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

• Show log

  Commit

• Hash : 361df070
  Author :
  Date : 2017-11-22T09:33:59
  

  ES31: Implement Geometry Shader resource queries on OpenGL
  
  This patch intends to implement all geometry shader related
  resource queries on OpenGL back-ends.
  
  This patch also fixes a memory leak by releasing the geometry
  shader compiler handle in the destructor of the Compiler.
  
  BUG=angleproject:1941, angleproject:2261
  TEST=angle_end2end_tests
  
  Change-Id: Ieb69c162d2fc6c6550e145d1ec7948c3d36d4d15
  Reviewed-on: https://chromium-review.googlesource.com/784552
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  Reviewed-by: Corentin Wallez <cwallez@chromium.org>
  Commit-Queue: Corentin Wallez <cwallez@chromium.org>
  

Download

• 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();
  }
  
  // Verify that all the implementation dependent geometry shader related resource limits meet the
  // requirement of GL_EXT_geometry_shader SPEC.
  TEST_P(GeometryShaderTest, GeometryShaderImplementationDependentLimits)
  {
      ANGLE_SKIP_TEST_IF(!extensionEnabled("GL_EXT_geometry_shader"));
  
      const std::map<GLenum, int> limits = {{GL_MAX_FRAMEBUFFER_LAYERS_EXT, 256},
                                            {GL_MAX_GEOMETRY_UNIFORM_COMPONENTS_EXT, 1024},
                                            {GL_MAX_GEOMETRY_UNIFORM_BLOCKS_EXT, 12},
                                            {GL_MAX_GEOMETRY_INPUT_COMPONENTS_EXT, 64},
                                            {GL_MAX_GEOMETRY_OUTPUT_COMPONENTS_EXT, 64},
                                            {GL_MAX_GEOMETRY_OUTPUT_VERTICES_EXT, 256},
                                            {GL_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS_EXT, 1024},
                                            {GL_MAX_GEOMETRY_TEXTURE_IMAGE_UNITS_EXT, 16},
                                            {GL_MAX_GEOMETRY_ATOMIC_COUNTER_BUFFERS_EXT, 0},
                                            {GL_MAX_GEOMETRY_ATOMIC_COUNTERS_EXT, 0},
                                            {GL_MAX_GEOMETRY_SHADER_STORAGE_BLOCKS_EXT, 0},
                                            {GL_MAX_GEOMETRY_IMAGE_UNIFORMS_EXT, 0},
                                            {GL_MAX_GEOMETRY_SHADER_INVOCATIONS_EXT, 32}};
  
      GLint value;
      for (const auto &limit : limits)
      {
          value = 0;
          glGetIntegerv(limit.first, &value);
          EXPECT_GL_NO_ERROR();
          EXPECT_GE(value, limit.second);
      }
  
      value = 0;
      glGetIntegerv(GL_LAYER_PROVOKING_VERTEX_EXT, &value);
      EXPECT_GL_NO_ERROR();
      EXPECT_TRUE(value == GL_FIRST_VERTEX_CONVENTION_EXT || value == GL_LAST_VERTEX_CONVENTION_EXT ||
                  value == GL_UNDEFINED_VERTEX_EXT);
  }
  
  // Verify that all the combined resource limits meet the requirement of GL_EXT_geometry_shader SPEC.
  TEST_P(GeometryShaderTest, CombinedResourceLimits)
  {
      ANGLE_SKIP_TEST_IF(!extensionEnabled("GL_EXT_geometry_shader"));
  
      // See http://anglebug.com/2261.
      ANGLE_SKIP_TEST_IF(IsAndroid());
  
      const std::map<GLenum, int> limits = {{GL_MAX_UNIFORM_BUFFER_BINDINGS, 48},
                                            {GL_MAX_COMBINED_UNIFORM_BLOCKS, 36},
                                            {GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS, 64}};
  
      GLint value;
      for (const auto &limit : limits)
      {
          value = 0;
          glGetIntegerv(limit.first, &value);
          EXPECT_GL_NO_ERROR();
          EXPECT_GE(value, limit.second);
      }
  }
  
  ANGLE_INSTANTIATE_TEST(GeometryShaderTestES3, ES3_OPENGL(), ES3_OPENGLES(), ES3_D3D11());
  ANGLE_INSTANTIATE_TEST(GeometryShaderTest, ES31_OPENGL(), ES31_OPENGLES(), ES31_D3D11());
  }
  

Download