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82 lines
2.8 KiB
C++
82 lines
2.8 KiB
C++
// Copyright 2014 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <cstdio>
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#include <cstring>
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#include "video_core/utils.h"
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namespace VideoCore {
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/**
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* Dumps a texture to TGA
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* @param filename String filename to dump texture to
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* @param width Width of texture in pixels
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* @param height Height of texture in pixels
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* @param raw_data Raw RGBA8 texture data to dump
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* @todo This should be moved to some general purpose/common code
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*/
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void DumpTGA(std::string filename, short width, short height, u8* raw_data) {
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TGAHeader hdr = {0, 0, 2, 0, 0, 0, 0, width, height, 24, 0};
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FILE* fout = fopen(filename.c_str(), "wb");
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fwrite(&hdr, sizeof(TGAHeader), 1, fout);
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for (int y = 0; y < height; y++) {
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for (int x = 0; x < width; x++) {
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putc(raw_data[(3 * (y * width)) + (3 * x) + 0], fout); // b
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putc(raw_data[(3 * (y * width)) + (3 * x) + 1], fout); // g
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putc(raw_data[(3 * (y * width)) + (3 * x) + 2], fout); // r
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}
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}
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fclose(fout);
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}
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template<int size>
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void CopyTextureAndTile(const u8* src, u8* dst, unsigned int width, unsigned int height) {
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for (unsigned int y = 0; y + 8 <= height; y += 8) {
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for (unsigned int x = 0; x + 8 <= width; x += 8) {
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const u8* line = &src[y * width + x];
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for (unsigned int yy = 0; yy < 8; ++yy) {
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for (unsigned int xx = 0; xx < 8; ++xx) {
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memcpy(dst + size * morton_lut[yy * 8 + xx], line + size * xx, size);
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}
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line += width;
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}
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dst += 8 * 8;
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}
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}
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}
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template void CopyTextureAndTile<2>(const u8* src, u8* dst, unsigned int width, unsigned int height);
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template void CopyTextureAndTile<3>(const u8* src, u8* dst, unsigned int width, unsigned int height);
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template void CopyTextureAndTile<4>(const u8* src, u8* dst, unsigned int width, unsigned int height);
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template<int size>
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void CopyTextureAndUntile(const u8* src, u8* dst, unsigned int width, unsigned int height) {
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for (unsigned int y = 0; y + 8 <= height; y += 8) {
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for (unsigned int x = 0; x + 8 <= width; x += 8) {
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u8* line = &dst[y * width + x];
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for (unsigned int yy = 0; yy < 8; ++yy) {
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for (unsigned int xx = 0; xx < 8; ++xx) {
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memcpy(line + size * xx, src + size * morton_lut[yy * 8 + xx], size);
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}
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line += width;
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}
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src += 8 * 8;
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}
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}
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}
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template void CopyTextureAndUntile<2>(const u8* src, u8* dst, unsigned int width, unsigned int height);
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template void CopyTextureAndUntile<3>(const u8* src, u8* dst, unsigned int width, unsigned int height);
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template void CopyTextureAndUntile<4>(const u8* src, u8* dst, unsigned int width, unsigned int height);
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} // namespace
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