public Buffer(
GraphicsDevice device,
Refresh.BufferUsageFlags usageFlags,
uint sizeInBytes
) : base(device)
{
Handle = Refresh.Refresh_CreateBuffer(
device.Handle,
usageFlags,
sizeInBytes
);
}
public bool Initialize(uint windowWidth, uint windowHeight)
{
if (SDL.SDL_Init(SDL.SDL_INIT_VIDEO | SDL.SDL_INIT_TIMER | SDL.SDL_INIT_GAMECONTROLLER) < 0)
{
System.Console.WriteLine("Failed to initialize SDL!");
return(false);
}
WindowHandle = SDL.SDL_CreateWindow(
"RefreshCSTest",
SDL.SDL_WINDOWPOS_UNDEFINED,
SDL.SDL_WINDOWPOS_UNDEFINED,
(int)windowWidth,
(int)windowHeight,
SDL.SDL_WindowFlags.SDL_WINDOW_VULKAN
);
Refresh.PresentationParameters presentationParameters;
presentationParameters.deviceWindowHandle = WindowHandle;
presentationParameters.presentMode = Refresh.PresentMode.Mailbox;
RefreshDevice = Refresh.Refresh_CreateDevice(ref presentationParameters, 1);
renderArea.x = 0;
renderArea.y = 0;
renderArea.w = (int)windowWidth;
renderArea.h = (int)windowHeight;
flip.x = 0;
flip.y = (int)windowHeight;
flip.w = (int)windowWidth;
flip.h = -(int)windowHeight;
clearColor.r = 100;
clearColor.g = 149;
clearColor.b = 237;
clearColor.a = 255;
depthStencilClearValue.depth = 1;
depthStencilClearValue.stencil = 0;
/* load shaders */
var passthroughVertBytecodeFile = new System.IO.FileInfo("passthrough_vert.spv");
var raymarchFragBytecodeFile = new System.IO.FileInfo("hexagon_grid.spv");
unsafe
{
fixed(uint *ptr = ReadBytecode(passthroughVertBytecodeFile))
{
Refresh.ShaderModuleCreateInfo passthroughVertexShaderModuleCreateInfo;
passthroughVertexShaderModuleCreateInfo.codeSize = (UIntPtr)passthroughVertBytecodeFile.Length;
passthroughVertexShaderModuleCreateInfo.byteCode = (IntPtr)ptr;
passthroughVertexShaderModule = Refresh.Refresh_CreateShaderModule(RefreshDevice, ref passthroughVertexShaderModuleCreateInfo);
}
fixed(uint *ptr = ReadBytecode(raymarchFragBytecodeFile))
{
Refresh.ShaderModuleCreateInfo raymarchFragmentShaderModuleCreateInfo;
raymarchFragmentShaderModuleCreateInfo.codeSize = (UIntPtr)raymarchFragBytecodeFile.Length;
raymarchFragmentShaderModuleCreateInfo.byteCode = (IntPtr)ptr;
raymarchFragmentShaderModule = Refresh.Refresh_CreateShaderModule(RefreshDevice, ref raymarchFragmentShaderModuleCreateInfo);
}
}
/* load textures */
IntPtr pixels = Refresh.Refresh_Image_Load("woodgrain.png", out var textureWidth, out var textureHeight, out var numChannels);
Refresh.TextureCreateInfo textureCreateInfo;
textureCreateInfo.width = (uint)textureWidth;
textureCreateInfo.height = (uint)textureHeight;
textureCreateInfo.depth = 1;
textureCreateInfo.format = Refresh.ColorFormat.R8G8B8A8;
textureCreateInfo.levelCount = 1;
textureCreateInfo.sampleCount = Refresh.SampleCount.One;
textureCreateInfo.isCube = 0;
textureCreateInfo.usageFlags = (uint)Refresh.TextureUsageFlagBits.SamplerBit;
woodTexture = Refresh.Refresh_CreateTexture(
RefreshDevice,
ref textureCreateInfo
);
Refresh.TextureSlice setTextureDataSlice;
setTextureDataSlice.texture = woodTexture;
setTextureDataSlice.rectangle.x = 0;
setTextureDataSlice.rectangle.y = 0;
