private void CreateShaders()
{
var vertexLayout = new VertexLayoutDescription
(
16,
0,
new VertexElementDescription[]
{
new VertexElementDescription("Position", VertexElementFormat.Float2, VertexElementSemantic.Position),
new VertexElementDescription("VTex", VertexElementFormat.Float2, VertexElementSemantic.TextureCoordinate)
}
);
var uniformDescriptions = new ResourceLayoutElementDescription[2][];
uniformDescriptions[0] = new ResourceLayoutElementDescription[]
{
new ResourceLayoutElementDescription("Factors", ResourceKind.UniformBuffer, ShaderStages.Fragment)
};
uniformDescriptions[1] = new ResourceLayoutElementDescription[]
{
new ResourceLayoutElementDescription("Sampler", ResourceKind.TextureReadOnly, ShaderStages.Fragment),
new ResourceLayoutElementDescription("Texture", ResourceKind.Sampler, ShaderStages.Fragment)
};
_shaderPackage = _shaderLoader.CreateShaderPackage("Vertex2D", AssetSourceEnum.Embedded, "ColourFragment", AssetSourceEnum.Embedded, vertexLayout, uniformDescriptions);
}
private List <IDisposable> createTransformationPipelineUniform()
{
_transformationPipelineBuffer = _factory.CreateBuffer(new BufferDescription(192, BufferUsage.UniformBuffer | BufferUsage.Dynamic));
ResourceLayoutElementDescription resourceLayoutElementDescription = new ResourceLayoutElementDescription("transformPipeline", ResourceKind.UniformBuffer, ShaderStages.Vertex);
ResourceLayoutElementDescription[] resourceLayoutElementDescriptions = { resourceLayoutElementDescription };
ResourceLayoutDescription resourceLayoutDescription = new ResourceLayoutDescription(resourceLayoutElementDescriptions);
BindableResource[] bindableResources = new BindableResource[] { _transformationPipelineBuffer };
_transformationPipelineResourceLayout = _factory.CreateResourceLayout(resourceLayoutDescription);
ResourceSetDescription resourceSetDescription = new ResourceSetDescription(_transformationPipelineResourceLayout, bindableResources);
_transformationPipelineResourceSet = _factory.CreateResourceSet(resourceSetDescription);
//_graphicsDevice.UpdateBuffer(_transformationPipelineBuffer,0,_camera.ViewMatrix);
GraphicsDevice.UpdateBuffer(_transformationPipelineBuffer, 64, Camera.ProjectionMatrix);
return(new List <IDisposable>()
{
_transformationPipelineBuffer,
_transformationPipelineResourceLayout,
_transformationPipelineResourceSet
});
}
private void CreateShaders()
{
var vertexLayout = new VertexLayoutDescription
(
16,
0,
new VertexElementDescription[]
{
new VertexElementDescription("Position", VertexElementFormat.Float2, VertexElementSemantic.Position),
new VertexElementDescription("VTex", VertexElementFormat.Float2, VertexElementSemantic.TextureCoordinate)
}
);
var uniformDescriptions = new ResourceLayoutElementDescription[8][];
uniformDescriptions[0] = new ResourceLayoutElementDescription[]
{
new ResourceLayoutElementDescription("Sampler_Source", ResourceKind.TextureReadOnly, ShaderStages.Fragment),
new ResourceLayoutElementDescription("Texture_Source", ResourceKind.Sampler, ShaderStages.Fragment)
};
uniformDescriptions[1] = new ResourceLayoutElementDescription[]
{
new ResourceLayoutElementDescription("Sampler_Noise", ResourceKind.TextureReadOnly, ShaderStages.Fragment),
new ResourceLayoutElementDescription("Texture_Noise", ResourceKind.Sampler, ShaderStages.Fragment)
};
uniformDescriptions[2] = new ResourceLayoutElementDescription[]
{
new ResourceLayoutElementDescription("Sampler_ScanlineMask", ResourceKind.TextureReadOnly, ShaderStages.Fragment),
new ResourceLayoutElementDescription("Texture_ScanlineMask", ResourceKind.Sampler, ShaderStages.Fragment)
};
uniformDescriptions[3] = new ResourceLayoutElementDescription[]
{
new ResourceLayoutElementDescription("PixellateFactors", ResourceKind.UniformBuffer, ShaderStages.Fragment)
};
uniformDescriptions[4] = new ResourceLayoutElementDescription[]
{
new ResourceLayoutElementDescription("EdgeDetectionFactors", ResourceKind.UniformBuffer, ShaderStages.Fragment)
};
uniformDescriptions[5] = new ResourceLayoutElementDescription[]
{
new ResourceLayoutElementDescription("StaticFactors", ResourceKind.UniformBuffer, ShaderStages.Fragment)
};
uniformDescriptions[6] = new ResourceLayoutElementDescription[]
{
new ResourceLayoutElementDescription("OldMovieFactors", ResourceKind.UniformBuffer, ShaderStages.Fragment)
};
uniformDescriptions[7] = new ResourceLayoutElementDescription[]
{
new ResourceLayoutElementDescription("CrtEffectFactors", ResourceKind.UniformBuffer, ShaderStages.Fragment)
};
_shaderPackage = _shaderLoader.CreateShaderPackage("Vertex2D", AssetSourceEnum.Embedded, "StyleFragment", AssetSourceEnum.Embedded, vertexLayout, uniformDescriptions);
}
private void AssertEqual(ResourceLayoutElementDescription a, ResourceLayoutElementDescription b)
{
Assert.Equal(a.Name, b.Name);
Assert.Equal(a.Kind, b.Kind);
Assert.Equal(a.Options, b.Options);
Assert.Equal(a.Stages, b.Stages);
}
public static ResourceLayout GenerateResourceLayout(DisposeCollectorResourceFactory factory, string name, ResourceKind resourceKind, ShaderStages shaderStages)
{
var resourceLayoutElementDescription = new ResourceLayoutElementDescription(name, resourceKind, shaderStages);
ResourceLayoutElementDescription[] resourceLayoutElementDescriptions = { resourceLayoutElementDescription };
var resourceLayoutDescription = new ResourceLayoutDescription(resourceLayoutElementDescriptions);
return(factory.CreateResourceLayout(resourceLayoutDescription));
}
public _EffectTexture(GraphicsDevice device, string inputName)
{
Name = inputName;
_ExtDevice = device;
// Input
var texDesc = new ResourceLayoutElementDescription(inputName, ResourceKind.TextureReadOnly, ShaderStages.Fragment);
_OwnedTextureLayout = device.ResourceFactory.CreateResourceLayout(new ResourceLayoutDescription(texDesc));
}
public _EffectSampler(GraphicsDevice device, string samplerName)
{
Name = samplerName;
_ExtDevice = device;
var smpDesc = new ResourceLayoutElementDescription(samplerName, ResourceKind.Sampler, ShaderStages.Fragment);
_OwnedSamplerLayout = device.ResourceFactory.CreateResourceLayout(new ResourceLayoutDescription(smpDesc));
_OwnedSamplerResourceSets = new _EffectSamplers(device, _OwnedSamplerLayout);
}
public Effect(
GraphicsDevice graphicsDevice,
string shaderName,
params VertexLayoutDescription[] vertexDescriptors)
{
GraphicsDevice = graphicsDevice;
ID = _nextID++;
var shaderCodeExtension = GetBytecodeExtension(graphicsDevice.BackendType);
Shader CreateShader(ShaderStages shaderStage, string entryPoint)
{
var embeddedResourceName = $"OpenSage.Graphics.Shaders.Compiled.{shaderName}-{shaderStage.ToString().ToLowerInvariant()}{shaderCodeExtension}";
using (var shaderStream = typeof(Effect).Assembly.GetManifestResourceStream(embeddedResourceName))
{
var shaderBytecode = shaderStream.ReadAllBytes();
var shader = graphicsDevice.ResourceFactory.CreateShader(new ShaderDescription(shaderStage, shaderBytecode, entryPoint));
shader.Name = shaderName;
return(shader);
}
}
_vertexShader = AddDisposable(CreateShader(ShaderStages.Vertex, "VS"));
_pixelShader = AddDisposable(CreateShader(ShaderStages.Fragment, "PS"));
_cachedPipelineStates = new Dictionary <EffectPipelineStateHandle, Pipeline>();
_vertexDescriptors = vertexDescriptors;
var shaderDefinition = ShaderDefinitions.GetShaderDefinition(shaderName);
_parameters = new Dictionary <string, EffectParameter>();
_resourceLayouts = new ResourceLayout[shaderDefinition.ResourceBindings.Count];
for (var i = 0u; i < shaderDefinition.ResourceBindings.Count; i++)
{
var resourceBinding = shaderDefinition.ResourceBindings[(int)i];
var resourceLayoutDescription = new ResourceLayoutElementDescription(
resourceBinding.Name,
