intel: Remove unused stored values reported by clang.

src/mesa/drivers/dri/intel/intel_blit.c

@@ -52,7 +52,6 @@ intelCopyBuffer(const __DRIdrawablePrivate * dPriv,
 {
 
    struct intel_context *intel;
-   const intelScreenPrivate *intelScreen;
 
    DBG("%s\n", __FUNCTION__);
 
@@ -62,8 +61,6 @@ intelCopyBuffer(const __DRIdrawablePrivate * dPriv,
    if (!intel)
       return;
 
-   intelScreen = intel->intelScreen;
-
    /* The LOCK_HARDWARE is required for the cliprects.  Buffer offsets
     * should work regardless.
     */

src/mesa/drivers/dri/intel/intel_fbo.c

@@ -398,8 +398,6 @@ static GLboolean
 intel_update_wrapper(GLcontext *ctx, struct intel_renderbuffer *irb, 
 		     struct gl_texture_image *texImage)
 {
-   gl_format texFormat;
-
    if (texImage->TexFormat == MESA_FORMAT_ARGB8888) {
       irb->Base.DataType = GL_UNSIGNED_BYTE;
       DBG("Render to RGBA8 texture OK\n");
@@ -435,8 +433,6 @@ intel_update_wrapper(GLcontext *ctx, struct intel_renderbuffer *irb,
 
    irb->Base.Format = texImage->TexFormat;
 
-   texFormat = texImage->TexFormat;
-
    irb->Base.InternalFormat = texImage->InternalFormat;
    irb->Base._BaseFormat = _mesa_base_fbo_format(ctx, irb->Base.InternalFormat);
    irb->Base.Width = texImage->Width;

src/mesa/drivers/dri/intel/intel_pixel_draw.c

@@ -69,7 +69,6 @@ intel_stencil_drawpixels(GLcontext * ctx,
    GLfloat vertices[4][2];
    struct intel_renderbuffer *irb;
    struct intel_renderbuffer *depth_irb;
-   struct gl_renderbuffer *rb;
    struct gl_pixelstore_attrib old_unpack;
    GLstencil *stencil_pixels;
    int row, y1, y2;
@@ -170,7 +169,6 @@ intel_stencil_drawpixels(GLcontext * ctx,
     */
    depth_irb = intel_get_renderbuffer(ctx->DrawBuffer, BUFFER_DEPTH);
    irb = intel_create_renderbuffer(MESA_FORMAT_ARGB8888);
-   rb = &irb->Base;
    irb->Base.Width = depth_irb->Base.Width;
    irb->Base.Height = depth_irb->Base.Height;
    intel_renderbuffer_set_region(irb, depth_irb->region);

src/mesa/drivers/dri/intel/intel_screen.c

@@ -606,7 +606,6 @@ static GLboolean
 intel_init_bufmgr(intelScreenPrivate *intelScreen)
 {
    int gem_kernel = 0;
-   GLboolean gem_supported;
    struct drm_i915_getparam gp;
    __DRIscreenPrivate *spriv = intelScreen->driScrnPriv;
    int num_fences = 0;
@@ -621,13 +620,8 @@ intel_init_bufmgr(intelScreenPrivate *intelScreen)
    /* If we've got a new enough DDX that's initializing GEM and giving us
     * object handles for the shared buffers, use that.
     */
-   if (intelScreen->driScrnPriv->dri2.enabled)
-       gem_supported = GL_TRUE;
-   else if (intelScreen->driScrnPriv->ddx_version.minor >= 9 &&
-	    gem_kernel &&
-	    intelScreen->front.bo_handle != -1)
-       gem_supported = GL_TRUE;
-   else {
+   if (!intelScreen->driScrnPriv->dri2.enabled &&
+       intelScreen->driScrnPriv->ddx_version.minor < 9) {
       fprintf(stderr, "[%s:%u] Error initializing GEM.\n",
 	      __func__, __LINE__);
       return GL_FALSE;

src/mesa/drivers/dri/intel/intel_swapbuffers.c

@@ -56,7 +56,7 @@ intelFixupVblank(struct intel_context *intel, __DRIdrawablePrivate *dPriv)
 				     .y2 = sarea->planeB_y + sarea->planeB_h };
       GLint areaA = driIntersectArea( drw_rect, planeA_rect );
       GLint areaB = driIntersectArea( drw_rect, planeB_rect );
-      GLuint flags = dPriv->vblFlags;
+      GLuint flags;
 
       /* Update vblank info
        */