if (intel_obj->sys_buffer)
memcpy((char *)intel_obj->sys_buffer + offset, data, size);
- else
- dri_bo_subdata(intel_obj->buffer, offset, size, data);
+ else {
+ /* Flush any existing batchbuffer that might reference this data. */
+ 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);
+
+ 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);
+ }
+ }
}
struct intel_buffer_object *intel_obj = intel_buffer_object(obj);
assert(intel_obj);
- dri_bo_get_subdata(intel_obj->buffer, offset, size, data);
+ if (intel_obj->sys_buffer)
+ memcpy(data, (char *)intel_obj->sys_buffer + offset, size);
+ else
+ dri_bo_get_subdata(intel_obj->buffer, offset, size, data);
}
if (intel_obj->sys_buffer) {
obj->Pointer = intel_obj->sys_buffer;
+ obj->Length = obj->Size;
+ obj->Offset = 0;
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) {