kc3-lang/angle/src/tests/gl_tests/gles1/FramebufferObjectTest.cpp

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• Hash : ccd0b7e1
  Author :
  Date : 2020-11-30T08:37:04
  

  Add support for OES_framebuffer_object extension
  
  Expose OES_framebuffer_object extension for GLES1 contexts.
  
  Bug: angleproject:5401
  Test: FramebufferObjectTest*
  Change-Id: I63b504f580cdab4655b4bfbd3438bcd807b422ea
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2561795
  Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>
  Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  

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• src/tests/gl_tests/gles1/FramebufferObjectTest.cpp

• //
  // Copyright 2020 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.
  //
  
  // FramebufferObjectTest.cpp: Tests basic usage of OES_framebuffer_object extension.
  
  #include "test_utils/ANGLETest.h"
  #include "test_utils/gl_raii.h"
  
  using namespace angle;
  
  class FramebufferObjectTest : public ANGLETest
  {
    protected:
      FramebufferObjectTest()
      {
          setWindowWidth(32);
          setWindowHeight(32);
          setConfigRedBits(8);
          setConfigGreenBits(8);
          setConfigBlueBits(8);
          setConfigAlphaBits(8);
          setConfigDepthBits(24);
      }
  
      void testSetUp() override
      {
          mTexture.reset(new GLTexture());
          glEnable(GL_TEXTURE_2D);
          glBindTexture(GL_TEXTURE_2D, mTexture->get());
      }
  
      void testTearDown() override { mTexture.reset(); }
  
      std::unique_ptr<GLTexture> mTexture;
  };
  
  // Checks that framebuffer object can be used without GL errors.
  TEST_P(FramebufferObjectTest, FramebufferObject)
  {
      GLuint fboId;
      GLint params;
  
      glGenFramebuffersOES(1, &fboId);
      EXPECT_GL_NO_ERROR();
      glIsFramebufferOES(fboId);
      EXPECT_GL_NO_ERROR();
      glBindFramebufferOES(GL_FRAMEBUFFER, fboId);
      EXPECT_GL_NO_ERROR();
  
      glCheckFramebufferStatusOES(GL_FRAMEBUFFER);
      EXPECT_GL_NO_ERROR();
      glGetFramebufferAttachmentParameterivOES(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
                                               GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE, &params);
      EXPECT_GL_NO_ERROR();
  
      glBindFramebuffer(GL_FRAMEBUFFER, 0);
      glDeleteFramebuffersOES(1, &fboId);
      EXPECT_GL_NO_ERROR();
  }
  
  // Checks that texture object can be bound for framebuffer object.
  TEST_P(FramebufferObjectTest, TextureObject)
  {
      GLuint fboId;
  
      glGenFramebuffers(1, &fboId);
      glBindFramebuffer(GL_FRAMEBUFFER, fboId);
      glFramebufferTexture2DOES(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, mTexture->get(),
                                0);
      EXPECT_GL_NO_ERROR();
  
      glBindFramebuffer(GL_FRAMEBUFFER, 0);
      glDeleteFramebuffers(1, &fboId);
  }
  
  // Checks that renderbuffer object can be used and can be bound for framebuffer object.
  TEST_P(FramebufferObjectTest, RenderbufferObject)
  {
      GLuint fboId;
      GLuint rboId;
      GLint params;
  
      glGenFramebuffers(1, &fboId);
      glBindFramebuffer(GL_FRAMEBUFFER, fboId);
  
      glGenRenderbuffersOES(1, &rboId);
      EXPECT_GL_NO_ERROR();
      glIsRenderbufferOES(rboId);
      EXPECT_GL_NO_ERROR();
      glBindRenderbufferOES(GL_RENDERBUFFER, rboId);
      EXPECT_GL_NO_ERROR();
      glRenderbufferStorageOES(GL_RENDERBUFFER, GL_RGBA8, 32, 32);
      EXPECT_GL_NO_ERROR();
  
      glFramebufferRenderbufferOES(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, rboId);
      EXPECT_GL_NO_ERROR();
      glGetRenderbufferParameterivOES(GL_RENDERBUFFER, GL_RENDERBUFFER_WIDTH, &params);
      EXPECT_GL_NO_ERROR();
  
      glBindFramebuffer(GL_FRAMEBUFFER, 0);
      glDeleteFramebuffers(1, &fboId);
      glDeleteRenderbuffersOES(1, &rboId);
      EXPECT_GL_NO_ERROR();
  }
  
  // Checks that generateMipmap can be called without GL errors.
  TEST_P(FramebufferObjectTest, GenerateMipmap)
  {
      constexpr uint32_t kSize = 32;
      std::vector<unsigned char> pixelData(kSize * kSize * 4, 0);
  
      glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 4, 4, 0, GL_RGBA, GL_UNSIGNED_BYTE, pixelData.data());
  
      glGenerateMipmapOES(GL_TEXTURE_2D);
      EXPECT_GL_NO_ERROR();
  }
  
  ANGLE_INSTANTIATE_TEST_ES1(FramebufferObjectTest);

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