--- /dev/null
+/* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
+
+/*
+ * Copyright (C) 2014 Rob Clark <robclark@freedesktop.org>
+ *
+ * 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, sublicense,
+ * 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 NONINFRINGEMENT. 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>
+ */
+
+#include "freedreno_query_hw.h"
+#include "freedreno_context.h"
+#include "freedreno_util.h"
+
+#include "fd3_query.h"
+#include "fd3_util.h"
+
+
+struct fd_rb_samp_ctrs {
+ uint64_t ctr[16];
+};
+
+/*
+ * Occlusion Query:
+ *
+ * OCCLUSION_COUNTER and OCCLUSION_PREDICATE differ only in how they
+ * interpret results
+ */
+
+static struct fd_hw_sample *
+occlusion_get_sample(struct fd_context *ctx, struct fd_ringbuffer *ring)
+{
+ struct fd_hw_sample *samp =
+ fd_hw_sample_init(ctx, sizeof(struct fd_rb_samp_ctrs));
+
+ /* Set RB_SAMPLE_COUNT_ADDR to samp->offset plus value of
+ * HW_QUERY_BASE_REG register:
+ */
+ OUT_PKT3(ring, CP_SET_CONSTANT, 3);
+ OUT_RING(ring, CP_REG(REG_A3XX_RB_SAMPLE_COUNT_ADDR) | 0x80000000);
+ OUT_RING(ring, HW_QUERY_BASE_REG);
+ OUT_RING(ring, samp->offset);
+
+ OUT_PKT0(ring, REG_A3XX_RB_SAMPLE_COUNT_CONTROL, 1);
+ OUT_RING(ring, A3XX_RB_SAMPLE_COUNT_CONTROL_COPY);
+
+ OUT_PKT3(ring, CP_DRAW_INDX, 3);
+ OUT_RING(ring, 0x00000000);
+ OUT_RING(ring, DRAW(DI_PT_POINTLIST_A2XX, DI_SRC_SEL_AUTO_INDEX,
+ INDEX_SIZE_IGN, USE_VISIBILITY));
+ OUT_RING(ring, 0); /* NumIndices */
+
+ OUT_PKT3(ring, CP_EVENT_WRITE, 1);
+ OUT_RING(ring, ZPASS_DONE);
+
+ OUT_PKT0(ring, REG_A3XX_RBBM_PERFCTR_CTL, 1);
+ OUT_RING(ring, A3XX_RBBM_PERFCTR_CTL_ENABLE);
+
+ OUT_PKT0(ring, REG_A3XX_VBIF_PERF_CNT_EN, 1);
+ OUT_RING(ring, A3XX_VBIF_PERF_CNT_EN_CNT0 |
+ A3XX_VBIF_PERF_CNT_EN_CNT1 |
+ A3XX_VBIF_PERF_CNT_EN_PWRCNT0 |
+ A3XX_VBIF_PERF_CNT_EN_PWRCNT1 |
+ A3XX_VBIF_PERF_CNT_EN_PWRCNT2);
+
+ return samp;
+}
+
+static uint64_t
+count_samples(const struct fd_rb_samp_ctrs *start,
+ const struct fd_rb_samp_ctrs *end)
+{
+ uint64_t n = 0;
+ unsigned i;
+
+ /* not quite sure what all of these are, possibly different
+ * counters for each MRT render target:
+ */
+ for (i = 0; i < 16; i += 4)
+ n += end->ctr[i] - start->ctr[i];
+
+ return n;
+}
+
+static void
+occlusion_counter_accumulate_result(struct fd_context *ctx,
+ const void *start, const void *end,
+ union pipe_query_result *result)
+{
+ uint64_t n = count_samples(start, end);
+ result->u64 += n;
+}
+
+static void
+occlusion_predicate_accumulate_result(struct fd_context *ctx,
+ const void *start, const void *end,
+ union pipe_query_result *result)
+{
+ uint64_t n = count_samples(start, end);
+ result->b |= (n > 0);
+}
+
+static const struct fd_hw_sample_provider occlusion_counter = {
+ .query_type = PIPE_QUERY_OCCLUSION_COUNTER,
+ .active = FD_STAGE_DRAW, /* | FD_STAGE_CLEAR ??? */
+ .get_sample = occlusion_get_sample,
+ .accumulate_result = occlusion_counter_accumulate_result,
+};
+
+static const struct fd_hw_sample_provider occlusion_predicate = {
+ .query_type = PIPE_QUERY_OCCLUSION_PREDICATE,
+ .active = FD_STAGE_DRAW, /* | FD_STAGE_CLEAR ??? */
+ .get_sample = occlusion_get_sample,
+ .accumulate_result = occlusion_predicate_accumulate_result,
+};
+
+void fd3_query_context_init(struct pipe_context *pctx)
+{
+ fd_hw_query_register_provider(pctx, &occlusion_counter);
+ fd_hw_query_register_provider(pctx, &occlusion_predicate);
+}
--- /dev/null
+/* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
+
+/*
+ * Copyright (C) 2014 Rob Clark <robclark@freedesktop.org>
+ *
+ * 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, sublicense,
+ * 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 NONINFRINGEMENT. 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>
+ */
+
+#ifndef FD3_QUERY_H_
+#define FD3_QUERY_H_
+
+#include "pipe/p_context.h"
+
+void fd3_query_context_init(struct pipe_context *pctx);
+
+#endif /* FD3_QUERY_H_ */
projects / mesa.git / commitdiff