resourceBinding.Type,
resourceBinding.Stages);
var parameter = AddDisposable(new EffectParameter(
graphicsDevice,
resourceBinding,
resourceLayoutDescription,
i));
_parameters[parameter.Name] = parameter;
_resourceLayouts[i] = parameter.ResourceLayout;
}
}
public _EffectUniform(GraphicsDevice device, string name, ShaderStages stage, int byteCount)
{
_Device = device;
Name = name;
var desc = new ResourceLayoutElementDescription(name, ResourceKind.UniformBuffer, stage);
_ByteCount = byteCount;
_DeviceBuffer = device.ResourceFactory.CreateBuffer(new BufferDescription((uint)byteCount, BufferUsage.UniformBuffer));
_ResourceLayout = device.ResourceFactory.CreateResourceLayout(new ResourceLayoutDescription(desc));
_ResourceSet = device.ResourceFactory.CreateResourceSet(new ResourceSetDescription(_ResourceLayout, _DeviceBuffer));
}
public Effect(
GraphicsDevice graphicsDevice,
string shaderName,
VertexLayoutDescription[] vertexDescriptors)
{
_graphicsDevice = graphicsDevice;
ID = _nextID++;
const string shaderNamespace = "OpenSage.Graphics.Shaders.Compiled";
var shaderCodeExtension = GetBytecodeExtension(graphicsDevice.BackendType);
using (var shaderStream = typeof(Effect).Assembly.GetManifestResourceStream($"{shaderNamespace}.{shaderName}-vertex{shaderCodeExtension}"))
{
var vertexShaderBytecode = shaderStream.ReadAllBytes();
_vertexShader = AddDisposable(graphicsDevice.ResourceFactory.CreateShader(new ShaderDescription(ShaderStages.Vertex, vertexShaderBytecode, "VS")));
}
using (var shaderStream = typeof(Effect).Assembly.GetManifestResourceStream($"{shaderNamespace}.{shaderName}-fragment{shaderCodeExtension}"))
{
var pixelShaderBytecode = shaderStream.ReadAllBytes();
_pixelShader = AddDisposable(graphicsDevice.ResourceFactory.CreateShader(new ShaderDescription(ShaderStages.Fragment, pixelShaderBytecode, "PS")));
}
_cachedPipelineStates = new Dictionary <EffectPipelineStateHandle, Pipeline>();
_vertexDescriptors = vertexDescriptors;
var shaderDefinition = ShaderDefinitions.GetShaderDefinition(shaderName);
_parameters = new Dictionary <string, EffectParameter>();
_resourceLayouts = new ResourceLayout[shaderDefinition.ResourceBindings.Length];
for (var i = 0u; i < shaderDefinition.ResourceBindings.Length; i++)
{
var resourceBinding = shaderDefinition.ResourceBindings[i];
var resourceLayoutDescription = new ResourceLayoutElementDescription(
resourceBinding.Name,
resourceBinding.Type,
resourceBinding.Stages);
var parameter = AddDisposable(new EffectParameter(
graphicsDevice,
resourceBinding,
resourceLayoutDescription,
i));
_parameters[parameter.Name] = parameter;
_resourceLayouts[i] = parameter.ResourceLayout;
}
}
internal Uniform(string name,
BufferUsage bufferUsage,
ShaderStages shaderStages,
ResourceLayoutElementOptions options)
{
BufferUsage = bufferUsage;
ShaderStages = shaderStages;
ResourceLayoutElementDescription = new ResourceLayoutElementDescription(
name,
ResourceKind.UniformBuffer,
ShaderStages,
options);
}
private ResourceSet CreateFragmentShaderUniformResourceSet(DeviceBuffer buffer, string elementName)
{
var resourceLayoutElementDescription = new ResourceLayoutElementDescription(elementName, ResourceKind.UniformBuffer, ShaderStages.Fragment);
var resourceLayout = _systemComponents.Factory.CreateResourceLayout(
new ResourceLayoutDescription(
resourceLayoutElementDescription
)
);
return(_systemComponents.Factory.CreateResourceSet(
new ResourceSetDescription(resourceLayout, buffer)
));
}
private void CreateSizeDependentResources()
{
renderTargetColorTexture = factory.CreateTexture(TextureDescription.Texture2D(
width, height, 1, 1,
PixelFormat.R8_G8_B8_A8_UNorm, TextureUsage.RenderTarget | TextureUsage.Sampled));
renderTargetColorTextureView = factory.CreateTextureView(renderTargetColorTexture);
renderTargetDepthTexture = factory.CreateTexture(TextureDescription.Texture2D(
width, height, 1, 1, PixelFormat.R32_Float, TextureUsage.DepthStencil));
renderTargetFramebuffer = factory.CreateFramebuffer(new FramebufferDescription(renderTargetDepthTexture, renderTargetColorTexture));
// final render pipeline
ResourceLayoutElementDescription[] layoutDescriptions = new ResourceLayoutElementDescription[]
{
new ResourceLayoutElementDescription("ScreenMap", ResourceKind.TextureReadOnly, ShaderStages.Fragment),
new ResourceLayoutElementDescription("ScreenMapSampler", ResourceKind.Sampler, ShaderStages.Fragment),
};
BindableResource[] bindableResources = new BindableResource[]
{
renderTargetColorTextureView,
graphicsDevice.PointSampler,
};
resourceLayout = factory.CreateResourceLayout(new ResourceLayoutDescription(layoutDescriptions));
pipeline = factory.CreateGraphicsPipeline(
new GraphicsPipelineDescription(
BlendStateDescription.SingleOverrideBlend,
new DepthStencilStateDescription(
depthTestEnabled: false,
depthWriteEnabled: false,
comparisonKind: ComparisonKind.Always),
new RasterizerStateDescription(
cullMode: FaceCullMode.Back,
fillMode: PolygonFillMode.Solid,
frontFace: FrontFace.Clockwise,
depthClipEnabled: false,
scissorTestEnabled: false),
PrimitiveTopology.TriangleList,
new ShaderSetDescription(
vertexLayouts: new VertexLayoutDescription[] {
new VertexLayoutDescription(
new VertexElementDescription("Position", VertexElementSemantic.TextureCoordinate, VertexElementFormat.Float3)
)
},
shaders: CreateShaders(finalVertexCode, finalFragmentCode)),
new ResourceLayout[] { resourceLayout },
swapchain.Framebuffer.OutputDescription)
);
resourceSet = factory.CreateResourceSet(new ResourceSetDescription(resourceLayout, bindableResources));
}
private void CreateShadersAndFactorsUniform()
{
var vertexLayout = new VertexLayoutDescription
(
16,
0,
new VertexElementDescription[]
{
new VertexElementDescription("Position", VertexElementFormat.Float2, VertexElementSemantic.Position),
new VertexElementDescription("VTex", VertexElementFormat.Float2, VertexElementSemantic.TextureCoordinate)
}
);
var uniformDescriptions = new ResourceLayoutElementDescription[3][];
uniformDescriptions[0] = new ResourceLayoutElementDescription[]
{
new ResourceLayoutElementDescription("UniformBlock", ResourceKind.UniformBuffer, ShaderStages.Fragment)
};
uniformDescriptions[1] = new ResourceLayoutElementDescription[]
{
new ResourceLayoutElementDescription("Sampler_Source", ResourceKind.TextureReadOnly, ShaderStages.Fragment),
new ResourceLayoutElementDescription("Texture_Source", ResourceKind.Sampler, ShaderStages.Fragment)
};
uniformDescriptions[2] = new ResourceLayoutElementDescription[]
{
new ResourceLayoutElementDescription("Sampler_Processed", ResourceKind.TextureReadOnly, ShaderStages.Fragment),
new ResourceLayoutElementDescription("Texture_Processed", ResourceKind.Sampler, ShaderStages.Fragment)
};
_shaderPackage = _shaderLoader.CreateShaderPackage("Vertex2D", AssetSourceEnum.Embedded, "BloomMixFragment", AssetSourceEnum.Embedded, vertexLayout, uniformDescriptions);
var uniformBlockResourceLayoutDescription = uniformDescriptions[0][0];
_uniformBlockBuffer = _systemComponents.Factory.CreateBuffer(new BufferDescription(MixingShaderFactors.SizeInBytes, BufferUsage.UniformBuffer | BufferUsage.Dynamic));
var uniformBlockResourceLayout = _systemComponents.Factory.CreateResourceLayout(
new ResourceLayoutDescription(
uniformBlockResourceLayoutDescription
)
);
_uniformBlockResourceSet = _systemComponents.Factory.CreateResourceSet(
new ResourceSetDescription(uniformBlockResourceLayout, _uniformBlockBuffer)
);
}
private void CreateBuffer()
{
_factorsBuffer = _systemComponents.Factory.CreateBuffer(new BufferDescription(ColourEffectFactors.SizeInBytes, BufferUsage.UniformBuffer | BufferUsage.Dynamic));
//Duplicated across here and renderer...
