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Diffstat (limited to 'src/gallium/drivers/virgl/virgl_query.c')
-rw-r--r--src/gallium/drivers/virgl/virgl_query.c169
1 files changed, 169 insertions, 0 deletions
diff --git a/src/gallium/drivers/virgl/virgl_query.c b/src/gallium/drivers/virgl/virgl_query.c
new file mode 100644
index 00000000000..f79be5f2f09
--- /dev/null
+++ b/src/gallium/drivers/virgl/virgl_query.c
@@ -0,0 +1,169 @@
+/*
+ * Copyright 2014, 2015 Red Hat.
+ *
+ * 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
+ * on 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 AUTHOR(S) AND/OR THEIR SUPPLIERS 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.
+ */
+
+#include "util/u_memory.h"
+#include "util/u_inlines.h"
+#include "virgl_resource.h"
+#include "virgl_context.h"
+#include "virgl_encode.h"
+
+struct virgl_query {
+ uint32_t handle;
+ struct virgl_resource *buf;
+
+ unsigned index;
+ unsigned type;
+ unsigned result_size;
+ unsigned result_gotten_sent;
+};
+
+static void virgl_render_condition(struct pipe_context *ctx,
+ struct pipe_query *q,
+ boolean condition,
+ uint mode)
+{
+ struct virgl_context *vctx = (struct virgl_context *)ctx;
+ struct virgl_query *query = (struct virgl_query *)q;
+ uint32_t handle = 0;
+ if (q)
+ handle = query->handle;
+ virgl_encoder_render_condition(vctx, handle, condition, mode);
+}
+
+static struct pipe_query *virgl_create_query(struct pipe_context *ctx,
+ unsigned query_type, unsigned index)
+{
+ struct virgl_context *vctx = (struct virgl_context *)ctx;
+ struct virgl_query *query;
+ uint32_t handle;
+
+ query = CALLOC_STRUCT(virgl_query);
+ if (!query)
+ return NULL;
+
+ query->buf = (struct virgl_resource *)pipe_buffer_create(ctx->screen, PIPE_BIND_CUSTOM,
+ PIPE_USAGE_STAGING, sizeof(struct virgl_host_query_state));
+ if (!query->buf) {
+ FREE(query);
+ return NULL;
+ }
+
+ handle = virgl_object_assign_handle();
+ query->type = query_type;
+ query->index = index;
+ query->handle = handle;
+ query->buf->clean = FALSE;
+ virgl_encoder_create_query(vctx, handle, query_type, index, query->buf, 0);
+
+ return (struct pipe_query *)query;
+}
+
+static void virgl_destroy_query(struct pipe_context *ctx,
+ struct pipe_query *q)
+{
+ struct virgl_context *vctx = (struct virgl_context *)ctx;
+ struct virgl_query *query = (struct virgl_query *)q;
+
+ virgl_encode_delete_object(vctx, query->handle, VIRGL_OBJECT_QUERY);
+
+ pipe_resource_reference((struct pipe_resource **)&query->buf, NULL);
+ FREE(query);
+}
+
+static boolean virgl_begin_query(struct pipe_context *ctx,
+ struct pipe_query *q)
+{
+ struct virgl_context *vctx = (struct virgl_context *)ctx;
+ struct virgl_query *query = (struct virgl_query *)q;
+
+ query->buf->clean = FALSE;
+ virgl_encoder_begin_query(vctx, query->handle);
+ return true;
+}
+
+static void virgl_end_query(struct pipe_context *ctx,
+ struct pipe_query *q)
+{
+ struct virgl_context *vctx = (struct virgl_context *)ctx;
+ struct virgl_query *query = (struct virgl_query *)q;
+ struct pipe_box box;
+
+ uint32_t qs = VIRGL_QUERY_STATE_WAIT_HOST;
+ u_box_1d(0, 4, &box);
+ virgl_transfer_inline_write(ctx, &query->buf->u.b, 0, PIPE_TRANSFER_WRITE,
+ &box, &qs, 0, 0);
+
+
+ virgl_encoder_end_query(vctx, query->handle);
+}
+
+static boolean virgl_get_query_result(struct pipe_context *ctx,
+ struct pipe_query *q,
+ boolean wait,
+ union pipe_query_result *result)
+{
+ struct virgl_context *vctx = (struct virgl_context *)ctx;
+ struct virgl_query *query = (struct virgl_query *)q;
+ struct pipe_transfer *transfer;
+ struct virgl_host_query_state *host_state;
+
+ /* ask host for query result */
+ if (!query->result_gotten_sent) {
+ query->result_gotten_sent = 1;
+ virgl_encoder_get_query_result(vctx, query->handle, 0);
+ ctx->flush(ctx, NULL, 0);
+ }
+
+ /* do we have to flush? */
+ /* now we can do the transfer to get the result back? */
+ remap:
+ host_state = pipe_buffer_map(ctx, &query->buf->u.b,
+ PIPE_TRANSFER_READ, &transfer);
+
+ if (host_state->query_state != VIRGL_QUERY_STATE_DONE) {
+ pipe_buffer_unmap(ctx, transfer);
+ if (wait)
+ goto remap;
+ else
+ return FALSE;
+ }
+
+ if (query->type == PIPE_QUERY_TIMESTAMP || query->type == PIPE_QUERY_TIME_ELAPSED)
+ result->u64 = host_state->result;
+ else
+ result->u64 = (uint32_t)host_state->result;
+
+ pipe_buffer_unmap(ctx, transfer);
+ query->result_gotten_sent = 0;
+ return TRUE;
+}
+
+void virgl_init_query_functions(struct virgl_context *vctx)
+{
+ vctx->base.render_condition = virgl_render_condition;
+ vctx->base.create_query = virgl_create_query;
+ vctx->base.destroy_query = virgl_destroy_query;
+ vctx->base.begin_query = virgl_begin_query;
+ vctx->base.end_query = virgl_end_query;
+ vctx->base.get_query_result = virgl_get_query_result;
+}