kc3-lang/angle/src/tests/egl_tests/EGLIOSurfaceClientBufferTest.cpp

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• Hash : c7abc080
  Author :
  Date : 2017-07-04T18:28:42
  

  Implement EGL_ANGLE_iosurface_client_buffer
  
  BUG=angleproject:1649
  
  Change-Id: I1e72c31d7c9497ad14039a8d3fb97317ab193cb2
  Reviewed-on: https://chromium-review.googlesource.com/559107
  Reviewed-by: Corentin Wallez <cwallez@chromium.org>
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  Commit-Queue: Corentin Wallez <cwallez@chromium.org>
  

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• src/tests/egl_tests/EGLIOSurfaceClientBufferTest.cpp

• //
  // Copyright 2017 The ANGLE Project Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  //
  //    EGLIOSurfaceClientBufferTest.cpp: tests for the EGL_ANGLE_iosurface_client_buffer extension.
  //
  
  #include "test_utils/ANGLETest.h"
  #include "test_utils/gl_raii.h"
  
  #include <CoreFoundation/CoreFoundation.h>
  #include <IOSurface/IOSurface.h>
  
  #define GL_UNSIGNED_INT_8_8_8_8_REV 0x8367
  
  using namespace angle;
  
  namespace
  {
  
  void AddIntegerValue(CFMutableDictionaryRef dictionary, const CFStringRef key, int32_t value)
  {
      CFNumberRef number = CFNumberCreate(nullptr, kCFNumberSInt32Type, &value);
      CFDictionaryAddValue(dictionary, key, number);
      CFRelease(number);
  }
  
  }  // anonymous namespace
  
  class IOSurfaceClientBufferTest : public ANGLETest
  {
    protected:
      IOSurfaceClientBufferTest() : mConfig(0), mDisplay(nullptr) {}
  
      void SetUp() override
      {
          ANGLETest::SetUp();
  
          mConfig  = getEGLWindow()->getConfig();
          mDisplay = getEGLWindow()->getDisplay();
      }
  
      void TearDown() override { ANGLETest::TearDown(); }
  
      EGLConfig mConfig;
      EGLDisplay mDisplay;
  };
  
  TEST_P(IOSurfaceClientBufferTest, RenderToBGRA8888IOSurface)
  {
      // Create a 1 by 1 BGRA8888 IOSurface
      IOSurfaceRef ioSurface = nullptr;
  
      CFMutableDictionaryRef dict = CFDictionaryCreateMutable(
          kCFAllocatorDefault, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
      AddIntegerValue(dict, kIOSurfaceWidth, 1);
      AddIntegerValue(dict, kIOSurfaceHeight, 1);
      AddIntegerValue(dict, kIOSurfacePixelFormat, 'BGRA');
      AddIntegerValue(dict, kIOSurfaceBytesPerElement, 4);
  
      ioSurface = IOSurfaceCreate(dict);
      CFRelease(dict);
  
      EXPECT_NE(nullptr, ioSurface);
  
      // Make a PBuffer from it using the EGL_ANGLE_iosurface_client_buffer extension
      // clang-format off
      const EGLint attribs[] = {
          EGL_WIDTH,                         1,
          EGL_HEIGHT,                        1,
          EGL_IOSURFACE_PLANE_ANGLE,         0,
          EGL_TEXTURE_TARGET,                EGL_TEXTURE_RECTANGLE_ANGLE,
          EGL_TEXTURE_INTERNAL_FORMAT_ANGLE, GL_BGRA_EXT,
          EGL_TEXTURE_FORMAT,                EGL_TEXTURE_RGBA,
          EGL_TEXTURE_TYPE_ANGLE,            GL_UNSIGNED_BYTE,
          EGL_NONE,                          EGL_NONE,
      };
      // clang-format off
  
      EGLSurface pbuffer = eglCreatePbufferFromClientBuffer(mDisplay, EGL_IOSURFACE_ANGLE, ioSurface, mConfig, attribs);
      EXPECT_NE(EGL_NO_SURFACE, pbuffer);
  
      // Bind and glClear the pbuffer
      GLTexture tex;
      glBindTexture(GL_TEXTURE_RECTANGLE_ANGLE, tex);
      EGLBoolean result = eglBindTexImage(mDisplay, pbuffer, EGL_BACK_BUFFER);
      EXPECT_EGL_TRUE(result);
      EXPECT_EGL_SUCCESS();
  
      GLFramebuffer fbo;
      glBindFramebuffer(GL_FRAMEBUFFER, fbo);
      EXPECT_GL_NO_ERROR();
      glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_RECTANGLE_ANGLE, tex, 0);
      EXPECT_GL_NO_ERROR();
      EXPECT_GLENUM_EQ(glCheckFramebufferStatus(GL_FRAMEBUFFER), GL_FRAMEBUFFER_COMPLETE);
      EXPECT_GL_NO_ERROR();
  
      glClearColor(0, 1, 0, 1);
      EXPECT_GL_NO_ERROR();
      glClear(GL_COLOR_BUFFER_BIT);
      EXPECT_GL_NO_ERROR();
  
      // Unbind pbuffer and check content.
      result = eglReleaseTexImage(mDisplay, pbuffer, EGL_BACK_BUFFER);
      EXPECT_EGL_TRUE(result);
      EXPECT_EGL_SUCCESS();
  
      IOSurfaceLock(ioSurface, kIOSurfaceLockReadOnly, nullptr);
      GLColor color = *reinterpret_cast<const GLColor*>(IOSurfaceGetBaseAddress(ioSurface));
      IOSurfaceUnlock(ioSurface, kIOSurfaceLockReadOnly, nullptr);
  
      CFRelease(ioSurface);
  
      EXPECT_EQ(color, GLColor::green);
  }
  
  ANGLE_INSTANTIATE_TEST(IOSurfaceClientBufferTest, ES3_OPENGL());
  

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