var resourceLayoutElementDescription = new ResourceLayoutElementDescription("Factors", ResourceKind.UniformBuffer, ShaderStages.Fragment);
var resourceLayout = _systemComponents.Factory.CreateResourceLayout(
new ResourceLayoutDescription(
resourceLayoutElementDescription
)
);
FactorsResourceSet = _systemComponents.Factory.CreateResourceSet(
new ResourceSetDescription(resourceLayout, _factorsBuffer)
);
}
private void CreateShadersAndFactorsUniform()
{
var vertexLayout = new VertexLayoutDescription
(
16,
0,
new VertexElementDescription[] {
new VertexElementDescription("Position", VertexElementFormat.Float2, VertexElementSemantic.Position),
new VertexElementDescription("VTex", VertexElementFormat.Float2, VertexElementSemantic.TextureCoordinate)
}
);
var uniformDescriptions = new ResourceLayoutElementDescription[3][];
uniformDescriptions[0] = new ResourceLayoutElementDescription[]
{
new ResourceLayoutElementDescription("DistortionFactor", ResourceKind.UniformBuffer, ShaderStages.Fragment)
};
uniformDescriptions[1] = new ResourceLayoutElementDescription[]
{
new ResourceLayoutElementDescription("SamplerGradientMap", ResourceKind.TextureReadOnly, ShaderStages.Fragment),
new ResourceLayoutElementDescription("TextureGradientMap", ResourceKind.Sampler, ShaderStages.Fragment)
};
uniformDescriptions[2] = new ResourceLayoutElementDescription[]
{
new ResourceLayoutElementDescription("SamplerImage", ResourceKind.TextureReadOnly, ShaderStages.Fragment),
new ResourceLayoutElementDescription("TextureImage", ResourceKind.Sampler, ShaderStages.Fragment)
};
_shaderPackage = _shaderLoader.CreateShaderPackage("Vertex2D", AssetSourceEnum.Embedded, "DistortionFragment", AssetSourceEnum.Embedded, vertexLayout, uniformDescriptions);
_distortionFactorBuffer = _systemComponents.Factory.CreateBuffer(new BufferDescription(DistortionFactorUniform.SizeInBytes, BufferUsage.UniformBuffer | BufferUsage.Dynamic));
var distortionFactorBufferResourceLayout = _systemComponents.Factory.CreateResourceLayout(
new ResourceLayoutDescription(
uniformDescriptions[0]
)
);
_distortionFactorUniformResourceSet = _systemComponents.Factory.CreateResourceSet(
new ResourceSetDescription(distortionFactorBufferResourceLayout, _distortionFactorBuffer)
);
}
private void CreateShaders()
{
var vertexLayout = new VertexLayoutDescription
(
32,
0,
new VertexElementDescription[] {
new VertexElementDescription("VertPosition", VertexElementFormat.Float3, VertexElementSemantic.Position),
new VertexElementDescription("VertNormal", VertexElementFormat.Float3, VertexElementSemantic.Normal),
new VertexElementDescription("VertTexCoord", VertexElementFormat.Float2, VertexElementSemantic.TextureCoordinate)
}
);
var uniformDescriptions = new ResourceLayoutElementDescription[5][];
uniformDescriptions[0] = new ResourceLayoutElementDescription[]
{
new ResourceLayoutElementDescription("VertexUniforms", ResourceKind.UniformBuffer, ShaderStages.Vertex)
};
uniformDescriptions[1] = new ResourceLayoutElementDescription[]
{
new ResourceLayoutElementDescription("FragUniforms", ResourceKind.UniformBuffer, ShaderStages.Fragment)
};
uniformDescriptions[2] = new ResourceLayoutElementDescription[]
{
new ResourceLayoutElementDescription("Texture", ResourceKind.TextureReadOnly, ShaderStages.Fragment),
new ResourceLayoutElementDescription("Sampler", ResourceKind.Sampler, ShaderStages.Fragment)
};
uniformDescriptions[3] = new ResourceLayoutElementDescription[]
{
new ResourceLayoutElementDescription("LightProperties", ResourceKind.UniformBuffer, ShaderStages.Fragment)
};
uniformDescriptions[4] = new ResourceLayoutElementDescription[]
{
new ResourceLayoutElementDescription("LightsUniformBlock", ResourceKind.UniformBuffer, ShaderStages.Fragment)
};
_shaderPackage = _shaderLoader.CreateShaderPackage("Vertex3D", AssetSourceEnum.Embedded, "MeshFragment", AssetSourceEnum.Embedded, vertexLayout, uniformDescriptions);
}
internal static void ValidateResourceSet(GraphicsDevice gd, ref ResourceSetDescription description)
{
ResourceLayoutElementDescription[] elements = description.Layout.Description.Elements;
BindableResource[] resources = description.BoundResources;
if (elements.Length != resources.Length)
{
throw new VeldridException(
$"The number of resources specified ({resources.Length}) must be equal to the number of resources in the {nameof(ResourceLayout)} ({elements.Length}).");
}
for (uint i = 0; i < elements.Length; i++)
{
ValidateResourceKind(elements[i].Kind, resources[i], i);
}
for (int i = 0; i < description.Layout.Description.Elements.Length; i++)
{
ResourceLayoutElementDescription element = description.Layout.Description.Elements[i];
if (element.Kind == ResourceKind.UniformBuffer ||
element.Kind == ResourceKind.StructuredBufferReadOnly ||
element.Kind == ResourceKind.StructuredBufferReadWrite)
{
DeviceBufferRange range = Util.GetBufferRange(description.BoundResources[i], 0);
if (!gd.Features.BufferRangeBinding && (range.Offset != 0 || range.SizeInBytes != range.Buffer.SizeInBytes))
{
throw new VeldridException($"The {nameof(DeviceBufferRange)} in slot {i} uses a non-zero offset or less-than-full size, " +
$"which requires {nameof(GraphicsDeviceFeatures)}.{nameof(GraphicsDeviceFeatures.BufferRangeBinding)}.");
}
uint alignment = element.Kind == ResourceKind.UniformBuffer
? gd.UniformBufferMinOffsetAlignment
: gd.StructuredBufferMinOffsetAlignment;
if ((range.Offset % alignment) != 0)
{
throw new VeldridException($"The {nameof(DeviceBufferRange)} in slot {i} has an invalid offset: {range.Offset}. " +
$"The offset for this buffer must be a multiple of {alignment}.");
}
}
}
}
private void CreateShaders()
{
var vertexLayout = new VertexLayoutDescription
(
56,
0,
new VertexElementDescription[] {
new VertexElementDescription("isWorld", VertexElementFormat.UInt1, VertexElementSemantic.TextureCoordinate),
new VertexElementDescription("TexuringType", VertexElementFormat.UInt1, VertexElementSemantic.TextureCoordinate),
new VertexElementDescription("Position", VertexElementFormat.Float3, VertexElementSemantic.Position),
new VertexElementDescription("Color", VertexElementFormat.Float4, VertexElementSemantic.Color),
new VertexElementDescription("TexCoord0", VertexElementFormat.Float2, VertexElementSemantic.TextureCoordinate),
new VertexElementDescription("TexCoord1", VertexElementFormat.Float2, VertexElementSemantic.TextureCoordinate),
new VertexElementDescription("TexWeight0", VertexElementFormat.Float1, VertexElementSemantic.TextureCoordinate)
}
);
var uniformDescriptions = new ResourceLayoutElementDescription[3][];
//Thes resource layouts will match those that are used to create the resouce sets for the camera matrices and textures.
//It may be useful to feed a fixed version to both higher up. Also, I am assuming the string label means nothing as
//For textures they can be either 0 or 1.. anyway, i'm sure i get headaches later when using different graphics api backends
uniformDescriptions[0] = new ResourceLayoutElementDescription[]
{
new ResourceLayoutElementDescription("WorldViewProjection", ResourceKind.UniformBuffer, ShaderStages.Vertex)
};
uniformDescriptions[1] = new ResourceLayoutElementDescription[]
{
new ResourceLayoutElementDescription("texSampler0", ResourceKind.TextureReadOnly, ShaderStages.Fragment),
new ResourceLayoutElementDescription("tex0", ResourceKind.Sampler, ShaderStages.Fragment)
};
uniformDescriptions[2] = new ResourceLayoutElementDescription[]
{
new ResourceLayoutElementDescription("texSampler1", ResourceKind.TextureReadOnly, ShaderStages.Fragment),
new ResourceLayoutElementDescription("tex1", ResourceKind.Sampler, ShaderStages.Fragment)
};
_shaderPackage = _shaderLoader.CreateShaderPackage("DrawingVertex", AssetSourceEnum.Embedded, "DrawingFragment", AssetSourceEnum.Embedded, vertexLayout, uniformDescriptions);
}
private void CreateShaders()
{
var vertexLayout = new VertexLayoutDescription
(
56,
0,
new VertexElementDescription[] {
new VertexElementDescription("isWorld", VertexElementFormat.UInt1, VertexElementSemantic.TextureCoordinate),
new VertexElementDescription("TexuringType", VertexElementFormat.UInt1, VertexElementSemantic.TextureCoordinate),
new VertexElementDescription("Position", VertexElementFormat.Float3, VertexElementSemantic.Position),
new VertexElementDescription("Color", VertexElementFormat.Float4, VertexElementSemantic.Color),
new VertexElementDescription("TexCoord0", VertexElementFormat.Float2, VertexElementSemantic.TextureCoordinate),
new VertexElementDescription("TexCoord1", VertexElementFormat.Float2, VertexElementSemantic.TextureCoordinate),
new VertexElementDescription("TexWeight0", VertexElementFormat.Float1, VertexElementSemantic.TextureCoordinate)
}
);
var uniformDescriptions = new ResourceLayoutElementDescription[3][];
uniformDescriptions[0] = new ResourceLayoutElementDescription[]
{
new ResourceLayoutElementDescription("WorldViewProjection", ResourceKind.UniformBuffer, ShaderStages.Vertex)
};
uniformDescriptions[1] = new ResourceLayoutElementDescription[]
{
new ResourceLayoutElementDescription("texSampler0", ResourceKind.TextureReadOnly, ShaderStages.Fragment),
new ResourceLayoutElementDescription("tex0", ResourceKind.Sampler, ShaderStages.Fragment)
};
uniformDescriptions[2] = new ResourceLayoutElementDescription[]
{
new ResourceLayoutElementDescription("texSampler1", ResourceKind.TextureReadOnly, ShaderStages.Fragment),
new ResourceLayoutElementDescription("tex1", ResourceKind.Sampler, ShaderStages.Fragment)
};
_shaderPackage = _shaderLoader.CreateShaderPackage("DrawingVertex", AssetSourceEnum.Embedded, "DistortionHeightFragment", AssetSourceEnum.Embedded, vertexLayout, uniformDescriptions);
}
private void ProcessResourceSetLayouts(ResourceLayout[] layouts)
{
int resourceLayoutCount = layouts.Length;
_setInfos = new SetBindingsInfo[resourceLayoutCount];
int lastTextureLocation = -1;
int relativeTextureIndex = -1;
int relativeImageIndex = -1;
uint storageBlockIndex = 0; // Tracks OpenGL ES storage buffers.
