diff options
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_context.h | 6 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/gen6_sol.c | 6 |
2 files changed, 10 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_context.h b/src/mesa/drivers/dri/i965/brw_context.h index ca956dee5ea..dde52cce67f 100644 --- a/src/mesa/drivers/dri/i965/brw_context.h +++ b/src/mesa/drivers/dri/i965/brw_context.h @@ -557,6 +557,12 @@ struct brw_transform_feedback_object { GLenum primitive_mode; /** + * The maximum number of vertices that we can write without overflowing + * any of the buffers currently being used for transform feedback. + */ + unsigned max_index; + + /** * Count of primitives generated during this transform feedback operation. * @{ */ diff --git a/src/mesa/drivers/dri/i965/gen6_sol.c b/src/mesa/drivers/dri/i965/gen6_sol.c index 8adac92d07d..f1cc2d59fd4 100644 --- a/src/mesa/drivers/dri/i965/gen6_sol.c +++ b/src/mesa/drivers/dri/i965/gen6_sol.c @@ -382,6 +382,8 @@ brw_begin_transform_feedback(struct gl_context *ctx, GLenum mode, const struct gl_transform_feedback_info *linked_xfb_info; struct gl_transform_feedback_object *xfb_obj = ctx->TransformFeedback.CurrentObject; + struct brw_transform_feedback_object *brw_obj = + (struct brw_transform_feedback_object *) xfb_obj; assert(brw->gen == 6); @@ -397,7 +399,7 @@ brw_begin_transform_feedback(struct gl_context *ctx, GLenum mode, /* Compute the maximum number of vertices that we can write without * overflowing any of the buffers currently being used for feedback. */ - unsigned max_index + brw_obj->max_index = _mesa_compute_max_transform_feedback_vertices(ctx, xfb_obj, linked_xfb_info); @@ -406,7 +408,7 @@ brw_begin_transform_feedback(struct gl_context *ctx, GLenum mode, OUT_BATCH(_3DSTATE_GS_SVB_INDEX << 16 | (4 - 2)); OUT_BATCH(0); /* SVBI 0 */ OUT_BATCH(0); /* starting index */ - OUT_BATCH(max_index); + OUT_BATCH(brw_obj->max_index); ADVANCE_BATCH(); /* Initialize the rest of the unused streams to sane values. Otherwise, |