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

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• Hash : 880683b1
  Author :
  Date : 2017-04-12T16:21:55
  

  ES31: Add glGetProgramResourceiv API
  
  Add API entry and validation checks(GLES 3.1 section 7.3).
  Add the first 2 interfaces(PROGRAM_INPUT and PROGRAM_OUTPUT) implementation.
  
  BUG=angleproject:1920
  TEST=angle_end2end_tests:ProgramInterfaceTestES31.*
  
  Change-Id: I50057f7b99f4dc7c23ca87fa9b797ca424f66e3d
  Reviewed-on: https://chromium-review.googlesource.com/475075
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  

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• src/tests/gl_tests/ProgramInterfaceTest.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.
  //
  
  // ProgramInterfaceTest: Tests of program interfaces.
  
  #include "test_utils/ANGLETest.h"
  #include "test_utils/gl_raii.h"
  
  using namespace angle;
  
  namespace
  {
  
  class ProgramInterfaceTestES31 : public ANGLETest
  {
    protected:
      ProgramInterfaceTestES31()
      {
          setWindowWidth(64);
          setWindowHeight(64);
          setConfigRedBits(8);
          setConfigGreenBits(8);
          setConfigBlueBits(8);
          setConfigAlphaBits(8);
      }
  };
  
  // Tests glGetProgramResourceIndex.
  TEST_P(ProgramInterfaceTestES31, GetResourceIndex)
  {
      const std::string &vertexShaderSource =
          "#version 310 es\n"
          "precision highp float;\n"
          "in highp vec4 position;\n"
          "void main()\n"
          "{\n"
          "    gl_Position = position;\n"
          "}";
  
      const std::string &fragmentShaderSource =
          "#version 310 es\n"
          "precision highp float;\n"
          "uniform vec4 color;\n"
          "out vec4 oColor;\n"
          "void main()\n"
          "{\n"
          "    oColor = color;\n"
          "}";
  
      ANGLE_GL_PROGRAM(program, vertexShaderSource, fragmentShaderSource);
  
      GLuint index = glGetProgramResourceIndex(program, GL_PROGRAM_INPUT, "position");
      EXPECT_GL_NO_ERROR();
      EXPECT_NE(GL_INVALID_INDEX, index);
  
      index = glGetProgramResourceIndex(program, GL_PROGRAM_INPUT, "missing");
      EXPECT_GL_NO_ERROR();
      EXPECT_EQ(GL_INVALID_INDEX, index);
  
      index = glGetProgramResourceIndex(program, GL_PROGRAM_OUTPUT, "oColor");
      EXPECT_GL_NO_ERROR();
      EXPECT_NE(GL_INVALID_INDEX, index);
  
      index = glGetProgramResourceIndex(program, GL_PROGRAM_OUTPUT, "missing");
      EXPECT_GL_NO_ERROR();
      EXPECT_EQ(GL_INVALID_INDEX, index);
  
      index = glGetProgramResourceIndex(program, GL_ATOMIC_COUNTER_BUFFER, "missing");
      EXPECT_GL_ERROR(GL_INVALID_ENUM);
  }
  
  // Tests glGetProgramResourceName.
  TEST_P(ProgramInterfaceTestES31, GetResourceName)
  {
      const std::string &vertexShaderSource =
          "#version 310 es\n"
          "precision highp float;\n"
          "in highp vec4 position;\n"
          "void main()\n"
          "{\n"
          "    gl_Position = position;\n"
          "}";
  
      const std::string &fragmentShaderSource =
          "#version 310 es\n"
          "precision highp float;\n"
          "uniform vec4 color;\n"
          "out vec4 oColor[4];\n"
          "void main()\n"
          "{\n"
          "    oColor[0] = color;\n"
          "}";
  
      ANGLE_GL_PROGRAM(program, vertexShaderSource, fragmentShaderSource);
  
