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C++ Waves::TriangleCount方法代码示例

本文整理汇总了C++中Waves::TriangleCount方法的典型用法代码示例。如果您正苦于以下问题：C++ Waves::TriangleCount方法的具体用法？C++ Waves::TriangleCount怎么用？C++ Waves::TriangleCount使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Waves的用法示例。


在下文中一共展示了Waves::TriangleCount方法的6个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: BuildWaveGeometryBuffers

void BlendApp::BuildWaveGeometryBuffers()
{
	// Create the vertex buffer.  Note that we allocate space only, as
	// we will be updating the data every time step of the simulation.

    D3D11_BUFFER_DESC vbd;
    vbd.Usage = D3D11_USAGE_DYNAMIC;
	vbd.ByteWidth = sizeof(Vertex) * mWaves.VertexCount();
    vbd.BindFlags = D3D11_BIND_VERTEX_BUFFER;
    vbd.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
    vbd.MiscFlags = 0;
    HR(md3dDevice->CreateBuffer(&vbd, 0, &mWavesVB));


	// Create the index buffer.  The index buffer is fixed, so we only 
	// need to create and set once.

	std::vector<UINT> indices(3*mWaves.TriangleCount()); // 3 indices per face

	// Iterate over each quad.
	UINT m = mWaves.RowCount();
	UINT n = mWaves.ColumnCount();
	int k = 0;
	for(UINT i = 0; i < m-1; ++i)
	{
		for(DWORD j = 0; j < n-1; ++j)
		{
			indices[k]   = i*n+j;
			indices[k+1] = i*n+j+1;
			indices[k+2] = (i+1)*n+j;

			indices[k+3] = (i+1)*n+j;
			indices[k+4] = i*n+j+1;
			indices[k+5] = (i+1)*n+j+1;

			k += 6; // next quad
		}
	}

	D3D11_BUFFER_DESC ibd;
    ibd.Usage = D3D11_USAGE_IMMUTABLE;
	ibd.ByteWidth = sizeof(UINT) * indices.size();
    ibd.BindFlags = D3D11_BIND_INDEX_BUFFER;
    ibd.CPUAccessFlags = 0;
    ibd.MiscFlags = 0;
    D3D11_SUBRESOURCE_DATA iinitData;
    iinitData.pSysMem = &indices[0];
    HR(md3dDevice->CreateBuffer(&ibd, &iinitData, &mWavesIB));
}
开发者ID:fxyyoung，项目名称:HyperEngine，代码行数:49，代码来源:BlendDemo.cpp

示例2: BuildWavesBuffers

void LightDemo::BuildWavesBuffers()
{
    // Create the vertex buffer.  Note that we allocate space only, as
	// we will be updating the data every time step of the simulation.

    D3D11_BUFFER_DESC vbd;
    vbd.Usage = D3D11_USAGE_DYNAMIC; //Dynamic instead of Immutable
    vbd.ByteWidth = sizeof(Vertex) * m_waves.VertexCount();
    vbd.BindFlags = D3D11_BIND_VERTEX_BUFFER;
    vbd.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE; //Write access since it's dynamic
    vbd.MiscFlags = 0;
    //No data is passed because we will set it at each frame
    HR(m_dxDevice->CreateBuffer(&vbd, 0, m_wavesVB.GetAddressOf()));

	// Create the index buffer.  The index buffer is fixed, so we only 
	// need to create and set once.
	std::vector<uint32> indices(3*m_waves.TriangleCount()); // 3 indices per face