for (uint setSlot = 0; setSlot < resourceLayoutCount; setSlot++)
{
ResourceLayout setLayout = layouts[setSlot];
OpenGLResourceLayout glSetLayout = Util.AssertSubtype <ResourceLayout, OpenGLResourceLayout>(setLayout);
ResourceLayoutElementDescription[] resources = glSetLayout.Elements;
Dictionary <uint, OpenGLUniformBinding> uniformBindings = new Dictionary <uint, OpenGLUniformBinding>();
Dictionary <uint, OpenGLTextureBindingSlotInfo> textureBindings = new Dictionary <uint, OpenGLTextureBindingSlotInfo>();
Dictionary <uint, OpenGLSamplerBindingSlotInfo> samplerBindings = new Dictionary <uint, OpenGLSamplerBindingSlotInfo>();
Dictionary <uint, OpenGLShaderStorageBinding> storageBufferBindings = new Dictionary <uint, OpenGLShaderStorageBinding>();
List <int> samplerTrackedRelativeTextureIndices = new List <int>();
for (uint i = 0; i < resources.Length; i++)
{
ResourceLayoutElementDescription resource = resources[i];
if (resource.Kind == ResourceKind.UniformBuffer)
{
string resourceName = resource.Name;
int byteCount = Encoding.UTF8.GetByteCount(resourceName) + 1;
byte * resourceNamePtr = stackalloc byte[byteCount];
fixed(char *charPtr = resourceName)
{
int bytesWritten = Encoding.UTF8.GetBytes(charPtr, resourceName.Length, resourceNamePtr, byteCount);
Debug.Assert(bytesWritten == byteCount - 1);
}
resourceNamePtr[byteCount - 1] = 0; // Add null terminator.
uint blockIndex = glGetUniformBlockIndex(_program, resourceNamePtr);
CheckLastError();
if (blockIndex != GL_INVALID_INDEX)
{
int blockSize;
glGetActiveUniformBlockiv(_program, blockIndex, ActiveUniformBlockParameter.UniformBlockDataSize, &blockSize);
CheckLastError();
uniformBindings[i] = new OpenGLUniformBinding(_program, blockIndex, (uint)blockSize);
}
}
else if (resource.Kind == ResourceKind.TextureReadOnly)
{
string resourceName = resource.Name;
int byteCount = Encoding.UTF8.GetByteCount(resourceName) + 1;
byte * resourceNamePtr = stackalloc byte[byteCount];
fixed(char *charPtr = resourceName)
{
int bytesWritten = Encoding.UTF8.GetBytes(charPtr, resourceName.Length, resourceNamePtr, byteCount);
Debug.Assert(bytesWritten == byteCount - 1);
}
resourceNamePtr[byteCount - 1] = 0; // Add null terminator.
int location = glGetUniformLocation(_program, resourceNamePtr);
CheckLastError();
relativeTextureIndex += 1;
textureBindings[i] = new OpenGLTextureBindingSlotInfo()
{
RelativeIndex = relativeTextureIndex, UniformLocation = location
};
lastTextureLocation = location;
samplerTrackedRelativeTextureIndices.Add(relativeTextureIndex);
}
else if (resource.Kind == ResourceKind.TextureReadWrite)
{
string resourceName = resource.Name;
int byteCount = Encoding.UTF8.GetByteCount(resourceName) + 1;
byte * resourceNamePtr = stackalloc byte[byteCount];
fixed(char *charPtr = resourceName)
{
int bytesWritten = Encoding.UTF8.GetBytes(charPtr, resourceName.Length, resourceNamePtr, byteCount);
Debug.Assert(bytesWritten == byteCount - 1);
}
resourceNamePtr[byteCount - 1] = 0; // Add null terminator.
int location = glGetUniformLocation(_program, resourceNamePtr);
CheckLastError();
relativeImageIndex += 1;
textureBindings[i] = new OpenGLTextureBindingSlotInfo()
{
RelativeIndex = relativeImageIndex, UniformLocation = location
};
}
else if (resource.Kind == ResourceKind.StructuredBufferReadOnly ||
resource.Kind == ResourceKind.StructuredBufferReadWrite)
{
uint storageBlockBinding;
if (_gd.BackendType == GraphicsBackend.OpenGL)
{
string resourceName = resource.Name;
int byteCount = Encoding.UTF8.GetByteCount(resourceName) + 1;
byte * resourceNamePtr = stackalloc byte[byteCount];
fixed(char *charPtr = resourceName)
{
int bytesWritten = Encoding.UTF8.GetBytes(charPtr, resourceName.Length, resourceNamePtr, byteCount);
Debug.Assert(bytesWritten == byteCount - 1);
}
resourceNamePtr[byteCount - 1] = 0; // Add null terminator.
storageBlockBinding = glGetProgramResourceIndex(
_program,
ProgramInterface.ShaderStorageBlock,
resourceNamePtr);
CheckLastError();
}
else
{
storageBlockBinding = storageBlockIndex;
storageBlockIndex += 1;
}
storageBufferBindings[i] = new OpenGLShaderStorageBinding(storageBlockBinding);
}
else
{
Debug.Assert(resource.Kind == ResourceKind.Sampler);
int[] relativeIndices = samplerTrackedRelativeTextureIndices.ToArray();
samplerTrackedRelativeTextureIndices.Clear();
samplerBindings[i] = new OpenGLSamplerBindingSlotInfo()
{
RelativeIndices = relativeIndices
};
}
}
_setInfos[setSlot] = new SetBindingsInfo(uniformBindings, textureBindings, samplerBindings, storageBufferBindings);
}
}
// TODO: Abstract Resource Crreation for Uniforms, Vertex Layouts, Disposing
override protected void CreateResources()
{
//string filePath = Path.Combine(AppContext.BaseDirectory, "Models/sphere.obj"); // huge
//string filePath = Path.Combine(AppContext.BaseDirectory, "Models/sphere_centered.obj"); // no texture coordiantes
string filePath = "armor/armor.dae";
_model = AssimpLoader.LoadFromFileWithRealtimeMaterial <VertexPositionNormalTextureTangent>(AppContext.BaseDirectory, filePath, VertexPositionNormalTextureTangent.HenzaiType);
//GeometryUtils.GenerateSphericalTextureCoordinatesFor(_model.meshes[0], UVMappingTypes.Spherical_Coordinates,true);
GeometryUtils.GenerateTangentSpaceFor(_model);
// _model = new Model<VertexPositionNormalTextureTangent>(GeometryFactory.generateSphere(100,100,1.0f));
/// Uniform 1 - Camera
_cameraProjViewBuffer = _factory.CreateBuffer(new BufferDescription(192, BufferUsage.UniformBuffer | BufferUsage.Dynamic));
var resourceLayoutElementDescription = new ResourceLayoutElementDescription("projViewWorld", ResourceKind.UniformBuffer, ShaderStages.Vertex);
ResourceLayoutElementDescription[] resourceLayoutElementDescriptions = { resourceLayoutElementDescription };
var resourceLayoutDescription = new ResourceLayoutDescription(resourceLayoutElementDescriptions);
BindableResource[] bindableResources = new BindableResource[] { _cameraProjViewBuffer };
_cameraResourceLayout = _factory.CreateResourceLayout(resourceLayoutDescription);
var resourceSetDescription = new ResourceSetDescription(_cameraResourceLayout, bindableResources);
_cameraResourceSet = _factory.CreateResourceSet(resourceSetDescription);
// Uniform 2 - Material
_materialBuffer = _factory.CreateBuffer(new BufferDescription(64, BufferUsage.UniformBuffer));
var resourceLayoutElementDescriptionMaterial = new ResourceLayoutElementDescription("material", ResourceKind.UniformBuffer, ShaderStages.Fragment);
ResourceLayoutElementDescription[] resourceLayoutElementDescriptionsMaterial = { resourceLayoutElementDescriptionMaterial };
var resourceLayoutDescriptionMaterial = new ResourceLayoutDescription(resourceLayoutElementDescriptionsMaterial);
BindableResource[] bindableResourcesMaterial = new BindableResource[] { _materialBuffer };
_materialResourceLayout = _factory.CreateResourceLayout(resourceLayoutDescriptionMaterial);
var resourceSetDescriptionMaterial = new ResourceSetDescription(_materialResourceLayout, bindableResourcesMaterial);
_materialResourceSet = _factory.CreateResourceSet(resourceSetDescriptionMaterial);
// Uniform 3 - Light
_lightBuffer = _factory.CreateBuffer(new BufferDescription(16, BufferUsage.UniformBuffer));
var resourceLayoutElementDescriptionLight = new ResourceLayoutElementDescription("light", ResourceKind.UniformBuffer, ShaderStages.Vertex);
ResourceLayoutElementDescription[] resourceLayoutElementDescriptionsLight = { resourceLayoutElementDescriptionLight };
