1 files changed, 235 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/radeon/radeon_queryobj.c b/src/mesa/drivers/dri/radeon/radeon_queryobj.c
new file mode 100644
index 0000000000..b79d864ba2
--- /dev/null
+++ b/src/mesa/drivers/dri/radeon/radeon_queryobj.c
@@ -0,0 +1,235 @@
+/*
+ * Copyright © 2008-2009 Maciej Cencora <m.cencora@gmail.com>
+ *
+ * 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:
+ *    Maciej Cencora <m.cencora@gmail.com>
+ *
+ */
+#include "radeon_common.h"
+#include "radeon_queryobj.h"
+#include "radeon_debug.h"
+
+#include "main/imports.h"
+#include "main/simple_list.h"
+
+static int radeonQueryIsFlushed(GLcontext *ctx, struct gl_query_object *q)
+{
+	radeonContextPtr radeon = RADEON_CONTEXT(ctx);
+	struct radeon_query_object *tmp, *query = (struct radeon_query_object *)q;
+
+	foreach(tmp, &radeon->query.not_flushed_head) {
+		if (tmp == query) {
+			return 0;
+		}
+	}
+
+	return 1;
+}
+
+static void radeonQueryGetResult(GLcontext *ctx, struct gl_query_object *q)
+{
+	struct radeon_query_object *query = (struct radeon_query_object *)q;
+	uint32_t *result;
+	int i;
+
+	radeon_print(RADEON_STATE, RADEON_VERBOSE,
+			"%s: query id %d, result %d\n",
+			__FUNCTION__, query->Base.Id, (int) query->Base.Result);
+
+	radeon_bo_map(query->bo, GL_FALSE);
+
+	result = query->bo->ptr;
+
+	query->Base.Result = 0;
+	for (i = 0; i < query->curr_offset/sizeof(uint32_t); ++i) {
+		query->Base.Result += result[i];
+		radeon_print(RADEON_STATE, RADEON_TRACE, "result[%d] = %d\n", i, result[i]);
+	}
+
+	radeon_bo_unmap(query->bo);
+}
+
+static struct gl_query_object * radeonNewQueryObject(GLcontext *ctx, GLuint id)
+{
+	struct radeon_query_object *query;
+
+	query = _mesa_calloc(sizeof(struct radeon_query_object));
+
+	query->Base.Id = id;
+	query->Base.Result = 0;
+	query->Base.Active = GL_FALSE;
+	query->Base.Ready = GL_TRUE;
+
+	radeon_print(RADEON_STATE, RADEON_VERBOSE,"%s: query id %d\n", __FUNCTION__, query->Base.Id);
+
+	return &query->Base;
+}
+
+static void radeonDeleteQuery(GLcontext *ctx, struct gl_query_object *q)
+{
+	struct radeon_query_object *query = (struct radeon_query_object *)q;
+
+	radeon_print(RADEON_STATE, RADEON_NORMAL, "%s: query id %d\n", __FUNCTION__, q->Id);
+
+	if (query->bo) {
+		radeon_bo_unref(query->bo);
+	}
+
+	_mesa_free(query);
+}
+
+static void radeonWaitQuery(GLcontext *ctx, struct gl_query_object *q)
+{
+	struct radeon_query_object *query = (struct radeon_query_object *)q;
+
+	/* If the cmdbuf with packets for this query hasn't been flushed yet, do it now */
+	if (!radeonQueryIsFlushed(ctx, q))
+		ctx->Driver.Flush(ctx);
+
+	radeon_print(RADEON_STATE, RADEON_VERBOSE, "%s: query id %d, bo %p, offset %d\n", __FUNCTION__, q->Id, query->bo, query->curr_offset);
+
+	radeonQueryGetResult(ctx, q);
+
+	query->Base.Ready = GL_TRUE;
+}
+
+
+static void radeonBeginQuery(GLcontext *ctx, struct gl_query_object *q)
+{
+	radeonContextPtr radeon = RADEON_CONTEXT(ctx);
+	struct radeon_query_object *query = (struct radeon_query_object *)q;
+
+	radeon_print(RADEON_STATE, RADEON_NORMAL, "%s: query id %d\n", __FUNCTION__, q->Id);
