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mesa: rename vars in _mesa_BindFramebufferEXT()

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brian
2009-11-10 15:47:34 -07:00
parent a492ab765a
commit e6f60d3037
1 changed files with 21 additions and 22 deletions
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43
src/mesa/main/fbobject.c
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@@ -1193,7 +1193,7 @@ check_end_texture_render(GLcontext *ctx, struct gl_framebuffer *fb)
void GLAPIENTRY
_mesa_BindFramebufferEXT(GLenum target, GLuint framebuffer)
{
struct gl_framebuffer *newFb, *newFbread;
struct gl_framebuffer *newDrawFb, *newReadFb;
GLboolean bindReadBuf, bindDrawBuf;
GET_CURRENT_CONTEXT(ctx);
@@ -1242,74 +1242,73 @@ _mesa_BindFramebufferEXT(GLenum target, GLuint framebuffer)
if (framebuffer) {
/* Binding a user-created framebuffer object */
newFb = _mesa_lookup_framebuffer(ctx, framebuffer);
if (newFb == &DummyFramebuffer) {
newDrawFb = _mesa_lookup_framebuffer(ctx, framebuffer);
if (newDrawFb == &DummyFramebuffer) {
/* ID was reserved, but no real framebuffer object made yet */
newFb = NULL;
newDrawFb = NULL;
}
else if (!newFb && ctx->Extensions.ARB_framebuffer_object) {
else if (!newDrawFb && ctx->Extensions.ARB_framebuffer_object) {
/* All FBO IDs must be Gen'd */
_mesa_error(ctx, GL_INVALID_OPERATION, "glBindFramebuffer(buffer)");
return;
}
if (!newFb) {
if (!newDrawFb) {
/* create new framebuffer object */
newFb = ctx->Driver.NewFramebuffer(ctx, framebuffer);
if (!newFb) {
newDrawFb = ctx->Driver.NewFramebuffer(ctx, framebuffer);
if (!newDrawFb) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glBindFramebufferEXT");
return;
}
_mesa_HashInsert(ctx->Shared->FrameBuffers, framebuffer, newFb);
_mesa_HashInsert(ctx->Shared->FrameBuffers, framebuffer, newDrawFb);
}
newFbread = newFb;
newReadFb = newDrawFb;
}
else {
/* Binding the window system framebuffer (which was originally set
* with MakeCurrent).
*/
newFb = ctx->WinSysDrawBuffer;
newFbread = ctx->WinSysReadBuffer;
newDrawFb = ctx->WinSysDrawBuffer;
newReadFb = ctx->WinSysReadBuffer;
}
ASSERT(newFb);
ASSERT(newFb != &DummyFramebuffer);
ASSERT(newDrawFb);
ASSERT(newDrawFb != &DummyFramebuffer);
/*
* OK, now bind the new Draw/Read framebuffers, if they're changing.
*/
if (bindReadBuf) {
if (ctx->ReadBuffer == newFbread) {
if (ctx->ReadBuffer == newReadFb) {
bindReadBuf = GL_FALSE; /* no change */
}
else {
FLUSH_VERTICES(ctx, _NEW_BUFFERS);
_mesa_reference_framebuffer(&ctx->ReadBuffer, newFbread);
_mesa_reference_framebuffer(&ctx->ReadBuffer, newReadFb);
}
}
if (bindDrawBuf) {
/* check if old FB had any texture attachments */
if (ctx->DrawBuffer->Name != 0) {
check_end_texture_render(ctx, ctx->DrawBuffer);
}
if (ctx->DrawBuffer == newFb) {
if (ctx->DrawBuffer == newDrawFb) {
bindDrawBuf = GL_FALSE; /* no change */
}
else {
FLUSH_VERTICES(ctx, _NEW_BUFFERS);
_mesa_reference_framebuffer(&ctx->DrawBuffer, newFb);
_mesa_reference_framebuffer(&ctx->DrawBuffer, newDrawFb);
}
if (newFb->Name != 0) {
if (newDrawFb->Name != 0) {
/* check if newly bound framebuffer has any texture attachments */
check_begin_texture_render(ctx, newFb);
check_begin_texture_render(ctx, newDrawFb);
}
}
if ((bindDrawBuf || bindReadBuf) && ctx->Driver.BindFramebuffer) {
ctx->Driver.BindFramebuffer(ctx, target, newFb, newFbread);
ctx->Driver.BindFramebuffer(ctx, target, newDrawFb, newReadFb);
}
}