var resourceLayoutDescriptionLight = new ResourceLayoutDescription(resourceLayoutElementDescriptionsLight);
BindableResource[] bindableResourcesLight = new BindableResource[] { _lightBuffer };
_lightResourceLayout = _factory.CreateResourceLayout(resourceLayoutDescriptionLight);
var resourceSetDescriptionLight = new ResourceSetDescription(_lightResourceLayout, bindableResourcesLight);
_lightResourceSet = _factory.CreateResourceSet(resourceSetDescriptionLight);
for (int i = 0; i < _model.MeshCount; i++)
{
var mesh = _model.GetMesh(i);
DeviceBuffer vertexBuffer
= _factory.CreateBuffer(new BufferDescription(mesh.Vertices.LengthUnsigned() * VertexPositionNormalTextureTangent.SizeInBytes, BufferUsage.VertexBuffer));
DeviceBuffer indexBuffer
= _factory.CreateBuffer(new BufferDescription(mesh.Indices.LengthUnsigned() * sizeof(ushort), BufferUsage.IndexBuffer));
_vertexBuffers.Add(vertexBuffer);
_indexBuffers.Add(indexBuffer);
GraphicsDevice.UpdateBuffer(vertexBuffer, 0, mesh.Vertices);
GraphicsDevice.UpdateBuffer(indexBuffer, 0, mesh.Indices);
}
//Texture Samper
// ImageSharpTexture diffuseTexture = new ImageSharpTexture(Path.Combine(AppContext.BaseDirectory, "Textures", "earth.jpg"));
// ImageSharpTexture diffuseTexture = new ImageSharpTexture(Path.Combine(AppContext.BaseDirectory, "Textures", "Water.jpg"));
ImageSharpTexture diffuseTexture = new ImageSharpTexture(Path.Combine(AppContext.BaseDirectory, "armor", "diffuse.png"));
Texture sphereDiffuseTexture = diffuseTexture.CreateDeviceTexture(GraphicsDevice, _factory);
TextureView sphereDiffuseTextureView = _factory.CreateTextureView(sphereDiffuseTexture);
// ImageSharpTexture normalTexture = new ImageSharpTexture(Path.Combine(AppContext.BaseDirectory, "Textures", "WaterNorm.jpg"));
ImageSharpTexture normalTexture = new ImageSharpTexture(Path.Combine(AppContext.BaseDirectory, "armor", "normal.png"));
Texture sphereNormalTexture = normalTexture.CreateDeviceTexture(GraphicsDevice, _factory);
TextureView sphereNormalTextureView = _factory.CreateTextureView(sphereNormalTexture);
ResourceLayout textureLayout = _factory.CreateResourceLayout(
new ResourceLayoutDescription(
new ResourceLayoutElementDescription("DiffuseTexture", ResourceKind.TextureReadOnly, ShaderStages.Fragment),
new ResourceLayoutElementDescription("DiffuseSampler", ResourceKind.Sampler, ShaderStages.Fragment),
new ResourceLayoutElementDescription("NormTexture", ResourceKind.TextureReadOnly, ShaderStages.Fragment),
new ResourceLayoutElementDescription("NormSampler", ResourceKind.Sampler, ShaderStages.Fragment)
));
var sampler = _factory.CreateSampler(new SamplerDescription
{
AddressModeU = SamplerAddressMode.Wrap,
AddressModeV = SamplerAddressMode.Wrap,
AddressModeW = SamplerAddressMode.Wrap,
Filter = SamplerFilter.MinLinear_MagLinear_MipLinear,
LodBias = 0,
MinimumLod = 0,
MaximumLod = uint.MaxValue,
MaximumAnisotropy = 0,
});
_textureResourceSet = _factory.CreateResourceSet(new ResourceSetDescription(
textureLayout,
sphereDiffuseTextureView,
GraphicsDevice.LinearSampler,
sphereNormalTextureView,
sampler
));
VertexLayoutDescription vertexLayout
= new VertexLayoutDescription(
new VertexElementDescription("Position", VertexElementSemantic.Position, VertexElementFormat.Float3),
new VertexElementDescription("Normal", VertexElementSemantic.Normal, VertexElementFormat.Float3),
new VertexElementDescription("UV", VertexElementSemantic.TextureCoordinate, VertexElementFormat.Float2),
new VertexElementDescription("Tangent", VertexElementSemantic.Normal, VertexElementFormat.Float3)
);
_vertexShader = IO.LoadShader("PhongTexture", ShaderStages.Vertex, GraphicsDevice);
_fragmentShader = IO.LoadShader("PhongTexture", ShaderStages.Fragment, GraphicsDevice);
GraphicsPipelineDescription pipelineDescription = new GraphicsPipelineDescription()
{
BlendState = BlendStateDescription.SingleOverrideBlend,
DepthStencilState = DepthStencilStateDescription.DepthOnlyLessEqual,
RasterizerState = new RasterizerStateDescription(
cullMode: FaceCullMode.Back,
fillMode: PolygonFillMode.Solid,
frontFace: FrontFace.Clockwise,
depthClipEnabled: true,
scissorTestEnabled: false
),
PrimitiveTopology = PrimitiveTopology.TriangleList,
ResourceLayouts = new ResourceLayout[] { _cameraResourceLayout, _lightResourceLayout, _materialResourceLayout, textureLayout },
ShaderSet = new ShaderSetDescription(
vertexLayouts: new VertexLayoutDescription[] { vertexLayout },
shaders: new Shader[] { _vertexShader, _fragmentShader }
),
Outputs = GraphicsDevice.SwapchainFramebuffer.OutputDescription
};
_pipeline = _factory.CreateGraphicsPipeline(pipelineDescription);
}
private void CreateShaders()
{
//Vertex layout is the same for all custom shaders
var vertexLayout = new VertexLayoutDescription
(
16,
0,
new VertexElementDescription[]
{
new VertexElementDescription("Position", VertexElementFormat.Float2, VertexElementSemantic.Position),
new VertexElementDescription("VTex", VertexElementFormat.Float2, VertexElementSemantic.TextureCoordinate)
}
);
//Build up the uniform descriptions & create buffers where required
var uniformDescriptions = new List <ResourceLayoutElementDescription[]>();
var numUniforms = _userUniformDescriptions.Length;
var textureCount = 0;
for (var n = 0; n < numUniforms; n++)
{
var desc = _userUniformDescriptions[n];
switch (desc.UniformType)
{
case ShaderUniformType.Texture:
if (textureCount >= 4)
{
_frameworkMessenger.Report("Customer Shader has more than 4 textures, not currently allowed, skipping uniform");
continue;
}
textureCount++;
uniformDescriptions.Add(
new ResourceLayoutElementDescription[]
{
new ResourceLayoutElementDescription(string.Concat("Sampler_", desc.Name), ResourceKind.TextureReadOnly, ShaderStages.Fragment),
new ResourceLayoutElementDescription(string.Concat("Texture_", desc.Name), ResourceKind.Sampler, ShaderStages.Fragment)
}
);
break;
case ShaderUniformType.Data:
var description = new ResourceLayoutElementDescription[]
{
new ResourceLayoutElementDescription(desc.Name, ResourceKind.UniformBuffer, ShaderStages.Fragment)
};
uniformDescriptions.Add(description);
var buffer = CreateUniformBuffer(description, desc);
_uniformBuffers[n] = buffer;
_uniformBufferNameLookup.Add(desc.Name, n);
break;
}
}
var vertexShaderFileName = "Vertex2D";
if (_useSpirvCompile)
{
//Different Vertex Shaders account for differences in backend (incl. Texcoord origin)
switch (_systemComponents.Device.BackendType)
{
case GraphicsApi.Direct3D11:
case GraphicsApi.Metal:
vertexShaderFileName = "Vertex2D-TcTopLeft";
break;
case GraphicsApi.Vulkan:
case GraphicsApi.OpenGL:
vertexShaderFileName = "Vertex2D-TcBottomLeft";
break;
case GraphicsApi.OpenGLES:
case GraphicsApi.SystemDefault:
throw new Yak2DException("Type is either unsupported or erroneously stored as system default");
}
}
_shaderPackage = _shaderLoader.CreateShaderPackage(vertexShaderFileName,
AssetSourceEnum.Embedded,
_fragmentShaderFilename,
_shaderFileAssetType,
vertexLayout,
uniformDescriptions.ToArray(),
_useSpirvCompile,
_useSpirvCompile);
}
private void ProcessResourceSetLayouts(ResourceLayout[] layouts)
{
int resourceLayoutCount = layouts.Length;
_setInfos = new SetBindingsInfo[resourceLayoutCount];
int lastTextureLocation = -1;
int relativeTextureIndex = -1;
int relativeImageIndex = -1;
uint storageBlockIndex = 0; // Tracks OpenGL ES storage buffers.
