Mesa (master): r600c: add OQ support for evergreen

[Alex Deucher]

Module: Mesa
Branch: master
Commit: 9cced19125f0c8bfe05d7d0c599b5c556efb20e7
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=9cced19125f0c8bfe05d7d0c599b5c556efb20e7

Author: Alex Deucher <alexdeucher at gmail.com>
Date:   Fri Sep 10 13:26:10 2010 -0400

r600c: add OQ support for evergreen

---

 src/mesa/drivers/dri/r600/evergreen_chip.c    |   47 ++++++++++++++++++++++--
 src/mesa/drivers/dri/r600/evergreen_context.c |   22 ++++++------
 src/mesa/drivers/dri/radeon/radeon_queryobj.c |    2 +-
 3 files changed, 55 insertions(+), 16 deletions(-)

diff --git a/src/mesa/drivers/dri/r600/evergreen_chip.c b/src/mesa/drivers/dri/r600/evergreen_chip.c
index e244213..b8f2c33 100644
--- a/src/mesa/drivers/dri/r600/evergreen_chip.c
+++ b/src/mesa/drivers/dri/r600/evergreen_chip.c
@@ -60,7 +60,46 @@ do {									\
 	insert_at_tail(&context->radeon.hw.atomlist, &context->evergreen_atoms.ATOM); \
 } while (0)
 
-/*
+static int check_queryobj(GLcontext *ctx, struct radeon_state_atom *atom)
+{
+	radeonContextPtr radeon = RADEON_CONTEXT(ctx);
+	struct radeon_query_object *query = radeon->query.current;
+	int count;
+
+	if (!query || query->emitted_begin)
+		count = 0;
+	else
+		count = atom->cmd_size;
+	radeon_print(RADEON_STATE, RADEON_TRACE, "%s %d\n", __func__, count);
+	return count;
+}
+
+static void evergreenSendQueryBegin(GLcontext *ctx, struct radeon_state_atom *atom)
+{
+	radeonContextPtr radeon = RADEON_CONTEXT(ctx);
+	struct radeon_query_object *query = radeon->query.current;
+	BATCH_LOCALS(radeon);
+	radeon_print(RADEON_STATE, RADEON_VERBOSE, "%s\n", __func__);
+
+	/* clear the buffer */
+	radeon_bo_map(query->bo, GL_FALSE);
+	memset(query->bo->ptr, 0, 8 * 2 * sizeof(uint64_t)); /* 8 DBs, 2 qwords each */
+	radeon_bo_unmap(query->bo);
+
+	radeon_cs_space_check_with_bo(radeon->cmdbuf.cs,
+				      query->bo,
+				      0, RADEON_GEM_DOMAIN_GTT);
+
+	BEGIN_BATCH_NO_AUTOSTATE(4 + 2);
+	R600_OUT_BATCH(CP_PACKET3(R600_IT_EVENT_WRITE, 2));
+	R600_OUT_BATCH(R600_EVENT_TYPE(ZPASS_DONE) | R600_EVENT_INDEX(1));
+	R600_OUT_BATCH(query->curr_offset); /* hw writes qwords */
+	R600_OUT_BATCH(0x00000000);
+	R600_OUT_BATCH_RELOC(VGT_EVENT_INITIATOR, query->bo, 0, 0, RADEON_GEM_DOMAIN_GTT, 0);
+	END_BATCH();
+	query->emitted_begin = GL_TRUE;
+}
+
 static void evergreen_init_query_stateobj(radeonContextPtr radeon, int SZ)
 {
 	radeon->query.queryobj.cmd_size = (SZ);
@@ -69,11 +108,11 @@ static void evergreen_init_query_stateobj(radeonContextPtr radeon, int SZ)
 	radeon->query.queryobj.idx = 0;
 	radeon->query.queryobj.check = check_queryobj;
 	radeon->query.queryobj.dirty = GL_FALSE;
-	radeon->query.queryobj.emit = r700SendQueryBegin;
+	radeon->query.queryobj.emit = evergreenSendQueryBegin;
 	radeon->hw.max_state_size += (SZ);
 	insert_at_tail(&radeon->hw.atomlist, &radeon->query.queryobj);
 }
-*/
+
 
 static int check_always(GLcontext *ctx, struct radeon_state_atom *atom)
 {
@@ -1511,7 +1550,7 @@ void evergreenInitAtoms(context_t *context)
     EVERGREEN_ALLOC_STATE(vgt,       always,        29,  evergreenSendVGT);
     EVERGREEN_ALLOC_STATE(timestamp, always,        3,   evergreenSendTIMESTAMP);
 
