void VertexShaderData::PreDraw(ID3D11Device1& device, ID3D11DeviceContext1& context) {
ASSERT(mInputLayout);
ASSERT(mShader);
ASSERT(mVertexBuffer);
ASSERT(mVertexCount > 0);
context.IASetPrimitiveTopology(D3D_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
context.IASetInputLayout(mInputLayout);
context.VSSetShader(mShader, nullptr, 0);
const unsigned int stride = sizeof(VertexData);
const unsigned int offset = 0;
context.IASetVertexBuffers(0, 1, &mVertexBuffer, &stride, &offset);
// Set constant buffers
ID3D11Buffer* const cBuffers[] = { mCBuffer.mBuffer };
mCBuffer.CopyDataToBuffer(device);
context.VSSetConstantBuffers(0, ARRAYSIZE(cBuffers), cBuffers);
}
void DeviceGraphicsDX11Geometry::draw (void)
{
DeviceGraphicsDX11Renderer *renderer = checkedCast<DeviceGraphicsDX11Renderer*>(System::getRenderer());
ID3D11DeviceContext1 *context = renderer->getD3D11Context();
ID3D11Buffer* buffers[D3D11_IA_VERTEX_INPUT_RESOURCE_SLOT_COUNT] = {NULL};
UINT strides[D3D11_IA_VERTEX_INPUT_RESOURCE_SLOT_COUNT] = {0};
UINT offsets[D3D11_IA_VERTEX_INPUT_RESOURCE_SLOT_COUNT] = {0};
// If there are VBO's
if (_normal_stream) {
buffers[ShaderResource::ATTRIB_NORMAL] = _normal_stream->getBuffer();
if (_normal_stream->getFormat() == DeviceGraphicsDX11DataStream::FMT_3_FLOAT) strides[ShaderResource::ATTRIB_NORMAL] = sizeof(DTfloat) * 3;
else if (_normal_stream->getFormat() == DeviceGraphicsDX11DataStream::FMT_2_FLOAT) strides[ShaderResource::ATTRIB_NORMAL] = sizeof(DTfloat) * 2;
else if (_normal_stream->getFormat() == DeviceGraphicsDX11DataStream::FMT_4_FLOAT) strides[ShaderResource::ATTRIB_NORMAL] = sizeof(DTfloat) * 4;
}
if (_color_stream) {
buffers[ShaderResource::ATTRIB_COLOR] = _color_stream->getBuffer();
if (_color_stream->getFormat() == DeviceGraphicsDX11DataStream::FMT_4_FLOAT) strides[ShaderResource::ATTRIB_COLOR] = sizeof(DTfloat) * 4;
else if (_color_stream->getFormat() == DeviceGraphicsDX11DataStream::FMT_3_FLOAT) strides[ShaderResource::ATTRIB_COLOR] = sizeof(DTfloat) * 3;
else if (_color_stream->getFormat() == DeviceGraphicsDX11DataStream::FMT_4_BYTE) strides[ShaderResource::ATTRIB_COLOR] = sizeof(DTubyte) * 4;
}
if (_weights_strength_stream) {
buffers[ShaderResource::ATTRIB_WEIGHTS_STRENGTH] = _weights_strength_stream->getBuffer();
if (_weights_strength_stream->getFormat() == DeviceGraphicsDX11DataStream::FMT_4_FLOAT) strides[ShaderResource::ATTRIB_WEIGHTS_STRENGTH] = sizeof(DTfloat) * 4;
}
if (_weights_index_stream) {
buffers[ShaderResource::ATTRIB_WEIGHTS_INDEX] = _weights_index_stream->getBuffer();
if (_weights_index_stream->getFormat() == DeviceGraphicsDX11DataStream::FMT_4_USHORT) strides[ShaderResource::ATTRIB_WEIGHTS_INDEX] = sizeof(DTushort) * 4;
}
DTint num_units = min2(4,System::getRenderer()->getNumTextureUnits());
for (DTint unit = 0; unit < num_units; ++unit) {
if (_texcoord_stream[unit]) {
buffers[ShaderResource::ATTRIB_TEXCOORD0+unit] = _texcoord_stream[unit]->getBuffer();
if (_texcoord_stream[unit]->getFormat() == DeviceGraphicsDX11DataStream::FMT_2_FLOAT) strides[ShaderResource::ATTRIB_TEXCOORD0+unit] = sizeof(DTfloat) * 2;
else if (_texcoord_stream[unit]->getFormat() == DeviceGraphicsDX11DataStream::FMT_3_FLOAT) strides[ShaderResource::ATTRIB_TEXCOORD0+unit] = sizeof(DTfloat) * 3;
else if (_texcoord_stream[unit]->getFormat() == DeviceGraphicsDX11DataStream::FMT_4_FLOAT) strides[ShaderResource::ATTRIB_TEXCOORD0+unit] = sizeof(DTfloat) * 4;
}
}
if (_vertex_stream) {
buffers[ShaderResource::ATTRIB_POSITION] = _vertex_stream->getBuffer();
if (_vertex_stream->getFormat() == DeviceGraphicsDX11DataStream::FMT_3_FLOAT) strides[ShaderResource::ATTRIB_POSITION] = sizeof(DTfloat) * 3;
else if (_vertex_stream->getFormat() == DeviceGraphicsDX11DataStream::FMT_2_FLOAT) strides[ShaderResource::ATTRIB_POSITION] = sizeof(DTfloat) * 2;
else if (_vertex_stream->getFormat() == DeviceGraphicsDX11DataStream::FMT_4_FLOAT) strides[ShaderResource::ATTRIB_POSITION] = sizeof(DTfloat) * 4;
}
// Bind the streams
context->IASetVertexBuffers(0,ShaderResource::NUM_ATTRIBS,buffers,strides,offsets);
context->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
// draw if there is an index stream
if (_index_stream) {
context->IASetIndexBuffer(_index_stream->getBuffer(), DXGI_FORMAT_R16_UINT, 0);
context->DrawIndexed(_num_faces*3,0,0);
}
}