1 files changed, 54 insertions, 0 deletions
diff --git a/gpu/command_buffer/service/feature_info.cc b/gpu/command_buffer/service/feature_info.cc
index 84fc2e4..c6220bb 100644
--- a/gpu/command_buffer/service/feature_info.cc
+++ b/gpu/command_buffer/service/feature_info.cc
@@ -1118,6 +1118,60 @@ bool FeatureInfo::IsES3Capable() const {
 void FeatureInfo::EnableES3Validators() {
   DCHECK(IsES3Capable());
   validators_.UpdateValuesES3();
+
+  GLint max_color_attachments = 0;
+  glGetIntegerv(GL_MAX_COLOR_ATTACHMENTS, &max_color_attachments);
+  const int kTotalColorAttachmentEnums = 16;
+  const GLenum kColorAttachments[] = {
+    GL_COLOR_ATTACHMENT0,
+    GL_COLOR_ATTACHMENT1,
+    GL_COLOR_ATTACHMENT2,
+    GL_COLOR_ATTACHMENT3,
+    GL_COLOR_ATTACHMENT4,
+    GL_COLOR_ATTACHMENT5,
+    GL_COLOR_ATTACHMENT6,
+    GL_COLOR_ATTACHMENT7,
+    GL_COLOR_ATTACHMENT8,
+    GL_COLOR_ATTACHMENT9,
+    GL_COLOR_ATTACHMENT10,
+    GL_COLOR_ATTACHMENT11,
+    GL_COLOR_ATTACHMENT12,
+    GL_COLOR_ATTACHMENT13,
+    GL_COLOR_ATTACHMENT14,
+    GL_COLOR_ATTACHMENT15,
+  };
+  if (max_color_attachments < kTotalColorAttachmentEnums) {
+    validators_.attachment.RemoveValues(
+        kColorAttachments + max_color_attachments,
+        kTotalColorAttachmentEnums - max_color_attachments);
+  }
+
+  GLint max_draw_buffers = 0;
+  glGetIntegerv(GL_MAX_DRAW_BUFFERS, &max_draw_buffers);
+  const int kTotalDrawBufferEnums = 16;
+  const GLenum kDrawBuffers[] = {
+    GL_DRAW_BUFFER0,
+    GL_DRAW_BUFFER1,
+    GL_DRAW_BUFFER2,
+    GL_DRAW_BUFFER3,
+    GL_DRAW_BUFFER4,
+    GL_DRAW_BUFFER5,
+    GL_DRAW_BUFFER6,
+    GL_DRAW_BUFFER7,
+    GL_DRAW_BUFFER8,
+    GL_DRAW_BUFFER9,
+    GL_DRAW_BUFFER10,
+    GL_DRAW_BUFFER11,
+    GL_DRAW_BUFFER12,
+    GL_DRAW_BUFFER13,
+    GL_DRAW_BUFFER14,
+    GL_DRAW_BUFFER15,
+  };
+  if (max_draw_buffers < kTotalDrawBufferEnums) {
+    validators_.g_l_state.RemoveValues(
+        kDrawBuffers + max_draw_buffers,
+        kTotalDrawBufferEnums - max_draw_buffers);
+  }
 }
 
 void FeatureInfo::AddExtensionString(const char* s) {