Mesa (master): etnaviv: add deqp debug option

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Module: Mesa
Branch: master
Commit: db7967ef9f08e1430bbebc752bcbb63e8c921c29
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=db7967ef9f08e1430bbebc752bcbb63e8c921c29

Author: Christian Gmeiner <christian.gmeiner at gmail.com>
Date:   Fri Jan 10 20:12:28 2020 +0100

etnaviv: add deqp debug option

This new debug option will fake some driver CAPs to be able to run dEQP
for GLES3.

Signed-off-by: Christian Gmeiner <christian.gmeiner at gmail.com>
Reviewed-by: Jonathan Marek <jonathan at marek.ca>
Tested-by: Marge Bot <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3351>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3351>

---

 src/gallium/drivers/etnaviv/etnaviv_debug.h  | 1 +
 src/gallium/drivers/etnaviv/etnaviv_screen.c | 8 +++++++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/gallium/drivers/etnaviv/etnaviv_debug.h b/src/gallium/drivers/etnaviv/etnaviv_debug.h
index 7676e5adce1..79e6ebaedd8 100644
--- a/src/gallium/drivers/etnaviv/etnaviv_debug.h
+++ b/src/gallium/drivers/etnaviv/etnaviv_debug.h
@@ -54,6 +54,7 @@
 #define ETNA_DBG_SHADERDB        0x800000 /* dump program compile information */
 #define ETNA_DBG_NO_SINGLEBUF    0x1000000 /* disable single buffer feature */
 #define ETNA_DBG_NIR             0x2000000 /* use new NIR compiler */
+#define ETNA_DBG_DEQP            0x4000000 /* Hacks to run dEQP GLES3 tests */
 
 extern int etna_mesa_debug; /* set in etna_screen.c from ETNA_DEBUG */
 
diff --git a/src/gallium/drivers/etnaviv/etnaviv_screen.c b/src/gallium/drivers/etnaviv/etnaviv_screen.c
index 3f687c4314a..f9edf53e2c0 100644
--- a/src/gallium/drivers/etnaviv/etnaviv_screen.c
+++ b/src/gallium/drivers/etnaviv/etnaviv_screen.c
@@ -73,6 +73,7 @@ static const struct debug_named_value debug_options[] = {
    {"shaderdb",       ETNA_DBG_SHADERDB, "Enable shaderdb output"},
    {"no_singlebuffer",ETNA_DBG_NO_SINGLEBUF, "Disable single buffer feature"},
    {"nir",            ETNA_DBG_NIR, "use new NIR compiler"},
+   {"deqp",           ETNA_DBG_DEQP, "Hacks to run dEQP GLES3 tests"}, /* needs MESA_GLES_VERSION_OVERRIDE=3.0 */
    DEBUG_NAMED_VALUE_END
 };
 
@@ -180,6 +181,8 @@ etna_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
       return 0;
 
    /* Stream output. */
+   case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
+      return DBG_ENABLED(ETNA_DBG_DEQP) ? 4 : 0;
    case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS:
    case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
       return 0;
@@ -312,7 +315,7 @@ etna_screen_get_shader_param(struct pipe_screen *pscreen,
    case PIPE_SHADER_CAP_MAX_TEMPS:
       return 64; /* Max native temporaries. */
    case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
-      return 1;
+      return DBG_ENABLED(ETNA_DBG_DEQP) ? 16 : 1;
    case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
       return 1;
    case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
@@ -614,6 +617,9 @@ etna_determine_uniform_limits(struct etna_screen *screen)
       screen->specs.max_vs_uniforms = 168;
       screen->specs.max_ps_uniforms = 64;
    }
+
+   if (DBG_ENABLED(ETNA_DBG_DEQP))
+      screen->specs.max_ps_uniforms = 1024;
 }
 
 static bool