	// Iterate over each quad.
	uint32 m = m_waves.RowCount();
	uint32 n = m_waves.ColumnCount();
	int k = 0;
	for(uint32 i = 0; i < m-1; ++i)
	{
		for(uint32 j = 0; j < n-1; ++j)
		{
			indices[k]   = i*n+j;
			indices[k+1] = i*n+j+1;
			indices[k+2] = (i+1)*n+j;

			indices[k+3] = (i+1)*n+j;
			indices[k+4] = i*n+j+1;
			indices[k+5] = (i+1)*n+j+1;

			k += 6; // next quad
		}
	}

	D3D11_BUFFER_DESC ibd;
    ibd.Usage = D3D11_USAGE_IMMUTABLE;
	ibd.ByteWidth = sizeof(uint32) * indices.size();
    ibd.BindFlags = D3D11_BIND_INDEX_BUFFER;
    ibd.CPUAccessFlags = 0;
    ibd.MiscFlags = 0;
    D3D11_SUBRESOURCE_DATA iinitData;
    iinitData.pSysMem = &indices[0];
    HR(m_dxDevice->CreateBuffer(&ibd, &iinitData, m_wavesIB.GetAddressOf()));
}
开发者ID:madmaurice，项目名称:sandbox，代码行数:48，代码来源:LightDemo.cpp

示例3: DrawScene

void BlendApp::DrawScene()
{
	md3dImmediateContext->ClearRenderTargetView(mRenderTargetView, reinterpret_cast<const float*>(&Colors::Silver));
	md3dImmediateContext->ClearDepthStencilView(mDepthStencilView, D3D11_CLEAR_DEPTH|D3D11_CLEAR_STENCIL, 1.0f, 0);

	md3dImmediateContext->IASetInputLayout(mInputLayout);
    md3dImmediateContext->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
 
	float blendFactor[] = {0.0f, 0.0f, 0.0f, 0.0f};

	UINT stride = sizeof(Vertex);
    UINT offset = 0;
 
	XMMATRIX view  = XMLoadFloat4x4(&mView);
	XMMATRIX proj  = XMLoadFloat4x4(&mProj);
	XMMATRIX viewProj = view*proj;

	mConstStruct.gEyePosW = mEyePosW;

	md3dImmediateContext->IASetVertexBuffers(0, 1, &mBoxVB, &stride, &offset);
	md3dImmediateContext->IASetIndexBuffer(mBoxIB, DXGI_FORMAT_R32_UINT, 0);

	// Set per object constants.
	XMMATRIX world = XMLoadFloat4x4(&mBoxWorld);
	XMMATRIX worldInvTranspose = MathHelper::InverseTranspose(world);
	XMMATRIX worldViewProj = world*view*proj;

	mConstStruct.gWorld = XMMatrixTranspose(world);
	mConstStruct.gWorldInvTranspose = XMMatrixTranspose(worldInvTranspose);
	mConstStruct.gWorldViewProj = XMMatrixTranspose(worldViewProj);
	mConstStruct.gTexTransform = XMMatrixTranspose(XMMatrixIdentity());

	md3dImmediateContext->UpdateSubresource(mConstBuffer, 0, NULL, &mConstStruct, 0, 0);

	md3dImmediateContext->VSSetShader(mVertexShader, NULL, 0);
	md3dImmediateContext->VSSetConstantBuffers(0, 1, &mConstBuffer);
	md3dImmediateContext->PSSetShader(mPixelShader, NULL, 0);
	md3dImmediateContext->PSSetConstantBuffers(0, 1, &mConstBuffer);
	
	md3dImmediateContext->RSSetState(RenderStates::NoCullRS);
	
	md3dImmediateContext->PSSetShaderResources(0, 1, &mBoxMapSRV);
	md3dImmediateContext->DrawIndexed(36, 0, 0);

	// Restore default render state.
	md3dImmediateContext->RSSetState(0);
		

	//
	// Draw the hills.
	//
	md3dImmediateContext->IASetVertexBuffers(0, 1, &mLandVB, &stride, &offset);
	md3dImmediateContext->IASetIndexBuffer(mLandIB, DXGI_FORMAT_R32_UINT, 0);

