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/*------------------------------------------------------------------------
* Vulkan Conformance Tests
* ------------------------
*
* Copyright (c) 2016 The Khronos Group Inc.
* Copyright (c) 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*//*!
* \file
* \brief Scissor tests
*//*--------------------------------------------------------------------*/
#include "vktFragmentOperationsScissorTests.hpp"
#include "vktFragmentOperationsScissorMultiViewportTests.hpp"
#include "vktTestCaseUtil.hpp"
#include "vktTestGroupUtil.hpp"
#include "vktFragmentOperationsMakeUtil.hpp"
#include "vkDefs.hpp"
#include "vkRefUtil.hpp"
#include "vkTypeUtil.hpp"
#include "vkMemUtil.hpp"
#include "vkPrograms.hpp"
#include "vkImageUtil.hpp"
#include "vkCmdUtil.hpp"
#include "vkObjUtil.hpp"
#include "tcuTestLog.hpp"
#include "tcuVector.hpp"
#include "tcuImageCompare.hpp"
#include "deUniquePtr.hpp"
#include "deRandom.hpp"
namespace vkt
{
namespace FragmentOperations
{
using namespace vk;
using de::UniquePtr;
using de::MovePtr;
using tcu::Vec4;
using tcu::Vec2;
using tcu::IVec2;
using tcu::IVec4;
namespace
{
//! What primitives will be drawn by the test case.
enum TestPrimitive
{
TEST_PRIMITIVE_POINTS, //!< Many points.
TEST_PRIMITIVE_LINES, //!< Many short lines.
TEST_PRIMITIVE_TRIANGLES, //!< Many small triangles.
TEST_PRIMITIVE_BIG_LINE, //!< One line crossing the whole render area.
TEST_PRIMITIVE_BIG_TRIANGLE, //!< One triangle covering the whole render area.
};
struct VertexData
{
Vec4 position;
Vec4 color;
};
//! Parameters used by the test case.
struct CaseDef
{
Vec4 renderArea; //!< (ox, oy, w, h), where origin (0,0) is the top-left corner of the viewport. Width and height are in range [0, 1].
Vec4 scissorArea; //!< scissored area (ox, oy, w, h)
TestPrimitive primitive;
};
template<typename T>
inline VkDeviceSize sizeInBytes(const std::vector<T>& vec)
{
return vec.size() * sizeof(vec[0]);
}
VkImageCreateInfo makeImageCreateInfo (const VkFormat format, const IVec2& size, VkImageUsageFlags usage)
{
const VkImageCreateInfo imageParams =
{
VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO, // VkStructureType sType;
DE_NULL, // const void* pNext;
(VkImageCreateFlags)0, // VkImageCreateFlags flags;
VK_IMAGE_TYPE_2D, // VkImageType imageType;
format, // VkFormat format;
makeExtent3D(size.x(), size.y(), 1), // VkExtent3D extent;
1u, // deUint32 mipLevels;
1u, // deUint32 arrayLayers;
VK_SAMPLE_COUNT_1_BIT, // VkSampleCountFlagBits samples;
VK_IMAGE_TILING_OPTIMAL, // VkImageTiling tiling;
usage, // VkImageUsageFlags usage;
VK_SHARING_MODE_EXCLUSIVE, // VkSharingMode sharingMode;
0u, // deUint32 queueFamilyIndexCount;
DE_NULL, // const deUint32* pQueueFamilyIndices;
VK_IMAGE_LAYOUT_UNDEFINED, // VkImageLayout initialLayout;
};
return imageParams;
}
Move<VkPipeline> makeGraphicsPipeline (const DeviceInterface& vk,
const VkDevice device,
const VkPipelineLayout pipelineLayout,
const VkRenderPass renderPass,
const VkShaderModule vertexModule,
const VkShaderModule fragmentModule,
const IVec2 renderSize,
const IVec4 scissorArea, //!< (ox, oy, w, h)
const VkPrimitiveTopology topology)
{
