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added code to detect GL_FRAMEBUFFER_INCOMPLETE_DUPLICATE_ATTACHMENT_EXT error

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This commit is contained in:
Brian Paul 2005-06-01 00:50:23 +00:00
parent 1b93953fbc
commit c7264415b6
1 changed files with 18 additions and 3 deletions
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21
src/mesa/main/fbobject.c
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@ -339,9 +339,6 @@ test_attachment_completeness(const GLcontext *ctx, GLenum format,
* Status field with the results.
* Also update the framebuffer's Width and Height fields if the
* framebuffer is complete.
*
* XXX Need to check for FRAMEBUFFER_INCOMPLETE_DUPLICATE_ATTACHMENT_EXT!
*
*/
void
_mesa_test_framebuffer_completeness(GLcontext *ctx, struct gl_framebuffer *fb)
@ -351,6 +348,8 @@ _mesa_test_framebuffer_completeness(GLcontext *ctx, struct gl_framebuffer *fb)
GLuint w = 0, h = 0;
GLint i;
assert(fb->Name != 0);
numImages = 0;
fb->Width = 0;
fb->Height = 0;
@ -446,6 +445,22 @@ _mesa_test_framebuffer_completeness(GLcontext *ctx, struct gl_framebuffer *fb)
}
}
/* Check if any renderbuffer is attached more than once */
for (i = 0; i < BUFFER_COUNT - 1; i++) {
struct gl_renderbuffer *rb_i = fb->Attachment[i].Renderbuffer;
if (rb_i) {
GLint j;
for (j = i + 1; j < BUFFER_COUNT; j++) {
struct gl_renderbuffer *rb_j = fb->Attachment[j].Renderbuffer;
if (rb_i == rb_j) {
fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_DUPLICATE_ATTACHMENT_EXT;
return;
}
}
}
}
if (numImages == 0) {
fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT;
return;