Method Begin

SampleFramework11/v1.02/Graphics/SpriteRenderer.cpp:196–229

}

void SpriteRenderer::Begin(ID3D11DeviceContext* deviceContext, FilterMode filterMode, BlendMode blendMode)
{
    _ASSERT(initialized);
    _ASSERT(!context);
    context = deviceContext;

    D3DPERF_BeginEvent(0xFFFFFFFF, L"SpriteRenderer Begin/End");

    // Set the index buffer
    context->IASetIndexBuffer(indexBuffer, DXGI_FORMAT_R16_UINT, 0);

    // Set primitive topology
    context->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);

    ID3D11BlendState* blendState = blendMode == OpaqueBlend ? opaqueBlendState : alphaBlendState;
    ID3D11PixelShader* ps = blendMode == OpaqueBlend ? pixelShaderOpaque : pixelShader;

    // Set the states
    float blendFactor[4] = {1, 1, 1, 1};
    context->RSSetState(rastState);
    context->OMSetBlendState(blendState, blendFactor, 0xFFFFFFFF);
    context->OMSetDepthStencilState(dsState, 0);

    if (filterMode == Linear)
        context->PSSetSamplers(0, 1, &(linearSamplerState.GetInterfacePtr()));
    else if (filterMode == Point)
        context->PSSetSamplers(0, 1, &(pointSamplerState.GetInterfacePtr()));

    // Set the shaders
    context->PSSetShader(ps, nullptr, 0);
    context->GSSetShader(nullptr, nullptr, 0);
    context->DSSetShader(nullptr, nullptr, 0);
    context->HSSetShader(nullptr, nullptr, 0);
}

D3D11_TEXTURE2D_DESC SpriteRenderer::SetPerBatchData(ID3D11ShaderResourceView* texture)
{