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(AbstractionInitType.DefaultSingleGPU);
abstractionDesc.supportedAPIs = new AbstractionAPI[] { AbstractionAPI.D3D12 };
abstractionDesc.deviceDescD3D12.window = window;
//abstractionDesc.deviceDescD3D12.adapterIndex = 1;
//abstractionDesc.deviceDescD3D12.vSyncMode = SwapChainVSyncMode.VSyncOff;
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 render texture test objects
renderTextureTest = new RenderTextureTest(device);
// create msaa render texture
if (!device.GetMaxMSAALevel(TextureFormat.Default, out var msaaLevel))
{
throw new Exception("Failed to get MSAA level");
}
msaaLevel = MSAALevel.Disabled;
var windowSize = window.GetSize(WindowSizeType.WorkingArea);
renderTextureMSAA = device.CreateRenderTexture2D(windowSize.width, windowSize.height, TextureFormat.Default, RenderTextureUsage.Discard, TextureMode.GPUOptimized, StencilUsage.Discard, DepthStencilFormat.DefaultDepth, DepthStencilMode.GPUOptimized, msaaLevel, false, MultiGPUNodeResourceVisibility.All);
// create command list
commandList = device.CreateRasterizeCommandList();
commandList_Compute = device.CreateComputeCommandList();
// create render pass
var renderPassDesc = RenderPassDesc.CreateDefault(new Color4F(0, .2f, .4f, 1), 1);
//renderPass = device.CreateRenderPass(renderPassDesc, device.swapChain.depthStencil);
renderPass = renderTextureMSAA.CreateRenderPass(renderPassDesc, renderTextureMSAA.GetDepthStencil());
// 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(textureWidth, textureHeight, TextureFormat.B8G8R8A8, textureData, TextureMode.GPUOptimized, MultiGPUNodeResourceVisibility.Self);
// 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(textureWidth, textureHeight, TextureFormat.B8G8R8A8, textureData, TextureMode.GPUOptimized, MultiGPUNodeResourceVisibility.Self);
// 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,
variables = new ShaderVariable[2]
};
desc.constantBuffers[0].variables[0] = new ShaderVariable()
{
name = "constrast",
type = ShaderVariableType.Float
};
desc.constantBuffers[0].variables[1] = new ShaderVariable()
{
name = "camera",
type = ShaderVariableType.Float4x4
};
desc.textures = new ShaderEffectTexture[3];
desc.textures[0] = new ShaderEffectTexture()
{
registerIndex = 0,
usage = ShaderEffectResourceUsage.PS
};
desc.textures[1] = new ShaderEffectTexture()
{
registerIndex = 1,
usage = ShaderEffectResourceUsage.PS
};
desc.textures[2] = new ShaderEffectTexture()
{
registerIndex = 2,
usage = ShaderEffectResourceUsage.PS
};
desc.samplers = new ShaderEffectSampler[1];
desc.samplers[0] = new ShaderEffectSampler()
{
registerIndex = 0,
filter = ShaderSamplerFilter.Default,
anisotropy = ShaderSamplerAnisotropy.Default,
addressU = ShaderSamplerAddress.Wrap,
addressV = ShaderSamplerAddress.Wrap,
addressW = ShaderSamplerAddress.Wrap,
usage = ShaderEffectResourceUsage.PS
};
shaderEffect = device.CreateShaderEffect(vs, ps, null, null, null, desc, true);
}
if (!shaderEffect.FindVariable("constrast", out shaderEffectVar_Constrast))
{
throw new Exception("Failed to find shader effect variable");
}
if (!shaderEffect.FindVariable("camera", out shaderEffectVar_Camera))
{
throw new Exception("Failed to find shader effect variable");
}
// create constant buffer
constantBuffer = device.CreateConstantBuffer(shaderEffect.constantBufferMappings[0].size, ConstantBufferMode.Write);
// create vertex buffer
const float size = 1 / 2f;
var rotUpAxisMat = Mat3.FromEuler(0, MathTools.DegToRad(90), 0);
var rotRightAxisMat = Mat3.FromEuler(MathTools.DegToRad(90), 0, 0);
var vertices = new Vertex[4 * 6]; // 4 vertices per face
var indices = new ushort[6 * 6]; // 6 indices per face
var colorKey = new Color4[4]
{
Color4.blue,
Color4.red,
Color4.white,
Color4.white
};
for (int v = 0, i = 0, r = 0; v < (4 * 4); v += 4, i += 6, ++r) // caluclate front, right, back, left faces
{
vertices[v + 0] = new Vertex(new Vec3(-size, -size, size), colorKey[r], new Vec2(0, 0)).Transform(rotUpAxisMat, r);
