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

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• Hash : 5d3d299d
  Author :
  Date : 2024-11-25T16:35:51
  

  Expose the required GLES1.0/1.1 extensions in ANGLE
  
  Exposed below extensions:
  GL_OES_texture_mirrored_repeat
  GL_OES_blend_subtract
  
  Bug: angleproject:380704155
  Change-Id: Ib095f9bfaabda92bb2c588d633f1512e118f066e
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6038450
  Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>
  Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
  

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• src/tests/gl_tests/gles1/TextureParameterTest.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.
  //
  
  // TextureParameterTest.cpp: Tests GLES1-specific usage of glTexParameter.
  
  #include "test_utils/ANGLETest.h"
  #include "test_utils/gl_raii.h"
  
  #include "util/random_utils.h"
  
  #include <stdint.h>
  
  using namespace angle;
  
  class TextureParameterTest : public ANGLETest<>
  {
    protected:
      TextureParameterTest()
      {
          setWindowWidth(32);
          setWindowHeight(32);
          setConfigRedBits(8);
          setConfigGreenBits(8);
          setConfigBlueBits(8);
          setConfigAlphaBits(8);
          setConfigDepthBits(24);
      }
  };
  
  // Initial state check
  TEST_P(TextureParameterTest, InitialState)
  {
      GLint params[4] = {};
  
      glGetTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, params);
      EXPECT_GL_NO_ERROR();
      EXPECT_EQ(GL_NEAREST_MIPMAP_LINEAR, params[0]);
  
      glGetTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, params);
      EXPECT_GL_NO_ERROR();
      EXPECT_EQ(GL_LINEAR, params[0]);
  
      glGetTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, params);
      EXPECT_GL_NO_ERROR();
      EXPECT_EQ(GL_REPEAT, params[0]);
  
      glGetTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, params);
      EXPECT_GL_NO_ERROR();
      EXPECT_EQ(GL_REPEAT, params[0]);
  
      glGetTexParameteriv(GL_TEXTURE_2D, GL_GENERATE_MIPMAP, params);
      EXPECT_GL_NO_ERROR();
      EXPECT_GL_FALSE(params[0]);
  
      glGetTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, params);
      EXPECT_GL_NO_ERROR();
  
      EXPECT_EQ(0, params[0]);
      EXPECT_EQ(0, params[1]);
      EXPECT_EQ(0, params[2]);
      EXPECT_EQ(0, params[3]);
  }
  
  // Negative test: invalid enum / operation
  TEST_P(TextureParameterTest, NegativeEnum)
  {
      // Invalid target (not supported)
      glGetTexParameteriv(GL_TEXTURE_3D, GL_TEXTURE_MIN_FILTER, nullptr);
      EXPECT_GL_ERROR(GL_INVALID_ENUM);
  
      // Invalid parameter name
      glGetTexParameteriv(GL_TEXTURE_2D, 0, nullptr);
      EXPECT_GL_ERROR(GL_INVALID_ENUM);
  
      // Not enough buffer
      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, 3);
      EXPECT_GL_ERROR(GL_INVALID_OPERATION);
  
      // Not supported in GLES1
      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_BASE_LEVEL, 0);
      EXPECT_GL_ERROR(GL_INVALID_ENUM);
  }
  
  // Checks that GLES1-specific texture parameters can be set.
  TEST_P(TextureParameterTest, Set)
  {
      GLint params[4] = {};
  
      glTexParameteri(GL_TEXTURE_2D, GL_GENERATE_MIPMAP, GL_TRUE);
      EXPECT_GL_NO_ERROR();
  
      glGetTexParameteriv(GL_TEXTURE_2D, GL_GENERATE_MIPMAP, params);
      EXPECT_GL_NO_ERROR();
  
      EXPECT_GL_TRUE(params[0]);
  
      GLint cropRect[4] = {10, 20, 30, 40};
  
      glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, cropRect);
      EXPECT_GL_NO_ERROR();
  
      glGetTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, params);
      EXPECT_GL_NO_ERROR();
  
      for (int i = 0; i < 4; i++)
      {
          EXPECT_EQ(cropRect[i], params[i]);
      }
  }
  
  // Make sure we don't improperly cast an int into a float in ANGLE's internals
  TEST_P(TextureParameterTest, IntConversionsAndIntBounds)
  {
      // Test integers that can't be represented as floats, INT_MIN, and INT_MAX
      constexpr GLint kFirstIntThatCannotBeFloat         = 16777217;
      constexpr unsigned int kParameterLength            = 4;
      constexpr std::array<GLint, kParameterLength> crop = {
          -kFirstIntThatCannotBeFloat, kFirstIntThatCannotBeFloat, std::numeric_limits<GLint>::max(),
          std::numeric_limits<GLint>::min()};
      glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop.data());
      std::array<GLint, kParameterLength> cropStored = {0};
      glGetTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, cropStored.data());
      ASSERT_EQ(crop, cropStored);
  }
  
  // Check that texture parameters can be set by glTexParameterx, glTexParameterxv
  // and get by glGetTexParameterxv.
  TEST_P(TextureParameterTest, SetFixedPoint)
  {
      std::array<GLfixed, 4> params = {};
  
      glTexParameterx(GL_TEXTURE_2D, GL_GENERATE_MIPMAP, GL_TRUE);
      EXPECT_GL_NO_ERROR();
  
      glGetTexParameterxv(GL_TEXTURE_2D, GL_GENERATE_MIPMAP, params.data());
      EXPECT_GL_NO_ERROR();
      EXPECT_GL_TRUE(params[0]);
  
      std::array<GLfixed, 4> cropRect = {0x10000, 0x10000, 0x20000, 0x20000};
  
      glTexParameterxv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, cropRect.data());
      EXPECT_GL_NO_ERROR();
  
      glGetTexParameterxv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, params.data());
      EXPECT_GL_NO_ERROR();
      EXPECT_EQ(cropRect, params);
  
      glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
      EXPECT_GL_NO_ERROR();
  
      glGetTexParameterxv(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, params.data());
      EXPECT_GL_NO_ERROR();
      EXPECT_EQ(GL_REPEAT, params[0]);
  
      glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
      EXPECT_GL_NO_ERROR();
  
      glGetTexParameterxv(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, params.data());
      EXPECT_GL_NO_ERROR();
      EXPECT_EQ(GL_LINEAR, params[0]);
  
      if (IsGLExtensionEnabled("GL_OES_texture_mirrored_repeat"))
      {
          glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_MIRRORED_REPEAT);
          EXPECT_GL_NO_ERROR();
      }
      else
      {
          glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_MIRRORED_REPEAT);
          EXPECT_GL_ERROR(GL_INVALID_ENUM);
      }
  }
  
  ANGLE_INSTANTIATE_TEST_ES1(TextureParameterTest);
  

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