mesa: relax draw api validation on ES2

Patch fixes failing test in WebGL conformance test
'point-no-attributes' when running Chrome on OpenGL ES.
(Shader program may draw points using constant data in shader.)

No Piglit regressions.

Signed-off-by: Tapani Pälli <tapani.palli@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>

diff --git a/src/mesa/main/api_validate.c b/src/mesa/main/api_validate.c
index 51a3d1f01ce833d11f39d8e799bc63357a5060d9..9b80600dedac4138fc867f3f164623f7292b0272 100644 (file)
--- a/src/mesa/main/api_validate.c
+++ b/src/mesa/main/api_validate.c
@@ -112,9 +112,8 @@ check_valid_to_render(struct gl_context *ctx, const char *function)
 
    switch (ctx->API) {
    case API_OPENGLES2:
-      /* For ES2, we can draw if any vertex array is enabled (and we
-       * should always have a vertex program/shader). */
-      if (ctx->Array.VAO->_Enabled == 0x0 || !ctx->VertexProgram._Current)
+      /* For ES2, we can draw if we have a vertex program/shader). */
+      if (!ctx->VertexProgram._Current)
         return GL_FALSE;
       break;