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authorMarek Olšák <maraeo@gmail.com>2012-06-26 03:55:12 (GMT)
committer Marek Olšák <maraeo@gmail.com>2012-07-10 17:04:12 (GMT)
commitf601dcdf7025fbc6e7d624649a0f097af3b88d65 (patch) (side-by-side diff)
tree108fef73ac1f69d638207e8c68fda53f984b3fea
parent4952caad2dbf8668d86c3043b5761c61382bbb4c (diff)
downloadmesa-f601dcdf7025fbc6e7d624649a0f097af3b88d65.zip
mesa-f601dcdf7025fbc6e7d624649a0f097af3b88d65.tar.gz
mesa: implement TIMESTAMP query and glQueryCounter
Reviewed-by: Brian Paul <brianp@vmware.com>
Diffstat (more/less context) (ignore whitespace changes)
-rw-r--r--src/mesa/main/queryobj.c78
1 files changed, 72 insertions, 6 deletions
diff --git a/src/mesa/main/queryobj.c b/src/mesa/main/queryobj.c
index f0a9a79..cb50784 100644
--- a/src/mesa/main/queryobj.c
+++ b/src/mesa/main/queryobj.c
@@ -353,9 +353,66 @@ _mesa_EndQueryARB(GLenum target)
static void GLAPIENTRY
+_mesa_QueryCounter(GLuint id, GLenum target)
+{
+ struct gl_query_object *q;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (MESA_VERBOSE & VERBOSE_API)
+ _mesa_debug(ctx, "glQueryCounter(%u, %s)\n", id,
+ _mesa_lookup_enum_by_nr(target));
+
+ /* error checking */
+ if (target != GL_TIMESTAMP) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glQueryCounter(target)");
+ return;
+ }
+
+ if (id == 0) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glQueryCounter(id==0)");
+ return;
+ }
+
+ q = _mesa_lookup_query_object(ctx, id);
+ if (!q) {
+ /* XXX the Core profile should throw INVALID_OPERATION here */
+
+ /* create new object */
+ q = ctx->Driver.NewQueryObject(ctx, id);
+ if (!q) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glQueryCounter");
+ return;
+ }
+ _mesa_HashInsert(ctx->Query.QueryObjects, id, q);
+ }
+ else {
+ if (q->Target && q->Target != GL_TIMESTAMP) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glQueryCounter(id has an invalid target)");
+ return;
+ }
+ }
+
+ if (q->Active) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glQueryCounter(id is active)");
+ return;
+ }
+
+ q->Target = target;
+ q->Result = 0;
+ q->Ready = GL_FALSE;
+
+ /* QueryCounter is implemented using EndQuery without BeginQuery
+ * in drivers. This is actually Direct3D and Gallium convention. */
+ ctx->Driver.EndQuery(ctx, q);
+}
+
+
+static void GLAPIENTRY
_mesa_GetQueryivARB(GLenum target, GLenum pname, GLint *params)
{
- struct gl_query_object *q, **bindpt;
+ struct gl_query_object *q = NULL, **bindpt = NULL;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
@@ -364,13 +421,21 @@ _mesa_GetQueryivARB(GLenum target, GLenum pname, GLint *params)
_mesa_lookup_enum_by_nr(target),
_mesa_lookup_enum_by_nr(pname));
- bindpt = get_query_binding_point(ctx, target);
- if (!bindpt) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetQueryARB(target)");
- return;
+ if (target == GL_TIMESTAMP) {
+ if (!ctx->Extensions.ARB_timer_query) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetQueryARB(target)");
+ return;
+ }
}
+ else {
+ bindpt = get_query_binding_point(ctx, target);
+ if (!bindpt) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetQueryARB(target)");
+ return;
+ }
- q = *bindpt;
+ q = *bindpt;
+ }
switch (pname) {
case GL_QUERY_COUNTER_BITS_ARB:
@@ -581,6 +646,7 @@ _mesa_init_queryobj_dispatch(struct _glapi_table *disp)
SET_GetQueryivARB(disp, _mesa_GetQueryivARB);
SET_GetQueryObjectivARB(disp, _mesa_GetQueryObjectivARB);
SET_GetQueryObjectuivARB(disp, _mesa_GetQueryObjectuivARB);
+ SET_QueryCounter(disp, _mesa_QueryCounter);
SET_GetQueryObjecti64vEXT(disp, _mesa_GetQueryObjecti64vEXT);
SET_GetQueryObjectui64vEXT(disp, _mesa_GetQueryObjectui64vEXT);