const VkVertexInputBindingDescription vertexInputBindingDescription =
{
0u, // uint32_t binding;
sizeof(VertexData), // uint32_t stride;
VK_VERTEX_INPUT_RATE_VERTEX, // VkVertexInputRate inputRate;
};
const VkVertexInputAttributeDescription vertexInputAttributeDescriptions[] =
{
{
0u, // uint32_t location;
0u, // uint32_t binding;
VK_FORMAT_R32G32B32A32_SFLOAT, // VkFormat format;
0u, // uint32_t offset;
},
{
1u, // uint32_t location;
0u, // uint32_t binding;
VK_FORMAT_R32G32B32A32_SFLOAT, // VkFormat format;
sizeof(Vec4), // uint32_t offset;
},
};
const VkPipelineVertexInputStateCreateInfo vertexInputStateInfo =
{
VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO, // VkStructureType sType;
DE_NULL, // const void* pNext;
(VkPipelineVertexInputStateCreateFlags)0, // VkPipelineVertexInputStateCreateFlags flags;
1u, // uint32_t vertexBindingDescriptionCount;
&vertexInputBindingDescription, // const VkVertexInputBindingDescription* pVertexBindingDescriptions;
DE_LENGTH_OF_ARRAY(vertexInputAttributeDescriptions), // uint32_t vertexAttributeDescriptionCount;
vertexInputAttributeDescriptions, // const VkVertexInputAttributeDescription* pVertexAttributeDescriptions;
};
const VkRect2D scissor =
{
makeOffset2D(scissorArea.x(), scissorArea.y()),
makeExtent2D(scissorArea.z(), scissorArea.w())
};
const std::vector<VkViewport> viewports (1, makeViewport(renderSize));
const std::vector<VkRect2D> scissors (1, scissor);
return vk::makeGraphicsPipeline(vk, // const DeviceInterface& vk
device, // const VkDevice device
pipelineLayout, // const VkPipelineLayout pipelineLayout
vertexModule, // const VkShaderModule vertexShaderModule
DE_NULL, // const VkShaderModule tessellationControlModule
DE_NULL, // const VkShaderModule tessellationEvalModule
DE_NULL, // const VkShaderModule geometryShaderModule
fragmentModule, // const VkShaderModule fragmentShaderModule
renderPass, // const VkRenderPass renderPass
viewports, // const std::vector<VkViewport>& viewports
scissors, // const std::vector<VkRect2D>& scissors
topology, // const VkPrimitiveTopology topology
0u, // const deUint32 subpass
0u, // const deUint32 patchControlPoints
&vertexInputStateInfo); // const VkPipelineVertexInputStateCreateInfo* vertexInputStateCreateInfo
}
inline VertexData makeVertex (const float x, const float y, const Vec4& color)
{
const VertexData data = { Vec4(x, y, 0.0f, 1.0f), color };
return data;
}
std::vector<VertexData> genVertices (const TestPrimitive primitive, const Vec4& renderArea, const Vec4& primitiveColor)
{
std::vector<VertexData> vertices;
de::Random rng (1234);
const float x0 = 2.0f * renderArea.x() - 1.0f;
const float y0 = 2.0f * renderArea.y() - 1.0f;
const float rx = 2.0f * renderArea.z();
const float ry = 2.0f * renderArea.w();
const float size = 0.2f;
switch (primitive)
{
case TEST_PRIMITIVE_POINTS:
for (int i = 0; i < 50; ++i)
{
const float x = x0 + rng.getFloat(0.0f, rx);
const float y = y0 + rng.getFloat(0.0f, ry);
vertices.push_back(makeVertex(x, y, primitiveColor));
}
break;
case TEST_PRIMITIVE_LINES:
for (int i = 0; i < 30; ++i)
{
const float x = x0 + rng.getFloat(0.0f, rx - size);
const float y = y0 + rng.getFloat(0.0f, ry - size);
