1 files changed, 250 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/r300/r300_queryobj.c b/src/mesa/drivers/dri/r300/r300_queryobj.c
new file mode 100644
index 0000000000..df1fb32ee7
--- /dev/null
+++ b/src/mesa/drivers/dri/r300/r300_queryobj.c
@@ -0,0 +1,250 @@
+/*
+ * 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 "r300_queryobj.h"
+#include "r300_emit.h"
+
+#include "main/imports.h"
+#include "main/simple_list.h"
+
+#define DDEBUG 0
+
+#define PAGE_SIZE 4096
+
+static void r300QueryGetResult(GLcontext *ctx, struct gl_query_object *q)
+{
+	struct r300_query_object *query = (struct r300_query_object *)q;
+	uint32_t *result;
+	int i;
+
+	if (DDEBUG) fprintf(stderr, "%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];
+		if (DDEBUG) fprintf(stderr, "result[%d] = %d\n", i, result[i]);
+	}
+
+	radeon_bo_unmap(query->bo);
+}
+
+static struct gl_query_object * r300NewQueryObject(GLcontext *ctx, GLuint id)
+{
+	struct r300_query_object *query;
+
+	query = _mesa_calloc(sizeof(struct r300_query_object));
+
+	query->Base.Id = id;
+	query->Base.Result = 0;
+	query->Base.Active = GL_FALSE;
+	query->Base.Ready = GL_TRUE;
+
+	if (DDEBUG) fprintf(stderr, "%s: query id %d\n", __FUNCTION__, query->Base.Id);
+
+	return &query->Base;
+}
+
+static void r300DeleteQuery(GLcontext *ctx, struct gl_query_object *q)
+{
+	struct r300_query_object *query = (struct r300_query_object *)q;
+
+	if (DDEBUG) fprintf(stderr, "%s: query id %d\n", __FUNCTION__, q->Id);
+
+	if (query->bo) {
+		radeon_bo_unref(query->bo);
+	}
+
+	_mesa_free(query);
+}
+
+static void r300BeginQuery(GLcontext *ctx, struct gl_query_object *q)
+{
+	r300ContextPtr r300 = R300_CONTEXT(ctx);
+	struct r300_query_object *query = (struct r300_query_object *)q;
+
+	if (DDEBUG) fprintf(stderr, "%s: query id %d\n", __FUNCTION__, q->Id);
+
+	assert(r300->query.current == NULL);
+
+	if (!query->bo) {
+		query->bo = radeon_bo_open(r300->radeon.radeonScreen->bom, 0, PAGE_SIZE, PAGE_SIZE, RADEON_GEM_DOMAIN_GTT, 0);
+	}
+	query->curr_offset = 0;
+
+	r300->query.current = query;
+	insert_at_tail(&r300->query.not_flushed_head, query);
+}
+
+static void r300EndQuery(GLcontext *ctx, struct gl_query_object *q)
+{
+	r300ContextPtr r300 = R300_CONTEXT(ctx);
+
+	if (DDEBUG) fprintf(stderr, "%s: query id %d\n", __FUNCTION__, q->Id);
+
+	r300EmitQueryEnd(ctx);
+
+	r300->query.current = NULL;
+}
+
+static void r300WaitQuery(GLcontext *ctx, struct gl_query_object *q)
+{
+	r300ContextPtr r300 = R300_CONTEXT(ctx);
+	struct r300_query_object *tmp, *query = (struct r300_query_object *)q;
+
+	/* If the cmdbuf with packets for this query hasn't been flushed yet, do it now */
+	{
+		GLboolean found = GL_FALSE;
+		foreach(tmp, &r300->query.not_flushed_head) {
+			if (tmp == query) {
+				found = GL_TRUE;
+				break;
+			}
+		}
+
+		if (found)
+			ctx->Driver.Flush(ctx);
+	}
+
+	if (DDEBUG) fprintf(stderr, "%s: query id %d, bo %p, offset %d\n", __FUNCTION__, q->Id, query->bo, query->curr_offset);
+
+	r300QueryGetResult(ctx, q);
+
+	query->Base.Ready = GL_TRUE;
+}
+
+
+/**
+ * TODO:
+ * should check if bo is idle, bo there's no interface to do it
+ * just wait for result now
+ */
+static void r300CheckQuery(GLcontext *ctx, struct gl_query_object *q)
+{
+	if (DDEBUG) fprintf(stderr, "%s: query id %d\n", __FUNCTION__, q->Id);
+
+	r300WaitQuery(ctx, q);
+}
+
+void r300EmitQueryBegin(GLcontext *ctx)
+{
+	r300ContextPtr r300 = R300_CONTEXT(ctx);
+	struct r300_query_object *query = r300->query.current;
