DRI2: Drop sarea, implement swap buffers in the X server.

1 files changed, 149 insertions, 11 deletions

diff --git a/src/mesa/drivers/dri/intel/intel_context.c b/src/mesa/drivers/dri/intel/intel_context.c
index 50c1964d87..f0ee96f18d 100644
--- a/src/mesa/drivers/dri/intel/intel_context.c
+++ b/src/mesa/drivers/dri/intel/intel_context.c
@@ -195,6 +195,142 @@ intelGetString(GLcontext * ctx, GLenum name)
    }
 }
 
+void
+intel_update_renderbuffers(__DRIcontext *context, __DRIdrawable *drawable)
+{
+   struct intel_framebuffer *intel_fb = drawable->driverPrivate;
+   struct intel_renderbuffer *rb;
+   struct intel_region *region, *depth_region;
+   struct intel_context *intel = context->driverPrivate;
+   __DRIbuffer *buffers;
+   __DRIscreen *screen;
+   int i, count;
+   unsigned int attachments[10];
+   uint32_t name;
+   const char *region_name;
+
+   if (INTEL_DEBUG & DEBUG_DRI)
+      fprintf(stderr, "enter %s, drawable %p\n", __func__, drawable);
+
+   screen = intel->intelScreen->driScrnPriv;
+
+   i = 0;
+   if (intel_fb->color_rb[0])
+      attachments[i++] = __DRI_BUFFER_FRONT_LEFT;
+   if (intel_fb->color_rb[1])
+      attachments[i++] = __DRI_BUFFER_BACK_LEFT;
+   if (intel_get_renderbuffer(&intel_fb->Base, BUFFER_DEPTH))
+      attachments[i++] = __DRI_BUFFER_DEPTH;
+   if (intel_get_renderbuffer(&intel_fb->Base, BUFFER_STENCIL))
+      attachments[i++] = __DRI_BUFFER_STENCIL;
+
+   buffers = (*screen->dri2.loader->getBuffers)(drawable,
+						&drawable->w,
+						&drawable->h,
+						attachments, i,
+						&count,
+						drawable->loaderPrivate);
+
+   drawable->x = 0;
+   drawable->y = 0;
+   drawable->backX = 0;
+   drawable->backY = 0;
+   drawable->numClipRects = 1;
+   drawable->pClipRects[0].x1 = 0;
+   drawable->pClipRects[0].y1 = 0;
+   drawable->pClipRects[0].x2 = drawable->w;
+   drawable->pClipRects[0].y2 = drawable->h;
+   drawable->numBackClipRects = 1;
+   drawable->pBackClipRects[0].x1 = 0;
+   drawable->pBackClipRects[0].y1 = 0;
+   drawable->pBackClipRects[0].x2 = drawable->w;
+   drawable->pBackClipRects[0].y2 = drawable->h;
+
+   depth_region = NULL;
+   for (i = 0; i < count; i++) {
+       switch (buffers[i].attachment) {
+       case __DRI_BUFFER_FRONT_LEFT:
+	   rb = intel_fb->color_rb[0];
+	   region_name = "dri2 front buffer";
+	   break;
+
+       case __DRI_BUFFER_BACK_LEFT:
+	   rb = intel_fb->color_rb[1];
+	   region_name = "dri2 back buffer";
+	   break;
+
+       case __DRI_BUFFER_DEPTH:
+	   rb = intel_get_renderbuffer(&intel_fb->Base, BUFFER_DEPTH);
+	   region_name = "dri2 depth buffer";
+	   break;
+
+       case __DRI_BUFFER_STENCIL:
+	   rb = intel_get_renderbuffer(&intel_fb->Base, BUFFER_STENCIL);
+	   region_name = "dri2 stencil buffer";
+	   break;
+
+       case __DRI_BUFFER_ACCUM:
+       default:
+	   fprintf(stderr,
+		   "unhandled buffer attach event, attacment type %d\n",
+		   buffers[i].attachment);
+	   return;
+       }
+
+       if (rb->region) {
+	  intel_bo_flink(rb->region->buffer, &name);
+	  if (name == buffers[i].name)
+	     continue;
+       }
+
+       if (INTEL_DEBUG & DEBUG_DRI)
+	  fprintf(stderr,
+		  "attaching buffer %d, at %d, cpp %d, pitch %d\n",
+		  buffers[i].name, buffers[i].attachment,
+		  buffers[i].cpp, buffers[i].pitch);
+       
+       if (buffers[i].attachment == __DRI_BUFFER_STENCIL && depth_region) {
+	  if (INTEL_DEBUG & DEBUG_DRI)
+	     fprintf(stderr, "(reusing depth buffer as stencil)\n");
+          region = depth_region;
+       }
+       else
+          region = intel_region_alloc_for_handle(intel, buffers[i].cpp,
+						 buffers[i].pitch / buffers[i].cpp,
+						 drawable->h,
+						 buffers[i].name,
+						 region_name);
+
+       if (buffers[i].attachment == __DRI_BUFFER_DEPTH)
+	  depth_region = region;
+
+       intel_renderbuffer_set_region(rb, region);
+       intel_region_release(&region);
+   }
+
+   driUpdateFramebufferSize(&intel->ctx, drawable);
+}
+
+static void
+intel_viewport(GLcontext *ctx, GLint x, GLint y, GLsizei w, GLsizei h)
+{
+    struct intel_context *intel = intel_context(ctx);
+    __DRIcontext *driContext = intel->driContext;
+
+    if (!driContext->driScreenPriv->dri2.enabled)
+	return;
+
+    intel_update_renderbuffers(driContext, driContext->driDrawablePriv);
+    if (driContext->driDrawablePriv != driContext->driReadablePriv)
+	intel_update_renderbuffers(driContext, driContext->driReadablePriv);
+
+    ctx->Driver.Viewport = NULL;
+    intel->driDrawable = driContext->driDrawablePriv;
+    intelWindowMoved(intel);
+    intel_draw_buffer(ctx, intel->ctx.DrawBuffer);
+    ctx->Driver.Viewport = intel_viewport;
+}
+
 /**
  * Extension strings exported by the intel driver.
  *
@@ -541,6 +677,7 @@ intelInitDriverFunctions(struct dd_function_table *functions)
    functions->Finish = intelFinish;
    functions->GetString = intelGetString;
    functions->UpdateState = intelInvalidateState;
+   functions->Viewport = intel_viewport;
 
