Merge branch 'mesa_7_5_branch'

src/gallium/auxiliary/util/u_debug.c

@@ -143,11 +143,9 @@ void _debug_vprintf(const char *format, va_list ap)
 #elif defined(PIPE_SUBSYSTEM_WINDOWS_MINIPORT)
    /* TODO */
 #else /* !PIPE_SUBSYSTEM_WINDOWS */
-#ifdef DEBUG
    fflush(stdout);
    vfprintf(stderr, format, ap);
 #endif
-#endif
 }
 
 

src/glx/x11/dri2_glx.c

@@ -488,6 +488,8 @@ static __GLXDRIscreen *dri2CreateScreen(__GLXscreenConfigs *psc, int screen,
     psc->configs = driConvertConfigs(psc->core, psc->configs, driver_configs);
     psc->visuals = driConvertConfigs(psc->core, psc->visuals, driver_configs);
 
+    psc->driver_configs = driver_configs;
+
     psp->destroyScreen = dri2DestroyScreen;
     psp->createContext = dri2CreateContext;
     psp->createDrawable = dri2CreateDrawable;

src/glx/x11/dri_glx.c

@@ -418,6 +418,8 @@ CallCreateNewScreen(Display *dpy, int scrn, __GLXscreenConfigs *psc,
     psc->configs = driConvertConfigs(psc->core, psc->configs, driver_configs);
     psc->visuals = driConvertConfigs(psc->core, psc->visuals, driver_configs);
 
+    psc->driver_configs = driver_configs;
+
     /* Visuals with depth != screen depth are subject to automatic compositing
      * in the X server, so DRI1 can't render to them properly. Mark them as
      * non-conformant to prevent apps from picking them up accidentally.

src/glx/x11/drisw_glx.c

@@ -401,7 +401,7 @@ driCreateScreen(__GLXscreenConfigs * psc, int screen,
    psc->configs = driConvertConfigs(psc->core, psc->configs, driver_configs);
    psc->visuals = driConvertConfigs(psc->core, psc->visuals, driver_configs);
 
-   free(driver_configs);
+   psc->driver_configs = driver_configs;
 
    psp->destroyScreen = driDestroyScreen;
    psp->createContext = driCreateContext;

src/glx/x11/glxclient.h

@@ -499,6 +499,8 @@ struct __GLXscreenConfigsRec {
 
     __GLXDRIscreen *driScreen;
 
+    const __DRIconfig** driver_configs;
+
 #ifdef __DRI_COPY_SUB_BUFFER
     const __DRIcopySubBufferExtension *driCopySubBuffer;
 #endif

src/glx/x11/glxext.c

@@ -149,6 +149,12 @@ FreeScreenConfigs(__GLXdisplayPrivate * priv)
       Xfree((char *) psc->serverGLXexts);
 
 #ifdef GLX_DIRECT_RENDERING
+      if (psc->driver_configs) {
+         for(unsigned int i = 0; psc->driver_configs[i]; i++)
+            free((__DRIconfig*)psc->driver_configs[i]);
+         free(psc->driver_configs);
+         psc->driver_configs = NULL;
+      }
       if (psc->driScreen) {
          psc->driScreen->destroyScreen(psc);
          __glxHashDestroy(psc->drawHash);

src/mesa/state_tracker/st_cb_clear.c

@@ -280,7 +280,11 @@ clear_with_quad(GLcontext *ctx,
 static INLINE GLboolean
 check_clear_color_with_quad(GLcontext *ctx, struct gl_renderbuffer *rb)
 {
-   if (ctx->Scissor.Enabled)
+   if (ctx->Scissor.Enabled &&
+       (ctx->Scissor.X != 0 ||
+        ctx->Scissor.Y != 0 ||
+        ctx->Scissor.Width < rb->Width ||
+        ctx->Scissor.Height < rb->Height))
       return TRUE;
 
    if (!ctx->Color.ColorMask[0] ||
@@ -300,7 +304,11 @@ check_clear_depth_stencil_with_quad(GLcontext *ctx, struct gl_renderbuffer *rb)
    GLboolean maskStencil
       = (ctx->Stencil.WriteMask[0] & stencilMax) != stencilMax;
 
-   if (ctx->Scissor.Enabled)
+   if (ctx->Scissor.Enabled &&
+       (ctx->Scissor.X != 0 ||
+        ctx->Scissor.Y != 0 ||
+        ctx->Scissor.Width < rb->Width ||
+        ctx->Scissor.Height < rb->Height))
       return TRUE;
 
    if (maskStencil)
@@ -319,7 +327,11 @@ check_clear_depth_with_quad(GLcontext *ctx, struct gl_renderbuffer *rb)
    const struct st_renderbuffer *strb = st_renderbuffer(rb);
    const GLboolean isDS = pf_is_depth_and_stencil(strb->surface->format);
 
-   if (ctx->Scissor.Enabled)
+   if (ctx->Scissor.Enabled &&
+       (ctx->Scissor.X != 0 ||
+        ctx->Scissor.Y != 0 ||
+        ctx->Scissor.Width < rb->Width ||
+        ctx->Scissor.Height < rb->Height))
       return TRUE;
 
    if (isDS && 
@@ -345,7 +357,11 @@ check_clear_stencil_with_quad(GLcontext *ctx, struct gl_renderbuffer *rb)
    if (maskStencil) 
       return TRUE;
 
-   if (ctx->Scissor.Enabled)
+   if (ctx->Scissor.Enabled &&
+       (ctx->Scissor.X != 0 ||
+        ctx->Scissor.Y != 0 ||
+        ctx->Scissor.Width < rb->Width ||
+        ctx->Scissor.Height < rb->Height))
       return TRUE;
 
    /* This is correct, but it is necessary to look at the depth clear

src/mesa/state_tracker/st_cb_flush.c

@@ -161,4 +161,16 @@ void st_init_flush_functions(struct dd_function_table *functions)
 {
    functions->Flush = st_glFlush;
    functions->Finish = st_glFinish;
+
+   /* Windows opengl32.dll calls glFinish prior to every swapbuffers.
+    * This is unnecessary and degrades performance.  Luckily we have some
+    * scope to work around this, as the externally-visible behaviour of
+    * Finish() is identical to Flush() in all cases - no differences in
+    * rendering or ReadPixels are visible if we opt not to wait here.
+    *
+    * Only set this up on windows to avoid suprise elsewhere.
+    */
+#ifdef PIPE_OS_WINDOWS
+   functions->Finish = st_glFlush;
+#endif
 }