Mesa (master): mesa: enum checks for GL_EXT_occlusion_query_boolean

[Tapani Pälli]

Module: Mesa
Branch: master
Commit: f5bec8583a568b62cf5bbdadc669ecec6b9c28cb
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=f5bec8583a568b62cf5bbdadc669ecec6b9c28cb

Author: Tapani Pälli <tapani.palli at intel.com>
Date:   Wed Oct  4 14:56:27 2017 +0300

mesa: enum checks for GL_EXT_occlusion_query_boolean

Some of the checks are valid for generic ES 3.2 as well.

Signed-off-by: Tapani Pälli <tapani.palli at intel.com>
Reviewed-by: Eric Anholt <eric at anholt.net>

---

 src/mesa/main/queryobj.c | 44 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)

diff --git a/src/mesa/main/queryobj.c b/src/mesa/main/queryobj.c
index 46535d7b4c..d966814a76 100644
--- a/src/mesa/main/queryobj.c
+++ b/src/mesa/main/queryobj.c
@@ -165,6 +165,20 @@ get_pipe_stats_binding_point(struct gl_context *ctx,
 static struct gl_query_object **
 get_query_binding_point(struct gl_context *ctx, GLenum target, GLuint index)
 {
+
+   /* From GL_EXT_occlusion_query_boolean spec:
+    *
+    *    "Accepted by the <target> parameter of BeginQueryEXT, EndQueryEXT,
+    *    and GetQueryivEXT:
+    *
+    *   ANY_SAMPLES_PASSED_EXT                         0x8C2F
+    *   ANY_SAMPLES_PASSED_CONSERVATIVE_EXT            0x8D6A"
+    */
+   if ((_mesa_is_gles(ctx) && ctx->Version == 20) &&
+       (target != GL_ANY_SAMPLES_PASSED &&
+        target != GL_ANY_SAMPLES_PASSED_CONSERVATIVE))
+      return NULL;
+
    switch (target) {
    case GL_SAMPLES_PASSED_ARB:
       if (ctx->Extensions.ARB_occlusion_query)
@@ -649,6 +663,19 @@ _mesa_GetQueryIndexediv(GLenum target, GLuint index, GLenum pname,
    if (!query_error_check_index(ctx, target, index))
       return;
 
+   /* From the GL_EXT_occlusion_query_boolean spec:
+    *
+    * "The error INVALID_ENUM is generated if GetQueryivEXT is called where
+    * <pname> is not CURRENT_QUERY_EXT."
+    *
+    * Same rule is present also in ES 3.2 spec.
+    */
+   if (_mesa_is_gles(ctx) && pname != GL_CURRENT_QUERY) {
+      _mesa_error(ctx, GL_INVALID_ENUM, "glGetQueryivEXT(%s)",
+                  _mesa_enum_to_string(pname));
+      return;
+   }
+
    if (target == GL_TIMESTAMP) {
       if (!ctx->Extensions.ARB_timer_query) {
          _mesa_error(ctx, GL_INVALID_ENUM, "glGetQueryARB(target)");
@@ -775,6 +802,23 @@ get_query_object(struct gl_context *ctx, const char *func,
       return;
    }
 
+   /* From GL_EXT_occlusion_query_boolean spec:
+    *
+    *    "Accepted by the <pname> parameter of GetQueryObjectivEXT and
+    *    GetQueryObjectuivEXT:
+    *
+    *    QUERY_RESULT_EXT                               0x8866
+    *    QUERY_RESULT_AVAILABLE_EXT                     0x8867"
+    *
+    * Same rule is present also in ES 3.2 spec.
+    */
+   if (_mesa_is_gles(ctx) &&
+       (pname != GL_QUERY_RESULT && pname != GL_QUERY_RESULT_AVAILABLE)) {
+      _mesa_error(ctx, GL_INVALID_ENUM, "%s(%s)", func,
+                  _mesa_enum_to_string(pname));
+      return;
+   }
+
    if (buf && buf != ctx->Shared->NullBufferObj) {
       bool is_64bit = ptype == GL_INT64_ARB ||
          ptype == GL_UNSIGNED_INT64_ARB;