diff options
Diffstat (limited to 'src/mesa/drivers/dri/intel/intel_buffer_objects.c')
| -rw-r--r-- | src/mesa/drivers/dri/intel/intel_buffer_objects.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_buffer_objects.c b/src/mesa/drivers/dri/intel/intel_buffer_objects.c index 7f6fb66d52..ea9d5a6276 100644 --- a/src/mesa/drivers/dri/intel/intel_buffer_objects.c +++ b/src/mesa/drivers/dri/intel/intel_buffer_objects.c @@ -209,7 +209,8 @@ intel_bufferobj_subdata(GLcontext * ctx, 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_references(intel->batch->buf, intel_obj->buffer)) + intelFlush(ctx); dri_bo_subdata(intel_obj->buffer, offset, size, data); } @@ -229,7 +230,10 @@ intel_bufferobj_get_subdata(GLcontext * ctx, 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); } @@ -254,10 +258,9 @@ intel_bufferobj_map(GLcontext * ctx, 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); @@ -327,7 +330,8 @@ intel_bufferobj_map_range(GLcontext * ctx, * 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) { |