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Refactor dtex parser again

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This commit is contained in:
UnknownShadow200 2025-02-05 21:36:28 +11:00
parent 4255767f9f
commit 72baba7a5e
1 changed files with 71 additions and 67 deletions
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138
samples/depth_funcs_alpha_testing/gl_png.c
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@ -38,83 +38,87 @@ static int decode_dtex(Image* image, FILE* file) {
fread(image->data, image->dataSize, 1, file);
fclose(file);
if(image->compressed) {
printf("Compressed - ");
if(image->twiddled) {
printf("Twiddled - ");
switch(format) {
case 0: {
if(image->mipmapped) {
image->internalFormat = GL_COMPRESSED_ARGB_1555_VQ_MIPMAP_TWID_KOS;
} else {
image->internalFormat = GL_COMPRESSED_ARGB_1555_VQ_TWID_KOS;
}
} break;
case 1: {
if(image->mipmapped) {
image->internalFormat = GL_COMPRESSED_RGB_565_VQ_MIPMAP_TWID_KOS;
} else {
image->internalFormat = GL_COMPRESSED_RGB_565_VQ_TWID_KOS;
}
} break;
case 2: {
if(image->mipmapped) {
image->internalFormat = GL_COMPRESSED_ARGB_4444_VQ_MIPMAP_TWID_KOS;
} else {
image->internalFormat = GL_COMPRESSED_ARGB_4444_VQ_TWID_KOS;
}
}
break;
default:
fprintf(stderr, "Invalid texture format");
return 0;
}
} else {
switch(format) {
case 0: {
if(image->mipmapped) {
image->internalFormat = GL_COMPRESSED_ARGB_1555_VQ_MIPMAP_KOS;
} else {
image->internalFormat = GL_COMPRESSED_ARGB_1555_VQ_KOS;
}
} break;
case 1: {
if(image->mipmapped) {
image->internalFormat = GL_COMPRESSED_RGB_565_VQ_MIPMAP_KOS;
} else {
image->internalFormat = GL_COMPRESSED_RGB_565_VQ_KOS;
}
} break;
case 2: {
if(image->mipmapped) {
image->internalFormat = GL_COMPRESSED_ARGB_4444_VQ_MIPMAP_KOS;
} else {
image->internalFormat = GL_COMPRESSED_ARGB_4444_VQ_KOS;
}
}
break;
default:
fprintf(stderr, "Invalid texture format");
return 0;
}
}
} else {
printf("Uncompressed - ");
//printf("Color:%u -", format);
if(image->compressed && image->twiddled) {
switch(format) {
case 0:
puts("Compressed & Twiddled - ARGB 1555");
if(image->mipmapped) {
image->internalFormat = GL_COMPRESSED_ARGB_1555_VQ_MIPMAP_TWID_KOS;
} else {
image->internalFormat = GL_COMPRESSED_ARGB_1555_VQ_TWID_KOS;
}
return 1;
case 1:
puts("Compressed & Twiddled - RGB 565");
if(image->mipmapped) {
image->internalFormat = GL_COMPRESSED_RGB_565_VQ_MIPMAP_TWID_KOS;
} else {
image->internalFormat = GL_COMPRESSED_RGB_565_VQ_TWID_KOS;
}
return 1;
case 2:
puts("Compressed & Twiddled - ARGB 4444");
if(image->mipmapped) {
image->internalFormat = GL_COMPRESSED_ARGB_4444_VQ_MIPMAP_TWID_KOS;
} else {
image->internalFormat = GL_COMPRESSED_ARGB_4444_VQ_TWID_KOS;
}
return 1;
}
} else if (image->compressed) {
switch(format) {
case 0:
puts("Compressed - ARGB 1555");
if(image->mipmapped) {
image->internalFormat = GL_COMPRESSED_ARGB_1555_VQ_MIPMAP_KOS;
} else {
image->internalFormat = GL_COMPRESSED_ARGB_1555_VQ_KOS;
}
return 1;
case 1:
puts("Compressed - RGB 565");
if(image->mipmapped) {
image->internalFormat = GL_COMPRESSED_RGB_565_VQ_MIPMAP_KOS;
} else {
image->internalFormat = GL_COMPRESSED_RGB_565_VQ_KOS;
}
return 1;
case 2:
puts("Compressed - ARGB 4444");
if(image->mipmapped) {
image->internalFormat = GL_COMPRESSED_ARGB_4444_VQ_MIPMAP_KOS;
} else {
image->internalFormat = GL_COMPRESSED_ARGB_4444_VQ_KOS;
}
return 1;
}
} else {
switch (format) {
case 0:
puts("Uncompressed - ARGB 1555");
image->internalFormat = GL_UNSIGNED_SHORT_1_5_5_5_REV_TWID_KOS;
//image->internalFormat = GL_UNSIGNED_SHORT_1_5_5_5_REV;
break;
return 1;
case 1:
puts("Uncompressed - RGB 565");
image->internalFormat = GL_UNSIGNED_SHORT_5_6_5_REV;
break;
return 1;
case 2:
puts("Uncompressed - ARGB 4444");
image->internalFormat = GL_UNSIGNED_SHORT_4_4_4_4_REV;
break;
return 1;
}
}
printf("\n");
fprintf(stderr, "Invalid texture format %u\n", header.type);
return 0;
}
int dtex_to_gl_texture(texture *tex, char* filename) {