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-rw-r--r--src/mesa/main/fbobject.c34
1 files changed, 33 insertions, 1 deletions
diff --git a/src/mesa/main/fbobject.c b/src/mesa/main/fbobject.c
index 73f891d532..85e15a6e94 100644
--- a/src/mesa/main/fbobject.c
+++ b/src/mesa/main/fbobject.c
@@ -683,6 +683,26 @@ _mesa_BindRenderbufferEXT(GLenum target, GLuint renderbuffer)
}
+/**
+ * If the given renderbuffer is anywhere attached to the framebuffer, detach
+ * the renderbuffer.
+ * This is used when a renderbuffer object is deleted.
+ * The spec calls for unbinding.
+ */
+static void
+detach_renderbuffer(GLcontext *ctx,
+ struct gl_framebuffer *fb,
+ struct gl_renderbuffer *rb)
+{
+ GLuint i;
+ for (i = 0; i < BUFFER_COUNT; i++) {
+ if (fb->Attachment[i].Renderbuffer == rb) {
+ _mesa_remove_attachment(ctx, &fb->Attachment[i]);
+ }
+ }
+}
+
+
void GLAPIENTRY
_mesa_DeleteRenderbuffersEXT(GLsizei n, const GLuint *renderbuffers)
{
@@ -704,6 +724,13 @@ _mesa_DeleteRenderbuffersEXT(GLsizei n, const GLuint *renderbuffers)
_mesa_BindRenderbufferEXT(GL_RENDERBUFFER_EXT, 0);
}
+ if (ctx->DrawBuffer->Name) {
+ detach_renderbuffer(ctx, ctx->DrawBuffer, rb);
+ }
+ if (ctx->ReadBuffer->Name && ctx->ReadBuffer != ctx->DrawBuffer) {
+ detach_renderbuffer(ctx, ctx->ReadBuffer, rb);
+ }
+
/* Remove from hash table immediately, to free the ID.
* But the object will not be freed until it's no longer
* referenced anywhere else.
@@ -1201,7 +1228,12 @@ _mesa_DeleteFramebuffersEXT(GLsizei n, const GLuint *framebuffers)
if (fb == ctx->DrawBuffer) {
/* bind default */
ASSERT(fb->RefCount >= 2);
- _mesa_BindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+ _mesa_BindFramebufferEXT(GL_DRAW_FRAMEBUFFER_EXT, 0);
+ }
+ if (fb == ctx->ReadBuffer) {
+ /* bind default */
+ ASSERT(fb->RefCount >= 2);
+ _mesa_BindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT, 0);
}
/* remove from hash table immediately, to free the ID */