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-rw-r--r--src/video_core/debug_utils/debug_utils.cpp131
-rw-r--r--src/video_core/debug_utils/debug_utils.h2
-rw-r--r--src/video_core/pica.h45
3 files changed, 177 insertions, 1 deletions
diff --git a/src/video_core/debug_utils/debug_utils.cpp b/src/video_core/debug_utils/debug_utils.cpp
index 1bbc0330c..753de41e8 100644
--- a/src/video_core/debug_utils/debug_utils.cpp
+++ b/src/video_core/debug_utils/debug_utils.cpp
@@ -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
diff --git a/src/video_core/debug_utils/debug_utils.h b/src/video_core/debug_utils/debug_utils.h
index 023500066..49b19b28a 100644
--- a/src/video_core/debug_utils/debug_utils.h
+++ b/src/video_core/debug_utils/debug_utils.h
@@ -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
diff --git a/src/video_core/pica.h b/src/video_core/pica.h
index fe886c16f..f288615b8 100644
--- a/src/video_core/pica.h
+++ b/src/video_core/pica.h
@@ -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);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 18:48:49 +0100