Function LoadTexture_RGBA8

imgui_tiny_app/Backends_Win.h:269–306

	}

	inline ImTextureID LoadTexture_RGBA8(unsigned char* image_data, int image_width, int image_height) {

		// Create texture
		D3D11_TEXTURE2D_DESC desc;
		ZeroMemory(&desc, sizeof(desc));
		desc.Width = image_width;
		desc.Height = image_height;
		desc.MipLevels = 1;
		desc.ArraySize = 1;
		desc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
		desc.SampleDesc.Count = 1;
		desc.Usage = D3D11_USAGE_DEFAULT;
		desc.BindFlags = D3D11_BIND_SHADER_RESOURCE;
		desc.CPUAccessFlags = 0;

		ID3D11Texture2D* pTexture = NULL;
		D3D11_SUBRESOURCE_DATA subResource;
		subResource.pSysMem = image_data;
		subResource.SysMemPitch = desc.Width * 4;
		subResource.SysMemSlicePitch = 0;
		g_pd3dDevice->CreateTexture2D(&desc, &subResource, &pTexture);

		if (!pTexture) 
			return 0;

		// Create texture view
		D3D11_SHADER_RESOURCE_VIEW_DESC srvDesc;
		ZeroMemory(&srvDesc, sizeof(srvDesc));
		srvDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
		srvDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE2D;
		srvDesc.Texture2D.MipLevels = desc.MipLevels;
		srvDesc.Texture2D.MostDetailedMip = 0;
		ID3D11ShaderResourceView* res = 0;
		g_pd3dDevice->CreateShaderResourceView(pTexture, &srvDesc, &res);
		pTexture->Release();

		return (ImTextureID)(void*)res;
	}

	inline void CleanupTexture(ImTextureID t) {
		((ID3D11ShaderResourceView*)(void*)t)->Release();