-    //evergreen_init_query_stateobj(&context->radeon, 6 * 2);
+    evergreen_init_query_stateobj(&context->radeon, 6 * 2);
 
     context->radeon.hw.is_dirty = GL_TRUE;
     context->radeon.hw.all_dirty = GL_TRUE;
diff --git a/src/mesa/drivers/dri/r600/evergreen_context.c b/src/mesa/drivers/dri/r600/evergreen_context.c
index bc29170..d75969d 100644
--- a/src/mesa/drivers/dri/r600/evergreen_context.c
+++ b/src/mesa/drivers/dri/r600/evergreen_context.c
@@ -36,6 +36,7 @@
 #include "evergreen_context.h"
 #include "evergreen_state.h"
 #include "evergreen_blit.h"
+#include "r600_cmdbuf.h"
 
 static void evergreen_get_lock(radeonContextPtr rmesa)
 {
@@ -70,20 +71,19 @@ static void evergreen_fallback(GLcontext *ctx, GLuint bit, GLboolean mode)
 
 static void evergreen_emit_query_finish(radeonContextPtr radeon)
 {
-    //TODO apr.01
-	//context_t *context = (context_t*) radeon;
-	//BATCH_LOCALS(&context->radeon);
+	context_t *context = (context_t*) radeon;
+	BATCH_LOCALS(&context->radeon);
 
 	struct radeon_query_object *query = radeon->query.current;
 
-	//BEGIN_BATCH_NO_AUTOSTATE(4 + 2);
-	//R600_OUT_BATCH(CP_PACKET3(R600_IT_EVENT_WRITE, 2));
-	//R600_OUT_BATCH(ZPASS_DONE);
-	//R600_OUT_BATCH(query->curr_offset + 8); /* hw writes qwords */
-	//R600_OUT_BATCH(0x00000000);
-	//R600_OUT_BATCH_RELOC(VGT_EVENT_INITIATOR, query->bo, 0, 0, RADEON_GEM_DOMAIN_GTT, 0);
-	//END_BATCH();
-	//assert(query->curr_offset < RADEON_QUERY_PAGE_SIZE);
+	BEGIN_BATCH_NO_AUTOSTATE(4 + 2);
+	R600_OUT_BATCH(CP_PACKET3(R600_IT_EVENT_WRITE, 2));
+	R600_OUT_BATCH(R600_EVENT_TYPE(ZPASS_DONE) | R600_EVENT_INDEX(1));
+	R600_OUT_BATCH(query->curr_offset + 8); /* hw writes qwords */
+	R600_OUT_BATCH(0x00000000);
+	R600_OUT_BATCH_RELOC(VGT_EVENT_INITIATOR, query->bo, 0, 0, RADEON_GEM_DOMAIN_GTT, 0);
+	END_BATCH();
+	assert(query->curr_offset < RADEON_QUERY_PAGE_SIZE);
 	query->emitted_begin = GL_FALSE;
 }
 
diff --git a/src/mesa/drivers/dri/radeon/radeon_queryobj.c b/src/mesa/drivers/dri/radeon/radeon_queryobj.c
index ab6d02e..5b7178b 100644
--- a/src/mesa/drivers/dri/radeon/radeon_queryobj.c
+++ b/src/mesa/drivers/dri/radeon/radeon_queryobj.c
@@ -56,7 +56,7 @@ static void radeonQueryGetResult(GLcontext *ctx, struct gl_query_object *q)
 		 * hw writes zpass end counts to qwords 1, 3, 5, 7.
 		 * then we substract. MSB is the valid bit.
 		 */
-		for (i = 0; i < 16; i += 4) {
+		for (i = 0; i < 32; i += 4) {
 			uint64_t start = (uint64_t)LE32_TO_CPU(result[i]) |
 					 (uint64_t)LE32_TO_CPU(result[i + 1]) << 32;
 			uint64_t end = (uint64_t)LE32_TO_CPU(result[i + 2]) |