setTextureDataSlice.rectangle.w = textureWidth;
setTextureDataSlice.rectangle.h = textureHeight;
setTextureDataSlice.depth = 0;
setTextureDataSlice.layer = 0;
setTextureDataSlice.level = 0;
Refresh.Refresh_SetTextureData(
RefreshDevice,
ref setTextureDataSlice,
pixels,
(uint)textureWidth * (uint)textureHeight * 4
);
Refresh.Refresh_Image_Free(pixels);
pixels = Refresh.Refresh_Image_Load("noise.png", out textureWidth, out textureHeight, out numChannels);
textureCreateInfo.width = (uint)textureWidth;
textureCreateInfo.height = (uint)textureHeight;
noiseTexture = Refresh.Refresh_CreateTexture(
RefreshDevice,
ref textureCreateInfo
);
setTextureDataSlice.texture = noiseTexture;
setTextureDataSlice.rectangle.w = textureWidth;
setTextureDataSlice.rectangle.h = textureHeight;
Refresh.Refresh_SetTextureData(
RefreshDevice,
ref setTextureDataSlice,
pixels,
(uint)textureWidth * (uint)textureHeight * 4
);
Refresh.Refresh_Image_Free(pixels);
/* vertex data */
var vertices = new Vertex[3];
vertices[0].x = -1;
vertices[0].y = -1;
vertices[0].z = 0;
vertices[0].u = 0;
vertices[0].v = 1;
vertices[1].x = 3;
vertices[1].y = -1;
vertices[1].z = 0;
vertices[1].u = 1;
vertices[1].v = 1;
vertices[2].x = -1;
vertices[2].y = 3;
vertices[2].z = 0;
vertices[2].u = 0;
vertices[2].v = 0;
vertexBuffer = Refresh.Refresh_CreateBuffer(
RefreshDevice,
(uint)Refresh.BufferUsageFlagBits.Vertex,
4 * 5 * 3
);
GCHandle handle = GCHandle.Alloc(vertices, GCHandleType.Pinned);
Refresh.Refresh_SetBufferData(
RefreshDevice,
vertexBuffer,
0,
handle.AddrOfPinnedObject(),
4 * 5 * 3
);
handle.Free();
offsets = new UInt64[1];
offsets[0] = 0;
/* uniforms */
raymarchUniforms.time = 0;
raymarchUniforms.padding = 0;
raymarchUniforms.resolutionX = (float)windowWidth;
raymarchUniforms.resolutionY = (float)windowHeight;
/* render pass */
Refresh.ColorTargetDescription mainColorTargetDescriptions;
mainColorTargetDescriptions.format = Refresh.ColorFormat.R8G8B8A8;
mainColorTargetDescriptions.loadOp = Refresh.LoadOp.Clear;
mainColorTargetDescriptions.storeOp = Refresh.StoreOp.Store;
mainColorTargetDescriptions.multisampleCount = Refresh.SampleCount.One;
Refresh.DepthStencilTargetDescription mainDepthStencilTargetDescription;
mainDepthStencilTargetDescription.depthFormat = Refresh.DepthFormat.Depth32Stencil8;
mainDepthStencilTargetDescription.loadOp = Refresh.LoadOp.Clear;
mainDepthStencilTargetDescription.storeOp = Refresh.StoreOp.DontCare;
mainDepthStencilTargetDescription.stencilLoadOp = Refresh.LoadOp.DontCare;
mainDepthStencilTargetDescription.stencilStoreOp = Refresh.StoreOp.DontCare;
GCHandle colorTargetDescriptionHandle = GCHandle.Alloc(mainColorTargetDescriptions, GCHandleType.Pinned);
GCHandle depthStencilTargetDescriptionHandle = GCHandle.Alloc(mainDepthStencilTargetDescription, GCHandleType.Pinned);
Refresh.RenderPassCreateInfo mainRenderPassCreateInfo;
mainRenderPassCreateInfo.colorTargetCount = 1;
mainRenderPassCreateInfo.colorTargetDescriptions = colorTargetDescriptionHandle.AddrOfPinnedObject();
