diff options
Diffstat (limited to 'shared/intel_buffer_objects.c')
| -rw-r--r-- | shared/intel_buffer_objects.c | 30 |
1 files changed, 23 insertions, 7 deletions
diff --git a/shared/intel_buffer_objects.c b/shared/intel_buffer_objects.c index a022593..3b7015b 100644 --- a/shared/intel_buffer_objects.c +++ b/shared/intel_buffer_objects.c @@ -209,9 +209,23 @@ 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_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); + } } } @@ -254,13 +268,14 @@ intel_bufferobj_map(GLcontext * ctx, 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); @@ -330,7 +345,8 @@ 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) { |