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broadcom/vc5: Handle sparsely populated SO target array. 

Fixes
GTF-GLES3.gtf.GL3Tests.transform_feedback.transform_feedback_state_variables
This commit is contained in:
Eric Anholt 2018-03-20 11:09:02 -07:00
parent f735ac6b1c
commit 024e814dee
1 changed files with 14 additions and 7 deletions
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21
src/gallium/drivers/vc5/vc5_emit.c
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@ -597,10 +597,13 @@ v3dX(emit_state)(struct pipe_context *pctx)
for (int i = 0; i < so->num_targets; i++) {
const struct pipe_stream_output_target *target =
so->targets[i];
struct vc5_resource *rsc =
vc5_resource(target->buffer);
struct vc5_resource *rsc = target ?
vc5_resource(target->buffer) : NULL;
#if V3D_VERSION >= 40
if (!target)
continue;
cl_emit(&job->bcl, TRANSFORM_FEEDBACK_BUFFER, output) {
output.buffer_address =
cl_address(rsc->bo,
@ -611,13 +614,17 @@ v3dX(emit_state)(struct pipe_context *pctx)
}
#else /* V3D_VERSION < 40 */
cl_emit(&job->bcl, TRANSFORM_FEEDBACK_OUTPUT_ADDRESS, output) {
output.address =
cl_address(rsc->bo,
target->buffer_offset);
if (target) {
output.address =
cl_address(rsc->bo,
target->buffer_offset);
}
};
#endif /* V3D_VERSION < 40 */
vc5_job_add_write_resource(vc5->job,
target->buffer);
if (target) {
vc5_job_add_write_resource(vc5->job,
target->buffer);
}
/* XXX: buffer_size? */
}
} else {