      GLuint index = glGetProgramResourceIndex(program, GL_PROGRAM_INPUT, "position");
      EXPECT_GL_NO_ERROR();
      EXPECT_NE(GL_INVALID_INDEX, index);
  
      GLchar name[64];
      GLsizei length;
      glGetProgramResourceName(program, GL_PROGRAM_INPUT, index, sizeof(name), &length, name);
      EXPECT_GL_NO_ERROR();
      EXPECT_EQ(8, length);
      EXPECT_EQ("position", std::string(name));
  
      glGetProgramResourceName(program, GL_PROGRAM_INPUT, index, 4, &length, name);
      EXPECT_GL_NO_ERROR();
      EXPECT_EQ(3, length);
      EXPECT_EQ("pos", std::string(name));
  
      glGetProgramResourceName(program, GL_PROGRAM_INPUT, index, -1, &length, name);
      EXPECT_GL_ERROR(GL_INVALID_VALUE);
  
      glGetProgramResourceName(program, GL_PROGRAM_INPUT, GL_INVALID_INDEX, sizeof(name), &length,
                               name);
      EXPECT_GL_ERROR(GL_INVALID_VALUE);
  
      index = glGetProgramResourceIndex(program, GL_PROGRAM_OUTPUT, "oColor");
      EXPECT_GL_NO_ERROR();
      EXPECT_NE(GL_INVALID_INDEX, index);
  
      glGetProgramResourceName(program, GL_PROGRAM_OUTPUT, index, sizeof(name), &length, name);
      EXPECT_GL_NO_ERROR();
      EXPECT_EQ(9, length);
      EXPECT_EQ("oColor[0]", std::string(name));
  
      glGetProgramResourceName(program, GL_PROGRAM_OUTPUT, index, 8, &length, name);
      EXPECT_GL_NO_ERROR();
      EXPECT_EQ(7, length);
      EXPECT_EQ("oColor[", std::string(name));
  }
  
  // Tests glGetProgramResourceLocation.
  TEST_P(ProgramInterfaceTestES31, GetResourceLocation)
  {
      const std::string &vertexShaderSource =
          "#version 310 es\n"
          "precision highp float;\n"
          "layout(location = 3) in highp vec4 position;\n"
          "in highp vec4 noLocationSpecified;\n"
          "void main()\n"
          "{\n"
          "    gl_Position = position;\n"
          "}";
  
      const std::string &fragmentShaderSource =
          "#version 310 es\n"
          "precision highp float;\n"
          "uniform vec4 color;\n"
          "layout(location = 2) out vec4 oColor[4];\n"
          "void main()\n"
          "{\n"
          "    oColor[0] = color;\n"
          "}";
  
      ANGLE_GL_PROGRAM(program, vertexShaderSource, fragmentShaderSource);
  
      std::array<GLenum, 5> invalidInterfaces = {{GL_UNIFORM_BLOCK, GL_TRANSFORM_FEEDBACK_VARYING,
                                                  GL_BUFFER_VARIABLE, GL_SHADER_STORAGE_BLOCK,
                                                  GL_ATOMIC_COUNTER_BUFFER}};
      GLint location;
      for (auto &invalidInterface : invalidInterfaces)
      {
          location = glGetProgramResourceLocation(program, invalidInterface, "any");
          EXPECT_GL_ERROR(GL_INVALID_ENUM);
          EXPECT_EQ(-1, location);
      }
  
      location = glGetProgramResourceLocation(program, GL_PROGRAM_INPUT, "position");
      EXPECT_GL_NO_ERROR();
      EXPECT_EQ(3, location);
  
      location = glGetProgramResourceLocation(program, GL_PROGRAM_INPUT, "noLocationSpecified");
      EXPECT_GL_NO_ERROR();
      EXPECT_EQ(-1, location);
  
      location = glGetProgramResourceLocation(program, GL_PROGRAM_INPUT, "missing");
      EXPECT_GL_NO_ERROR();
      EXPECT_EQ(-1, location);
  
      location = glGetProgramResourceLocation(program, GL_PROGRAM_OUTPUT, "oColor");
      EXPECT_GL_NO_ERROR();
      EXPECT_EQ(2, location);
      location = glGetProgramResourceLocation(program, GL_PROGRAM_OUTPUT, "oColor[0]");
      EXPECT_GL_NO_ERROR();
      EXPECT_EQ(2, location);
      location = glGetProgramResourceLocation(program, GL_PROGRAM_OUTPUT, "oColor[3]");
      EXPECT_GL_NO_ERROR();
      EXPECT_EQ(5, location);
  }
  
