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WIP: Do changes for Shader Passes in custom_material_resource #604

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WIP: Do changes for Shader Passes in custom_material_resource #604

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f3c74d1
WIP: Do changes for Shader Passes in custom_material_resource
NehaGujar1 Jan 27, 2023
409ad3f
Complete ImGui changes for Shader Passes
NehaGujar1 Feb 19, 2023
8d0b17f
Clean code commit
NehaGujar1 Feb 20, 2023
4890c33
Complete shader passes implementation ImGui
NehaGujar1 Feb 20, 2023
48c5074
Remove clang-format errors
NehaGujar1 Feb 20, 2023
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33 changes: 33 additions & 0 deletions rootex/core/renderer/rendering_device.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -354,6 +354,39 @@ void RenderingDevice::createOffScreenViews(int width, int height)
GFX_ERR_CHECK(m_Device->CreateShaderResourceView(m_OffScreenTexture.Get(), &shaderResourceViewDesc, &m_OffScreenSRV));
}

void RenderingDevice::createShaderPasses(int width, int height)
{
D3D11_TEXTURE2D_DESC bufferTexture;
ZeroMemory(&bufferTexture, sizeof(bufferTexture));
bufferTexture.Width = width;
bufferTexture.Height = height;
bufferTexture.MipLevels = 1;
bufferTexture.ArraySize = 1;
bufferTexture.Format = DXGI_FORMAT_R32G32B32A32_FLOAT;
bufferTexture.SampleDesc.Count = 1;
bufferTexture.Usage = D3D11_USAGE_DEFAULT;
bufferTexture.BindFlags = D3D11_BIND_RENDER_TARGET | D3D11_BIND_SHADER_RESOURCE;
bufferTexture.CPUAccessFlags = 0;
bufferTexture.MiscFlags = 0;

GFX_ERR_CHECK(m_DeviceBg->CreateTexture2D(&bufferTexture, NULL, &m_ShaderPass));

D3D11_RENDER_TARGET_VIEW_DESC renderTargetViewBuffer;
renderTargetViewBuffer.Format = bufferTexture.Format;
renderTargetViewBuffer.ViewDimension = D3D11_RTV_DIMENSION_TEXTURE2D;
renderTargetViewBuffer.Texture2D.MipSlice = 0;
//enable a scene to be rendered to a temporary intermediate buffer, rather than to the back buffer to be rendered to the screen
GFX_ERR_CHECK(m_DeviceBg->CreateRenderTargetView(m_ShaderPass.Get(), &renderTargetViewBuffer, &m_ShaderPassRTV));

D3D11_SHADER_RESOURCE_VIEW_DESC shaderResourceViewBuffer;
shaderResourceViewBuffer.Format = bufferTexture.Format;
shaderResourceViewBuffer.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE2D;
shaderResourceViewBuffer.Texture2D.MostDetailedMip = 0;
shaderResourceViewBuffer.Texture2D.MipLevels = 1;
//typically wrap textures in a format that the shaders can access them
GFX_ERR_CHECK(m_DeviceBg->CreateShaderResourceView(m_ShaderPass.Get(), &shaderResourceViewBuffer, &m_ShaderPassSRV));
}

void RenderingDevice::createSwapChainAndRTVs(int width, int height, const HWND& hWnd)
{
DXGI_SWAP_CHAIN_DESC sd = { 0 };
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6 changes: 6 additions & 0 deletions rootex/core/renderer/rendering_device.h
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Expand Up @@ -47,6 +47,11 @@ class RenderingDevice
Microsoft::WRL::ComPtr<ID3D11RenderTargetView> m_OffScreenRTV;
Microsoft::WRL::ComPtr<ID3D11ShaderResourceView> m_OffScreenSRV;

Microsoft::WRL::ComPtr<ID3D11Device> m_DeviceBg;
Microsoft::WRL::ComPtr<ID3D11Texture2D> m_ShaderPass;
Microsoft::WRL::ComPtr<ID3D11RenderTargetView> m_ShaderPassRTV;
Microsoft::WRL::ComPtr<ID3D11ShaderResourceView> m_ShaderPassSRV;

Microsoft::WRL::ComPtr<ID3D11DepthStencilState> m_DSState;
UINT m_StencilRef;
Microsoft::WRL::ComPtr<ID3D11DepthStencilState> m_SkyDSState;
Expand Down Expand Up @@ -85,6 +90,7 @@ class RenderingDevice
static RenderingDevice* GetSingleton();
void initialize(HWND hWnd, int width, int height);
void createOffScreenViews(int width, int height);
void createShaderPasses(int width, int height);
/// Create resources which depend on window height and width
void createSwapChainAndRTVs(int width, int height, const HWND& hWnd);
void setScreenState(bool fullscreen);
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