Rebind to correct backbuffer after clearing READ buffer.

gpu/command_buffer/service/gles2_cmd_decoder_unittest_base.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "gpu/command_buffer/service/gles2_cmd_decoder_unittest_base.h"
 
 #include <algorithm>
 #include <string>
 
 #include "base/string_number_conversions.h"
@@ skipping 326 matching lines @@
 void GLES2DecoderTestBase::SetupExpectationsForFramebufferClearing(
     GLenum target,
     GLuint clear_bits,
     GLclampf restore_red,
     GLclampf restore_green,
     GLclampf restore_blue,
     GLclampf restore_alpha,
     GLuint restore_stencil,
     GLclampf restore_depth,
     bool restore_scissor_test) {
+  SetupExpectationsForFramebufferClearingMulti(
+      0,
+      0,
+      target,
+      clear_bits,
+      restore_red,
+      restore_green,
+      restore_blue,
+      restore_alpha,
+      restore_stencil,
+      restore_depth,
+      restore_scissor_test);
+}
+
+void GLES2DecoderTestBase::SetupExpectationsForFramebufferClearingMulti(
+    GLuint read_framebuffer_service_id,
+    GLuint draw_framebuffer_service_id,
+    GLenum target,
+    GLuint clear_bits,
+    GLclampf restore_red,
+    GLclampf restore_green,
+    GLclampf restore_blue,
+    GLclampf restore_alpha,
+    GLuint restore_stencil,
+    GLclampf restore_depth,
+    bool restore_scissor_test) {
   // TODO(gman): Figure out why InSequence stopped working.
   // InSequence sequence;
   EXPECT_CALL(*gl_, CheckFramebufferStatusEXT(target))
       .WillOnce(Return(GL_FRAMEBUFFER_COMPLETE))
       .RetiresOnSaturation();
+  if (target == GL_READ_FRAMEBUFFER_EXT) {
+    EXPECT_CALL(*gl_, BindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT, 0))
+        .Times(1)
+        .RetiresOnSaturation();
+    EXPECT_CALL(*gl_, BindFramebufferEXT(
+        GL_DRAW_FRAMEBUFFER_EXT, read_framebuffer_service_id))
+        .Times(1)
+        .RetiresOnSaturation();
+  }
   if ((clear_bits & GL_COLOR_BUFFER_BIT) != 0) {
     EXPECT_CALL(*gl_, ClearColor(0.0f, 0.0f, 0.0f, 0.0f))
         .Times(1)
         .RetiresOnSaturation();
     EXPECT_CALL(*gl_, ColorMask(true, true, true, true))
         .Times(1)
         .RetiresOnSaturation();
   }
   if ((clear_bits & GL_STENCIL_BUFFER_BIT) != 0) {
     EXPECT_CALL(*gl_, ClearStencil(0))
@@ skipping 25 matching lines @@
       .Times(1)
       .RetiresOnSaturation();
   EXPECT_CALL(*gl_, ClearDepth(restore_depth))
       .Times(1)
       .RetiresOnSaturation();
   if (restore_scissor_test) {
     EXPECT_CALL(*gl_, Enable(GL_SCISSOR_TEST))
         .Times(1)
         .RetiresOnSaturation();
   }
+  if (target == GL_READ_FRAMEBUFFER_EXT) {
+    EXPECT_CALL(*gl_, BindFramebufferEXT(
+        GL_READ_FRAMEBUFFER_EXT, read_framebuffer_service_id))
+        .Times(1)
+        .RetiresOnSaturation();
+    EXPECT_CALL(*gl_, BindFramebufferEXT(
+        GL_DRAW_FRAMEBUFFER_EXT, draw_framebuffer_service_id))
+        .Times(1)
+        .RetiresOnSaturation();
+  }
 }
 
 void GLES2DecoderTestBase::SetupShaderForUniform() {
   static AttribInfo attribs[] = {
     { "foo", 1, GL_FLOAT, 1, },
   };
   static UniformInfo uniforms[] = {
     { "bar", 3, GL_INT, 1, },
   };
   const GLuint kClientVertexShaderId = 5001;
@@ skipping 663 matching lines @@
       num_vertices, buffer_id, GL_NO_ERROR);
 }
 
 void GLES2DecoderWithShaderTestBase::SetUp() {
   GLES2DecoderTestBase::SetUp();
   SetupDefaultProgram();
 }
 
 }  // namespace gles2
 }  // namespace gpu