	// Set per object constants.
	world = XMLoadFloat4x4(&mLandWorld);
	worldInvTranspose = MathHelper::InverseTranspose(world);
	worldViewProj = world*view*proj;

	mConstStruct.gWorld = XMMatrixTranspose(world);
	mConstStruct.gWorldInvTranspose = XMMatrixTranspose(worldInvTranspose);
	mConstStruct.gWorldViewProj = XMMatrixTranspose(worldViewProj);
	mConstStruct.gTexTransform = XMMatrixTranspose(XMLoadFloat4x4(&mGrassTexTransform));
	mConstStruct.gMaterial = mLandMat;

	md3dImmediateContext->PSSetShaderResources(0, 1, &mGrassMapSRV);
	md3dImmediateContext->UpdateSubresource(mConstBuffer, 0, NULL, &mConstStruct, 0, 0);
	md3dImmediateContext->DrawIndexed(mLandIndexCount, 0, 0);

	//
	// Draw the waves.
	//
	md3dImmediateContext->IASetVertexBuffers(0, 1, &mWavesVB, &stride, &offset);
	md3dImmediateContext->IASetIndexBuffer(mWavesIB, DXGI_FORMAT_R32_UINT, 0);

	// Set per object constants.
	world = XMLoadFloat4x4(&mWavesWorld);
	worldInvTranspose = MathHelper::InverseTranspose(world);
	worldViewProj = world*view*proj;

	mConstStruct.gWorld = XMMatrixTranspose(world);
	mConstStruct.gWorldInvTranspose = XMMatrixTranspose(worldInvTranspose);
	mConstStruct.gWorldViewProj = XMMatrixTranspose(worldViewProj);
	mConstStruct.gTexTransform = XMMatrixTranspose(XMLoadFloat4x4(&mWaterTexTransform));
	mConstStruct.gMaterial = mWavesMat;

	md3dImmediateContext->PSSetShaderResources(0, 1, &mWavesMapSRV);
	md3dImmediateContext->UpdateSubresource(mConstBuffer, 0, NULL, &mConstStruct, 0, 0);

	md3dImmediateContext->OMSetBlendState(RenderStates::TransparentBS, blendFactor, 0xffffffff);
	md3dImmediateContext->DrawIndexed(3 * mWaves.TriangleCount(), 0, 0);

	// Restore default blend state
	md3dImmediateContext->OMSetBlendState(0, blendFactor, 0xffffffff);
		
	HR(mSwapChain->Present(0, 0));
}
开发者ID:fxyyoung，项目名称:HyperEngine，代码行数:97，代码来源:BlendDemo.cpp

示例4: DrawScene

void LightDemo::DrawScene()
{
    m_dxImmediateContext->ClearRenderTargetView(m_renderTargetView.Get(), reinterpret_cast<const float*>(&oc::Colors::LightSteelBlue));
    m_dxImmediateContext->ClearDepthStencilView(m_depthStencilView.Get(), D3D11_CLEAR_DEPTH|D3D11_CLEAR_STENCIL, 1.0f, 0);

	m_dxImmediateContext->IASetInputLayout(m_inputLayout.Get());
    m_dxImmediateContext->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);

	uint32 stride = sizeof(Vertex);
    uint32 offset = 0;

	// Set constants
	XMMATRIX view  = XMLoadFloat4x4(&m_view);
	XMMATRIX proj  = XMLoadFloat4x4(&m_proj);
	XMMATRIX viewProj  = view*proj;

    // Set per frame constants.
	m_fxDirLight->SetRawValue(&m_dirLight, 0, sizeof(m_dirLight));
	m_fxPointLight->SetRawValue(&m_pointLight, 0, sizeof(m_pointLight));
	m_fxSpotLight->SetRawValue(&m_spotLight, 0, sizeof(m_spotLight));
	m_fxEyePosW->SetRawValue(&m_camPosition, 0, sizeof(m_camPosition));
 
    D3DX11_TECHNIQUE_DESC techDesc;
    m_tech->GetDesc(&techDesc);
    for(uint32 p = 0; p < techDesc.Passes; ++p)
    {
        //Draw the land
        m_dxImmediateContext->IASetVertexBuffers(0, 1, m_landVB.GetAddressOf(), &stride, &offset);
        m_dxImmediateContext->IASetIndexBuffer(m_landIB.Get(), DXGI_FORMAT_R32_UINT, 0);

