commit b29316019b27fa87acd796572c12bca53aeffbff
author Corentin Wallez <cwallez@chromium.org> Tue Apr 11 15:58:57 2017 -0400
committer Commit Bot <commit-bot@chromium.org> Wed Apr 19 15:26:22 2017 +0000
tree d7a91610ea45f690dfa44a3e27dc4a5330778288
parent b36e5393d35bfa28c72d0b61d6ba2565725b99a0

Add robust entry point for CompressedTex(Sub)Image

BUG=angleproject:1354

Change-Id: I925db827c4ccf4e6f037a058f8f6b960a56047e1
Reviewed-on: https://chromium-review.googlesource.com/474964
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>

src/libANGLE/validationES.cpp

diff --git a/src/libANGLE/validationES.cpp b/src/libANGLE/validationES.cpp
index a4609a5..3306732 100644
--- a/src/libANGLE/validationES.cpp
+++ b/src/libANGLE/validationES.cpp
@@ -6257,4 +6257,25 @@
     return true;
 }
 
+bool ValidateRobustCompressedTexImageBase(ValidationContext *context,
+                                          GLsizei imageSize,
+                                          GLsizei dataSize)
+{
+    if (!ValidateRobustEntryPoint(context, dataSize))
+    {
+        return false;
+    }
+
+    gl::Buffer *pixelUnpackBuffer = context->getGLState().getTargetBuffer(GL_PIXEL_UNPACK_BUFFER);
+    if (pixelUnpackBuffer == nullptr)
+    {
+        if (dataSize < imageSize)
+        {
+            context->handleError(
+                Error(GL_INVALID_OPERATION, "dataSize must be at least %i.", imageSize));
+        }
+    }
+    return true;
+}
+
 }  // namespace gl