mainRenderPassCreateInfo.depthStencilTargetDescription = depthStencilTargetDescriptionHandle.AddrOfPinnedObject();
mainRenderPass = Refresh.Refresh_CreateRenderPass(RefreshDevice, ref mainRenderPassCreateInfo);
colorTargetDescriptionHandle.Free();
depthStencilTargetDescriptionHandle.Free();
textureCreateInfo.width = windowWidth;
textureCreateInfo.height = windowHeight;
textureCreateInfo.usageFlags = (uint)Refresh.TextureUsageFlagBits.ColorTargetBit;
mainColorTargetTexture = Refresh.Refresh_CreateTexture(
RefreshDevice,
ref textureCreateInfo
);
mainColorTargetTextureSlice.texture = mainColorTargetTexture;
mainColorTargetTextureSlice.rectangle.x = 0;
mainColorTargetTextureSlice.rectangle.y = 0;
mainColorTargetTextureSlice.rectangle.w = (int)windowWidth;
mainColorTargetTextureSlice.rectangle.h = (int)windowHeight;
mainColorTargetTextureSlice.depth = 0;
mainColorTargetTextureSlice.layer = 0;
mainColorTargetTextureSlice.level = 0;
mainColorTarget = Refresh.Refresh_CreateColorTarget(
RefreshDevice,
Refresh.SampleCount.One,
ref mainColorTargetTextureSlice
);
mainDepthStencilTarget = Refresh.Refresh_CreateDepthStencilTarget(
RefreshDevice,
windowWidth,
windowHeight,
Refresh.DepthFormat.Depth32Stencil8
);
GCHandle colorTargetHandle = GCHandle.Alloc(mainColorTarget, GCHandleType.Pinned);
Refresh.FramebufferCreateInfo framebufferCreateInfo;
framebufferCreateInfo.width = windowWidth;
framebufferCreateInfo.height = windowHeight;
framebufferCreateInfo.colorTargetCount = 1;
framebufferCreateInfo.pColorTargets = colorTargetHandle.AddrOfPinnedObject();
framebufferCreateInfo.depthStencilTarget = mainDepthStencilTarget;
framebufferCreateInfo.renderPass = mainRenderPass;
mainFrameBuffer = Refresh.Refresh_CreateFramebuffer(RefreshDevice, ref framebufferCreateInfo);
colorTargetHandle.Free();
/* pipeline */
Refresh.ColorTargetBlendState[] colorTargetBlendStates = new Refresh.ColorTargetBlendState[1];
colorTargetBlendStates[0].blendEnable = 0;
colorTargetBlendStates[0].alphaBlendOp = 0;
colorTargetBlendStates[0].colorBlendOp = 0;
colorTargetBlendStates[0].colorWriteMask = (uint)(
Refresh.ColorComponentFlagBits.R |
Refresh.ColorComponentFlagBits.G |
Refresh.ColorComponentFlagBits.B |
Refresh.ColorComponentFlagBits.A
);
colorTargetBlendStates[0].destinationAlphaBlendFactor = 0;
colorTargetBlendStates[0].destinationColorBlendFactor = 0;
colorTargetBlendStates[0].sourceAlphaBlendFactor = 0;
colorTargetBlendStates[0].sourceColorBlendFactor = 0;
GCHandle colorTargetBlendStateHandle = GCHandle.Alloc(colorTargetBlendStates, GCHandleType.Pinned);
Refresh.ColorBlendState colorBlendState;
unsafe
{
colorBlendState.logicOpEnable = 0;
colorBlendState.logicOp = Refresh.LogicOp.NoOp;
colorBlendState.blendConstants[0] = 0;
colorBlendState.blendConstants[1] = 0;
colorBlendState.blendConstants[2] = 0;
colorBlendState.blendConstants[3] = 0;
colorBlendState.blendStateCount = 1;
colorBlendState.blendStates = colorTargetBlendStateHandle.AddrOfPinnedObject();
}
Refresh.DepthStencilState depthStencilState;
depthStencilState.depthTestEnable = 0;