for (uint setSlot = 0; setSlot < resourceLayoutCount; setSlot++)
{
ResourceLayout setLayout = layouts[setSlot];
OpenGLResourceLayout glSetLayout = Util.AssertSubtype <ResourceLayout, OpenGLResourceLayout>(setLayout);
ResourceLayoutElementDescription[] resources = glSetLayout.Elements;
Dictionary <uint, OpenGLUniformBinding> uniformBindings = new Dictionary <uint, OpenGLUniformBinding>();
Dictionary <uint, OpenGLTextureBindingSlotInfo> textureBindings = new Dictionary <uint, OpenGLTextureBindingSlotInfo>();
Dictionary <uint, OpenGLSamplerBindingSlotInfo> samplerBindings = new Dictionary <uint, OpenGLSamplerBindingSlotInfo>();
Dictionary <uint, OpenGLShaderStorageBinding> storageBufferBindings = new Dictionary <uint, OpenGLShaderStorageBinding>();
List <int> samplerTrackedRelativeTextureIndices = new List <int>();
for (uint i = 0; i < resources.Length; i++)
{
ResourceLayoutElementDescription resource = resources[i];
if (resource.Kind == ResourceKind.UniformBuffer)
{
string resourceName = resource.Name;
int byteCount = Encoding.UTF8.GetByteCount(resourceName) + 1;
byte * resourceNamePtr = stackalloc byte[byteCount];
fixed(char *charPtr = resourceName)
{
int bytesWritten = Encoding.UTF8.GetBytes(charPtr, resourceName.Length, resourceNamePtr, byteCount);
Debug.Assert(bytesWritten == byteCount - 1);
}
resourceNamePtr[byteCount - 1] = 0; // Add null terminator.
uint blockIndex = glGetUniformBlockIndex(_program, resourceNamePtr);
CheckLastError();
if (blockIndex != GL_INVALID_INDEX)
{
int blockSize;
glGetActiveUniformBlockiv(_program, blockIndex, ActiveUniformBlockParameter.UniformBlockDataSize, &blockSize);
CheckLastError();
uniformBindings[i] = new OpenGLUniformBinding(_program, blockIndex, (uint)blockSize);
}
#if DEBUG && GL_VALIDATE_SHADER_RESOURCE_NAMES
else
{
uint uniformBufferIndex = 0;
uint bufferNameByteCount = 64;
byte *bufferNamePtr = stackalloc byte[(int)bufferNameByteCount];
var names = new List <string>();
while (true)
{
uint actualLength;
glGetActiveUniformBlockName(_program, uniformBufferIndex, bufferNameByteCount, &actualLength, bufferNamePtr);
if (glGetError() != 0)
{
break;
}
string name = Encoding.UTF8.GetString(bufferNamePtr, (int)actualLength);
names.Add(name);
uniformBufferIndex++;
}
throw new VeldridException($"Unable to bind uniform buffer \"{resourceName}\" by name. Valid names for this pipeline are: {string.Join(", ", names)}");
}
#endif
}
else if (resource.Kind == ResourceKind.TextureReadOnly)
{
string resourceName = resource.Name;
int byteCount = Encoding.UTF8.GetByteCount(resourceName) + 1;
byte * resourceNamePtr = stackalloc byte[byteCount];
fixed(char *charPtr = resourceName)
{
int bytesWritten = Encoding.UTF8.GetBytes(charPtr, resourceName.Length, resourceNamePtr, byteCount);
Debug.Assert(bytesWritten == byteCount - 1);
}
resourceNamePtr[byteCount - 1] = 0; // Add null terminator.
int location = glGetUniformLocation(_program, resourceNamePtr);
CheckLastError();
#if DEBUG && GL_VALIDATE_SHADER_RESOURCE_NAMES
if (location == -1)
{
ReportInvalidResourceName(resourceName);
}
#endif
relativeTextureIndex += 1;
textureBindings[i] = new OpenGLTextureBindingSlotInfo()
{
RelativeIndex = relativeTextureIndex, UniformLocation = location
};
lastTextureLocation = location;
samplerTrackedRelativeTextureIndices.Add(relativeTextureIndex);
}
else if (resource.Kind == ResourceKind.TextureReadWrite)
{
string resourceName = resource.Name;
int byteCount = Encoding.UTF8.GetByteCount(resourceName) + 1;
byte * resourceNamePtr = stackalloc byte[byteCount];
fixed(char *charPtr = resourceName)
{
int bytesWritten = Encoding.UTF8.GetBytes(charPtr, resourceName.Length, resourceNamePtr, byteCount);
Debug.Assert(bytesWritten == byteCount - 1);
}
resourceNamePtr[byteCount - 1] = 0; // Add null terminator.
int location = glGetUniformLocation(_program, resourceNamePtr);
CheckLastError();
#if DEBUG && GL_VALIDATE_SHADER_RESOURCE_NAMES
if (location == -1)
{
ReportInvalidResourceName(resourceName);
}
#endif
relativeImageIndex += 1;
textureBindings[i] = new OpenGLTextureBindingSlotInfo()
{
RelativeIndex = relativeImageIndex, UniformLocation = location
};
}
else if (resource.Kind == ResourceKind.StructuredBufferReadOnly ||
resource.Kind == ResourceKind.StructuredBufferReadWrite)
{
uint storageBlockBinding;
if (_gd.BackendType == GraphicsBackend.OpenGL)
{
string resourceName = resource.Name;
int byteCount = Encoding.UTF8.GetByteCount(resourceName) + 1;
byte * resourceNamePtr = stackalloc byte[byteCount];
fixed(char *charPtr = resourceName)
{
int bytesWritten = Encoding.UTF8.GetBytes(charPtr, resourceName.Length, resourceNamePtr, byteCount);
Debug.Assert(bytesWritten == byteCount - 1);
}
resourceNamePtr[byteCount - 1] = 0; // Add null terminator.
storageBlockBinding = glGetProgramResourceIndex(
_program,
ProgramInterface.ShaderStorageBlock,
resourceNamePtr);
CheckLastError();
}
else
{
storageBlockBinding = storageBlockIndex;
storageBlockIndex += 1;
}
storageBufferBindings[i] = new OpenGLShaderStorageBinding(storageBlockBinding);
}
else
{
Debug.Assert(resource.Kind == ResourceKind.Sampler);
int[] relativeIndices = samplerTrackedRelativeTextureIndices.ToArray();
samplerTrackedRelativeTextureIndices.Clear();
samplerBindings[i] = new OpenGLSamplerBindingSlotInfo()
{
RelativeIndices = relativeIndices
};
}
}
_setInfos[setSlot] = new SetBindingsInfo(uniformBindings, textureBindings, samplerBindings, storageBufferBindings);
}
}
public IPipelineBuilder With(ResourceLayoutElementDescription resourceLayoutDescr)
{
resLayoutElements.Last().Add(resourceLayoutDescr);
return(this);
}
private void CreateShadersAndFactorsUniform()
{
var vertexLayout = new VertexLayoutDescription
(
16,
0,
new VertexElementDescription[]
{
new VertexElementDescription("Position", VertexElementFormat.Float2, VertexElementSemantic.Position),
new VertexElementDescription("VTex", VertexElementFormat.Float2, VertexElementSemantic.TextureCoordinate)
}
);
var uniformDescriptions = new ResourceLayoutElementDescription[3][];
uniformDescriptions[0] = new ResourceLayoutElementDescription[]
{
new ResourceLayoutElementDescription("Sampler", ResourceKind.TextureReadOnly, ShaderStages.Fragment),
new ResourceLayoutElementDescription("Texture", ResourceKind.Sampler, ShaderStages.Fragment)
};
uniformDescriptions[1] = new ResourceLayoutElementDescription[]
{
new ResourceLayoutElementDescription("LinearSampledGaussianUniforms", ResourceKind.UniformBuffer, ShaderStages.Fragment)
};
uniformDescriptions[2] = new ResourceLayoutElementDescription[]
{
new ResourceLayoutElementDescription("WeightsAndOffsets", ResourceKind.UniformBuffer, ShaderStages.Fragment)
};
_shaderPackage = _shaderLoader.CreateShaderPackage("Vertex2D", AssetSourceEnum.Embedded, "LinearFilterGaussianBlur1DFragment", AssetSourceEnum.Embedded, vertexLayout, uniformDescriptions);
var gaussianUniformBlockResourceLayoutDescription = uniformDescriptions[1][0];
_gaussianFactorsUniformBlockBuffer = _systemComponents.Factory.CreateBuffer(new BufferDescription(GaussianBlurFactors.SizeInBytes, BufferUsage.UniformBuffer | BufferUsage.Dynamic));
var gaussianFactorsResourceLayout = _systemComponents.Factory.CreateResourceLayout(
new ResourceLayoutDescription(
gaussianUniformBlockResourceLayoutDescription
)
);
_gaussianFactorsUniformBlockResourceSet = _systemComponents.Factory.CreateResourceSet(
new ResourceSetDescription(gaussianFactorsResourceLayout, _gaussianFactorsUniformBlockBuffer)
);
var weightsAndOffsetsResourceLayoutDescription = uniformDescriptions[2][0];
_weightsAndOffsetsDeviceBuffer = _systemComponents.Factory.CreateBuffer(new BufferDescription((uint)_gaussianWeightsAndOffsetsCache.WeightsAndOffsetsArraySize * GaussianBlurArrayComponent.SizeInBytes, BufferUsage.UniformBuffer | BufferUsage.Dynamic));
var weightsAndOffsetsResourceLayoutFactors = _systemComponents.Factory.CreateResourceLayout(
new ResourceLayoutDescription(