vertices.push_back(makeVertex(x, y, primitiveColor));
vertices.push_back(makeVertex(x + size, y + size, primitiveColor));
}
break;
case TEST_PRIMITIVE_TRIANGLES:
for (int i = 0; i < 20; ++i)
{
const float x = x0 + rng.getFloat(0.0f, rx - size);
const float y = y0 + rng.getFloat(0.0f, ry - size);
vertices.push_back(makeVertex(x, y, primitiveColor));
vertices.push_back(makeVertex(x + size/2.0f, y + size, primitiveColor));
vertices.push_back(makeVertex(x + size, y, primitiveColor));
}
break;
case TEST_PRIMITIVE_BIG_LINE:
vertices.push_back(makeVertex(x0, y0, primitiveColor));
vertices.push_back(makeVertex(x0 + rx, y0 + ry, primitiveColor));
break;
case TEST_PRIMITIVE_BIG_TRIANGLE:
vertices.push_back(makeVertex(x0, y0, primitiveColor));
vertices.push_back(makeVertex(x0 + rx/2.0f, y0 + ry, primitiveColor));
vertices.push_back(makeVertex(x0 + rx, y0, primitiveColor));
break;
}
return vertices;
}
VkPrimitiveTopology getTopology (const TestPrimitive primitive)
{
switch (primitive)
{
case TEST_PRIMITIVE_POINTS: return VK_PRIMITIVE_TOPOLOGY_POINT_LIST;
case TEST_PRIMITIVE_LINES:
case TEST_PRIMITIVE_BIG_LINE: return VK_PRIMITIVE_TOPOLOGY_LINE_LIST;
case TEST_PRIMITIVE_TRIANGLES:
case TEST_PRIMITIVE_BIG_TRIANGLE: return VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST;
default:
DE_ASSERT(0);
return VK_PRIMITIVE_TOPOLOGY_LAST;
}
}
void zeroBuffer (const DeviceInterface& vk, const VkDevice device, const Allocation& alloc, const VkDeviceSize size)
{
deMemset(alloc.getHostPtr(), 0, static_cast<std::size_t>(size));
flushAlloc(vk, device, alloc);
}
//! Transform from normalized coords to framebuffer space.
inline IVec4 getAreaRect (const Vec4& area, const int width, const int height)
{
return IVec4(static_cast<deInt32>(static_cast<float>(width) * area.x()),
static_cast<deInt32>(static_cast<float>(height) * area.y()),
static_cast<deInt32>(static_cast<float>(width) * area.z()),
static_cast<deInt32>(static_cast<float>(height) * area.w()));
}
void applyScissor (tcu::PixelBufferAccess imageAccess, const Vec4& floatScissorArea, const Vec4& clearColor)
{
const IVec4 scissorRect (getAreaRect(floatScissorArea, imageAccess.getWidth(), imageAccess.getHeight()));
const int sx0 = scissorRect.x();
const int sx1 = scissorRect.x() + scissorRect.z();
const int sy0 = scissorRect.y();
const int sy1 = scissorRect.y() + scissorRect.w();
for (int y = 0; y < imageAccess.getHeight(); ++y)
for (int x = 0; x < imageAccess.getWidth(); ++x)
{
// Fragments outside fail the scissor test.
if (x < sx0 || x >= sx1 || y < sy0 || y >= sy1)
imageAccess.setPixel(clearColor, x, y);
}
}
void initPrograms (SourceCollections& programCollection, const CaseDef caseDef)
{
DE_UNREF(caseDef);
// Vertex shader
{
const bool usePointSize = (caseDef.primitive == TEST_PRIMITIVE_POINTS);
std::ostringstream src;
src << glu::getGLSLVersionDeclaration(glu::GLSL_VERSION_450) << "\n"
<< "\n"
<< "layout(location = 0) in vec4 in_position;\n"
<< "layout(location = 1) in vec4 in_color;\n"
<< "layout(location = 0) out vec4 o_color;\n"
<< "\n"
<< "out gl_PerVertex {\n"
<< " vec4 gl_Position;\n"
<< (usePointSize ? " float gl_PointSize;\n" : "")
<< "};\n"
<< "\n"
<< "void main(void)\n"
<< "{\n"
