Mesa (master): meta: Drop redundant FBO creation code in GenerateMipmaps.

[Kenneth Graunke]

Module: Mesa
Branch: master
Commit: 9afca9198471e77a65f3ab70f2a9b4a67396b1a0
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=9afca9198471e77a65f3ab70f2a9b4a67396b1a0

Author: Kenneth Graunke <kenneth at whitecape.org>
Date:   Wed Mar  5 19:21:00 2014 -0800

meta: Drop redundant FBO creation code in GenerateMipmaps.

fallback_required() already creates the FBO in order to check whether we
can render to the format.  So it's guaranteed to exist.

Signed-off-by: Kenneth Graunke <kenneth at whitecape.org>
Reviewed-by: Matt Turner <mattst88 at gmail.com>
Reviewed-by: Anuj Phogat <anuj.phogat at gmail.com>
Reviewed-by: Ian Romanick <ian.d.romanick at intel.com>

---

 src/mesa/drivers/common/meta_generate_mipmap.c |    5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/src/mesa/drivers/common/meta_generate_mipmap.c b/src/mesa/drivers/common/meta_generate_mipmap.c
index 6db3f8f..6a0ccbd 100644
--- a/src/mesa/drivers/common/meta_generate_mipmap.c
+++ b/src/mesa/drivers/common/meta_generate_mipmap.c
@@ -208,10 +208,6 @@ _mesa_meta_GenerateMipmap(struct gl_context *ctx, GLenum target,
    if (currentTexUnitSave != 0)
       _mesa_BindTexture(target, texObj->Name);
 
-   if (!mipmap->FBO) {
-      _mesa_GenFramebuffers(1, &mipmap->FBO);
-   }
-
    if (!mipmap->Sampler) {
       _mesa_GenSamplers(1, &mipmap->Sampler);
       _mesa_BindSampler(ctx->Texture.CurrentUnit, mipmap->Sampler);
@@ -236,6 +232,7 @@ _mesa_meta_GenerateMipmap(struct gl_context *ctx, GLenum target,
       _mesa_BindSampler(ctx->Texture.CurrentUnit, mipmap->Sampler);
    }
 
+   assert(mipmap->FBO != 0);
    _mesa_BindFramebuffer(GL_FRAMEBUFFER_EXT, mipmap->FBO);
 
    _mesa_TexParameteri(target, GL_GENERATE_MIPMAP, GL_FALSE);