weightsAndOffsetsResourceLayoutDescription
)
);
_weightsAndOffsetsResourceSet = _systemComponents.Factory.CreateResourceSet(
new ResourceSetDescription(weightsAndOffsetsResourceLayoutFactors, _weightsAndOffsetsDeviceBuffer)
);
}
// TODO: Abstract Resource Crreation for Uniforms, Vertex Layouts, Disposing
override protected void CreateResources()
{
RgbaFloat lightColor = RgbaFloat.LightGrey;
var lightLookAt = new Vector4(0, 0, 0, 1);
var lightCam = new OrthographicCamera(35, 35, Light.DEFAULT_POSITION, lightLookAt);
_sceneRuntimeState.Light = new Light(lightCam, lightColor, 0.1f);
// string filePath = Path.Combine(AppContext.BaseDirectory, "Models/sphere.obj");
//string filePath = Path.Combine(AppContext.BaseDirectory, "Models/300_polygon_sphere_100mm.STL");
// string filePath = "Models/sphere_centered.obj";
string filePath = "Models/chinesedragon.dae";
// string filePath = "Models/Box.dae";
_model = AssimpLoader.LoadFromFileWithRealtimeMaterial <VertexPositionNormal>(AppContext.BaseDirectory, filePath, VertexPositionNormal.HenzaiType);
//GeometryUtils.GenerateSphericalTextureCoordinatesFor(_model.meshes[0]);
/// Uniform 1 - Camera
_cameraProjViewBuffer = _factory.CreateBuffer(new BufferDescription(Camera.SizeInBytes, BufferUsage.UniformBuffer | BufferUsage.Dynamic));
var resourceLayoutElementDescription = new ResourceLayoutElementDescription("projViewWorld", ResourceKind.UniformBuffer, ShaderStages.Vertex);
ResourceLayoutElementDescription[] resourceLayoutElementDescriptions = { resourceLayoutElementDescription };
var resourceLayoutDescription = new ResourceLayoutDescription(resourceLayoutElementDescriptions);
BindableResource[] bindableResources = new BindableResource[] { _cameraProjViewBuffer };
_cameraResourceLayout = _factory.CreateResourceLayout(resourceLayoutDescription);
var resourceSetDescription = new ResourceSetDescription(_cameraResourceLayout, bindableResources);
_cameraResourceSet = _factory.CreateResourceSet(resourceSetDescription);
// Uniform 2 - Material
_materialBuffer = _factory.CreateBuffer(new BufferDescription(RealtimeMaterial.SizeInBytes, BufferUsage.UniformBuffer));
var resourceLayoutElementDescriptionMaterial = new ResourceLayoutElementDescription("material", ResourceKind.UniformBuffer, ShaderStages.Fragment);
ResourceLayoutElementDescription[] resourceLayoutElementDescriptionsMaterial = { resourceLayoutElementDescriptionMaterial };
var resourceLayoutDescriptionMaterial = new ResourceLayoutDescription(resourceLayoutElementDescriptionsMaterial);
BindableResource[] bindableResourcesMaterial = new BindableResource[] { _materialBuffer };
_materialResourceLayout = _factory.CreateResourceLayout(resourceLayoutDescriptionMaterial);
var resourceSetDescriptionMaterial = new ResourceSetDescription(_materialResourceLayout, bindableResourcesMaterial);
_materialResourceSet = _factory.CreateResourceSet(resourceSetDescriptionMaterial);
// Uniform 3 - Light
_lightBuffer = _factory.CreateBuffer(new BufferDescription(Light.SizeInBytes, BufferUsage.UniformBuffer));
var resourceLayoutElementDescriptionLight = new ResourceLayoutElementDescription("light", ResourceKind.UniformBuffer, ShaderStages.Fragment);
ResourceLayoutElementDescription[] resourceLayoutElementDescriptionsLight = { resourceLayoutElementDescriptionLight };
var resourceLayoutDescriptionLight = new ResourceLayoutDescription(resourceLayoutElementDescriptionsLight);
BindableResource[] bindableResourcesLight = new BindableResource[] { _lightBuffer };
_lightResourceLayout = _factory.CreateResourceLayout(resourceLayoutDescriptionLight);
var resourceSetDescriptionLight = new ResourceSetDescription(_lightResourceLayout, bindableResourcesLight);
_lightResourceSet = _factory.CreateResourceSet(resourceSetDescriptionLight);
for (int i = 0; i < _model.MeshCount; i++)
{
var mesh = _model.GetMesh(i);
DeviceBuffer vertexBuffer
= _factory.CreateBuffer(new BufferDescription(mesh.Vertices.LengthUnsigned() * VertexPositionNormal.SizeInBytes, BufferUsage.VertexBuffer));
DeviceBuffer indexBuffer
= _factory.CreateBuffer(new BufferDescription(mesh.Indices.LengthUnsigned() * sizeof(ushort), BufferUsage.IndexBuffer));
_vertexBuffers.Add(vertexBuffer);
_indexBuffers.Add(indexBuffer);
GraphicsDevice.UpdateBuffer(vertexBuffer, 0, mesh.Vertices);
GraphicsDevice.UpdateBuffer(indexBuffer, 0, mesh.Indices);
}
VertexLayoutDescription vertexLayout
= new VertexLayoutDescription(
new VertexElementDescription("Position", VertexElementSemantic.Position, VertexElementFormat.Float3),
new VertexElementDescription("Normal", VertexElementSemantic.Normal, VertexElementFormat.Float3)
//new VertexElementDescription("UV",VertexElementSemantic.TextureCoordinate,VertexElementFormat.Float2)
);
_vertexShader = IO.LoadShader("Phong", ShaderStages.Vertex, GraphicsDevice);
_fragmentShader = IO.LoadShader("Phong", ShaderStages.Fragment, GraphicsDevice);
GraphicsPipelineDescription pipelineDescription = new GraphicsPipelineDescription()
{
BlendState = BlendStateDescription.SingleOverrideBlend,
DepthStencilState = DepthStencilStateDescription.DepthOnlyLessEqual,
RasterizerState = new RasterizerStateDescription(
cullMode: FaceCullMode.Back,
fillMode: PolygonFillMode.Solid, // Wireframe doesnt seem to work with metal
frontFace: FrontFace.Clockwise,
depthClipEnabled: true,
scissorTestEnabled: false
),
PrimitiveTopology = PrimitiveTopology.TriangleList,
//ResourceLayouts = new ResourceLayout[] {_cameraResourceLayout,_materialResourceLayout,_lightResourceLayout},
ResourceLayouts = new ResourceLayout[] { _cameraResourceLayout, _lightResourceLayout, _materialResourceLayout },
ShaderSet = new ShaderSetDescription(
vertexLayouts: new VertexLayoutDescription[] { vertexLayout },
shaders: new Shader[] { _vertexShader, _fragmentShader }
),
Outputs = GraphicsDevice.SwapchainFramebuffer.OutputDescription
};
_pipeline = _factory.CreateGraphicsPipeline(pipelineDescription);
}
override protected void CreateResources()
{
_cameraProjViewBuffer = _factory.CreateBuffer(new BufferDescription(128, BufferUsage.UniformBuffer | BufferUsage.Dynamic));
ResourceLayoutElementDescription resourceLayoutElementDescription = new ResourceLayoutElementDescription("projView", ResourceKind.UniformBuffer, ShaderStages.Vertex);
ResourceLayoutElementDescription[] resourceLayoutElementDescriptions = { resourceLayoutElementDescription };
ResourceLayoutDescription resourceLayoutDescription = new ResourceLayoutDescription(resourceLayoutElementDescriptions);
BindableResource[] bindableResources = new BindableResource[] { _cameraProjViewBuffer };
_resourceLayout = _factory.CreateResourceLayout(resourceLayoutDescription);
ResourceSetDescription resourceSetDescription = new ResourceSetDescription(_resourceLayout, bindableResources);
_resourceSet = _factory.CreateResourceSet(resourceSetDescription);
Mesh <VertexPositionNDCColor> coloredQuad
= GeometryFactory.GenerateColorQuadNDC_XY(RgbaFloat.Red, RgbaFloat.Green, RgbaFloat.Blue, RgbaFloat.Yellow);
ushort[] quadIndicies = GeometryFactory.GenerateQuadIndicies_TriangleStrip_CW();
float[] _xOffset = { -2f, 2f };
// declare (VBO) buffers
_vertexBuffer
= _factory.CreateBuffer(new BufferDescription(coloredQuad.Vertices.LengthUnsigned() * VertexPositionNDCColor.SizeInBytes, BufferUsage.VertexBuffer));
_indexBuffer
= _factory.CreateBuffer(new BufferDescription(quadIndicies.LengthUnsigned() * sizeof(ushort), BufferUsage.IndexBuffer));
_xOffsetBuffer
= _factory.CreateBuffer(new BufferDescription(_xOffset.LengthUnsigned() * sizeof(float), BufferUsage.VertexBuffer));
// fill buffers with data
GraphicsDevice.UpdateBuffer(_vertexBuffer, 0, coloredQuad.Vertices);
GraphicsDevice.UpdateBuffer(_indexBuffer, 0, quadIndicies);
GraphicsDevice.UpdateBuffer(_xOffsetBuffer, 0, _xOffset);
GraphicsDevice.UpdateBuffer(_cameraProjViewBuffer, 0, Camera.ViewMatrix);
GraphicsDevice.UpdateBuffer(_cameraProjViewBuffer, 64, Camera.ProjectionMatrix);