<< " gl_Position = in_position;\n"
<< (usePointSize ? " gl_PointSize = 1.0;\n" : "")
<< " o_color = in_color;\n"
<< "}\n";
programCollection.glslSources.add("vert") << glu::VertexSource(src.str());
}
// Fragment shader
{
std::ostringstream src;
src << glu::getGLSLVersionDeclaration(glu::GLSL_VERSION_450) << "\n"
<< "\n"
<< "layout(location = 0) in vec4 in_color;\n"
<< "layout(location = 0) out vec4 o_color;\n"
<< "\n"
<< "void main(void)\n"
<< "{\n"
<< " o_color = in_color;\n"
<< "}\n";
programCollection.glslSources.add("frag") << glu::FragmentSource(src.str());
}
}
class ScissorRenderer
{
public:
ScissorRenderer (Context& context, const CaseDef caseDef, const IVec2& renderSize, const VkFormat colorFormat, const Vec4& primitiveColor, const Vec4& clearColor)
: m_renderSize (renderSize)
, m_colorFormat (colorFormat)
, m_colorSubresourceRange (makeImageSubresourceRange(VK_IMAGE_ASPECT_COLOR_BIT, 0u, 1u, 0u, 1u))
, m_primitiveColor (primitiveColor)
, m_clearColor (clearColor)
, m_vertices (genVertices(caseDef.primitive, caseDef.renderArea, m_primitiveColor))
, m_vertexBufferSize (sizeInBytes(m_vertices))
, m_topology (getTopology(caseDef.primitive))
{
const DeviceInterface& vk = context.getDeviceInterface();
const VkDevice device = context.getDevice();
const deUint32 queueFamilyIndex = context.getUniversalQueueFamilyIndex();
Allocator& allocator = context.getDefaultAllocator();
m_colorImage = makeImage(vk, device, makeImageCreateInfo(m_colorFormat, m_renderSize, VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | VK_IMAGE_USAGE_TRANSFER_SRC_BIT));
m_colorImageAlloc = bindImage(vk, device, allocator, *m_colorImage, MemoryRequirement::Any);
m_colorAttachment = makeImageView(vk, device, *m_colorImage, VK_IMAGE_VIEW_TYPE_2D, m_colorFormat, m_colorSubresourceRange);
m_vertexBuffer = makeBuffer(vk, device, makeBufferCreateInfo(m_vertexBufferSize, VK_BUFFER_USAGE_VERTEX_BUFFER_BIT));
m_vertexBufferAlloc = bindBuffer(vk, device, allocator, *m_vertexBuffer, MemoryRequirement::HostVisible);
{
deMemcpy(m_vertexBufferAlloc->getHostPtr(), &m_vertices[0], static_cast<std::size_t>(m_vertexBufferSize));
flushAlloc(vk, device, *m_vertexBufferAlloc);
}
m_vertexModule = createShaderModule (vk, device, context.getBinaryCollection().get("vert"), 0u);
m_fragmentModule = createShaderModule (vk, device, context.getBinaryCollection().get("frag"), 0u);
m_renderPass = makeRenderPass (vk, device, m_colorFormat);
m_framebuffer = makeFramebuffer (vk, device, *m_renderPass, m_colorAttachment.get(),
static_cast<deUint32>(m_renderSize.x()), static_cast<deUint32>(m_renderSize.y()));
m_pipelineLayout = makePipelineLayout (vk, device);
m_cmdPool = createCommandPool (vk, device, VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT, queueFamilyIndex);
m_cmdBuffer = allocateCommandBuffer (vk, device, *m_cmdPool, VK_COMMAND_BUFFER_LEVEL_PRIMARY);
}
void draw (Context& context, const Vec4& scissorAreaFloat, const VkBuffer colorBuffer) const
{
const DeviceInterface& vk = context.getDeviceInterface();
const VkDevice device = context.getDevice();
const VkQueue queue = context.getUniversalQueue();
// New pipeline, because we're modifying scissor (we don't use dynamic state).
