5 files changed, 37 insertions, 8 deletions
diff --git a/src/mesa/drivers/dri/i915tex/i915_state.c b/src/mesa/drivers/dri/i915tex/i915_state.c
index 7c742a7bd9..78ae4bdb5f 100644
--- a/src/mesa/drivers/dri/i915tex/i915_state.c
+++ b/src/mesa/drivers/dri/i915tex/i915_state.c
@@ -645,10 +645,12 @@ i915_update_fog(GLcontext * ctx)
          i915->state.Ctx[I915_CTXREG_LIS5] &= ~S5_FOG_ENABLE;
    }
 
-   if (enabled) {
-      _tnl_allow_vertex_fog(ctx, (i915->vertex_fog == I915_FOG_VERTEX));
-      _tnl_allow_pixel_fog(ctx, (i915->vertex_fog != I915_FOG_VERTEX));
-   }
+    /* always enbale pixel fog
+    * vertex fog use precaculted fog coord will conflict with appended
+    * fog program
+    */
+    _tnl_allow_vertex_fog( ctx, 0 );
+    _tnl_allow_pixel_fog( ctx, 1 );
 }
 
 static void
diff --git a/src/mesa/drivers/dri/i915tex/intel_batchbuffer.c b/src/mesa/drivers/dri/i915tex/intel_batchbuffer.c
index be2750d041..c92b83bcb3 100644
--- a/src/mesa/drivers/dri/i915tex/intel_batchbuffer.c
+++ b/src/mesa/drivers/dri/i915tex/intel_batchbuffer.c
@@ -311,7 +311,7 @@ intel_batchbuffer_emit_reloc(struct intel_batchbuffer *batch,
                              struct _DriBufferObject *buffer,
                              GLuint flags, GLuint mask, GLuint delta)
 {
-   assert(batch->nr_relocs <= MAX_RELOCS);
+   assert(batch->nr_relocs < MAX_RELOCS);
 
    driBOAddListItem(&batch->list, buffer, flags, mask);
 
diff --git a/src/mesa/drivers/dri/i915tex/intel_batchbuffer.h b/src/mesa/drivers/dri/i915tex/intel_batchbuffer.h
index a83dbf423d..59261f7274 100644
--- a/src/mesa/drivers/dri/i915tex/intel_batchbuffer.h
+++ b/src/mesa/drivers/dri/i915tex/intel_batchbuffer.h
@@ -9,7 +9,7 @@ struct intel_context;
 #define BATCH_SZ 16384
 #define BATCH_RESERVED 16
 
-#define MAX_RELOCS 100
+#define MAX_RELOCS 400
 
 #define INTEL_BATCH_NO_CLIPRECTS 0x1
 #define INTEL_BATCH_CLIPRECTS    0x2
diff --git a/src/mesa/drivers/dri/i915tex/intel_context.c b/src/mesa/drivers/dri/i915tex/intel_context.c
index 946f9e8041..aa76875a4a 100644
--- a/src/mesa/drivers/dri/i915tex/intel_context.c
+++ b/src/mesa/drivers/dri/i915tex/intel_context.c
@@ -356,6 +356,10 @@ intelInitContext(struct intel_context *intel,
    intel->driScreen = sPriv;
    intel->sarea = saPriv;
 
+   intel->width = intelScreen->width;
+   intel->height = intelScreen->height;
+   intel->current_rotation = intelScreen->current_rotation;
+
    if (!lockMutexInit) {
       lockMutexInit = GL_TRUE;
       _glthread_INIT_MUTEX(lockMutex);
@@ -634,12 +638,22 @@ intelContendedLock(struct intel_context *intel, GLuint flags)
        sarea->rotation != intelScreen->current_rotation) {
 
       intelUpdateScreenRotation(sPriv, sarea);
+   }
+
+   if (sarea->width != intel->width ||
+       sarea->height != intel->height ||
+       sarea->rotation != intel->current_rotation) {
 
-      /* 
+      /*
+       * FIXME: Really only need to do this when drawing to a
+       * common back- or front buffer.
+       */
+
+      /*
        * This will drop the outstanding batchbuffer on the floor
-       * FIXME: This should be done for all contexts?
        */
 
+      driBOUnmap(intel->batch->buffer);
       intel_batchbuffer_reset(intel->batch);
 
       /* lose all primitives */
@@ -652,6 +666,10 @@ intelContendedLock(struct intel_context *intel, GLuint flags)
 
       /* force window update */
       intel->lastStamp = 0;
+
+      intel->width = sarea->width;
+      intel->height = sarea->height;
+      intel->current_rotation = sarea->rotation;
    }
 
 
diff --git a/src/mesa/drivers/dri/i915tex/intel_context.h b/src/mesa/drivers/dri/i915tex/intel_context.h
index 7654e4ecd5..96b911501f 100644
--- a/src/mesa/drivers/dri/i915tex/intel_context.h
+++ b/src/mesa/drivers/dri/i915tex/intel_context.h
@@ -286,6 +286,15 @@ struct intel_context
    GLuint swap_missed_count;
 
    GLuint swap_scheduled;
+
+  /* Rotation. Need to match that of the
+   * current screen.
+   */
+
+  int width;
+  int height;
+  int current_rotation;
+
 };
 
 /* These are functions now: