Import Mesa 17.3.9

2 files changed, 351 insertions, 0 deletions

diff --git a/lib/mesa/src/gallium/drivers/etnaviv/etnaviv_query_hw.c b/lib/mesa/src/gallium/drivers/etnaviv/etnaviv_query_hw.c
new file mode 100644
index 000000000..0f3cd7257
--- /dev/null
+++ b/lib/mesa/src/gallium/drivers/etnaviv/etnaviv_query_hw.c
@@ -0,0 +1,263 @@
+/*
+ * Copyright (c) 2017 Etnaviv Project
+ * Copyright (C) 2017 Zodiac Inflight Innovations
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sub license,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Rob Clark <robclark@freedesktop.org>
+ *    Christian Gmeiner <christian.gmeiner@gmail.com>
+ */
+
+#include "util/u_inlines.h"
+#include "util/u_memory.h"
+
+#include "etnaviv_context.h"
+#include "etnaviv_debug.h"
+#include "etnaviv_emit.h"
+#include "etnaviv_query_hw.h"
+#include "etnaviv_screen.h"
+
+/*
+ * Occlusion Query:
+ *
+ * OCCLUSION_COUNTER and OCCLUSION_PREDICATE differ only in how they
+ * interpret results
+ */
+
+static void
+occlusion_start(struct etna_hw_query *hq, struct etna_context *ctx)
+{
+   struct etna_resource *rsc = etna_resource(hq->prsc);
+   struct etna_reloc r = {
+      .bo = rsc->bo,
+      .flags = ETNA_RELOC_WRITE
+   };
+
+   if (hq->samples > 63) {
+      hq->samples = 63;
+      BUG("samples overflow");
+   }
+
+   r.offset = hq->samples * 8; /* 64bit value */
+
+   etna_set_state_reloc(ctx->stream, VIVS_GL_OCCLUSION_QUERY_ADDR, &r);
+}
+
+static void
+occlusion_stop(struct etna_hw_query *hq, struct etna_context *ctx)
+{
+   /* 0x1DF5E76 is the value used by blob - but any random value will work */
+   etna_set_state(ctx->stream, VIVS_GL_OCCLUSION_QUERY_CONTROL, 0x1DF5E76);
+}
+
+static void
+occlusion_suspend(struct etna_hw_query *hq, struct etna_context *ctx)
+{
+   occlusion_stop(hq, ctx);
+}
+
+static void
+occlusion_resume(struct etna_hw_query *hq, struct etna_context *ctx)
+{
+   hq->samples++;
+   occlusion_start(hq, ctx);
+}
+
+static void
+occlusion_result(struct etna_hw_query *hq, void *buf,
+                         union pipe_query_result *result)
+{
+   uint64_t sum = 0;
+   uint64_t *ptr = (uint64_t *)buf;
+
+   for (unsigned i = 0; i <= hq->samples; i++)
+      sum += *(ptr + i);
+
+   if (hq->base.type == PIPE_QUERY_OCCLUSION_COUNTER)
+      result->u64 = sum;
+   else
+      result->b = !!sum;
+}
+
+static void
+etna_hw_destroy_query(struct etna_context *ctx, struct etna_query *q)
+{
+   struct etna_hw_query *hq = etna_hw_query(q);
+
+   pipe_resource_reference(&hq->prsc, NULL);
+   list_del(&hq->node);
+
+   FREE(hq);
+}
+
+static const struct etna_hw_sample_provider occlusion_provider = {
+   .start = occlusion_start,
+   .stop = occlusion_stop,
+   .suspend = occlusion_suspend,
+   .resume = occlusion_resume,
+   .result = occlusion_result,
+};
+
+static void
+realloc_query_bo(struct etna_context *ctx, struct etna_hw_query *hq)
+{
+   struct etna_resource *rsc;
+   void *map;
+
+   pipe_resource_reference(&hq->prsc, NULL);
+
+   /* allocate resource with space for 64 * 64bit values */
+   hq->prsc = pipe_buffer_create(&ctx->screen->base, PIPE_BIND_QUERY_BUFFER,
+                                 0, 0x1000);
+
+   /* don't assume the buffer is zero-initialized */
+   rsc = etna_resource(hq->prsc);
+
+   etna_bo_cpu_prep(rsc->bo, DRM_ETNA_PREP_WRITE);
+
+   map = etna_bo_map(rsc->bo);
+   memset(map, 0, 0x1000);
+   etna_bo_cpu_fini(rsc->bo);
+}
+
+static boolean
+etna_hw_begin_query(struct etna_context *ctx, struct etna_query *q)
+{
+   struct etna_hw_query *hq = etna_hw_query(q);
+   const struct etna_hw_sample_provider *p = hq->provider;
+
+   /* ->begin_query() discards previous results, so realloc bo */
+   realloc_query_bo(ctx, hq);
+
+   p->start(hq, ctx);
+
+   /* add to active list */
+   assert(list_empty(&hq->node));
+   list_addtail(&hq->node, &ctx->active_hw_queries);
+
+   return true;
+}
+
+static void
+etna_hw_end_query(struct etna_context *ctx, struct etna_query *q)
+{
+   struct etna_hw_query *hq = etna_hw_query(q);
+   const struct etna_hw_sample_provider *p = hq->provider;
+
+   p->stop(hq, ctx);
+
+   /* remove from active list */
+   list_delinit(&hq->node);
+}
+
+static boolean
+etna_hw_get_query_result(struct etna_context *ctx, struct etna_query *q,
+                         boolean wait, union pipe_query_result *result)
+{
+   struct etna_hw_query *hq = etna_hw_query(q);
+   struct etna_resource *rsc = etna_resource(hq->prsc);
+   const struct etna_hw_sample_provider *p = hq->provider;
+
+   assert(LIST_IS_EMPTY(&hq->node));
+
+   if (!wait) {
+      int ret;
+
+      if (rsc->status & ETNA_PENDING_WRITE) {
+         /* piglit spec@arb_occlusion_query@occlusion_query_conform
+          * test, and silly apps perhaps, get stuck in a loop trying
+          * to get query result forever with wait==false..  we don't
+          * wait to flush unnecessarily but we also don't want to
+          * spin forever.
