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mesa: support more format/type combos in _mesa_dump_image()

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This commit is contained in:
Brian Paul 2012-02-06 17:56:43 -07:00
parent 4ab8403c25
commit aed51e3e6a
1 changed files with 28 additions and 1 deletions
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29
src/mesa/main/debug.c
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@ -554,8 +554,35 @@ _mesa_dump_image(const char *filename, const void *image, GLuint w, GLuint h,
else if (format == GL_LUMINANCE_ALPHA && type == GL_UNSIGNED_BYTE) {
write_ppm(filename, image, w, h, 2, 1, 0, 0, invert);
}
else if (format == GL_RED && type == GL_UNSIGNED_BYTE) {
write_ppm(filename, image, w, h, 1, 0, 0, 0, invert);
}
else if (format == GL_RGBA && type == GL_FLOAT) {
/* convert floats to ubyte */
GLubyte *buf = (GLubyte *) malloc(w * h * 4 * sizeof(GLubyte));
const GLfloat *f = (const GLfloat *) image;
GLuint i;
for (i = 0; i < w * h * 4; i++) {
UNCLAMPED_FLOAT_TO_UBYTE(buf[i], f[i]);
}
write_ppm(filename, buf, w, h, 4, 0, 1, 2, invert);
free(buf);
}
else if (format == GL_RED && type == GL_FLOAT) {
/* convert floats to ubyte */
GLubyte *buf = (GLubyte *) malloc(w * h * sizeof(GLubyte));
const GLfloat *f = (const GLfloat *) image;
GLuint i;
for (i = 0; i < w * h; i++) {
UNCLAMPED_FLOAT_TO_UBYTE(buf[i], f[i]);
}
write_ppm(filename, buf, w, h, 1, 0, 0, 0, invert);
free(buf);
}
else {
_mesa_problem(NULL, "Unsupported format/type in _mesa_dump_image()");
_mesa_problem(NULL,
"Unsupported format 0x%x / type 0x%x in _mesa_dump_image()",
format, type);
}
}