diff options
| -rw-r--r-- | src/gallium/auxiliary/util/u_debug.c | 59 | ||||
| -rw-r--r-- | src/gallium/auxiliary/util/u_debug.h | 4 |
2 files changed, 63 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/util/u_debug.c b/src/gallium/auxiliary/util/u_debug.c index cb162d89a58..2b605594a2e 100644 --- a/src/gallium/auxiliary/util/u_debug.c +++ b/src/gallium/auxiliary/util/u_debug.c @@ -727,6 +727,65 @@ error1: ; } +void +debug_dump_ubyte_rgba_bmp(const char *filename, + unsigned width, unsigned height, + const ubyte *rgba, unsigned stride) +{ + FILE *stream; + struct bmp_file_header bmfh; + struct bmp_info_header bmih; + unsigned x, y; + + assert(rgba); + if(!rgba) + goto error1; + + bmfh.bfType = 0x4d42; + bmfh.bfSize = 14 + 40 + height*width*4; + bmfh.bfReserved1 = 0; + bmfh.bfReserved2 = 0; + bmfh.bfOffBits = 14 + 40; + + bmih.biSize = 40; + bmih.biWidth = width; + bmih.biHeight = height; + bmih.biPlanes = 1; + bmih.biBitCount = 32; + bmih.biCompression = 0; + bmih.biSizeImage = height*width*4; + bmih.biXPelsPerMeter = 0; + bmih.biYPelsPerMeter = 0; + bmih.biClrUsed = 0; + bmih.biClrImportant = 0; + + stream = fopen(filename, "wb"); + assert(stream); + if(!stream) + goto error1; + + fwrite(&bmfh, 14, 1, stream); + fwrite(&bmih, 40, 1, stream); + + y = height; + while(y--) { + const ubyte *ptr = rgba + (stride * y * 4); + for(x = 0; x < width; ++x) + { + struct bmp_rgb_quad pixel; + pixel.rgbRed = ptr[x*4 + 0]; + pixel.rgbGreen = ptr[x*4 + 1]; + pixel.rgbBlue = ptr[x*4 + 2]; + pixel.rgbAlpha = ptr[x*4 + 3]; + fwrite(&pixel, 1, 4, stream); + } + } + + fclose(stream); +error1: + ; +} + /** * Print PIPE_TRANSFER_x flags with a message. diff --git a/src/gallium/auxiliary/util/u_debug.h b/src/gallium/auxiliary/util/u_debug.h index 34668f844e9..671bd37a085 100644 --- a/src/gallium/auxiliary/util/u_debug.h +++ b/src/gallium/auxiliary/util/u_debug.h @@ -490,12 +490,16 @@ void debug_dump_transfer_bmp(struct pipe_context *pipe, void debug_dump_float_rgba_bmp(const char *filename, unsigned width, unsigned height, float *rgba, unsigned stride); +void debug_dump_ubyte_rgba_bmp(const char *filename, + unsigned width, unsigned height, + const ubyte *rgba, unsigned stride); #else #define debug_dump_image(prefix, format, cpp, width, height, stride, data) ((void)0) #define debug_dump_surface(pipe, prefix, surface) ((void)0) #define debug_dump_surface_bmp(pipe, filename, surface) ((void)0) #define debug_dump_transfer_bmp(filename, transfer, ptr) ((void)0) #define debug_dump_float_rgba_bmp(filename, width, height, rgba, stride) ((void)0) +#define debug_dump_ubyte_rgba_bmp(filename, width, height, rgba, stride) ((void)0) #endif |