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mesa: move, clean-up _mesa_print_texture()

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This commit is contained in:
Brian Paul
2009-10-29 09:25:16 -06:00
parent d580c0c8f7
commit 67df4fb56b
3 changed files with 64 additions and 57 deletions
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61
src/mesa/main/debug.c
View File

@@ -574,3 +574,64 @@ _mesa_dump_stencil_buffer(const char *filename)
_mesa_free(buf); _mesa_free(buf);
_mesa_free(buf2); _mesa_free(buf2);
} }
/**
* Quick and dirty function to "print" a texture to stdout.
*/
void
_mesa_print_texture(GLcontext *ctx, const struct gl_texture_image *img)
{
#if CHAN_TYPE != GL_UNSIGNED_BYTE
_mesa_problem(NULL, "PrintTexture not supported");
#else
GLuint i, j, c;
const GLubyte *data = (const GLubyte *) img->Data;
if (!data) {
_mesa_printf("No texture data\n");
return;
}
/* XXX add more formats or make into a new format utility function */
switch (img->TexFormat) {
case MESA_FORMAT_A8:
case MESA_FORMAT_L8:
case MESA_FORMAT_I8:
case MESA_FORMAT_CI8:
c = 1;
break;
case MESA_FORMAT_AL88:
case MESA_FORMAT_AL88_REV:
c = 2;
break;
case MESA_FORMAT_RGB888:
case MESA_FORMAT_BGR888:
c = 3;
break;
case MESA_FORMAT_RGBA8888:
case MESA_FORMAT_ARGB8888:
c = 4;
break;
default:
_mesa_problem(NULL, "error in PrintTexture\n");
return;
}
for (i = 0; i < img->Height; i++) {
for (j = 0; j < img->Width; j++) {
if (c==1)
_mesa_printf("%02x ", data[0]);
else if (c==2)
_mesa_printf("%02x%02x ", data[0], data[1]);
else if (c==3)
_mesa_printf("%02x%02x%02x ", data[0], data[1], data[2]);
else if (c==4)
_mesa_printf("%02x%02x%02x%02x ", data[0], data[1], data[2], data[3]);
data += (img->RowStride - img->Width) * c;
}
/* XXX use img->ImageStride here */
_mesa_printf("\n");
}
#endif
}

3
src/mesa/main/debug.h
View File

@@ -75,4 +75,7 @@ _mesa_dump_depth_buffer(const char *filename);
extern void extern void
_mesa_dump_stencil_buffer(const char *filename); _mesa_dump_stencil_buffer(const char *filename);
extern void
_mesa_print_texture(GLcontext *ctx, const struct gl_texture_image *img);
#endif #endif

57
src/mesa/main/teximage.c
View File

@@ -82,63 +82,6 @@ _mesa_free_texmemory(void *m)
} }
#if 0
static void PrintTexture(GLcontext *ctx, const struct gl_texture_image *img)
{
#if CHAN_TYPE != GL_UNSIGNED_BYTE
_mesa_problem(NULL, "PrintTexture not supported");
#else
GLuint i, j, c;
const GLubyte *data = (const GLubyte *) img->Data;
if (!data) {
_mesa_printf("No texture data\n");
return;
}
switch (img->Format) {
case GL_ALPHA:
case GL_LUMINANCE:
case GL_INTENSITY:
case GL_COLOR_INDEX:
c = 1;
break;
case GL_LUMINANCE_ALPHA:
c = 2;
break;
case GL_RGB:
c = 3;
break;
case GL_RGBA:
c = 4;
break;
default:
_mesa_problem(NULL, "error in PrintTexture\n");
return;
}
for (i = 0; i < img->Height; i++) {
for (j = 0; j < img->Width; j++) {
if (c==1)
_mesa_printf("%02x ", data[0]);
else if (c==2)
_mesa_printf("%02x%02x ", data[0], data[1]);
else if (c==3)
_mesa_printf("%02x%02x%02x ", data[0], data[1], data[2]);
else if (c==4)
_mesa_printf("%02x%02x%02x%02x ", data[0], data[1], data[2], data[3]);
data += (img->RowStride - img->Width) * c;
}
/* XXX use img->ImageStride here */
_mesa_printf("\n");
}
#endif
}
#endif
/* /*
* Compute floor(log_base_2(n)). * Compute floor(log_base_2(n)).
* If n < 0 return -1. * If n < 0 return -1.