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intel: Emit 3DSTATE_VF_STATISTICS dynamically

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Pipeline statistics queries should not count BLORP's rectangles.

    (23) How do operations like Clear, TexSubImage, etc. affect the
         results of the newly introduced queries?

      DISCUSSION: Implementations might require "helper" rendering
      commands be issued to implement certain operations like Clear,
      TexSubImage, etc.

      RESOLVED: They don't. Only application submitted rendering
      commands should have an effect on the results of the queries.

Piglit's arb_pipeline_statistics_query-vert_adj exposes this bug when
the driver is hacked to always perform glBufferData via a GPU staging
copy (for debugging purposes).

Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
This commit is contained in:
Kenneth Graunke
2019-04-12 11:55:38 -07:00
parent 47709ca146
commit 8bf9b7b5b6
6 changed files with 35 additions and 11 deletions
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1
src/gallium/drivers/iris/iris_context.h
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@@ -127,6 +127,7 @@ enum iris_param_domain {
#define IRIS_DIRTY_VF_TOPOLOGY (1ull << 54)
#define IRIS_DIRTY_RENDER_RESOLVES_AND_FLUSHES (1ull << 55)
#define IRIS_DIRTY_COMPUTE_RESOLVES_AND_FLUSHES (1ull << 56)
#define IRIS_DIRTY_VF_STATISTICS (1ull << 57)
#define IRIS_ALL_DIRTY_FOR_COMPUTE (IRIS_DIRTY_CS | \
IRIS_DIRTY_SAMPLER_STATES_CS | \