+
+	assert(radeon->query.current == NULL);
+
+	if (radeon->dma.flush)
+		radeon->dma.flush(radeon->glCtx);
+
+	if (!query->bo) {
+		query->bo = radeon_bo_open(radeon->radeonScreen->bom, 0, RADEON_QUERY_PAGE_SIZE, RADEON_QUERY_PAGE_SIZE, RADEON_GEM_DOMAIN_GTT, 0);
+	}
+	query->curr_offset = 0;
+
+	radeon->query.current = query;
+
+	radeon->query.queryobj.dirty = GL_TRUE;
+	radeon->hw.is_dirty = GL_TRUE;
+	insert_at_tail(&radeon->query.not_flushed_head, query);
+
+}
+
+void radeonEmitQueryEnd(GLcontext *ctx)
+{
+	radeonContextPtr radeon = RADEON_CONTEXT(ctx);
+	struct radeon_query_object *query = radeon->query.current;
+
+	if (!query)
+		return;
+
+	if (query->emitted_begin == GL_FALSE)
+		return;
+
+	radeon_print(RADEON_STATE, RADEON_NORMAL, "%s: query id %d, bo %p, offset %d\n", __FUNCTION__, query->Base.Id, query->bo, query->curr_offset);
+
+	radeon_cs_space_check_with_bo(radeon->cmdbuf.cs,
+				      query->bo,
+				      0, RADEON_GEM_DOMAIN_GTT);
+
+	radeon->vtbl.emit_query_finish(radeon);
+}
+
+static void radeonEndQuery(GLcontext *ctx, struct gl_query_object *q)
+{
+	radeonContextPtr radeon = RADEON_CONTEXT(ctx);
+
+	radeon_print(RADEON_STATE, RADEON_NORMAL, "%s: query id %d\n", __FUNCTION__, q->Id);
+
+	if (radeon->dma.flush)
+		radeon->dma.flush(radeon->glCtx);
+	radeonEmitQueryEnd(ctx);
+
+	radeon->query.current = NULL;
+}
+
+static void radeonCheckQuery(GLcontext *ctx, struct gl_query_object *q)
+{
+	radeon_print(RADEON_STATE, RADEON_TRACE, "%s: query id %d\n", __FUNCTION__, q->Id);
+
+#ifdef DRM_RADEON_GEM_BUSY
+	radeonContextPtr radeon = RADEON_CONTEXT(ctx);
+
+	if (radeon->radeonScreen->kernel_mm) {
+		struct radeon_query_object *query = (struct radeon_query_object *)q;
+		uint32_t domain;
+
+		/* Need to perform a flush, as per ARB_occlusion_query spec */
+		if (!radeonQueryIsFlushed(ctx, q)) {
+			ctx->Driver.Flush(ctx);
+		}
+
+		if (radeon_bo_is_busy(query->bo, &domain) == 0) {
+			radeonQueryGetResult(ctx, q);
+			query->Base.Ready = GL_TRUE;
+		}
+	} else {
+		radeonWaitQuery(ctx, q);
+	}
+#else
+	radeonWaitQuery(ctx, q);
+#endif
+}
+
+void radeonInitQueryObjFunctions(struct dd_function_table *functions)
+{
+	functions->NewQueryObject = radeonNewQueryObject;
+	functions->DeleteQuery = radeonDeleteQuery;
+	functions->BeginQuery = radeonBeginQuery;
+	functions->EndQuery = radeonEndQuery;
+	functions->CheckQuery = radeonCheckQuery;
+	functions->WaitQuery = radeonWaitQuery;
+}
+
+int radeon_check_query_active(GLcontext *ctx, struct radeon_state_atom *atom)
+{
+	radeonContextPtr radeon = RADEON_CONTEXT(ctx);
+	struct radeon_query_object *query = radeon->query.current;
+
+	if (!query || query->emitted_begin)
+		return 0;
+	return atom->cmd_size;
+}
+
+void radeon_emit_queryobj(GLcontext *ctx, struct radeon_state_atom *atom)
+{
+	radeonContextPtr radeon = RADEON_CONTEXT(ctx);
+	BATCH_LOCALS(radeon);
+	int dwords;
+
+	dwords = (*atom->check) (ctx, atom);
+
+	BEGIN_BATCH_NO_AUTOSTATE(dwords);
+	OUT_BATCH_TABLE(atom->cmd, dwords);
+	END_BATCH();
+
+	radeon->query.current->emitted_begin = GL_TRUE;
+}