mesa: Add "shader/" path to #include statements in shader parser/lexer sources

[mesa.git] / src / mesa / state_tracker / st_framebuffer.c

diff --git a/src/mesa/state_tracker/st_framebuffer.c b/src/mesa/state_tracker/st_framebuffer.c
index 13589151ba6946e353e38ceadd1e3a79b33b4631..a5d1ae3b034388dd713b35ee0ae7d82e20d84366 100644 (file)
--- a/src/mesa/state_tracker/st_framebuffer.c
+++ b/src/mesa/state_tracker/st_framebuffer.c
@@ -52,6 +52,7 @@ st_create_framebuffer( const __GLcontextModes *visual,
    struct st_framebuffer *stfb = ST_CALLOC_STRUCT(st_framebuffer);
    if (stfb) {
       int samples = st_get_msaa();
+      int i;
 
       if (visual->sampleBuffers)
          samples = visual->samples;
@@ -66,7 +67,7 @@ st_create_framebuffer( const __GLcontextModes *visual,
       else {
          /* Only allocate front buffer right now if we're single buffered.
           * If double-buffered, allocate front buffer on demand later.
-          * See check_create_front_buffers().
+          * See check_create_front_buffers() and st_set_framebuffer_surface().
           */
          struct gl_renderbuffer *rb
             = st_new_renderbuffer_fb(colorFormat, samples, FALSE);
@@ -119,6 +120,12 @@ st_create_framebuffer( const __GLcontextModes *visual,
          _mesa_add_renderbuffer(&stfb->Base, BUFFER_ACCUM, accumRb);
       }
 
+      for (i = 0; i < visual->numAuxBuffers; i++) {
+         struct gl_renderbuffer *aux
+            = st_new_renderbuffer_fb(colorFormat, 0, FALSE);
+         _mesa_add_renderbuffer(&stfb->Base, BUFFER_AUX0 + i, aux);
+      }
+
       stfb->Base.Initialized = GL_TRUE;
       stfb->InitWidth = width;
       stfb->InitHeight = height;
@@ -170,8 +177,20 @@ st_set_framebuffer_surface(struct st_framebuffer *stfb,
 
    strb = st_renderbuffer(stfb->Base.Attachment[surfIndex].Renderbuffer);
 
-   /* fail */
-   if (!strb) return;
+   if (!strb) {
+      if (surfIndex == ST_SURFACE_FRONT_LEFT) {
+         /* Delayed creation when the window system supplies a fake front buffer */
+         struct st_renderbuffer *strb_back
+            = st_renderbuffer(stfb->Base.Attachment[ST_SURFACE_BACK_LEFT].Renderbuffer);
+         struct gl_renderbuffer *rb
+            = st_new_renderbuffer_fb(surf->format, strb_back->Base.NumSamples, FALSE);
+         _mesa_add_renderbuffer(&stfb->Base, BUFFER_FRONT_LEFT, rb);
+         strb = st_renderbuffer(rb);
+      } else {
+         /* fail */
+         return;
+      }
+   }
 
    /* replace the renderbuffer's surface/texture pointers */
    pipe_surface_reference( &strb->surface, surf );
@@ -280,7 +299,8 @@ st_notify_swapbuffers(struct st_framebuffer *stfb)
                PIPE_FLUSH_SWAPBUFFERS |
                PIPE_FLUSH_FRAME,
                 NULL );
-      ctx->st->frontbuffer_status = FRONT_STATUS_COPY_OF_BACK;
+      if (st_renderbuffer(stfb->Base.Attachment[BUFFER_BACK_LEFT].Renderbuffer))
+         ctx->st->frontbuffer_status = FRONT_STATUS_COPY_OF_BACK;
    }
 }