const Unique<VkPipeline> pipeline (makeGraphicsPipeline(vk, device, *m_pipelineLayout, *m_renderPass, *m_vertexModule, *m_fragmentModule,
m_renderSize, getAreaRect(scissorAreaFloat, m_renderSize.x(), m_renderSize.y()), m_topology));
beginCommandBuffer(vk, *m_cmdBuffer);
beginRenderPass(vk, *m_cmdBuffer, *m_renderPass, *m_framebuffer, makeRect2D(0, 0, m_renderSize.x(), m_renderSize.y()), m_clearColor);
vk.cmdBindPipeline(*m_cmdBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, *pipeline);
{
const VkDeviceSize vertexBufferOffset = 0ull;
vk.cmdBindVertexBuffers(*m_cmdBuffer, 0u, 1u, &m_vertexBuffer.get(), &vertexBufferOffset);
}
vk.cmdDraw(*m_cmdBuffer, static_cast<deUint32>(m_vertices.size()), 1u, 0u, 0u);
endRenderPass(vk, *m_cmdBuffer);
copyImageToBuffer(vk, *m_cmdBuffer, *m_colorImage, colorBuffer, m_renderSize);
endCommandBuffer(vk, *m_cmdBuffer);
submitCommandsAndWait(vk, device, queue, *m_cmdBuffer);
}
private:
const IVec2 m_renderSize;
const VkFormat m_colorFormat;
const VkImageSubresourceRange m_colorSubresourceRange;
const Vec4 m_primitiveColor;
const Vec4 m_clearColor;
const std::vector<VertexData> m_vertices;
const VkDeviceSize m_vertexBufferSize;
const VkPrimitiveTopology m_topology;
Move<VkImage> m_colorImage;
MovePtr<Allocation> m_colorImageAlloc;
Move<VkImageView> m_colorAttachment;
Move<VkBuffer> m_vertexBuffer;
MovePtr<Allocation> m_vertexBufferAlloc;
Move<VkShaderModule> m_vertexModule;
Move<VkShaderModule> m_fragmentModule;
Move<VkRenderPass> m_renderPass;
Move<VkFramebuffer> m_framebuffer;
Move<VkPipelineLayout> m_pipelineLayout;
Move<VkCommandPool> m_cmdPool;
Move<VkCommandBuffer> m_cmdBuffer;
// "deleted"
ScissorRenderer (const ScissorRenderer&);
ScissorRenderer& operator= (const ScissorRenderer&);
};
tcu::TestStatus test (Context& context, const CaseDef caseDef)
{
const DeviceInterface& vk = context.getDeviceInterface();
const VkDevice device = context.getDevice();
Allocator& allocator = context.getDefaultAllocator();
const IVec2 renderSize (128, 128);
const VkFormat colorFormat = VK_FORMAT_R8G8B8A8_UNORM;
const Vec4 scissorFullArea (0.0f, 0.0f, 1.0f, 1.0f);
const Vec4 primitiveColor (1.0f, 1.0f, 1.0f, 1.0f);
const Vec4 clearColor (0.5f, 0.5f, 1.0f, 1.0f);
const VkDeviceSize colorBufferSize = renderSize.x() * renderSize.y() * tcu::getPixelSize(mapVkFormat(colorFormat));
const Unique<VkBuffer> colorBufferFull (makeBuffer(vk, device, makeBufferCreateInfo(colorBufferSize, VK_BUFFER_USAGE_TRANSFER_DST_BIT)));
const UniquePtr<Allocation> colorBufferFullAlloc (bindBuffer(vk, device, allocator, *colorBufferFull, MemoryRequirement::HostVisible));
const Unique<VkBuffer> colorBufferScissored (makeBuffer(vk, device, makeBufferCreateInfo(colorBufferSize, VK_BUFFER_USAGE_TRANSFER_DST_BIT)));
const UniquePtr<Allocation> colorBufferScissoredAlloc (bindBuffer(vk, device, allocator, *colorBufferScissored, MemoryRequirement::HostVisible));
zeroBuffer(vk, device, *colorBufferFullAlloc, colorBufferSize);
zeroBuffer(vk, device, *colorBufferScissoredAlloc, colorBufferSize);
// Draw
{
const ScissorRenderer renderer (context, caseDef, renderSize, colorFormat, primitiveColor, clearColor);
renderer.draw(context, scissorFullArea, *colorBufferFull);
renderer.draw(context, caseDef.scissorArea, *colorBufferScissored);
}
// Log image
{
invalidateAlloc(vk, device, *colorBufferFullAlloc);
invalidateAlloc(vk, device, *colorBufferScissoredAlloc);
const tcu::ConstPixelBufferAccess resultImage (mapVkFormat(colorFormat), renderSize.x(), renderSize.y(), 1u, colorBufferScissoredAlloc->getHostPtr());
tcu::PixelBufferAccess referenceImage (mapVkFormat(colorFormat), renderSize.x(), renderSize.y(), 1u, colorBufferFullAlloc->getHostPtr());
// Apply scissor to the full image, so we can compare it with the result image.
applyScissor (referenceImage, caseDef.scissorArea, clearColor);
// Images should now match.
if (!tcu::floatThresholdCompare(context.getTestContext().getLog(), "color", "Image compare", referenceImage, resultImage, Vec4(0.02f), tcu::COMPARE_LOG_RESULT))
return tcu::TestStatus::fail("Rendered image is not correct");
}
return tcu::TestStatus::pass("OK");
}
//! \note The ES 2.0 scissoring tests included color/depth/stencil clear cases, but these operations are not affected by scissor test in Vulkan.
