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authorJakob Bornecrantz <jakob@vmware.com>2009-03-21 14:23:04 +0100
committerJakob Bornecrantz <jakob@vmware.com>2009-03-22 04:59:09 +0100
commitda96767c8971e792285e3190c708438d65802379 (patch)
treeb0bace74ee28c0e63e943564f34a9d2bd4a0a17f /src/gallium/auxiliary
parent1196885293f19003472276a6446a1904e9c69112 (diff)
debug: Add function for writing transfers to files
Diffstat (limited to 'src/gallium/auxiliary')
-rw-r--r--src/gallium/auxiliary/util/u_debug.c71
-rw-r--r--src/gallium/auxiliary/util/u_debug.h3
2 files changed, 42 insertions, 32 deletions
diff --git a/src/gallium/auxiliary/util/u_debug.c b/src/gallium/auxiliary/util/u_debug.c
index f96e27e09f..0af69d8c8f 100644
--- a/src/gallium/auxiliary/util/u_debug.c
+++ b/src/gallium/auxiliary/util/u_debug.c
@@ -715,78 +715,85 @@ struct bmp_rgb_quad {
uint8_t rgbAlpha;
};
-void
+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;
struct pipe_screen *screen;
+
+ transfer = screen->get_tex_transfer(screen, texture, surface->face,
+ surface->level, surface->zslice,
+ PIPE_TRANSFER_READ, 0, 0, surface->width,
+ surface->height);
+
+ debug_dump_transfer_bmp(filename, transfer);
+
+ screen->tex_transfer_destroy(transfer);
+}
+
+void
+debug_dump_transfer_bmp(const char *filename,
+ struct pipe_transfer *transfer)
+{
+#ifndef PIPE_SUBSYSTEM_WINDOWS_MINIPORT
struct util_stream *stream;
- struct pipe_transfer *transfer;
struct bmp_file_header bmfh;
struct bmp_info_header bmih;
float *rgba;
unsigned x, y;
- if (!surface)
+ if (!transfer)
goto error1;
- rgba = MALLOC(surface->width*4*sizeof(float));
+ rgba = MALLOC(transfer->width*transfer->height*4*sizeof(float));
if(!rgba)
goto error1;
-
+
bmfh.bfType = 0x4d42;
- bmfh.bfSize = 14 + 40 + surface->height*surface->width*4;
+ bmfh.bfSize = 14 + 40 + transfer->height*transfer->width*4;
bmfh.bfReserved1 = 0;
bmfh.bfReserved2 = 0;
bmfh.bfOffBits = 14 + 40;
-
+
bmih.biSize = 40;
- bmih.biWidth = surface->width;
- bmih.biHeight = surface->height;
+ bmih.biWidth = transfer->width;
+ bmih.biHeight = transfer->height;
bmih.biPlanes = 1;
bmih.biBitCount = 32;
bmih.biCompression = 0;
- bmih.biSizeImage = surface->height*surface->width*4;
+ bmih.biSizeImage = transfer->height*transfer->width*4;
bmih.biXPelsPerMeter = 0;
bmih.biYPelsPerMeter = 0;
bmih.biClrUsed = 0;
bmih.biClrImportant = 0;
-
+
stream = util_stream_create(filename, bmfh.bfSize);
if(!stream)
goto error2;
-
+
util_stream_write(stream, &bmfh, 14);
util_stream_write(stream, &bmih, 40);
- texture = surface->texture;
- screen = texture->screen;
-
- transfer = screen->get_tex_transfer(screen, texture, surface->face,
- surface->level, surface->zslice,
- PIPE_TRANSFER_READ, 0, 0, surface->width,
- surface->height);
+ pipe_get_tile_rgba(transfer, 0, 0,
+ transfer->width, transfer->height,
+ rgba);
- y = surface->height;
+ y = transfer->height;
while(y--) {
- pipe_get_tile_rgba(transfer,
- 0, y, surface->width, 1,
- rgba);
- for(x = 0; x < surface->width; ++x)
+ float *ptr = rgba + (transfer->width * y * 4);
+ for(x = 0; x < transfer->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]);
+ pixel.rgbRed = float_to_ubyte(ptr[x*4 + 0]);
+ pixel.rgbGreen = float_to_ubyte(ptr[x*4 + 1]);
+ pixel.rgbBlue = float_to_ubyte(ptr[x*4 + 2]);
+ pixel.rgbAlpha = 255;
util_stream_write(stream, &pixel, 4);
- }
+ }
}
- screen->tex_transfer_destroy(transfer);
-
util_stream_close(stream);
error2:
FREE(rgba);
diff --git a/src/gallium/auxiliary/util/u_debug.h b/src/gallium/auxiliary/util/u_debug.h
index 7c829707b2..33e7cb3419 100644
--- a/src/gallium/auxiliary/util/u_debug.h
+++ b/src/gallium/auxiliary/util/u_debug.h
@@ -338,6 +338,7 @@ debug_profile_stop(void);
#ifdef DEBUG
struct pipe_surface;
+struct pipe_transfer;
void debug_dump_image(const char *prefix,
unsigned format, unsigned cpp,
unsigned width, unsigned height,
@@ -347,6 +348,8 @@ void debug_dump_surface(const char *prefix,
struct pipe_surface *surface);
void debug_dump_surface_bmp(const char *filename,
struct pipe_surface *surface);
+void debug_dump_transfer_bmp(const char *filename,
+ struct pipe_transfer *transfer);
#else
#define debug_dump_image(prefix, format, cpp, width, height, stride, data) ((void)0)
#define debug_dump_surface(prefix, surface) ((void)0)