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Diffstat (limited to 'mesalib/src/mesa/main/queryobj.c')
-rw-r--r--mesalib/src/mesa/main/queryobj.c130
1 files changed, 59 insertions, 71 deletions
diff --git a/mesalib/src/mesa/main/queryobj.c b/mesalib/src/mesa/main/queryobj.c
index e14511a38..a907dac83 100644
--- a/mesalib/src/mesa/main/queryobj.c
+++ b/mesalib/src/mesa/main/queryobj.c
@@ -130,6 +130,42 @@ _mesa_init_query_object_functions(struct dd_function_table *driver)
}
+/**
+ * Return pointer to the query object binding point for the given target.
+ * \return NULL if invalid target, else the address of binding point
+ */
+static struct gl_query_object **
+get_query_binding_point(GLcontext *ctx, GLenum target)
+{
+ switch (target) {
+ case GL_SAMPLES_PASSED_ARB:
+ if (ctx->Extensions.ARB_occlusion_query)
+ return &ctx->Query.CurrentOcclusionObject;
+ else
+ return NULL;
+ case GL_TIME_ELAPSED_EXT:
+ if (ctx->Extensions.EXT_timer_query)
+ return &ctx->Query.CurrentTimerObject;
+ else
+ return NULL;
+#if FEATURE_EXT_transform_feedback
+ case GL_PRIMITIVES_GENERATED:
+ if (ctx->Extensions.EXT_transform_feedback)
+ return &ctx->Query.PrimitivesGenerated;
+ else
+ return NULL;
+ case GL_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN:
+ if (ctx->Extensions.EXT_transform_feedback)
+ return &ctx->Query.PrimitivesWritten;
+ else
+ return NULL;
+#endif
+ default:
+ return NULL;
+ }
+}
+
+
void GLAPIENTRY
_mesa_GenQueriesARB(GLsizei n, GLuint *ids)
{
@@ -214,36 +250,16 @@ _mesa_IsQueryARB(GLuint id)
static void GLAPIENTRY
_mesa_BeginQueryARB(GLenum target, GLuint id)
{
- struct gl_query_object *q;
+ struct gl_query_object *q, **bindpt;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
FLUSH_VERTICES(ctx, _NEW_DEPTH);
- switch (target) {
- case GL_SAMPLES_PASSED_ARB:
- if (!ctx->Extensions.ARB_occlusion_query) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glBeginQueryARB(target)");
- return;
- }
- if (ctx->Query.CurrentOcclusionObject) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glBeginQueryARB");
- return;
- }
- break;
- case GL_TIME_ELAPSED_EXT:
- if (!ctx->Extensions.EXT_timer_query) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glBeginQueryARB(target)");
- return;
- }
- if (ctx->Query.CurrentTimerObject) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glBeginQueryARB");
- return;
- }
- break;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM, "glBeginQueryARB(target)");
- return;
+ bindpt = get_query_binding_point(ctx, target);
+ if (!bindpt) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glBeginQueryARB(target)");
+ return;
}
if (id == 0) {
@@ -275,12 +291,8 @@ _mesa_BeginQueryARB(GLenum target, GLuint id)
q->Result = 0;
q->Ready = GL_FALSE;
- if (target == GL_SAMPLES_PASSED_ARB) {
- ctx->Query.CurrentOcclusionObject = q;
- }
- else if (target == GL_TIME_ELAPSED_EXT) {
- ctx->Query.CurrentTimerObject = q;
- }
+ /* XXX should probably refcount query objects */
+ *bindpt = q;
ctx->Driver.BeginQuery(ctx, q);
}
@@ -289,34 +301,22 @@ _mesa_BeginQueryARB(GLenum target, GLuint id)
static void GLAPIENTRY
_mesa_EndQueryARB(GLenum target)
{
- struct gl_query_object *q;
+ struct gl_query_object *q, **bindpt;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
FLUSH_VERTICES(ctx, _NEW_DEPTH);
- switch (target) {
- case GL_SAMPLES_PASSED_ARB:
- if (!ctx->Extensions.ARB_occlusion_query) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glEndQueryARB(target)");
- return;
- }
- q = ctx->Query.CurrentOcclusionObject;
- ctx->Query.CurrentOcclusionObject = NULL;
- break;
- case GL_TIME_ELAPSED_EXT:
- if (!ctx->Extensions.EXT_timer_query) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glEndQueryARB(target)");
- return;
- }
- q = ctx->Query.CurrentTimerObject;
- ctx->Query.CurrentTimerObject = NULL;
- break;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM, "glEndQueryARB(target)");
- return;
+ bindpt = get_query_binding_point(ctx, target);
+ if (!bindpt) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glEndQueryARB(target)");
+ return;
}
+ /* XXX should probably refcount query objects */
+ q = *bindpt;
+ *bindpt = NULL;
+
if (!q || !q->Active) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glEndQueryARB(no matching glBeginQueryARB)");
@@ -331,30 +331,18 @@ _mesa_EndQueryARB(GLenum target)
void GLAPIENTRY
_mesa_GetQueryivARB(GLenum target, GLenum pname, GLint *params)
{
- struct gl_query_object *q;
+ struct gl_query_object *q, **bindpt;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
- switch (target) {
- case GL_SAMPLES_PASSED_ARB:
- if (!ctx->Extensions.ARB_occlusion_query) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glEndQueryARB(target)");
- return;
- }
- q = ctx->Query.CurrentOcclusionObject;
- break;
- case GL_TIME_ELAPSED_EXT:
- if (!ctx->Extensions.EXT_timer_query) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glEndQueryARB(target)");
- return;
- }
- q = ctx->Query.CurrentTimerObject;
- break;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetQueryivARB(target)");
- return;
+ bindpt = get_query_binding_point(ctx, target);
+ if (!bindpt) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetQueryARB(target)");
+ return;
}
+ q = *bindpt;
+
switch (pname) {
case GL_QUERY_COUNTER_BITS_ARB:
*params = 8 * sizeof(q->Result);