VertexLayoutDescription vertexLayout
= new VertexLayoutDescription(
new VertexElementDescription("Position", VertexElementSemantic.Position, VertexElementFormat.Float2),
new VertexElementDescription("Color", VertexElementSemantic.Color, VertexElementFormat.Float4)
);
VertexElementDescription vertexElementPerInstance
= new VertexElementDescription("xOff", VertexElementSemantic.Position, VertexElementFormat.Float1);
VertexLayoutDescription vertexLayoutPerInstance
= new VertexLayoutDescription(
stride: 4,
instanceStepRate: 1,
elements: new VertexElementDescription[] { vertexElementPerInstance }
);
_vertexShader = IO.LoadShader("OffsetXNDCColor", ShaderStages.Vertex, GraphicsDevice);
_fragmentShader = IO.LoadShader("Color", ShaderStages.Fragment, GraphicsDevice);
GraphicsPipelineDescription pipelineDescription = new GraphicsPipelineDescription()
{
BlendState = BlendStateDescription.SingleOverrideBlend,
DepthStencilState = new DepthStencilStateDescription(
depthTestEnabled: true,
depthWriteEnabled: true,
comparisonKind: ComparisonKind.LessEqual),
RasterizerState = new RasterizerStateDescription(
cullMode: FaceCullMode.Back,
fillMode: PolygonFillMode.Solid,
frontFace: FrontFace.Clockwise,
depthClipEnabled: true,
scissorTestEnabled: false
),
PrimitiveTopology = PrimitiveTopology.TriangleStrip,
ResourceLayouts = new ResourceLayout[] { _resourceLayout },
ShaderSet = new ShaderSetDescription(
vertexLayouts: new VertexLayoutDescription[] { vertexLayout, vertexLayoutPerInstance },
shaders: new Shader[] { _vertexShader, _fragmentShader }
),
Outputs = GraphicsDevice.SwapchainFramebuffer.OutputDescription
};
_pipeline = _factory.CreateGraphicsPipeline(pipelineDescription);
}
private void CreateShadersAndBuffer()
{
var vertexLayout = new VertexLayoutDescription
(
16,
0,
new VertexElementDescription[]
{
new VertexElementDescription("Position", VertexElementFormat.Float2, VertexElementSemantic.Position),
new VertexElementDescription("VTex", VertexElementFormat.Float2, VertexElementSemantic.TextureCoordinate)
}
);
var uniformDescriptions = new ResourceLayoutElementDescription[6][];
uniformDescriptions[0] = new ResourceLayoutElementDescription[]
{
new ResourceLayoutElementDescription("MixFactors", ResourceKind.UniformBuffer, ShaderStages.Fragment)
};
uniformDescriptions[1] = new ResourceLayoutElementDescription[]
{
new ResourceLayoutElementDescription("SamplerMix", ResourceKind.TextureReadOnly, ShaderStages.Fragment),
new ResourceLayoutElementDescription("TextureMix", ResourceKind.Sampler, ShaderStages.Fragment)
};
uniformDescriptions[2] = new ResourceLayoutElementDescription[]
{
new ResourceLayoutElementDescription("Sampler0", ResourceKind.TextureReadOnly, ShaderStages.Fragment),
new ResourceLayoutElementDescription("Texture0", ResourceKind.Sampler, ShaderStages.Fragment)
};
uniformDescriptions[3] = new ResourceLayoutElementDescription[]
{
new ResourceLayoutElementDescription("Sampler1", ResourceKind.TextureReadOnly, ShaderStages.Fragment),
new ResourceLayoutElementDescription("Texture1", ResourceKind.Sampler, ShaderStages.Fragment)
};
uniformDescriptions[4] = new ResourceLayoutElementDescription[]
{
new ResourceLayoutElementDescription("Sampler2", ResourceKind.TextureReadOnly, ShaderStages.Fragment),
new ResourceLayoutElementDescription("Texture2", ResourceKind.Sampler, ShaderStages.Fragment)
};
uniformDescriptions[5] = new ResourceLayoutElementDescription[]
{
new ResourceLayoutElementDescription("Sampler3", ResourceKind.TextureReadOnly, ShaderStages.Fragment),
new ResourceLayoutElementDescription("Texture3", ResourceKind.Sampler, ShaderStages.Fragment)
};
_shaderPackage = _shaderLoader.CreateShaderPackage("Vertex2D", AssetSourceEnum.Embedded, "MixFragment", AssetSourceEnum.Embedded, vertexLayout, uniformDescriptions);
_mixFactorsBuffer = _systemComponents.Factory.CreateBuffer(new BufferDescription(MixStageFactors.SizeInBytes, BufferUsage.UniformBuffer | BufferUsage.Dynamic));
var resourceLayout = _systemComponents.Factory.CreateResourceLayout(
new ResourceLayoutDescription(
uniformDescriptions[0]
)
);
_mixFactorsResource = _systemComponents.Factory.CreateResourceSet(
new ResourceSetDescription(resourceLayout, _mixFactorsBuffer)
);
}
override protected void CreateResources()
{
_cameraProjViewBuffer = _factory.CreateBuffer(new BufferDescription(Camera.SizeInBytes, BufferUsage.UniformBuffer | BufferUsage.Dynamic));
ResourceLayoutElementDescription resourceLayoutElementDescription = new ResourceLayoutElementDescription("projView", ResourceKind.UniformBuffer, ShaderStages.Vertex);
ResourceLayoutElementDescription[] resourceLayoutElementDescriptions = { resourceLayoutElementDescription };
ResourceLayoutDescription resourceLayoutDescription = new ResourceLayoutDescription(resourceLayoutElementDescriptions);
BindableResource[] bindableResources = new BindableResource[] { _cameraProjViewBuffer };
_resourceLayout = _factory.CreateResourceLayout(resourceLayoutDescription);
ResourceSetDescription resourceSetDescription = new ResourceSetDescription(_resourceLayout, bindableResources);
_cameraResourceSet = _factory.CreateResourceSet(resourceSetDescription);
ImageSharpTexture NameImage = new ImageSharpTexture(Path.Combine(AppContext.BaseDirectory, "Textures", "Name.png"));
Texture cubeTexture = NameImage.CreateDeviceTexture(GraphicsDevice, _factory);
TextureView cubeTextureView = _factory.CreateTextureView(cubeTexture);
ResourceLayout textureLayout = _factory.CreateResourceLayout(
new ResourceLayoutDescription(
new ResourceLayoutElementDescription("Texture", ResourceKind.TextureReadOnly, ShaderStages.Fragment),
new ResourceLayoutElementDescription("Sampler", ResourceKind.Sampler, ShaderStages.Fragment)));
_textureResourceSet = _factory.CreateResourceSet(new ResourceSetDescription(
textureLayout,
cubeTextureView,
GraphicsDevice.LinearSampler));
Mesh <VertexPositionTexture> texturedCube
= GeometryFactory.GenerateTexturedCube(false);
ushort[] cubeIndicies = GeometryFactory.generateCubeIndicies_TriangleList_CW();
// declare (VBO) buffers
_vertexBuffer
= _factory.CreateBuffer(new BufferDescription(texturedCube.Vertices.LengthUnsigned() * VertexPositionTexture.SizeInBytes, BufferUsage.VertexBuffer));
_indexBuffer
= _factory.CreateBuffer(new BufferDescription(cubeIndicies.LengthUnsigned() * sizeof(ushort), BufferUsage.IndexBuffer));
// fill buffers with data
GraphicsDevice.UpdateBuffer(_vertexBuffer, 0, texturedCube.Vertices);
GraphicsDevice.UpdateBuffer(_indexBuffer, 0, cubeIndicies);
//graphicsDevice.UpdateBuffer(_cameraProjViewBuffer,0,camera.ViewMatrix);
//graphicsDevice.UpdateBuffer(_cameraProjViewBuffer,64,camera.ProjectionMatrix);
VertexLayoutDescription vertexLayout
= new VertexLayoutDescription(
new VertexElementDescription("Position", VertexElementSemantic.Position, VertexElementFormat.Float3),
new VertexElementDescription("UV", VertexElementSemantic.TextureCoordinate, VertexElementFormat.Float2)
);
_vertexShader = IO.LoadShader("Texture", ShaderStages.Vertex, GraphicsDevice);
_fragmentShader = IO.LoadShader("Texture", ShaderStages.Fragment, GraphicsDevice);
GraphicsPipelineDescription pipelineDescription = new GraphicsPipelineDescription()
{
BlendState = BlendStateDescription.SingleOverrideBlend,
DepthStencilState = DepthStencilStateDescription.DepthOnlyLessEqual,
RasterizerState = new RasterizerStateDescription(
cullMode: FaceCullMode.Back,
fillMode: PolygonFillMode.Solid,
frontFace: FrontFace.Clockwise,
depthClipEnabled: true,
scissorTestEnabled: false
),
PrimitiveTopology = PrimitiveTopology.TriangleList,
ResourceLayouts = new ResourceLayout[] { _resourceLayout, textureLayout },
ShaderSet = new ShaderSetDescription(
vertexLayouts: new VertexLayoutDescription[] { vertexLayout },
shaders: new Shader[] { _vertexShader, _fragmentShader }
),
Outputs = GraphicsDevice.SwapchainFramebuffer.OutputDescription
};
_pipeline = _factory.CreateGraphicsPipeline(pipelineDescription);
}
