public void Init(string platformPath, string folder64Bit, string folder32Bit)
{
// pre-load native libs
string libFolderBit;
if (IntPtr.Size == 8)
{
libFolderBit = folder64Bit;
}
else if (IntPtr.Size == 4)
{
libFolderBit = folder32Bit;
}
else
{
throw new NotSupportedException("Unsupported bit size: " + IntPtr.Size.ToString());
}
#if RELEASE
const string config = "Release";
#else
const string config = "Debug";
#endif
// load api abstraction (api-instance and hardware-device)
var abstractionDesc = new AbstractionDesc(true);
abstractionDesc.supportedAPIs = new AbstractionAPI[] { AbstractionAPI.D3D12 };
abstractionDesc.deviceDescD3D12.window = window;
abstractionDesc.nativeLibPathD3D12 = Path.Combine(platformPath, @"Shared\Orbital.Video.D3D12.Native\bin", libFolderBit, config);
abstractionDesc.deviceDescVulkan.window = window;
abstractionDesc.nativeLibPathVulkan = Path.Combine(platformPath, @"Shared\Orbital.Video.Vulkan.Native\bin", libFolderBit, config);
if (!Abstraction.InitFirstAvaliable(abstractionDesc, out instance, out device))
{
throw new Exception("Failed to init abstraction");
}
// create command list
commandList = device.CreateCommandList();
// create render pass
var renderPassDesc = new RenderPassDesc()
{
clearColor = true,
clearColorValue = new Vec4(0, .2f, .4f, 1)
};
renderPass = device.CreateRenderPass(renderPassDesc);
// create texture
int textureWidth = 256, textureHeight = 256;
var textureData = new byte[textureWidth * textureHeight * 4];
for (int y = 0; y != textureHeight; ++y)
{
for (int x = 0; x != textureWidth; ++x)
{
int i = (x * 4) + (y * textureWidth * 4);
if (x % 16 <= 7 && y % 16 <= 7)
{
textureData[i + 0] = 0;
textureData[i + 1] = 0;
textureData[i + 2] = 0;
textureData[i + 3] = 0;
}
else
{
textureData[i + 0] = 255;
textureData[i + 1] = 255;
textureData[i + 2] = 255;
textureData[i + 3] = 255;
}
}
}
texture = device.CreateTexture2D(TextureFormat.B8G8R8A8, textureWidth, textureHeight, textureData, TextureMode.GPUOptimized);
// create texture 2
textureWidth = 100;
textureHeight = 100;
textureData = new byte[textureWidth * textureHeight * 4];
for (int y = 0; y != textureHeight; ++y)
{
for (int x = 0; x != textureWidth; ++x)
{
int i = (x * 4) + (y * textureWidth * 4);
if (x % 16 <= 7 && y % 16 <= 7)
{
textureData[i + 0] = 0;
textureData[i + 1] = 0;
textureData[i + 2] = 0;
textureData[i + 3] = 0;
}
else
{
textureData[i + 0] = 255;
textureData[i + 1] = 255;
textureData[i + 2] = 255;
textureData[i + 3] = 255;
}
}
}
texture2 = device.CreateTexture2D(TextureFormat.B8G8R8A8, textureWidth, textureHeight, textureData, TextureMode.GPUOptimized);
// create constant buffer
constantBufferObject = new ConstantBufferObject()
{
offset = .5f,
constrast = .5f
};
constantBuffer = device.CreateConstantBuffer <ConstantBufferObject>(constantBufferObject, ConstantBufferMode.Write);
// load shaders
// TODO: load CS2X compiled ShaderEffect
/*using (var stream = new FileStream("Shader.se", FileMode.Open, FileAccess.Read, FileShare.Read))
* {
* shaderEffect = device.CreateShaderEffect(stream, ShaderEffectSamplerAnisotropy.Default);
* }*/
using (var vsStream = new FileStream("Shaders\\Shader_D3D12.vs", FileMode.Open, FileAccess.Read, FileShare.Read))