        //Set per object constants
        XMMATRIX world = XMLoadFloat4x4(&m_landWorld);
        XMMATRIX worldInvTranspose = MathHelper::InverseTranspose(world);
        XMMATRIX worldViewProj = world*viewProj;

		m_fxWorld->SetMatrix(reinterpret_cast<float*>(&world));
		m_fxWorldInvTranspose->SetMatrix(reinterpret_cast<float*>(&worldInvTranspose));
		m_fxWorldViewProj->SetMatrix(reinterpret_cast<float*>(&worldViewProj));
        m_fxMaterial->SetRawValue(&m_landMat, 0, sizeof(m_landMat));

        m_tech->GetPassByIndex(p)->Apply(0, m_dxImmediateContext.Get());
        m_dxImmediateContext->DrawIndexed(m_landIndexCount, 0, 0);

        //Draw the wave
        m_dxImmediateContext->IASetVertexBuffers(0, 1, m_wavesVB.GetAddressOf(), &stride, &offset);
        m_dxImmediateContext->IASetIndexBuffer(m_wavesIB.Get(), DXGI_FORMAT_R32_UINT, 0);

        world = XMLoadFloat4x4(&m_wavesWorld);
        worldInvTranspose = MathHelper::InverseTranspose(world);
        worldViewProj = world*viewProj;

		m_fxWorld->SetMatrix(reinterpret_cast<float*>(&world));
		m_fxWorldInvTranspose->SetMatrix(reinterpret_cast<float*>(&worldInvTranspose));
		m_fxWorldViewProj->SetMatrix(reinterpret_cast<float*>(&worldViewProj));
        m_fxMaterial->SetRawValue(&m_wavesMat, 0, sizeof(m_wavesMat));

        m_tech->GetPassByIndex(p)->Apply(0, m_dxImmediateContext.Get());
        m_dxImmediateContext->DrawIndexed(3*m_waves.TriangleCount(), 0, 0);
    }

	HR(m_swapChain->Present(0, 0));
}
开发者ID:madmaurice，项目名称:sandbox，代码行数:62，代码来源:LightDemo.cpp

示例5: DrawScene


//.........这里部分代码省略.........
   	Effects::BasicFX->SetFogColor(oc::Colors::Silver);
	Effects::BasicFX->SetFogStart(25.0f);
	Effects::BasicFX->SetFogRange(200.0f);

   	ID3DX11EffectTechnique* boxTech = nullptr;
    ID3DX11EffectTechnique* landAndWavesTech = nullptr;

    switch(m_renderOptions)
	{
	case RenderOptions::Lighting:
		boxTech = Effects::BasicFX->Light3Tech;
		landAndWavesTech = Effects::BasicFX->Light3Tech;
		break;
	case RenderOptions::Textures:
		boxTech = Effects::BasicFX->Light3TexAlphaClipTech;
		landAndWavesTech = Effects::BasicFX->Light3TexTech;
		break;
	case RenderOptions::TexturesAndFog:
		boxTech = Effects::BasicFX->Light3TexAlphaClipFogTech;
		landAndWavesTech = Effects::BasicFX->Light3TexFogTech;
		break;
	}
 
    D3DX11_TECHNIQUE_DESC techDesc;
    boxTech->GetDesc(&techDesc);
    for(uint32 p = 0; p < techDesc.Passes; ++p)
    {
        //Draw the box with alpha clipping
        m_dxImmediateContext->IASetVertexBuffers(0, 1, m_boxVB.GetAddressOf(), &stride, &offset);
        m_dxImmediateContext->IASetIndexBuffer(m_boxIB.Get(), DXGI_FORMAT_R32_UINT, 0);

        // Set per object constants.
		XMMATRIX world = XMLoadFloat4x4(&m_boxWorld);
		XMMATRIX worldInvTranspose = MathHelper::InverseTranspose(world);
		XMMATRIX worldViewProj = world*view*proj;
		
