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i965: Avoid blits in BufferCopySubdata on gen6. 

Fixes glean/bufferObject.
This commit is contained in:
Eric Anholt 2010-10-18 14:12:12 -07:00
parent 641028debf
commit 4af2937416
1 changed files with 2 additions and 1 deletions
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3
src/mesa/drivers/dri/intel/intel_buffer_objects.c
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@ -559,7 +559,7 @@ intel_bufferobj_copy_subdata(struct gl_context *ctx,
return;
/* If we're in system memory, just map and memcpy. */
if (intel_src->sys_buffer || intel_dst->sys_buffer) {
if (intel_src->sys_buffer || intel_dst->sys_buffer || intel->gen >= 6) {
/* The same buffer may be used, but note that regions copied may
* not overlap.
*/
@ -582,6 +582,7 @@ intel_bufferobj_copy_subdata(struct gl_context *ctx,
intel_bufferobj_unmap(ctx, GL_COPY_READ_BUFFER, src);
intel_bufferobj_unmap(ctx, GL_COPY_WRITE_BUFFER, dst);
}
return;
}
/* Otherwise, we have real BOs, so blit them. */