//! Scissor is part of the pipeline state and pipeline only affects the drawing commands.
void createTestsInGroup (tcu::TestCaseGroup* scissorGroup)
{
tcu::TestContext& testCtx = scissorGroup->getTestContext();
struct TestSpec
{
const char* name;
const char* description;
CaseDef caseDef;
};
const Vec4 areaFull (0.0f, 0.0f, 1.0f, 1.0f);
const Vec4 areaCropped (0.2f, 0.2f, 0.6f, 0.6f);
const Vec4 areaCroppedMore (0.4f, 0.4f, 0.2f, 0.2f);
const Vec4 areaLeftHalf (0.0f, 0.0f, 0.5f, 1.0f);
const Vec4 areaRightHalf (0.5f, 0.0f, 0.5f, 1.0f);
// Points
{
MovePtr<tcu::TestCaseGroup> primitiveGroup (new tcu::TestCaseGroup(testCtx, "points", ""));
const TestSpec cases[] =
{
{ "inside", "Points fully inside the scissor area", { areaFull, areaFull, TEST_PRIMITIVE_POINTS } },
{ "partially_inside", "Points partially inside the scissor area", { areaFull, areaCropped, TEST_PRIMITIVE_POINTS } },
{ "outside", "Points fully outside the scissor area", { areaLeftHalf, areaRightHalf, TEST_PRIMITIVE_POINTS } },
};
for (int i = 0; i < DE_LENGTH_OF_ARRAY(cases); ++i)
addFunctionCaseWithPrograms(primitiveGroup.get(), cases[i].name, cases[i].description, initPrograms, test, cases[i].caseDef);
scissorGroup->addChild(primitiveGroup.release());
}
// Lines
{
MovePtr<tcu::TestCaseGroup> primitiveGroup (new tcu::TestCaseGroup(testCtx, "lines", ""));
const TestSpec cases[] =
{
{ "inside", "Lines fully inside the scissor area", { areaFull, areaFull, TEST_PRIMITIVE_LINES } },
{ "partially_inside", "Lines partially inside the scissor area", { areaFull, areaCropped, TEST_PRIMITIVE_LINES } },
{ "outside", "Lines fully outside the scissor area", { areaLeftHalf, areaRightHalf, TEST_PRIMITIVE_LINES } },
{ "crossing", "A line crossing the scissor area", { areaFull, areaCroppedMore, TEST_PRIMITIVE_BIG_LINE } },
};
for (int i = 0; i < DE_LENGTH_OF_ARRAY(cases); ++i)
addFunctionCaseWithPrograms(primitiveGroup.get(), cases[i].name, cases[i].description, initPrograms, test, cases[i].caseDef);
scissorGroup->addChild(primitiveGroup.release());
}
// Triangles
{
MovePtr<tcu::TestCaseGroup> primitiveGroup (new tcu::TestCaseGroup(testCtx, "triangles", ""));
const TestSpec cases[] =
{
{ "inside", "Triangles fully inside the scissor area", { areaFull, areaFull, TEST_PRIMITIVE_TRIANGLES } },
{ "partially_inside", "Triangles partially inside the scissor area", { areaFull, areaCropped, TEST_PRIMITIVE_TRIANGLES } },
{ "outside", "Triangles fully outside the scissor area", { areaLeftHalf, areaRightHalf, TEST_PRIMITIVE_TRIANGLES } },
{ "crossing", "A triangle crossing the scissor area", { areaFull, areaCroppedMore, TEST_PRIMITIVE_BIG_TRIANGLE } },
};
for (int i = 0; i < DE_LENGTH_OF_ARRAY(cases); ++i)
addFunctionCaseWithPrograms(primitiveGroup.get(), cases[i].name, cases[i].description, initPrograms, test, cases[i].caseDef);
scissorGroup->addChild(primitiveGroup.release());
}
// Mulit-viewport scissor
{
scissorGroup->addChild(createScissorMultiViewportTests(testCtx));
}
}
} // anonymous
tcu::TestCaseGroup* createScissorTests (tcu::TestContext& testCtx)
{
return createTestGroup(testCtx, "scissor", "Scissor tests", createTestsInGroup);
}
} // FragmentOperations
} // vkt