C++ (Cpp) RenderContext::AsGraphics Examples

Example #1

File: Blend.cpp Project: petiaccja/Inline-Engine

void Blend::Execute(RenderContext& context) {
	gxeng::GraphicsCommandList& commandList = context.AsGraphics();

	auto* pRTV = &m_blendDest;
	commandList.SetResourceState(pRTV->GetResource(), gxapi::eResourceState::RENDER_TARGET);
	commandList.SetRenderTargets(1, &pRTV);

	gxapi::Rectangle rect{ 0, (int)pRTV->GetResource().GetHeight(), 0, (int)pRTV->GetResource().GetWidth() };
	gxapi::Viewport viewport;
	viewport.width = (float)rect.right;
	viewport.height = (float)rect.bottom;
	viewport.topLeftX = 0;
	viewport.topLeftY = 0;
	viewport.minDepth = 0.0f;
	viewport.maxDepth = 1.0f;
	commandList.SetScissorRects(1, &rect);
	commandList.SetViewports(1, &viewport);

	commandList.SetPipelineState(m_PSO.get());
	commandList.SetGraphicsBinder(&m_binder);
	commandList.SetPrimitiveTopology(gxapi::ePrimitiveTopology::TRIANGLELIST);


	commandList.SetResourceState(const_cast<Texture2D&>(m_blendSrc.GetResource()), { gxapi::eResourceState::PIXEL_SHADER_RESOURCE, gxapi::eResourceState::NON_PIXEL_SHADER_RESOURCE });
	commandList.BindGraphics(m_tex0Param, m_blendSrc);

	commandList.SetPrimitiveTopology(gxapi::ePrimitiveTopology::TRIANGLESTRIP);
	commandList.DrawInstanced(4);
}

Example #2

File: Node_BrightLumPass.cpp Project: swordlegend/Inline-Engine

void BrightLumPass::Execute(RenderContext& context) {
	GraphicsCommandList& commandList = context.AsGraphics();

	Uniforms uniformsCBData;

	//DebugDrawManager::GetInstance().AddSphere(m_camera->GetPosition() + m_camera->GetLookDirection() * 5, 1, 1);

	//TODO get from somewhere
	uniformsCBData.bright_pass_threshold = 0.8f;

	//create single-frame only cb
	/*gxeng::VolatileConstBuffer cb = context.CreateVolatileConstBuffer(&uniformsCBData, sizeof(Uniforms));
	cb.SetName("Bright Lum pass volatile CB");
	gxeng::ConstBufferView cbv = context.CreateCbv(cb, 0, sizeof(Uniforms));
	*/

	commandList.SetResourceState(m_bright_pass_rtv.GetResource(), gxapi::eResourceState::RENDER_TARGET);
	commandList.SetResourceState(m_luminance_rtv.GetResource(), gxapi::eResourceState::RENDER_TARGET);
	commandList.SetResourceState(m_inputTexSrv.GetResource(), { gxapi::eResourceState::PIXEL_SHADER_RESOURCE, gxapi::eResourceState::NON_PIXEL_SHADER_RESOURCE });

	RenderTargetView2D* pRTV[] = { &m_bright_pass_rtv, &m_luminance_rtv };
	commandList.SetRenderTargets(2, pRTV, 0);

	gxapi::Rectangle rect{ 0, (int)m_bright_pass_rtv.GetResource().GetHeight(), 0, (int)m_bright_pass_rtv.GetResource().GetWidth() };
	gxapi::Viewport viewport;
	viewport.width = (float)rect.right;
	viewport.height = (float)rect.bottom;
	viewport.topLeftX = 0;
	viewport.topLeftY = 0;
	viewport.minDepth = 0.0f;
	viewport.maxDepth = 1.0f;
	commandList.SetScissorRects(1, &rect);
	commandList.SetViewports(1, &viewport);

	commandList.SetPipelineState(m_PSO.get());
	commandList.SetGraphicsBinder(&m_binder.value());
	commandList.SetPrimitiveTopology(gxapi::ePrimitiveTopology::TRIANGLELIST);

	commandList.SetPipelineState(m_PSO.get());
	commandList.SetGraphicsBinder(&m_binder.value());
	commandList.BindGraphics(m_inputTexBindParam, m_inputTexSrv);
	commandList.BindGraphics(m_uniformsBindParam, &uniformsCBData, sizeof(Uniforms));

	commandList.SetPrimitiveTopology(gxapi::ePrimitiveTopology::TRIANGLESTRIP);
	commandList.DrawInstanced(4);
}

Example #3

File: Node_DepthPrepass.cpp Project: swordlegend/Inline-Engine

void DepthPrepass::Execute(RenderContext & context) {
	if (!m_entities) {
		return;
	}

	auto& commandList = context.AsGraphics();
	commandList.SetResourceState(m_targetDsv.GetResource(), gxapi::eResourceState::DEPTH_WRITE);
	commandList.SetRenderTargets(0, nullptr, &m_targetDsv);

	gxapi::Rectangle rect{ 0, (int)m_targetDsv.GetResource().GetHeight(), 0, (int)m_targetDsv.GetResource().GetWidth() };
	gxapi::Viewport viewport;
	viewport.width = (float)rect.right;
	viewport.height = (float)rect.bottom;
	viewport.topLeftX = 0;
	viewport.topLeftY = 0;
	viewport.minDepth = 0.0f;
	viewport.maxDepth = 1.0f;
	commandList.SetScissorRects(1, &rect);
	commandList.SetViewports(1, &viewport);

	commandList.SetResourceState(m_targetDsv.GetResource(), gxapi::eResourceState::DEPTH_WRITE);
	commandList.ClearDepthStencil(m_targetDsv, 1, 0, 0, nullptr, true, true);

	commandList.SetPipelineState(m_PSO.get());
	commandList.SetGraphicsBinder(&m_binder.value());
	commandList.SetPrimitiveTopology(gxapi::ePrimitiveTopology::TRIANGLELIST);

	Mat44 view = m_camera->GetViewMatrix();
	Mat44 projection = m_camera->GetProjectionMatrix();

	auto viewProjection = view * projection;

	std::vector<const gxeng::VertexBuffer*> vertexBuffers;
	std::vector<unsigned> sizes;
	std::vector<unsigned> strides;

	// Iterate over all entities
	for (const MeshEntity* entity : *m_entities) {
		// Get entity parameters
		Mesh* mesh = entity->GetMesh();
		auto position = entity->GetPosition();

		// Draw mesh
		if (!CheckMeshFormat(*mesh)) {
			assert(false);
			continue;
		}

		ConvertToSubmittable(mesh, vertexBuffers, sizes, strides);

		auto MVP = entity->GetTransform() * viewProjection;

		Mat44_Packed transformCBData;
		transformCBData = MVP;

		commandList.BindGraphics(m_transformBindParam, &transformCBData, sizeof(transformCBData));

		for (auto& vb : vertexBuffers) {
			commandList.SetResourceState(*vb, gxapi::eResourceState::VERTEX_AND_CONSTANT_BUFFER);
		}
		commandList.SetResourceState(mesh->GetIndexBuffer(), gxapi::eResourceState::INDEX_BUFFER);

		commandList.SetVertexBuffers(0, (unsigned)vertexBuffers.size(), vertexBuffers.data(), sizes.data(), strides.data());
		commandList.SetIndexBuffer(&mesh->GetIndexBuffer(), mesh->IsIndexBuffer32Bit());
		commandList.DrawIndexedInstanced((unsigned)mesh->GetIndexBuffer().GetIndexCount());
	}
}