depthStencilState.backStencilState.compareMask = 0;
depthStencilState.backStencilState.compareOp = Refresh.CompareOp.Never;
depthStencilState.backStencilState.depthFailOp = Refresh.StencilOp.Zero;
depthStencilState.backStencilState.failOp = Refresh.StencilOp.Zero;
depthStencilState.backStencilState.passOp = Refresh.StencilOp.Zero;
depthStencilState.backStencilState.reference = 0;
depthStencilState.backStencilState.writeMask = 0;
depthStencilState.compareOp = Refresh.CompareOp.Never;
depthStencilState.depthBoundsTestEnable = 0;
depthStencilState.depthWriteEnable = 0;
depthStencilState.frontStencilState.compareMask = 0;
depthStencilState.frontStencilState.compareOp = Refresh.CompareOp.Never;
depthStencilState.frontStencilState.depthFailOp = Refresh.StencilOp.Zero;
depthStencilState.frontStencilState.failOp = Refresh.StencilOp.Zero;
depthStencilState.frontStencilState.passOp = Refresh.StencilOp.Zero;
depthStencilState.frontStencilState.reference = 0;
depthStencilState.frontStencilState.writeMask = 0;
depthStencilState.maxDepthBounds = 1.0f;
depthStencilState.minDepthBounds = 0.0f;
depthStencilState.stencilTestEnable = 0;
Refresh.ShaderStageState vertexShaderState;
vertexShaderState.shaderModule = passthroughVertexShaderModule;
vertexShaderState.entryPointName = "main";
vertexShaderState.uniformBufferSize = 0;
Refresh.ShaderStageState fragmentShaderStage;
fragmentShaderStage.shaderModule = raymarchFragmentShaderModule;
fragmentShaderStage.entryPointName = "main";
fragmentShaderStage.uniformBufferSize = 4;
Refresh.MultisampleState multisampleState;
multisampleState.multisampleCount = Refresh.SampleCount.One;
multisampleState.sampleMask = uint.MaxValue;
Refresh.GraphicsPipelineLayoutCreateInfo pipelineLayoutCreateInfo;
pipelineLayoutCreateInfo.vertexSamplerBindingCount = 0;
pipelineLayoutCreateInfo.fragmentSamplerBindingCount = 2;
Refresh.RasterizerState rasterizerState;
rasterizerState.cullMode = Refresh.CullMode.Back;
rasterizerState.depthBiasClamp = 0;
rasterizerState.depthBiasConstantFactor = 0;
rasterizerState.depthBiasEnable = 0;
rasterizerState.depthBiasSlopeFactor = 0;
rasterizerState.depthClampEnable = 0;
rasterizerState.fillMode = Refresh.FillMode.Fill;
rasterizerState.frontFace = Refresh.FrontFace.Clockwise;
rasterizerState.lineWidth = 1.0f;
Refresh.VertexBinding[] vertexBindings = new Refresh.VertexBinding[1];
vertexBindings[0].binding = 0;
vertexBindings[0].inputRate = Refresh.VertexInputRate.Vertex;
vertexBindings[0].stride = 4 * 5;
Refresh.VertexAttribute[] vertexAttributes = new Refresh.VertexAttribute[2];
vertexAttributes[0].binding = 0;
vertexAttributes[0].location = 0;
vertexAttributes[0].format = Refresh.VertexElementFormat.Vector3;
vertexAttributes[0].offset = 0;
vertexAttributes[1].binding = 0;
vertexAttributes[1].location = 1;
vertexAttributes[1].format = Refresh.VertexElementFormat.Vector2;
vertexAttributes[1].offset = 4 * 3;
GCHandle vertexBindingsHandle = GCHandle.Alloc(vertexBindings, GCHandleType.Pinned);
GCHandle vertexAttributesHandle = GCHandle.Alloc(vertexAttributes, GCHandleType.Pinned);
