress() {
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return DecodeAddressRegister(address) - Memory::FCRAM_PADDR + Memory::HEAP_GSP_VADDR;
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}
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// texture1 and texture2 store the texture format directly after the address
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// whereas texture0 inserts some additional flags inbetween.
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// Hence, we store the format separately so that all other parameters can be described
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// in a single structure.
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};
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enum class TextureFormat : u32 {
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RGBA8 = 0,
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RGB8 = 1,
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RGBA5551 = 2,
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RGB565 = 3,
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RGBA4 = 4,
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// TODO: Support for the other formats is not implemented, yet.
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// Seems like they are luminance formats and compressed textures.
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};
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TextureConfig texture0;
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INSERT_PADDING_WORDS(0x8);
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BitField<0, 4, TextureFormat> texture0_format;
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INSERT_PADDING_WORDS(0x81);
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struct {
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enum ColorFormat : u32 {
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@ -403,6 +442,8 @@ struct Regs {
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ADD_FIELD(viewport_depth_range);
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ADD_FIELD(viewport_depth_far_plane);
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ADD_FIELD(viewport_corner);
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ADD_FIELD(texture0);
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ADD_FIELD(texture0_format);
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ADD_FIELD(framebuffer);
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ADD_FIELD(vertex_attributes);
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ADD_FIELD(index_array);
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@ -460,6 +501,8 @@ ASSERT_REG_POSITION(viewport_depth_far_plane, 0x4e);
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ASSERT_REG_POSITION(vs_output_attributes[0], 0x50);
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ASSERT_REG_POSITION(vs_output_attributes[1], 0x51);
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ASSERT_REG_POSITION(viewport_corner, 0x68);
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ASSERT_REG_POSITION(texture0, 0x81);
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ASSERT_REG_POSITION(texture0_format, 0x8e);
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ASSERT_REG_POSITION(framebuffer, 0x110);
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ASSERT_REG_POSITION(vertex_attributes, 0x200);
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ASSERT_REG_POSITION(index_array, 0x227);
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