		Effects::BasicFX->SetWorld(world);
		Effects::BasicFX->SetWorldInvTranspose(worldInvTranspose);
		Effects::BasicFX->SetWorldViewProj(worldViewProj);
		Effects::BasicFX->SetTexTransform(XMMatrixIdentity());
		Effects::BasicFX->SetMaterial(m_boxMat);
		Effects::BasicFX->SetDiffuseMap(m_boxMapSRV.Get());

        //Disable backface culling to render the crate properly (else the back of the crate won't be rendered)
        m_dxImmediateContext->RSSetState(RenderStates::NoCullRS.Get());
        boxTech->GetPassByIndex(p)->Apply(0, m_dxImmediateContext.Get());
		m_dxImmediateContext->DrawIndexed(36, 0, 0);

		// Restore default render state.
		m_dxImmediateContext->RSSetState(0);
    }

    //Draw the hills and water with texture and fog (no alpha clipping needed)
    landAndWavesTech->GetDesc(&techDesc);
    for(uint32 p = 0; p < techDesc.Passes; ++p)
    {
        //Draw the land
        m_dxImmediateContext->IASetVertexBuffers(0, 1, m_landVB.GetAddressOf(), &stride, &offset);
        m_dxImmediateContext->IASetIndexBuffer(m_landIB.Get(), DXGI_FORMAT_R32_UINT, 0);

        //Set per object constants
        XMMATRIX world = XMLoadFloat4x4(&m_landWorld);
        XMMATRIX worldInvTranspose = MathHelper::InverseTranspose(world);
        XMMATRIX worldViewProj = world*viewProj;

        Effects::BasicFX->SetWorld(world);
		Effects::BasicFX->SetWorldInvTranspose(worldInvTranspose);
		Effects::BasicFX->SetWorldViewProj(worldViewProj);
		Effects::BasicFX->SetTexTransform(XMLoadFloat4x4(&m_grassTexTransform));
        Effects::BasicFX->SetMaterial(m_landMat);
        Effects::BasicFX->SetDiffuseMap(m_grassMapSRV.Get());

        landAndWavesTech->GetPassByIndex(p)->Apply(0, m_dxImmediateContext.Get());
        m_dxImmediateContext->DrawIndexed(m_landIndexCount, 0, 0);

        //Draw the wave
        m_dxImmediateContext->IASetVertexBuffers(0, 1, m_wavesVB.GetAddressOf(), &stride, &offset);
        m_dxImmediateContext->IASetIndexBuffer(m_wavesIB.Get(), DXGI_FORMAT_R32_UINT, 0);

        world = XMLoadFloat4x4(&m_wavesWorld);
        worldInvTranspose = MathHelper::InverseTranspose(world);
        worldViewProj = world*viewProj;

        Effects::BasicFX->SetWorld(world);
		Effects::BasicFX->SetWorldInvTranspose(worldInvTranspose);
		Effects::BasicFX->SetWorldViewProj(worldViewProj);
        Effects::BasicFX->SetTexTransform(XMLoadFloat4x4(&m_waterTexTransform));
        Effects::BasicFX->SetMaterial(m_wavesMat);
        Effects::BasicFX->SetDiffuseMap(m_wavesMapSRV.Get());

        m_dxImmediateContext->OMSetBlendState(RenderStates::TransparentBS.Get(), blendFactor, 0xffffffff);
        landAndWavesTech->GetPassByIndex(p)->Apply(0, m_dxImmediateContext.Get());
        m_dxImmediateContext->DrawIndexed(3*m_waves.TriangleCount(), 0, 0);

		// Restore default blend state
		m_dxImmediateContext->OMSetBlendState(0, blendFactor, 0xffffffff);
    }

	HR(m_swapChain->Present(0, 0));
}
开发者ID:madmaurice，项目名称:sandbox，代码行数:101，代码来源:TreeBillboard.cpp