+          */
+         if (hq->no_wait_cnt++ > 5)
+            ctx->base.flush(&ctx->base, NULL, 0);
+         return false;
+      }
+
+      ret = etna_bo_cpu_prep(rsc->bo, DRM_ETNA_PREP_READ | DRM_ETNA_PREP_NOSYNC);
+      if (ret)
+         return false;
+
+      etna_bo_cpu_fini(rsc->bo);
+   }
+
+   /* flush that GPU executes all query related actions */
+   ctx->base.flush(&ctx->base, NULL, 0);
+
+   /* get the result */
+   etna_bo_cpu_prep(rsc->bo, DRM_ETNA_PREP_READ);
+
+   void *ptr = etna_bo_map(rsc->bo);
+   p->result(hq, ptr, result);
+
+   etna_bo_cpu_fini(rsc->bo);
+
+   return true;
+}
+
+static const struct etna_query_funcs hw_query_funcs = {
+   .destroy_query = etna_hw_destroy_query,
+   .begin_query = etna_hw_begin_query,
+   .end_query = etna_hw_end_query,
+   .get_query_result = etna_hw_get_query_result,
+};
+
+static inline const struct etna_hw_sample_provider *
+query_sample_provider(unsigned query_type)
+{
+   switch (query_type) {
+   case PIPE_QUERY_OCCLUSION_COUNTER:
+      /* fallthrough */
+   case PIPE_QUERY_OCCLUSION_PREDICATE:
+      /* fallthrough */
+   case PIPE_QUERY_OCCLUSION_PREDICATE_CONSERVATIVE:
+      return &occlusion_provider;
+   default:
+      return NULL;
+   }
+}
+
+struct etna_query *
+etna_hw_create_query(struct etna_context *ctx, unsigned query_type)
+{
+   struct etna_hw_query *hq;
+   struct etna_query *q;
+   const struct etna_hw_sample_provider *p;
+
+   p = query_sample_provider(query_type);
+   if (!p)
+      return NULL;
+
+   hq = CALLOC_STRUCT(etna_hw_query);
+   if (!hq)
+      return NULL;
+
+   hq->provider = p;
+
+   list_inithead(&hq->node);
+
+   q = &hq->base;
+   q->funcs = &hw_query_funcs;
+   q->type = query_type;
+
+   return q;
+}
diff --git a/lib/mesa/src/gallium/drivers/etnaviv/etnaviv_query_hw.h b/lib/mesa/src/gallium/drivers/etnaviv/etnaviv_query_hw.h
new file mode 100644
index 000000000..73f3c851e
--- /dev/null
+++ b/lib/mesa/src/gallium/drivers/etnaviv/etnaviv_query_hw.h
@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 2017 Etnaviv Project
+ * Copyright (C) 2017 Zodiac Inflight Innovations
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sub license,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Rob Clark <robclark@freedesktop.org>
+ *    Christian Gmeiner <christian.gmeiner@gmail.com>
+ */
+
+#ifndef H_ETNAVIV_QUERY_HW
+#define H_ETNAVIV_QUERY_HW
+
+#include "etnaviv_query.h"
+
+struct etna_hw_query;
+
+struct etna_hw_sample_provider {
+   void (*start)(struct etna_hw_query *hq, struct etna_context *ctx);
+   void (*stop)(struct etna_hw_query *hq, struct etna_context *ctx);
+   void (*suspend)(struct etna_hw_query *hq, struct etna_context *ctx);
+   void (*resume)(struct etna_hw_query *hq, struct etna_context *ctx);
+
+   void (*result)(struct etna_hw_query *hq, void *buf,
+           union pipe_query_result *result);
+};
+
+struct etna_hw_query {
+   struct etna_query base;
+
+   struct pipe_resource *prsc;
+   unsigned samples;        /* number of samples stored in resource */
+   unsigned no_wait_cnt;    /* see etna_hw_get_query_result() */
+   struct list_head node;   /* list-node in ctx->active_hw_queries */
+
+   const struct etna_hw_sample_provider *provider;
+};
+
+static inline struct etna_hw_query *
+etna_hw_query(struct etna_query *q)
+{
+   return (struct etna_hw_query *)q;
+}
+
+struct etna_query *
+etna_hw_create_query(struct etna_context *ctx, unsigned query_type);
+
+static inline void
+etna_hw_query_suspend(struct etna_hw_query *hq, struct etna_context *ctx)
+{
+   const struct etna_hw_sample_provider *p = hq->provider;
+
+   if (!hq->base.active)
+      return;
+
+   p->suspend(hq, ctx);
+}
+
+static inline void
+etna_hw_query_resume(struct etna_hw_query *hq, struct etna_context *ctx)
+{
+   const struct etna_hw_sample_provider *p = hq->provider;
+
+   if (!hq->base.active)
+      return;
+
+   p->resume(hq, ctx);
+}
+
+#endif