//----------------------------------------------------------------------------
void PerformanceAMDWindow::CreateScene()
{
struct Vertex
{
Vector3<float> position;
Vector2<float> tcoord;
};
VertexFormat vformat;
vformat.Bind(VA_POSITION, DF_R32G32B32_FLOAT, 0);
vformat.Bind(VA_TEXCOORD, DF_R32G32_FLOAT, 0);
unsigned int const numTriangles = 1024;
unsigned int const numVertices = 3 * numTriangles;
std::shared_ptr<VertexBuffer> vbuffer(new VertexBuffer(vformat,
numVertices));
// Randomly generate positions and texture coordinates.
std::mt19937 mte;
std::uniform_real_distribution<float> unirnd(0.0f, 1.0f);
std::uniform_real_distribution<float> symrnd(-1.0f, 1.0f);
Vertex* vertex = vbuffer->Get<Vertex>();
for (unsigned int i = 0; i < numVertices; ++i)
{
for (int j = 0; j < 3; ++j)
{
vertex[i].position[j] = symrnd(mte);
}
for (int j = 0; j < 2; ++j)
{
vertex[i].tcoord[j] = unirnd(mte);
}
}
// The vertices are not indexed. Each consecutive triple is a triangle.
std::shared_ptr<IndexBuffer> ibuffer(new IndexBuffer(IP_TRIMESH,
numTriangles));
// Use a standard texture effect.
std::shared_ptr<Texture2Effect> effect(new Texture2Effect(
mProgramFactory, mBlurredTexture, SamplerState::MIN_L_MAG_L_MIP_P,
SamplerState::CLAMP, SamplerState::CLAMP));
mPVWMatrix = effect->GetPVWMatrixConstant();
mTriangles.reset(new Visual(vbuffer, ibuffer, effect));
SubscribeCW(mTriangles, mPVWMatrix);
EnableObjectMotion();
}
//----------------------------------------------------------------------------
PlaneMeshIntersectionWindow::PlaneMeshIntersectionWindow(Parameters& parameters)
:
Window(parameters),
mTextColor(0.0f, 0.0f, 0.0f, 1.0f)
{
if (!SetEnvironment() || !CreateScene())
{
parameters.created = false;
return;
}
mCamera.SetFrustum(60.0f, GetAspectRatio(), 0.1f, 100.0f);
Vector4<float> camPosition(0.0f, 0.0f, -2.5f, 1.0f);
Vector4<float> camDVector(0.0f, 0.0f, 1.0f, 0.0f);
Vector4<float> camUVector(0.0f, 1.0f, 0.0f, 0.0f);
Vector4<float> camRVector = Cross(camDVector, camUVector);
mCamera.SetFrame(camPosition, camDVector, camUVector, camRVector);
mPSTarget.reset(new DrawTarget(2, DF_R32G32B32A32_FLOAT, mXSize, mYSize,
true, false, DF_D24_UNORM_S8_UINT, false));
mPSColor = mPSTarget->GetRTTexture(0);
mPSPlaneConstant = mPSTarget->GetRTTexture(1);
mScreen.reset(new Texture2(DF_R32G32B32A32_FLOAT, mXSize, mYSize));
mScreen->SetUsage(Resource::SHADER_OUTPUT);
mScreen->SetCopyType(Resource::COPY_STAGING_TO_CPU);
mOverlay.reset(new OverlayEffect(mXSize, mYSize, mXSize, mYSize,
SamplerState::MIN_P_MAG_P_MIP_P, SamplerState::CLAMP,
SamplerState::CLAMP, true));
mOverlay->SetTexture(mScreen);
mEngine->SetClearColor(Vector4<float>(1.0f, 1.0f, 1.0f,
std::numeric_limits<float>::max()));
mDrawIntersections->Set("color", mPSColor);
mDrawIntersections->Set("planeConstant", mPSPlaneConstant);
mDrawIntersections->Set("output", mScreen);
EnableCameraMotion(0.01f, 0.001f, 2.0f, 2.0f);
EnableObjectMotion();
}
//----------------------------------------------------------------------------
StructuredBuffersWindow::StructuredBuffersWindow(Parameters& parameters)
:
Window(parameters),
mTextColor(0.0f, 0.0f, 0.0f, 1.0f)
{
if (!SetEnvironment() || !CreateScene())
{
parameters.created = false;
return;
}
mCamera.SetFrustum(60.0f, GetAspectRatio(), 0.1f, 100.0f);
Vector4<float> camPosition(0.0f, 0.0f, 1.25f, 1.0f);
Vector4<float> camDVector(0.0f, 0.0f, -1.0f, 0.0f);
Vector4<float> camUVector(0.0f, 1.0f, 0.0f, 0.0f);
Vector4<float> camRVector = Cross(camDVector, camUVector);
mCamera.SetFrame(camPosition, camDVector, camUVector, camRVector);
EnableCameraMotion(0.001f, 0.001f, 2.0f, 2.0f);
EnableObjectMotion();
UpdateCW();
}
