Set attachment for bound framebuffer in FramebufferTextureLayer

gpu/command_buffer/service/framebuffer_manager.cc

Index: gpu/command_buffer/service/framebuffer_manager.cc
diff --git a/gpu/command_buffer/service/framebuffer_manager.cc b/gpu/command_buffer/service/framebuffer_manager.cc
index b78a5dcb6bc8976fdda9da4eb4c7e02aa6cd0887..45dc4ef44104da2b0ff994c06d997b14f6ca2b26 100644
--- a/gpu/command_buffer/service/framebuffer_manager.cc
+++ b/gpu/command_buffer/service/framebuffer_manager.cc
@@ -107,11 +107,13 @@ class TextureAttachment
     : public Framebuffer::Attachment {
  public:
   TextureAttachment(
-      TextureRef* texture_ref, GLenum target, GLint level, GLsizei samples)
+      TextureRef* texture_ref, GLenum target, GLint level,
+      GLsizei samples, GLint layer)
       : texture_ref_(texture_ref),
         target_(target),
         level_(level),
-        samples_(samples) {
+        samples_(samples),
+        layer_(layer) {
   }
 
   GLsizei width() const override {
@@ -148,6 +150,8 @@ class TextureAttachment
 
   GLsizei samples() const override { return samples_; }
 
+  GLint layer() const { return layer_; }
+
   GLuint object_name() const override { return texture_ref_->client_id(); }
 
   bool cleared() const override {
@@ -234,6 +238,7 @@ class TextureAttachment
   GLenum target_;
   GLint level_;
   GLsizei samples_;
+  GLint layer_;
 
   DISALLOW_COPY_AND_ASSIGN(TextureAttachment);
 };
@@ -689,7 +694,23 @@ void Framebuffer::AttachTexture(
     a->DetachFromFramebuffer(this);
   if (texture_ref) {
     attachments_[attachment] = scoped_refptr<Attachment>(
-        new TextureAttachment(texture_ref, target, level, samples));
+        new TextureAttachment(texture_ref, target, level, samples, 0));
+    texture_ref->texture()->AttachToFramebuffer();
+  } else {
+    attachments_.erase(attachment);
+  }
+  framebuffer_complete_state_count_id_ = 0;
+}
+
+void Framebuffer::AttachTextureLayer(
+    GLenum attachment, TextureRef* texture_ref, GLenum target,
+    GLint level, GLint layer) {
+  const Attachment* a = GetAttachment(attachment);
+  if (a)
+    a->DetachFromFramebuffer(this);
+  if (texture_ref) {
+    attachments_[attachment] = scoped_refptr<Attachment>(
+        new TextureAttachment(texture_ref, target, level, 0, layer));
     texture_ref->texture()->AttachToFramebuffer();
   } else {
     attachments_.erase(attachment);