kc3-lang/angle/src/tests/gl_tests/KTXCompressedTextureTest.cpp

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• Hash : 5c9f676d
  Author :
  Date : 2022-04-28T18:43:38
  

  Basis Universal Texture Experiment
  
  Adding a test to read KTX image data.
  Adding the inlined image data adapted from
  KTX file with ETC1_RGB compressed format.
  
  Bug: angleproject:7250
  Change-Id: I96d704f27875fc01bcd31ac8657627f4e3a71755
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3616109
  Commit-Queue: Yuxin Hu <yuxinhu@google.com>
  Reviewed-by: Chris Forbes <chrisforbes@google.com>
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  

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• src/tests/gl_tests/KTXCompressedTextureTest.cpp

• //
  // Copyright 2022 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.
  //
  
  // KTXCompressedTextureTest.cpp: Tests of reading compressed texture stored in
  // .ktx formats
  
  #include "test_utils/ANGLETest.h"
  #include "test_utils/gl_raii.h"
  
  #include "media/pixel.inc"
  
  using namespace angle;
  
  class KTXCompressedTextureTest : public ANGLETest
  {
    protected:
      KTXCompressedTextureTest()
      {
          setWindowWidth(768);
          setWindowHeight(512);
          setConfigRedBits(8);
          setConfigGreenBits(8);
          setConfigBlueBits(8);
          setConfigAlphaBits(8);
      }
  };
  
  // Verify that ANGLE can store and sample the ETC1 compressed texture stored in
  // KTX container
  TEST_P(KTXCompressedTextureTest, CompressedTexImageETC1)
  {
      ANGLE_SKIP_TEST_IF(!IsGLExtensionEnabled("GL_OES_compressed_ETC1_RGB8_texture"));
      ANGLE_GL_PROGRAM(textureProgram, essl1_shaders::vs::Texture2D(),
                       essl1_shaders::fs::Texture2D());
      glUseProgram(textureProgram);
  
      GLTexture texture;
      glBindTexture(GL_TEXTURE_2D, texture);
      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
      glCompressedTexImage2D(GL_TEXTURE_2D, 0, GL_ETC1_RGB8_OES, ktx_etc1_width, ktx_etc1_height, 0,
                             ktx_etc1_size, ktx_etc1_data);
  
      EXPECT_GL_NO_ERROR();
  
      GLint textureUniformLocation =
          glGetUniformLocation(textureProgram, essl1_shaders::Texture2DUniform());
      glUniform1i(textureUniformLocation, 0);
      drawQuad(textureProgram.get(), essl1_shaders::PositionAttrib(), 0.5f);
  
      EXPECT_GL_NO_ERROR();
  }
  
  ANGLE_INSTANTIATE_TEST_ES2_AND_ES3(KTXCompressedTextureTest);
  

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