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-rw-r--r--lib/mesa/src/gallium/drivers/etnaviv/etnaviv_query_hw.c263
-rw-r--r--lib/mesa/src/gallium/drivers/etnaviv/etnaviv_query_hw.h88
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
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