chromium/third_party/angle/src/tests/gl_tests/FramebufferMultiviewTest.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.
//
// Framebuffer multiview tests:
// The tests modify and examine the multiview state.
//

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

usingnamespaceangle;

namespace
{
std::vector<GLenum> GetDrawBufferRange(size_t numColorAttachments)
{ … }
}  // namespace

// Base class for tests that care mostly about draw call validity and not rendering results.
class FramebufferMultiviewTest : public MultiviewTest
{ … };

class FramebufferMultiviewLayeredClearTest : public FramebufferMultiviewTest
{ … };

// Test that the framebuffer tokens introduced by OVR_multiview2 can be used to query the
// framebuffer state and that their corresponding default values are correctly set.
TEST_P(FramebufferMultiviewTest, DefaultState)
{ … }

// Test that without having the OVR_multiview2 extension, querying for the framebuffer state using
// the OVR_multiview2 tokens results in an INVALID_ENUM error.
TEST_P(FramebufferMultiviewTest, NegativeFramebufferStateQueries)
{ … }

// Test that the correct errors are generated whenever glFramebufferTextureMultiviewOVR is
// called with invalid arguments.
TEST_P(FramebufferMultiviewTest, InvalidMultiviewLayeredArguments)
{ … }

// Test that an INVALID_OPERATION error is generated whenever the OVR_multiview2 extension is not
// available.
TEST_P(FramebufferMultiviewTest, ExtensionNotAvailableCheck)
{ … }

// Test that the active read framebuffer can be read with glCopyTex* if it only has one layered
// view.
TEST_P(FramebufferMultiviewTest, CopyTex)
{ … }

// Test that glBlitFramebuffer succeeds if the current read framebuffer has just one layered view.
TEST_P(FramebufferMultiviewTest, Blit)
{ … }

// Test that glReadPixels succeeds from a layered multiview framebuffer with just one view.
TEST_P(FramebufferMultiviewTest, ReadPixels)
{ … }

// Test that glFramebufferTextureMultiviewOVR modifies the internal multiview state.
TEST_P(FramebufferMultiviewTest, ModifyLayeredState)
{ … }

// Test framebuffer completeness status of a layered framebuffer with color attachments.
TEST_P(FramebufferMultiviewTest, IncompleteViewTargetsLayered)
{ … }

// Test that glClear clears the contents of the color buffer for only the attached layers to a
// layered FBO.
TEST_P(FramebufferMultiviewLayeredClearTest, ColorBufferClear)
{ … }

// Test that glClearBufferfv can be used to clear individual color buffers of a layered FBO.
TEST_P(FramebufferMultiviewLayeredClearTest, ClearIndividualColorBuffer)
{ … }

// Test that glClearBufferfi clears the contents of the stencil buffer for only the attached layers
// to a layered FBO.
TEST_P(FramebufferMultiviewLayeredClearTest, ClearBufferfi)
{ … }

// Test that glClear does not clear the content of a detached texture.
TEST_P(FramebufferMultiviewLayeredClearTest, UnmodifiedDetachedTexture)
{ … }

// Test that glClear clears only the contents within the scissor rectangle of the attached layers.
TEST_P(FramebufferMultiviewLayeredClearTest, ScissoredClear)
{ … }

// Test that glClearBufferfi clears the contents of the stencil buffer for only the attached layers
// to a layered FBO.
TEST_P(FramebufferMultiviewLayeredClearTest, ScissoredClearBufferfi)
{ … }

// Test that detaching an attachment does not generate an error whenever the multi-view related
// arguments are invalid.
TEST_P(FramebufferMultiviewTest, InvalidMultiviewArgumentsOnDetach)
{ … }

// Test that glClear clears the contents of the color buffer whenever all layers of a 2D texture
// array are attached. The test is added because a special fast code path is used for this case.
TEST_P(FramebufferMultiviewLayeredClearTest, ColorBufferClearAllLayersAttached)
{ … }

// Test that attaching a multisampled texture array is not possible if all the required extensions
// are not enabled.
TEST_P(FramebufferMultiviewTest, NegativeMultisampledFramebufferTest)
{ … }

GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(…);
ANGLE_INSTANTIATE_TEST(…);

GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(…);
ANGLE_INSTANTIATE_TEST(…);