    functions->CopyColorTable = _swrast_CopyColorTable;
    functions->CopyColorSubTable = _swrast_CopyColorSubTable;
@@ -582,6 +719,7 @@ intelInitContext(struct intel_context *intel,
    intel->intelScreen = intelScreen;
    intel->driScreen = sPriv;
    intel->sarea = saPriv;
+   intel->driContext = driContextPriv;
 
    /* Dri stuff */
    intel->hHWContext = driContextPriv->hHWContext;
@@ -784,6 +922,9 @@ intelMakeCurrent(__DRIcontextPrivate * driContextPriv,
 	 (struct intel_framebuffer *) driDrawPriv->driverPrivate;
       GLframebuffer *readFb = (GLframebuffer *) driReadPriv->driverPrivate;
 
+    intel_update_renderbuffers(driContextPriv, driDrawPriv);
+    if (driDrawPriv != driReadPriv)
+	intel_update_renderbuffers(driContextPriv, driReadPriv);
 
       /* XXX FBO temporary fix-ups! */
       /* if the renderbuffers don't have regions, init them from the context */
@@ -989,18 +1130,12 @@ void LOCK_HARDWARE( struct intel_context *intel )
 	intel_fb->vbl_waited = vbl.reply.sequence;
     }
 
-    DRM_CAS(intel->driHwLock, intel->hHWContext,
-        (DRM_LOCK_HELD|intel->hHWContext), __ret);
+    if (!sPriv->dri2.enabled) {
+	DRM_CAS(intel->driHwLock, intel->hHWContext,
+		(DRM_LOCK_HELD|intel->hHWContext), __ret);
 
-    if (sPriv->dri2.enabled) {
 	if (__ret)
-	    drmGetLock(intel->driFd, intel->hHWContext, 0);
-	if (__driParseEvents(dPriv->driContextPriv, dPriv)) {
-	    intelWindowMoved(intel);
-	    intel_draw_buffer(&intel->ctx, intel->ctx.DrawBuffer);
-	}
-    } else if (__ret) {
-        intelContendedLock( intel, 0 );
+	    intelContendedLock( intel, 0 );
     }
 
 
@@ -1013,10 +1148,13 @@ void LOCK_HARDWARE( struct intel_context *intel )
  */
 void UNLOCK_HARDWARE( struct intel_context *intel )
 {
+    __DRIscreen *sPriv = intel->driScreen;
+
    intel->vtbl.note_unlock( intel );
    intel->locked = 0;
 
-   DRM_UNLOCK(intel->driFd, intel->driHwLock, intel->hHWContext);
+   if (!sPriv->dri2.enabled)
+      DRM_UNLOCK(intel->driFd, intel->driHwLock, intel->hHWContext);
 
    _glthread_UNLOCK_MUTEX(lockMutex);