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improved PrintTexture debug function

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This commit is contained in:
Brian Paul
2000-03-30 18:37:51 +00:00
parent aed8a96ef2
commit e5d68a2b7d
1 changed files with 36 additions and 7 deletions
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43
src/mesa/main/teximage.c
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@@ -50,19 +50,48 @@
#ifdef DEBUG
static void PrintTexture(int w, int h, int c, const GLubyte *data)
static void PrintTexture(const struct gl_texture_image *img)
{
int i, j;
for (i = 0; i < h; i++) {
for (j = 0; j < w; j++) {
int i, j, c;
GLubyte *data = img->Data;
if (!data) {
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:
gl_problem(NULL, "error in PrintTexture\n");
return;
}
for (i = 0; i < img->Height; i++) {
for (j = 0; j < img->Width; j++) {
if (c==1)
printf("%02x ", data[0]);
else if (c==2)
printf("%02x %02x ", data[0], data[1]);
printf("%02x%02x ", data[0], data[1]);
else if (c==3)
printf("%02x %02x %02x ", data[0], data[1], data[2]);
printf("%02x%02x%02x ", data[0], data[1], data[2]);
else if (c==4)
printf("%02x %02x %02x %02x ", data[0], data[1], data[2], data[3]);
printf("%02x%02x%02x%02x ", data[0], data[1], data[2], data[3]);
data += c;
}
printf("\n");