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intel: Correctly check for read-only mappings in intel_bufferobj_map_range

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The old code was an obvious cut-and-paste fail from intel_bufferobj_map.

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
Acked-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
This commit is contained in:
Ian Romanick 2011-08-21 17:55:33 -07:00
parent 4ddae2fb66
commit f973be59fa
1 changed files with 3 additions and 1 deletions
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4
src/mesa/drivers/dri/intel/intel_buffer_objects.c
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@ -374,7 +374,6 @@ intel_bufferobj_map_range(struct gl_context * ctx,
{
struct intel_context *intel = intel_context(ctx);
struct intel_buffer_object *intel_obj = intel_buffer_object(obj);
GLboolean read_only = (access == GL_READ_ONLY_ARB);
assert(intel_obj);
@ -386,6 +385,9 @@ intel_bufferobj_map_range(struct gl_context * ctx,
obj->AccessFlags = access;
if (intel_obj->sys_buffer) {
const bool read_only =
(access & (GL_MAP_READ_BIT | GL_MAP_WRITE_BIT)) == GL_MAP_READ_BIT;
if (!read_only && intel_obj->source)
release_buffer(intel_obj);