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// Copyright 2022 Intel Corporation
// SPDX-License-Identifier: Apache-2.0
#include "ArcballCamera.h"
#include "ospray_testing.h"
#include "rkcommon/utility/random.h"
#include "test_fixture.h"
extern OSPRayEnvironment *ospEnv;
namespace OSPRayTestScenes {
class Interpolation
: public Base,
public ::testing::TestWithParam<std::tuple<bool /*use subd*/,
unsigned int /*attribute*/,
unsigned int /*interpolation*/>>
{
public:
Interpolation();
void SetUp() override;
void PerformRenderTest() override;
protected:
OSPFrameBufferChannel idBuffer{OSP_FB_COLOR};
bool useSubd{false};
unsigned int attribute{0};
unsigned int interpolation{0};
};
Interpolation::Interpolation()
{
samplesPerPixel = 2;
rendererType = "scivis";
auto params = GetParam();
useSubd = std::get<0>(params);
attribute = std::get<1>(params);
interpolation = std::get<2>(params);
if (attribute == 2)
idBuffer = OSP_FB_NORMAL;
}
void Interpolation::SetUp()
{
Base::SetUp();
framebuffer =
cpp::FrameBuffer(imgSize.x, imgSize.y, frameBufferFormat, idBuffer);
instances.clear();
auto builder = ospray::testing::newBuilder("interpolation");
ospray::testing::setParam(builder, "rendererType", rendererType);
ospray::testing::setParam(builder, "useSubd", useSubd);
ospray::testing::setParam(builder, "attribute", attribute);
ospray::testing::setParam(builder, "interpolation", interpolation);
ospray::testing::commit(builder);
world = ospray::testing::buildWorld(builder);
ospray::testing::release(builder);
}
inline uint8_t to_uc(const float f)
{
return 255.f * clamp(f, 0.f, 1.0f);
}
inline uint32_t to_rgba8(const vec3f c)
{
return to_uc(c.x) | (to_uc(c.y) << 8) | (to_uc(c.z) << 16) | 0xff000000;
}
void Interpolation::PerformRenderTest()
{
if (!instances.empty())
world.setParam("instance", cpp::CopiedData(instances));
world.commit();
ArcballCamera arcballCamera(world.getBounds<box3f>(), imgSize);
camera.setParam("position", arcballCamera.eyePos());
camera.setParam("direction", arcballCamera.lookDir());
camera.setParam("up", arcballCamera.upDir());
camera.commit();
renderer.commit();
framebuffer.resetAccumulation();
RenderFrame();
auto *framebuffer_data = (uint32_t *)framebuffer.map(idBuffer);
std::vector<uint32_t> framebufferData(imgSize.product());
for (int i = 0; i < imgSize.product(); i++) {
if (attribute == 2) { // normals
const vec3f normal = ((vec3f *)framebuffer_data)[i];
framebufferData[i] = to_rgba8(0.5f * normal + 0.5f);
} else
framebufferData[i] = framebuffer_data[i];
}
framebuffer.unmap(framebuffer_data);
if (ospEnv->GetDumpImg()) {
EXPECT_EQ(
imageTool->saveTestImage(framebufferData.data()), OsprayStatus::Ok);
} else {
EXPECT_EQ(imageTool->compareImgWithBaseline(framebufferData.data()),
OsprayStatus::Ok);
}
}
// Test Instantiations //////////////////////////////////////////////////////
TEST_P(Interpolation, Interpolation)
{
PerformRenderTest();
}
INSTANTIATE_TEST_SUITE_P(Color,
Interpolation,
::testing::Combine(::testing::Bool(),
::testing::Values(0),
::testing::Values(0, 1, 2, 3)));
INSTANTIATE_TEST_SUITE_P(Texcoord,
Interpolation,
::testing::Combine(
::testing::Bool(), ::testing::Values(1), ::testing::Values(0, 1)));
INSTANTIATE_TEST_SUITE_P(Normal,
Interpolation,
::testing::Combine(::testing::Values(false),
::testing::Values(2),
::testing::Values(0, 1)));
} // namespace OSPRayTestScenes
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