light/modules/engine/src/platform/graphics/directx/render_command.cpp

105 lines
2.7 KiB
C++

#include <engine/platform/graphics/directx/render_command.hpp>
#include <engine/platform/graphics/directx/shared_context.hpp>
namespace Light {
dxRenderCommand::dxRenderCommand(Ref<dxSharedContext> sharedContext): m_context(sharedContext)
{
}
void dxRenderCommand::swap_buffers()
{
#ifdef LIGHT_DEBUG
HRESULT hr;
if (FAILED(hr = m_context->get_swap_chain()->Present(1u, 0u)))
{
if (hr == DXGI_ERROR_DEVICE_REMOVED)
{
lt_log(critical, "dxRenderCommand::swap_buffers: DeviceRemoved:");
lt_log(critical, " {}", m_context->get_device()->GetDeviceRemovedReason());
throw dxException(hr, __FILE__, __LINE__);
}
}
#else
m_context->get_swap_chain()->Present(0u, 0u);
#endif
}
void dxRenderCommand::clear_back_buffer(const glm::vec4 &clearColor)
{
m_context->get_device_context()->ClearRenderTargetView(
m_context->get_render_target_view().Get(),
&clearColor[0]
);
}
void dxRenderCommand::draw(unsigned int count)
{
m_context->get_device_context()->draw(count, 0u);
}
void dxRenderCommand::draw_indexed(unsigned int count)
{
m_context->get_device_context()->draw_indexed(count, 0u, 0u);
}
void dxRenderCommand::default_target_framebuffer()
{
m_context->get_device_context()
->OMSetRenderTargets(1, m_context->get_render_target_view().GetAddressOf(), nullptr);
}
void dxRenderCommand::set_viewport(
unsigned int x,
unsigned int y,
unsigned int width,
unsigned int height
)
{
// #todo: maybe call this somewhere else??
set_resolution(width, height);
// create viewport
D3D11_VIEWPORT viewport;
viewport.TopLeftX = x;
viewport.TopLeftY = y;
viewport.Width = width;
viewport.Height = height;
viewport.MinDepth = 0.0f;
viewport.MaxDepth = 1.0f;
// set viewport
m_context->get_device_context()->RSSetViewports(1u, &viewport);
}
void dxRenderCommand::set_resolution(unsigned int width, unsigned int height)
{
HRESULT hr;
// remove render target
ID3D11RenderTargetView *nullViews[] = { nullptr };
m_context->get_device_context()->OMSetRenderTargets(1u, nullViews, nullptr);
m_context->GetRenderTargetViewRef().reset();
// resize buffer
dxc(m_context->get_swap_chain()
->ResizeBuffers(0u, width, height, DXGI_FORMAT_R8G8B8A8_UNORM, NULL));
// create render target
Microsoft::WRL::ComPtr<ID3D11Resource> backBuffer = nullptr;
dxc(m_context->get_swap_chain()->GetBuffer(0u, __uuidof(ID3D11Resource), &backBuffer));
dxc(m_context->get_device()->CreateRenderTargetView(
backBuffer.Get(),
nullptr,
&m_context->GetRenderTargetViewRef()
));
// set render target
m_context->get_device_context()
->OMSetRenderTargets(1u, m_context->get_render_target_view().GetAddressOf(), nullptr);
}
} // namespace Light