It doesn't matter with our current implementation of MapBufferRange,
but it was wrong -- the result pointer is read by intel_upload_data().
---
src/mesa/drivers/dri/i965/brw_draw_upload.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/mesa/drivers/dri/i965/brw_draw_upload.c
b/src/mesa/drivers/dri/i965/brw_draw_upload.c
index e7f45ad..29ec9bb 100644
--- a/src/mesa/drivers/dri/i965/brw_draw_upload.c
+++ b/src/mesa/drivers/dri/i965/brw_draw_upload.c
@@ -811,7 +811,7 @@ static void brw_upload_indices(struct brw_context *brw)
GLubyte *map = ctx->Driver.MapBufferRange(ctx,
offset,
ib_size,
- GL_MAP_WRITE_BIT,
+ GL_MAP_READ_BIT,
bufferobj);
intel_upload_data(&brw->intel, map, ib_size, ib_type_size,
--
1.7.10.4
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