  // Tests glGetProgramResource.
  TEST_P(ProgramInterfaceTestES31, GetResource)
  {
      const std::string &vertexShaderSource =
          "#version 310 es\n"
          "precision highp float;\n"
          "layout(location = 3) in highp vec4 position;\n"
          "void main()\n"
          "{\n"
          "    gl_Position = position;\n"
          "}";
  
      const std::string &fragmentShaderSource =
          "#version 310 es\n"
          "precision highp float;\n"
          "uniform vec4 color;\n"
          "layout(location = 2) out vec4 oColor[4];\n"
          "void main()\n"
          "{\n"
          "    oColor[0] = color;\n"
          "}";
  
      ANGLE_GL_PROGRAM(program, vertexShaderSource, fragmentShaderSource);
  
      GLuint index = glGetProgramResourceIndex(program, GL_PROGRAM_INPUT, "position");
      EXPECT_GL_NO_ERROR();
      EXPECT_NE(GL_INVALID_INDEX, index);
  
      constexpr int kPropCount = 7;
      std::array<GLint, kPropCount> params;
      GLsizei length;
      std::array<GLenum, kPropCount> props = {
          {GL_TYPE, GL_ARRAY_SIZE, GL_LOCATION, GL_NAME_LENGTH, GL_REFERENCED_BY_VERTEX_SHADER,
           GL_REFERENCED_BY_FRAGMENT_SHADER, GL_REFERENCED_BY_COMPUTE_SHADER}};
      glGetProgramResourceiv(program, GL_PROGRAM_INPUT, index, kPropCount, props.data(), kPropCount,
                             &length, params.data());
      EXPECT_GL_NO_ERROR();
      EXPECT_EQ(kPropCount, length);
      EXPECT_EQ(GL_FLOAT_VEC4, params[0]);
      EXPECT_EQ(1, params[1]);
      EXPECT_EQ(3, params[2]);
      EXPECT_EQ(9, params[3]);
      EXPECT_EQ(1, params[4]);
      EXPECT_EQ(0, params[5]);
      EXPECT_EQ(0, params[6]);
  
      index = glGetProgramResourceIndex(program, GL_PROGRAM_OUTPUT, "oColor[0]");
      EXPECT_GL_NO_ERROR();
      EXPECT_NE(index, GL_INVALID_INDEX);
      glGetProgramResourceiv(program, GL_PROGRAM_OUTPUT, index, kPropCount, props.data(),
                             kPropCount - 1, &length, params.data());
      EXPECT_GL_NO_ERROR();
      EXPECT_EQ(kPropCount - 1, length);
      EXPECT_EQ(GL_FLOAT_VEC4, params[0]);
      EXPECT_EQ(4, params[1]);
      EXPECT_EQ(2, params[2]);
      EXPECT_EQ(10, params[3]);
      EXPECT_EQ(0, params[4]);
      EXPECT_EQ(1, params[5]);
  
      GLenum invalidOutputProp = GL_OFFSET;
      glGetProgramResourceiv(program, GL_PROGRAM_OUTPUT, index, 1, &invalidOutputProp, 1, &length,
                             params.data());
      EXPECT_GL_ERROR(GL_INVALID_OPERATION);
  }
  
  ANGLE_INSTANTIATE_TEST(ProgramInterfaceTestES31, ES31_OPENGL(), ES31_D3D11(), ES31_OPENGLES());
  }  // anonymous namespace
  

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