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check if deleting currently bound frame/renderbuffer object

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This commit is contained in:
Brian Paul 2005-10-04 16:01:15 +00:00
parent 7355bbce55
commit 91ade9ad68
1 changed files with 16 additions and 1 deletions
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17
src/mesa/main/fbobject.c
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@ -557,6 +557,13 @@ _mesa_DeleteRenderbuffersEXT(GLsizei n, const GLuint *renderbuffers)
struct gl_renderbuffer *rb;
rb = lookup_renderbuffer(ctx, renderbuffers[i]);
if (rb) {
/* check if deleting currently bound renderbuffer object */
if (rb == ctx->CurrentRenderbuffer) {
/* bind default */
ASSERT(rb->RefCount >= 2);
_mesa_BindRenderbufferEXT(GL_RENDERBUFFER_EXT, 0);
}
/* remove from hash table immediately, to free the ID */
_mesa_HashRemove(ctx->Shared->RenderBuffers, renderbuffers[i]);
@ -864,7 +871,7 @@ _mesa_BindFramebufferEXT(GLenum target, GLuint framebuffer)
}
oldFb = ctx->DrawBuffer;
if (oldFb) { /* AND oldFb->Name != 0 */
if (oldFb && oldFb->Name != 0) {
oldFb->RefCount--;
if (oldFb->RefCount == 0) {
oldFb->Delete(oldFb);
@ -893,6 +900,14 @@ _mesa_DeleteFramebuffersEXT(GLsizei n, const GLuint *framebuffers)
fb = lookup_framebuffer(ctx, framebuffers[i]);
if (fb) {
ASSERT(fb == &DummyFramebuffer || fb->Name == framebuffers[i]);
/* check if deleting currently bound framebuffer object */
if (fb == ctx->DrawBuffer) {
/* bind default */
ASSERT(fb->RefCount >= 2);
_mesa_BindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
}
/* remove from hash table immediately, to free the ID */
_mesa_HashRemove(ctx->Shared->FrameBuffers, framebuffers[i]);