DifferentStencilMasksTest.cpp

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Author : Le Hoang Quyen
Date : 2019-11-21 01:19:40
Hash : 6fcc0bb8
Message : Metal: Re-add end2end test configs (running test is still disabled) angle_test_instantiate.cpp & angle_test_instantiate_apple.mm: - Disabled metal platform selection on pre-10.13 mac devices for Bug: angleproject:4153 Explicitly disabled tests on metal: - DifferentStencilMasksTest.DrawWithDifferentMask - PointSpritesTest.PointSizeAboveMaxIsClamped - WebGL2ReadOutsideFramebufferTest.CopyTexSubImage3D This requires the crash fix in http://crrev.com/c/1924101 Bug: angleproject:4153 Bug: angleproject:2634 Change-Id: I95046d731a8ba7414cf1a1f4b6f2940282725872 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1926389 Commit-Queue: Jonah Ryan-Davis <jonahr@google.com> Reviewed-by: Jamie Madill <jmadill@chromium.org> Reviewed-by: Jonah Ryan-Davis <jonahr@google.com>

src/tests/gl_tests/DifferentStencilMasksTest.cpp

//
// Copyright 2015 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.
//
// DifferentStencilMasksTest:
//   Tests the equality between stencilWriteMask and stencilBackWriteMask.
//

#include "test_utils/ANGLETest.h"
#include "test_utils/gl_raii.h"

using namespace angle;

namespace
{
class DifferentStencilMasksTest : public ANGLETest
{
  protected:
    DifferentStencilMasksTest() : mProgram(0)
    {
        setWindowWidth(128);
        setWindowHeight(128);
        setConfigRedBits(8);
        setConfigGreenBits(8);
        setConfigBlueBits(8);
        setConfigAlphaBits(8);
        setConfigDepthBits(24);
        setConfigStencilBits(8);

        setWebGLCompatibilityEnabled(true);
    }

    void testSetUp() override
    {
        mProgram = CompileProgram(essl1_shaders::vs::Zero(), essl1_shaders::fs::Blue());
        ASSERT_NE(0u, mProgram);

        glEnable(GL_STENCIL_TEST);
        ASSERT_GL_NO_ERROR();
    }

    void testTearDown() override
    {
        glDisable(GL_STENCIL_TEST);
        if (mProgram != 0)
            glDeleteProgram(mProgram);
    }

    GLuint mProgram;
};

// Tests that effectively same front and back masks are legal.
TEST_P(DifferentStencilMasksTest, DrawWithSameEffectiveMask)
{
    // 0x00ff and 0x01ff are effectively 0x00ff by being masked by the current stencil bits, 8.
    glStencilMaskSeparate(GL_FRONT, 0x00ff);
    glStencilMaskSeparate(GL_BACK, 0x01ff);

    glUseProgram(mProgram);

    glDrawArrays(GL_TRIANGLES, 0, 3);

    EXPECT_GL_NO_ERROR();
}

// Tests that effectively different front and back masks are illegal.
TEST_P(DifferentStencilMasksTest, DrawWithDifferentMask)
{
    // TODO(hqle): Make this test work for Metal. http://anglebug.com/4134
    ANGLE_SKIP_TEST_IF(IsMetal());

    glStencilMaskSeparate(GL_FRONT, 0x0001);
    glStencilMaskSeparate(GL_BACK, 0x0002);

    glUseProgram(mProgram);

    glDrawArrays(GL_TRIANGLES, 0, 3);

    EXPECT_GL_ERROR(GL_INVALID_OPERATION);
}

// Tests that effectively different front and back masks, without stencil bits, are legal.
TEST_P(DifferentStencilMasksTest, DrawWithDifferentMask_NoStencilBuffer)
{
    GLTexture texture;
    glBindTexture(GL_TEXTURE_2D, texture.get());
    glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 64, 64, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr);

    GLFramebuffer framebuffer;
    glBindFramebuffer(GL_FRAMEBUFFER, framebuffer.get());
    glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, texture.get(), 0);

    glStencilMaskSeparate(GL_FRONT, 0x0001);
    glStencilMaskSeparate(GL_BACK, 0x0002);

    glUseProgram(mProgram);

    glDrawArrays(GL_TRIANGLES, 0, 3);

    EXPECT_GL_NO_ERROR();
}

// Use this to select which configurations (e.g. which renderer, which GLES major version) these
// tests should be run against.
ANGLE_INSTANTIATE_TEST_ES2_AND_ES3(DifferentStencilMasksTest);
}  // anonymous namespace

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

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