memcpy((char *)intel_obj->sys_buffer + offset, data, size);
else {
/* Flush any existing batchbuffer that might reference this data. */
- intelFlush(ctx);
+ if (drm_intel_bo_busy(intel_obj->buffer) ||
+ drm_intel_bo_references(intel->batch->buf, intel_obj->buffer)) {
+ drm_intel_bo *temp_bo;
+
+ temp_bo = drm_intel_bo_alloc(intel->bufmgr, "subdata temp", size, 64);
+
+ drm_intel_bo_subdata(temp_bo, 0, size, data);
- dri_bo_subdata(intel_obj->buffer, offset, size, data);
+ intel_emit_linear_blit(intel,
+ intel_obj->buffer, offset,
+ temp_bo, 0,
+ size);
+
+ drm_intel_bo_unreference(temp_bo);
+ } else {
+ dri_bo_subdata(intel_obj->buffer, offset, size, data);
+ }
}
}
return obj->Pointer;
}
- /* Flush any existing batchbuffer that might have written to this
- * buffer.
- */
- intelFlush(ctx);
+ /* Flush any existing batchbuffer that might reference this data. */
+ if (drm_intel_bo_references(intel->batch->buf, intel_obj->buffer))
+ intelFlush(ctx);
if (intel_obj->region)
intel_bufferobj_cow(intel, intel_obj);
* the batchbuffer so that GEM knows about the buffer access for later
* syncing.
*/
- if (!(access & GL_MAP_UNSYNCHRONIZED_BIT))
+ if (!(access & GL_MAP_UNSYNCHRONIZED_BIT) &&
+ drm_intel_bo_references(intel->batch->buf, intel_obj->buffer))
intelFlush(ctx);
if (intel_obj->buffer == NULL) {