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

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• Author : Lingfeng Yang
  Date : 2018-06-08 14:39:29
  Hash : 6c60641d
  Message : GLES1: Multitexture pipeline - Update test expectations BUG=angleproject:2306 Change-Id: I4a0376db1d095d7b14e00a5779631dcf2a6c427c Reviewed-on: https://chromium-review.googlesource.com/1093795 Commit-Queue: Lingfeng Yang <lfy@google.com> Reviewed-by: Geoff Lang <geofflang@chromium.org>

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

• //
  // Copyright 2018 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.
  //
  
  // BasicDrawTest.cpp: Tests basic fullscreen quad draw with and without
  // GL_TEXTURE_2D enabled.
  
  #include "test_utils/ANGLETest.h"
  #include "test_utils/gl_raii.h"
  
  #include <vector>
  
  using namespace angle;
  
  class BasicDrawTest : public ANGLETest
  {
    protected:
      BasicDrawTest()
      {
          setWindowWidth(32);
          setWindowHeight(32);
          setConfigRedBits(8);
          setConfigGreenBits(8);
          setConfigBlueBits(8);
          setConfigAlphaBits(8);
          setConfigDepthBits(24);
      }
  
      std::vector<float> mPositions = {
          -1.0f, -1.0f, 1.0f, -1.0f, -1.0f, 1.0f, -1.0f, 1.0f, 1.0f, -1.0f, 1.0f, 1.0f,
      };
  
      void drawRedQuad()
      {
          glColor4f(1.0f, 0.0f, 0.0f, 1.0f);
          EXPECT_GL_NO_ERROR();
          glEnableClientState(GL_VERTEX_ARRAY);
          EXPECT_GL_NO_ERROR();
          glVertexPointer(2, GL_FLOAT, 0, mPositions.data());
          EXPECT_GL_NO_ERROR();
          glDrawArrays(GL_TRIANGLES, 0, 6);
          EXPECT_GL_NO_ERROR();
          EXPECT_PIXEL_COLOR_EQ(0, 0, GLColor::red);
      }
  };
  
  // Draws a fullscreen quad with a certain color.
  TEST_P(BasicDrawTest, DrawColor)
  {
      drawRedQuad();
  }
  
  // Checks that textures can be enabled or disabled.
  TEST_P(BasicDrawTest, EnableDisableTexture)
  {
      GLuint tex;
      glGenTextures(1, &tex);
      glBindTexture(GL_TEXTURE_2D, tex);
  
      // Green
      GLubyte texture[] = {
          0x00, 0xff, 0x00,
      };
  
      glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 1, 1, 0, GL_RGB, GL_UNSIGNED_BYTE, texture);
  
      // Texturing is disabled; still red;
      drawRedQuad();
  
      glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
  
      // Texturing enabled; is green (provided modulate w/ white)
      glEnable(GL_TEXTURE_2D);
      EXPECT_GL_NO_ERROR();
      glDrawArrays(GL_TRIANGLES, 0, 6);
      EXPECT_PIXEL_COLOR_EQ(0, 0, GLColor::green);
  }
  
  ANGLE_INSTANTIATE_TEST(BasicDrawTest, ES1_D3D11(), ES1_OPENGL(), ES1_OPENGLES());