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

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Brian Paul
Brian Paul committed Feb 7, 2012
1 parent 4ab8403 commit aed51e3e6a90dd667bd9915817d16ba14a79720c
Showing with 28 additions and 1 deletion.
  1. +28 −1 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);
}
}

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