示例6: DrawScene

void LightingApp::DrawScene()
{
	md3dImmediateContext->ClearRenderTargetView(mRenderTargetView, reinterpret_cast<const float*>(&Colors::LightSteelBlue));
	md3dImmediateContext->ClearDepthStencilView(mDepthStencilView, D3D11_CLEAR_DEPTH | D3D11_CLEAR_STENCIL, 1.0f, 0);

	md3dImmediateContext->IASetInputLayout(mInputLayout);
	md3dImmediateContext->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
	md3dImmediateContext->PSSetShader(mPixelShader, NULL, 0);
	md3dImmediateContext->VSSetShader(mVertexShader, NULL, 0);

	UINT stride = sizeof(Vertex);
	UINT offset = 0;

	XMMATRIX view = XMLoadFloat4x4(&mView);
	XMMATRIX proj = XMLoadFloat4x4(&mProj);
	XMMATRIX viewProj = view*proj;

	// Set per frame constants.
	mFrameConstantBuffer.Data.mDirLight = mDirLight;
	mFrameConstantBuffer.Data.mPointLight = mPointLight;
	mFrameConstantBuffer.Data.mSpotLight = mSpotLight;
	mFrameConstantBuffer.Data.mEyePosW = mEyePosW;

	//
	// Draw the hills.
	//
	md3dImmediateContext->IASetVertexBuffers(0, 1, &mLandVB, &stride, &offset);
	md3dImmediateContext->IASetIndexBuffer(mLandIB, DXGI_FORMAT_R32_UINT, 0);

	// Set per object constants.
	XMMATRIX world = XMLoadFloat4x4(&mLandWorld);
	XMMATRIX worldInvTranspose = MathHelper::InverseTranspose(world);
	XMMATRIX worldViewProj = XMMatrixTranspose(world*view*proj);

	mObjectConstantBuffer.Data.mWorld = mLandWorld;
	XMStoreFloat4x4(&mObjectConstantBuffer.Data.mWorldInvTranspose, worldInvTranspose);
	XMStoreFloat4x4(&mObjectConstantBuffer.Data.mWorldViewProj, worldViewProj);
	mObjectConstantBuffer.Data.mMaterial = mLandMat;

	mObjectConstantBuffer.ApplyChanges(md3dImmediateContext);
	mFrameConstantBuffer.ApplyChanges(md3dImmediateContext);

	ID3D11Buffer* buffer[2] = { mObjectConstantBuffer.Buffer(), mFrameConstantBuffer.Buffer() };
	md3dImmediateContext->VSSetConstantBuffers(0, 1, &buffer[0]);
	md3dImmediateContext->PSSetConstantBuffers(0, 2, buffer);


	md3dImmediateContext->DrawIndexed(mLandIndexCount, 0, 0);

	//
	// Draw the waves.
	//
	md3dImmediateContext->IASetVertexBuffers(0, 1, &mWavesVB, &stride, &offset);
	md3dImmediateContext->IASetIndexBuffer(mWavesIB, DXGI_FORMAT_R32_UINT, 0);

	// Set per object constants.
	world = XMLoadFloat4x4(&mWavesWorld);
	worldInvTranspose = MathHelper::InverseTranspose(world);
	worldViewProj = XMMatrixTranspose(world*view*proj);

	mObjectConstantBuffer.Data.mWorld = mWavesWorld;
	XMStoreFloat4x4(&mObjectConstantBuffer.Data.mWorldInvTranspose, worldInvTranspose);
	XMStoreFloat4x4(&mObjectConstantBuffer.Data.mWorldViewProj, worldViewProj);
	mObjectConstantBuffer.Data.mMaterial = mWavesMat;

	mObjectConstantBuffer.ApplyChanges(md3dImmediateContext);
	mFrameConstantBuffer.ApplyChanges(md3dImmediateContext);

	md3dImmediateContext->VSSetConstantBuffers(0, 1, &buffer[0]);
	md3dImmediateContext->PSSetConstantBuffers(0, 2, buffer);

	md3dImmediateContext->DrawIndexed(3 * mWaves.TriangleCount(), 0, 0);


	HR(mSwapChain->Present(0, 0));
}
开发者ID:neropsys，项目名称:D3D11CodeSet，代码行数:76，代码来源:LightingDemo.cpp


注：本文中的Waves::TriangleCount方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。