using (var psStream = new FileStream("Shaders\\Shader_D3D12.ps", FileMode.Open, FileAccess.Read, FileShare.Read))
{
var vs = new Video.D3D12.Shader((Video.D3D12.Device)device, ShaderType.VS);
var ps = new Video.D3D12.Shader((Video.D3D12.Device)device, ShaderType.PS);
if (!vs.Init(vsStream))
{
throw new Exception("Failed to init VS shader");
}
if (!ps.Init(psStream))
{
throw new Exception("Failed to init PS shader");
}
var desc = new ShaderEffectDesc();
desc.constantBuffers = new ShaderEffectConstantBuffer[1];
desc.constantBuffers[0] = new ShaderEffectConstantBuffer()
{
registerIndex = 0,
usage = ShaderEffectResourceUsage.VS
};
desc.textures = new ShaderEffectTexture[2];
desc.textures[0] = new ShaderEffectTexture()
{
registerIndex = 0,
usage = ShaderEffectResourceUsage.PS
};
desc.textures[1] = new ShaderEffectTexture()
{
registerIndex = 1,
usage = ShaderEffectResourceUsage.PS
};
desc.samplers = new ShaderEffectSampler[1];
desc.samplers[0] = new ShaderEffectSampler()
{
registerIndex = 0,
filter = ShaderEffectSamplerFilter.Default,
anisotropy = ShaderEffectSamplerAnisotropy.Default,
addressU = ShaderEffectSamplerAddress.Wrap,
addressV = ShaderEffectSamplerAddress.Wrap,
addressW = ShaderEffectSamplerAddress.Wrap
};
shaderEffect = device.CreateShaderEffect(vs, ps, null, null, null, desc, true);
}
// create vertex buffer
var vertexBufferLayout = new VertexBufferLayout();
vertexBufferLayout.elements = new VertexBufferLayoutElement[3];
vertexBufferLayout.elements[0] = new VertexBufferLayoutElement()
{
type = VertexBufferLayoutElementType.Float3,
usage = VertexBufferLayoutElementUsage.Position,
streamIndex = 0, usageIndex = 0, byteOffset = 0
};
vertexBufferLayout.elements[1] = new VertexBufferLayoutElement()
{
type = VertexBufferLayoutElementType.RGBAx8,
usage = VertexBufferLayoutElementUsage.Color,
streamIndex = 0, usageIndex = 0, byteOffset = (sizeof(float) * 3)
};
vertexBufferLayout.elements[2] = new VertexBufferLayoutElement()
{
type = VertexBufferLayoutElementType.Float2,
usage = VertexBufferLayoutElementUsage.UV,
streamIndex = 0, usageIndex = 0, byteOffset = (sizeof(float) * 3) + 4
};
var vertices = new Vertex[]
{
new Vertex(new Vec3(-1, -1, 0), Color4.red, new Vec2(0, 0)),
new Vertex(new Vec3(0, 1, 0), Color4.green, new Vec2(.5f, 1)),
new Vertex(new Vec3(1, -1, 0), Color4.blue, new Vec2(1, 0))
};
vertexBuffer = device.CreateVertexBuffer <Vertex>(vertices, vertexBufferLayout, VertexBufferMode.GPUOptimized);
// create render state
var renderStateDesc = new RenderStateDesc()
{
renderPass = renderPass,
shaderEffect = shaderEffect,
constantBuffers = new ConstantBufferBase[1],
textures = new TextureBase[2],
vertexBuffer = vertexBuffer,
vertexBufferTopology = VertexBufferTopology.Triangle
};
renderStateDesc.constantBuffers[0] = constantBuffer;
renderStateDesc.textures[0] = texture;
renderStateDesc.textures[1] = texture2;
renderState = device.CreateRenderState(renderStateDesc, 0);
// print all GPUs this abstraction supports
if (!instance.QuerySupportedAdapters(false, out var adapters))
{
throw new Exception("Failed: QuerySupportedAdapters");
}
foreach (var adapter in adapters)
{
Debug.WriteLine(adapter.name);
}
}