commit 96310cdad3174fe81c05d53de3d1186cbc82e768
author Lingfeng Yang <lfy@google.com> Wed Mar 28 11:56:28 2018 -0700
committer Commit Bot <commit-bot@chromium.org> Thu Mar 29 13:28:06 2018 +0000
tree 1d1614bd796c8c436fb7b134df9c7c14702be131
parent a3b220f36f519870e0b4895df21cf4586bd1f2b5

GLES1: glClientActiveTexture

+ adds query for GL_MAX_TEXTURE_UNITS

BUG=angleproject:2306

Change-Id: Ie89fa6a067551170856bf0f7e6d7b4452b3da132
Reviewed-on: https://chromium-review.googlesource.com/984894
Commit-Queue: Lingfeng Yang <lfy@google.com>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>

src/libANGLE/validationES1.cpp

diff --git a/src/libANGLE/validationES1.cpp b/src/libANGLE/validationES1.cpp
index 60a34be..52f50ff 100644
--- a/src/libANGLE/validationES1.cpp
+++ b/src/libANGLE/validationES1.cpp
@@ -72,7 +72,14 @@
 
 bool ValidateClientActiveTexture(Context *context, GLenum texture)
 {
-    UNIMPLEMENTED();
+    ANGLE_VALIDATE_IS_GLES1(context);
+    if (texture < GL_TEXTURE0 ||
+        texture > GL_TEXTURE0 + context->getCaps().maxMultitextureUnits - 1)
+    {
+        ANGLE_VALIDATION_ERR(context, InvalidEnum(), InvalidMultitextureUnit);
+        return false;
+    }
+
     return true;
 }