diff options
| -rw-r--r-- | src/gallium/auxiliary/util/p_debug.c | 109 | ||||
| -rw-r--r-- | src/gallium/include/pipe/p_debug.h | 3 |
2 files changed, 112 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/util/p_debug.c b/src/gallium/auxiliary/util/p_debug.c index d56449e7ec6..131e9b026c4 100644 --- a/src/gallium/auxiliary/util/p_debug.c +++ b/src/gallium/auxiliary/util/p_debug.c @@ -55,7 +55,11 @@ #include "pipe/p_format.h" #include "pipe/p_state.h" #include "pipe/p_inlines.h" +#include "util/u_memory.h" #include "util/u_string.h" +#include "util/u_stream.h" +#include "util/u_math.h" +#include "util/u_tile.h" #ifdef PIPE_SUBSYSTEM_WINDOWS_DISPLAY @@ -584,4 +588,109 @@ error2: error1: ; } + + +#pragma pack(push,2) +struct bmp_file_header { + uint16_t bfType; + uint32_t bfSize; + uint16_t bfReserved1; + uint16_t bfReserved2; + uint32_t bfOffBits; +}; +#pragma pack(pop) + +struct bmp_info_header { + uint32_t biSize; + int32_t biWidth; + int32_t biHeight; + uint16_t biPlanes; + uint16_t biBitCount; + uint32_t biCompression; + uint32_t biSizeImage; + int32_t biXPelsPerMeter; + int32_t biYPelsPerMeter; + uint32_t biClrUsed; + uint32_t biClrImportant; +}; + +struct bmp_rgb_quad { + uint8_t rgbBlue; + uint8_t rgbGreen; + uint8_t rgbRed; + uint8_t rgbAlpha; +}; + +void +debug_dump_surface_bmp(const char *filename, + struct pipe_surface *surface) +{ + struct util_stream *stream; + unsigned surface_usage; + struct bmp_file_header bmfh; + struct bmp_info_header bmih; + float *rgba; + unsigned x, y; + + if (!surface) + goto error1; + + rgba = MALLOC(surface->width*4*sizeof(float)); + if(!rgba) + goto error1; + + bmfh.bfType = 0x4d42; + bmfh.bfSize = 14 + 40 + surface->height*surface->width*4; + bmfh.bfReserved1 = 0; + bmfh.bfReserved2 = 0; + bmfh.bfOffBits = 14 + 40; + + bmih.biSize = 40; + bmih.biWidth = surface->width; + bmih.biHeight = surface->height; + bmih.biPlanes = 1; + bmih.biBitCount = 32; + bmih.biCompression = 0; + bmih.biSizeImage = surface->height*surface->width*4; + bmih.biXPelsPerMeter = 0; + bmih.biYPelsPerMeter = 0; + bmih.biClrUsed = 0; + bmih.biClrImportant = 0; + + stream = util_stream_create(filename); + if(!stream) + goto error2; + + util_stream_write(stream, &bmfh, 14); + util_stream_write(stream, &bmih, 40); + + /* XXX: force mappable surface */ + surface_usage = surface->usage; + surface->usage |= PIPE_BUFFER_USAGE_CPU_READ; + + y = surface->height; + while(y--) { + pipe_get_tile_rgba(surface, + 0, y, surface->width, 1, + rgba); + for(x = 0; x < surface->width; ++x) + { + struct bmp_rgb_quad pixel; + pixel.rgbRed = float_to_ubyte(rgba[x*4 + 0]); + pixel.rgbGreen = float_to_ubyte(rgba[x*4 + 1]); + pixel.rgbBlue = float_to_ubyte(rgba[x*4 + 2]); + pixel.rgbAlpha = float_to_ubyte(rgba[x*4 + 3]); + util_stream_write(stream, &pixel, 4); + } + } + + surface->usage = surface_usage; + + util_stream_close(stream); +error2: + FREE(rgba); +error1: + ; +} + #endif diff --git a/src/gallium/include/pipe/p_debug.h b/src/gallium/include/pipe/p_debug.h index 6478ae2f08e..cb6196aa9fb 100644 --- a/src/gallium/include/pipe/p_debug.h +++ b/src/gallium/include/pipe/p_debug.h @@ -340,9 +340,12 @@ void debug_dump_image(const char *prefix, const void *data); void debug_dump_surface(const char *prefix, struct pipe_surface *surface); +void debug_dump_surface_bmp(const char *filename, + struct pipe_surface *surface); #else #define debug_dump_image(prefix, format, cpp, width, height, stride, data) ((void)0) #define debug_dump_surface(prefix, surface) ((void)0) +#define debug_dump_surface_bmp(filename, surface) ((void)0) #endif |