+	BATCH_LOCALS(&r300->radeon);
+
+	if (!query || query->emitted_begin)
+		return;
+
+	if (DDEBUG) fprintf(stderr, "%s: query id %d\n", __FUNCTION__, query->Base.Id);
+
+	if (r300->radeon.radeonScreen->chip_family == CHIP_FAMILY_RV530) {
+		BEGIN_BATCH_NO_AUTOSTATE(4);
+		OUT_BATCH_REGVAL(RV530_FG_ZBREG_DEST, RV530_FG_ZBREG_DEST_PIPE_SELECT_ALL);
+		OUT_BATCH_REGVAL(R300_ZB_ZPASS_DATA, 0);
+		END_BATCH();
+	} else {
+		BEGIN_BATCH_NO_AUTOSTATE(4);
+		OUT_BATCH_REGVAL(R300_SU_REG_DEST, R300_RASTER_PIPE_SELECT_ALL);
+		OUT_BATCH_REGVAL(R300_ZB_ZPASS_DATA, 0);
+		END_BATCH();
+	}
+
+	query->emitted_begin = GL_TRUE;
+}
+
+void r300EmitQueryEnd(GLcontext *ctx)
+{
+	r300ContextPtr r300 = R300_CONTEXT(ctx);
+	struct r300_query_object *query = r300->query.current;
+	BATCH_LOCALS(&r300->radeon);
+
+	if (!query || !query->emitted_begin)
+		return;
+
+	if (DDEBUG) fprintf(stderr, "%s: query id %d, bo %p, offset %d\n", __FUNCTION__, query->Base.Id, query->bo, query->curr_offset);
+
+	radeon_cs_space_check_with_bo(r300->radeon.cmdbuf.cs,
+								  query->bo,
+								  0, RADEON_GEM_DOMAIN_GTT);
+
+	if (r300->radeon.radeonScreen->chip_family == CHIP_FAMILY_RV530) {
+		BEGIN_BATCH_NO_AUTOSTATE(14);
+		OUT_BATCH_REGVAL(RV530_FG_ZBREG_DEST, RV530_FG_ZBREG_DEST_PIPE_SELECT_0);
+		OUT_BATCH_REGSEQ(R300_ZB_ZPASS_ADDR, 1);
+		OUT_BATCH_RELOC(0, query->bo, query->curr_offset, 0, RADEON_GEM_DOMAIN_GTT, 0);
+		OUT_BATCH_REGVAL(RV530_FG_ZBREG_DEST, RV530_FG_ZBREG_DEST_PIPE_SELECT_1);
+		OUT_BATCH_REGSEQ(R300_ZB_ZPASS_ADDR, 1);
+		OUT_BATCH_RELOC(0, query->bo, query->curr_offset + sizeof(uint32_t), 0, RADEON_GEM_DOMAIN_GTT, 0);
+		OUT_BATCH_REGVAL(RV530_FG_ZBREG_DEST, RV530_FG_ZBREG_DEST_PIPE_SELECT_ALL);
+		END_BATCH();
+	} else {
+		BEGIN_BATCH_NO_AUTOSTATE(3 * 2 *r300->num_z_pipes + 2);
+		switch (r300->num_z_pipes) {
+			case 4:
+				OUT_BATCH_REGVAL(R300_SU_REG_DEST, R300_RASTER_PIPE_SELECT_3);
+				OUT_BATCH_REGSEQ(R300_ZB_ZPASS_ADDR, 1);
+				OUT_BATCH_RELOC(0, query->bo, query->curr_offset+3*sizeof(uint32_t), 0, RADEON_GEM_DOMAIN_GTT, 0);
+			case 3:
+				OUT_BATCH_REGVAL(R300_SU_REG_DEST, R300_RASTER_PIPE_SELECT_2);
+				OUT_BATCH_REGSEQ(R300_ZB_ZPASS_ADDR, 1);
+				OUT_BATCH_RELOC(0, query->bo, query->curr_offset+2*sizeof(uint32_t), 0, RADEON_GEM_DOMAIN_GTT, 0);
+			case 2:
+				if (r300->radeon.radeonScreen->chip_family <= CHIP_FAMILY_RV380) {
+					OUT_BATCH_REGVAL(R300_SU_REG_DEST, R300_RASTER_PIPE_SELECT_3);
+				} else {
+					OUT_BATCH_REGVAL(R300_SU_REG_DEST, R300_RASTER_PIPE_SELECT_1);
+				}
+				OUT_BATCH_REGSEQ(R300_ZB_ZPASS_ADDR, 1);
+				OUT_BATCH_RELOC(0, query->bo, query->curr_offset+1*sizeof(uint32_t), 0, RADEON_GEM_DOMAIN_GTT, 0);
+			case 1:
+			default:
+				OUT_BATCH_REGVAL(R300_SU_REG_DEST, R300_RASTER_PIPE_SELECT_0);
+				OUT_BATCH_REGSEQ(R300_ZB_ZPASS_ADDR, 1);
+				OUT_BATCH_RELOC(0, query->bo, query->curr_offset, 0, RADEON_GEM_DOMAIN_GTT, 0);
+				break;
+		}
+		OUT_BATCH_REGVAL(R300_SU_REG_DEST, R300_RASTER_PIPE_SELECT_ALL);
+		END_BATCH();
+	}
+
+	query->curr_offset += r300->num_z_pipes * sizeof(uint32_t);
+	assert(query->curr_offset < PAGE_SIZE);
+	query->emitted_begin = GL_FALSE;
+}
+
+void r300InitQueryObjFunctions(struct dd_function_table *functions)
+{
+	functions->NewQueryObject = r300NewQueryObject;
+	functions->DeleteQuery = r300DeleteQuery;
+	functions->BeginQuery = r300BeginQuery;
+	functions->EndQuery = r300EndQuery;
+	functions->CheckQuery = r300CheckQuery;
+	functions->WaitQuery = r300WaitQuery;
+}