vertices[v + 1] = new Vertex(new Vec3(-size, size, size), colorKey[r], new Vec2(0, 1)).Transform(rotUpAxisMat, r);
vertices[v + 2] = new Vertex(new Vec3(size, size, size), colorKey[r], new Vec2(1, 1)).Transform(rotUpAxisMat, r);
vertices[v + 3] = new Vertex(new Vec3(size, -size, size), colorKey[r], new Vec2(1, 0)).Transform(rotUpAxisMat, r);
indices[i + 0] = (ushort)(v + 0);
indices[i + 1] = (ushort)(v + 1);
indices[i + 2] = (ushort)(v + 2);
indices[i + 3] = (ushort)(v + 0);
indices[i + 4] = (ushort)(v + 2);
indices[i + 5] = (ushort)(v + 3);
}
colorKey = new Color4[2]
{
Color4.green,
Color4.white
};
for (int v = (4 * 4), i = (6 * 4), r = 1; v < (4 * 6); v += 4, i += 6, r = 3) // caluclate top, bottom faces
{
vertices[v + 0] = new Vertex(new Vec3(-size, -size, size), colorKey[r / 3], new Vec2(0, 0)).Transform(rotRightAxisMat, r);
vertices[v + 1] = new Vertex(new Vec3(-size, size, size), colorKey[r / 3], new Vec2(0, 1)).Transform(rotRightAxisMat, r);
vertices[v + 2] = new Vertex(new Vec3(size, size, size), colorKey[r / 3], new Vec2(1, 1)).Transform(rotRightAxisMat, r);
vertices[v + 3] = new Vertex(new Vec3(size, -size, size), colorKey[r / 3], new Vec2(1, 0)).Transform(rotRightAxisMat, r);
indices[i + 0] = (ushort)(v + 0);
indices[i + 1] = (ushort)(v + 1);
indices[i + 2] = (ushort)(v + 2);
indices[i + 3] = (ushort)(v + 0);
indices[i + 4] = (ushort)(v + 2);
indices[i + 5] = (ushort)(v + 3);
}
vertexBuffer = device.CreateVertexBuffer <Vertex>(vertices, indices, VertexBufferMode.GPUOptimized);
// create vertex buffer streamer
var vertexBufferStreamLayout = new VertexBufferStreamLayout()
{
descs = new VertexBufferStreamDesc[1],
elements = new VertexBufferStreamElement[3]
};
vertexBufferStreamLayout.descs[0] = new VertexBufferStreamDesc()
{
vertexBuffer = vertexBuffer,
type = VertexBufferStreamType.VertexData
};
vertexBufferStreamLayout.elements[0] = new VertexBufferStreamElement()
{
type = VertexBufferStreamElementType.Float3,
usage = VertexBufferStreamElementUsage.Position,
offset = 0
};
vertexBufferStreamLayout.elements[1] = new VertexBufferStreamElement()
{
type = VertexBufferStreamElementType.RGBAx8,
usage = VertexBufferStreamElementUsage.Color,
offset = (sizeof(float) * 3)
};
vertexBufferStreamLayout.elements[2] = new VertexBufferStreamElement()
{
type = VertexBufferStreamElementType.Float2,
usage = VertexBufferStreamElementUsage.UV,
offset = (sizeof(float) * 3) + 4
};
vertexBufferStreamer = device.CreateVertexBufferStreamer(vertexBufferStreamLayout);
// create render state
var renderStateDesc = new RenderStateDesc()
{
renderPass = renderPass,
shaderEffect = shaderEffect,
constantBuffers = new ConstantBufferBase[1],
textures = new TextureBase[3],
vertexBufferTopology = VertexBufferTopology.Triangle,
vertexBufferStreamer = vertexBufferStreamer,
triangleCulling = TriangleCulling.Back,
triangleFillMode = TriangleFillMode.Solid,
depthStencilDesc = DepthStencilDesc.StandardDepthTesting()
};
//renderStateDesc.blendDesc.renderTargetBlendDescs = new RenderTargetBlendDesc[1] {RenderTargetBlendDesc.AlphaBlending()};
renderStateDesc.constantBuffers[0] = constantBuffer;
renderStateDesc.textures[0] = texture;
renderStateDesc.textures[1] = texture2;
renderStateDesc.textures[2] = renderTextureTest.renderTexture;
renderState = device.CreateRenderState(renderStateDesc);
// create compute shader
using (var csStream = new FileStream("Shaders\\Compute_D3D12.cs", FileMode.Open, FileAccess.Read, FileShare.Read))
{
var csDesc = new ComputeShaderDesc()
{
randomAccessBuffers = new ComputeShaderRandomAccessBuffer[1]
};
csDesc.randomAccessBuffers[0] = new ComputeShaderRandomAccessBuffer()
{
registerIndex = 0
};
computeShader = device.CreateComputeShader(csStream, csDesc);
}
// create compute state
var computeStateDesc = new ComputeStateDesc()
{
computeShader = computeShader,
randomAccessBuffers = new object[1]
};
computeStateDesc.randomAccessBuffers[0] = renderTextureTest.renderTexture;
computeState = device.CreateComputeState(computeStateDesc);
// 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);
}
// setup camera
camera = new Camera();
}