i915: Add verbose debuging

Only enabled while in development this commit
	will be reverted in the future.

src/gallium/drivers/i915simple/i915_batch.h

@@ -108,7 +108,8 @@ i915_batchbuffer_flush( struct i915_batchbuffer *batch,
 #define OUT_RELOC( buf, flags, delta ) \
    i915_batchbuffer_reloc( i915->batch, buf, flags, delta )
 
-#define FLUSH_BATCH(fence) do { 			\
+#define FLUSH_BATCH(fence) do {				\
+   i915_dump_batchbuffer(i915);				\
    i915->winsys->batch_flush( i915->winsys, fence );	\
    i915->hardware_dirty = ~0;				\
 } while (0)

src/gallium/winsys/drm/intel/gem/intel_be_batchbuffer.c

@@ -105,10 +105,17 @@ intel_be_batchbuffer_flush(struct intel_be_batchbuffer *batch,
 		batch->base.ptr += 8;
 	}
 
+	debug_printf("%s\n", __FUNCTION__);
+
 	used = batch->base.ptr - batch->base.map;
 
+	debug_printf("   - subdata\n");
 	drm_intel_bo_subdata(batch->bo, 0, used, batch->base.map);
+	debug_printf("   - exec\n");
 	ret = drm_intel_bo_exec(batch->bo, used, NULL, 0, 0);
+	debug_printf("   - waiting\n");
+	drm_intel_bo_wait_rendering(batch->bo);
+	debug_printf("   - done\n");
 
 	assert(ret == 0);
 

src/gallium/winsys/drm/intel/gem/intel_be_context.c

@@ -29,15 +29,18 @@ intel_be_batch_reloc(struct i915_winsys *sws,
 	}
 
 	if (access_flags & I915_BUFFER_ACCESS_READ) {
-		read = I915_GEM_DOMAIN_SAMPLER |
-		       I915_GEM_DOMAIN_VERTEX;
+		read = I915_GEM_DOMAIN_VERTEX;
 	}
 
+    debug_printf("%s\n", __FUNCTION__);
+	debug_printf("   - flags: %u, read: %u, write: %u, delta: %p\n", access_flags, read, write, delta);
 	ret = intel_be_offset_relocation(intel->batch,
 	                                 delta,
 	                                 bo,
 	                                 read,
 	                                 write);
+    debug_printf("   - ret = %i\n", ret);
+    assert(ret == 0);
 	/* TODO change return type */
 	/* return ret; */
 }