Refresh.VertexInputState vertexInputState;
vertexInputState.vertexBindings = vertexBindingsHandle.AddrOfPinnedObject();
vertexInputState.vertexBindingCount = 1;
vertexInputState.vertexAttributes = vertexAttributesHandle.AddrOfPinnedObject();
vertexInputState.vertexAttributeCount = 2;
Refresh.Viewport viewport;
viewport.x = 0;
viewport.y = 0;
viewport.w = (float)windowWidth;
viewport.h = (float)windowHeight;
viewport.minDepth = 0;
viewport.maxDepth = 1;
GCHandle viewportHandle = GCHandle.Alloc(viewport, GCHandleType.Pinned);
GCHandle scissorHandle = GCHandle.Alloc(renderArea, GCHandleType.Pinned);
Refresh.ViewportState viewportState;
viewportState.viewports = viewportHandle.AddrOfPinnedObject();
viewportState.viewportCount = 1;
viewportState.scissors = scissorHandle.AddrOfPinnedObject();
viewportState.scissorCount = 1;
Refresh.GraphicsPipelineCreateInfo graphicsPipelineCreateInfo;
graphicsPipelineCreateInfo.colorBlendState = colorBlendState;
graphicsPipelineCreateInfo.depthStencilState = depthStencilState;
graphicsPipelineCreateInfo.vertexShaderState = vertexShaderState;
graphicsPipelineCreateInfo.fragmentShaderState = fragmentShaderStage;
graphicsPipelineCreateInfo.multisampleState = multisampleState;
graphicsPipelineCreateInfo.pipelineLayoutCreateInfo = pipelineLayoutCreateInfo;
graphicsPipelineCreateInfo.rasterizerState = rasterizerState;
graphicsPipelineCreateInfo.primitiveType = Refresh.PrimitiveType.TriangleList;
graphicsPipelineCreateInfo.vertexInputState = vertexInputState;
graphicsPipelineCreateInfo.viewportState = viewportState;
graphicsPipelineCreateInfo.renderPass = mainRenderPass;
System.Console.WriteLine("creating graphics pipeline");
raymarchPipeline = Refresh.Refresh_CreateGraphicsPipeline(RefreshDevice, ref graphicsPipelineCreateInfo);
System.Console.WriteLine("created graphics pipeline");
colorTargetBlendStateHandle.Free();
vertexBindingsHandle.Free();
vertexAttributesHandle.Free();
viewportHandle.Free();
scissorHandle.Free();
Refresh.SamplerStateCreateInfo samplerStateCreateInfo;
samplerStateCreateInfo.addressModeU = Refresh.SamplerAddressMode.Repeat;
samplerStateCreateInfo.addressModeV = Refresh.SamplerAddressMode.Repeat;
samplerStateCreateInfo.addressModeW = Refresh.SamplerAddressMode.Repeat;
samplerStateCreateInfo.anisotropyEnable = 0;
samplerStateCreateInfo.borderColor = Refresh.BorderColor.IntOpaqueBlack;
samplerStateCreateInfo.compareEnable = 0;
samplerStateCreateInfo.compareOp = Refresh.CompareOp.Never;
samplerStateCreateInfo.magFilter = Refresh.Filter.Linear;
samplerStateCreateInfo.maxAnisotropy = 0;
samplerStateCreateInfo.maxLod = 1;
samplerStateCreateInfo.minFilter = Refresh.Filter.Linear;
samplerStateCreateInfo.minLod = 1;
samplerStateCreateInfo.mipLodBias = 1;
samplerStateCreateInfo.mipmapMode = Refresh.SamplerMipmapMode.Linear;
sampler = Refresh.Refresh_CreateSampler(RefreshDevice, ref samplerStateCreateInfo);
sampleTextures[0] = woodTexture;
sampleTextures[1] = noiseTexture;
sampleSamplers[0] = sampler;
sampleSamplers[1] = sampler;
return(true);
}
