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

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• Hash : 89be29a5
  Author :
  Date : 2017-11-06T14:36:45
  

  ES31: Implement creation and attaching geometry shader on OpenGL
  
  This patch intends to implement the creation of a geometry shader
  and attaching a geometry shader to a program on OpenGL back-ends.
  
  This patch also adds all geometry shader related dEQP-GLES31 test
  failures to deqp_gles31_test_expectations.txt.
  
  BUG=angleproject:1941
  TEST=angle_end2end_tests
  
  Change-Id: Ib0b497030255b15dacd967e48bc59eef0009af46
  Reviewed-on: https://chromium-review.googlesource.com/757979
  Commit-Queue: Jamie Madill <jmadill@chromium.org>
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  

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• src/tests/gl_tests/GeometryShaderTest.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.
  //
  
  // GeometryShaderTest.cpp : Tests of the implementation of geometry shader
  
  #include "test_utils/ANGLETest.h"
  
  using namespace angle;
  
  namespace
  {
  
  class GeometryShaderTest : public ANGLETest
  {
  };
  
  class GeometryShaderTestES3 : public ANGLETest
  {
  };
  
  // Verify that Geometry Shader cannot be created in an OpenGL ES 3.0 context.
  TEST_P(GeometryShaderTestES3, CreateGeometryShaderInES3)
  {
      EXPECT_TRUE(!extensionEnabled("GL_EXT_geometry_shader"));
      GLuint geometryShader = glCreateShader(GL_GEOMETRY_SHADER_EXT);
      EXPECT_EQ(0u, geometryShader);
      EXPECT_GL_ERROR(GL_INVALID_ENUM);
  }
  
  // Verify that Geometry Shader can be created and attached to a program.
  TEST_P(GeometryShaderTest, CreateAndAttachGeometryShader)
  {
      ANGLE_SKIP_TEST_IF(!extensionEnabled("GL_EXT_geometry_shader"));
  
      const std::string &geometryShaderSource =
          R"(#version 310 es
          #extension GL_EXT_geometry_shader : require
          layout (invocations = 3, triangles) in;
          layout (triangle_strip, max_vertices = 3) out;
          in vec4 texcoord[];
          out vec4 o_texcoord;
          void main()
          {
              int n;
              for (n = 0; n < gl_in.length(); n++)
              {
                  gl_Position = gl_in[n].gl_Position;
                  gl_Layer   = gl_InvocationID;
                  o_texcoord = texcoord[n];
                  EmitVertex();
              }
              EndPrimitive();
          })";
  
      GLuint geometryShader = CompileShader(GL_GEOMETRY_SHADER_EXT, geometryShaderSource);
  
      EXPECT_NE(0u, geometryShader);
  
      GLuint programID = glCreateProgram();
      glAttachShader(programID, geometryShader);
  
      glDetachShader(programID, geometryShader);
      glDeleteShader(geometryShader);
      glDeleteProgram(programID);
  
      EXPECT_GL_NO_ERROR();
  }
  
  ANGLE_INSTANTIATE_TEST(GeometryShaderTestES3, ES3_OPENGL(), ES3_OPENGLES(), ES3_D3D11());
  ANGLE_INSTANTIATE_TEST(GeometryShaderTest, ES31_OPENGL(), ES31_OPENGLES(), ES31_D3D11());
  }
  

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