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util: Add more entry points for dumping to bmp

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This commit is contained in:
Jakob Bornecrantz
2009-04-23 05:42:26 +02:00
parent eb5d96968f
commit f4a286e5f5
2 changed files with 43 additions and 18 deletions
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56
src/gallium/auxiliary/util/u_debug.c
View File

@@ -721,6 +721,7 @@ void
debug_dump_surface_bmp(const char *filename,
struct pipe_surface *surface)
{
#ifndef PIPE_SUBSYSTEM_WINDOWS_MINIPORT
struct pipe_transfer *transfer;
struct pipe_texture *texture = surface->texture;
struct pipe_screen *screen = texture->screen;
@@ -733,6 +734,7 @@ debug_dump_surface_bmp(const char *filename,
debug_dump_transfer_bmp(filename, transfer);
screen->tex_transfer_destroy(transfer);
#endif
}
void
@@ -740,32 +742,56 @@ debug_dump_transfer_bmp(const char *filename,
struct pipe_transfer *transfer)
{
#ifndef PIPE_SUBSYSTEM_WINDOWS_MINIPORT
struct util_stream *stream;
struct bmp_file_header bmfh;
struct bmp_info_header bmih;
float *rgba;
unsigned x, y;
if (!transfer)
goto error1;
rgba = MALLOC(transfer->width*transfer->height*4*sizeof(float));
if(!rgba)
goto error1;
pipe_get_tile_rgba(transfer, 0, 0,
transfer->width, transfer->height,
rgba);
debug_dump_float_rgba_bmp(filename,
transfer->width, transfer->height,
rgba, transfer->width);
FREE(rgba);
error1:
;
#endif
}
void
debug_dump_float_rgba_bmp(const char *filename,
unsigned width, unsigned height,
float *rgba, unsigned stride)
{
#ifndef PIPE_SUBSYSTEM_WINDOWS_MINIPORT
struct util_stream *stream;
struct bmp_file_header bmfh;
struct bmp_info_header bmih;
unsigned x, y;
if(!rgba)
goto error1;
bmfh.bfType = 0x4d42;
bmfh.bfSize = 14 + 40 + transfer->height*transfer->width*4;
bmfh.bfSize = 14 + 40 + height*width*4;
bmfh.bfReserved1 = 0;
bmfh.bfReserved2 = 0;
bmfh.bfOffBits = 14 + 40;
bmih.biSize = 40;
bmih.biWidth = transfer->width;
bmih.biHeight = transfer->height;
bmih.biWidth = width;
bmih.biHeight = height;
bmih.biPlanes = 1;
bmih.biBitCount = 32;
bmih.biCompression = 0;
bmih.biSizeImage = transfer->height*transfer->width*4;
bmih.biSizeImage = height*width*4;
bmih.biXPelsPerMeter = 0;
bmih.biYPelsPerMeter = 0;
bmih.biClrUsed = 0;
@@ -773,19 +799,15 @@ debug_dump_transfer_bmp(const char *filename,
stream = util_stream_create(filename, bmfh.bfSize);
if(!stream)
goto error2;
goto error1;
util_stream_write(stream, &bmfh, 14);
util_stream_write(stream, &bmih, 40);
pipe_get_tile_rgba(transfer, 0, 0,
transfer->width, transfer->height,
rgba);
y = transfer->height;
y = height;
while(y--) {
float *ptr = rgba + (transfer->width * y * 4);
for(x = 0; x < transfer->width; ++x)
float *ptr = rgba + (stride * y * 4);
for(x = 0; x < width; ++x)
{
struct bmp_rgb_quad pixel;
pixel.rgbRed = float_to_ubyte(ptr[x*4 + 0]);
@@ -797,8 +819,6 @@ debug_dump_transfer_bmp(const char *filename,
}
util_stream_close(stream);
error2:
FREE(rgba);
error1:
;
#endif

5
src/gallium/auxiliary/util/u_debug.h
View File

@@ -347,10 +347,15 @@ void debug_dump_surface_bmp(const char *filename,
struct pipe_surface *surface);
void debug_dump_transfer_bmp(const char *filename,
struct pipe_transfer *transfer);
void debug_dump_float_rgba_bmp(const char *filename,
unsigned width, unsigned height,
float *rgba, unsigned stride);
#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)
#define debug_dump_transfer_bmp(filename, transfer) ((void)0)
#define debug_dump_rgba_float_bmp(filename, width, height, rgba, stride) ((void)0)
#endif