public InputLayout GetInputLayout(EffectInputSignature effectInputSignature, VertexArrayLayout vertexArrayLayout)
{
var inputKey = new InputKey(effectInputSignature, vertexArrayLayout);
InputLayout inputLayout;
// TODO: Check if it is really worth to use ConcurrentDictionary
lock (registeredSignatures)
{
if (!registeredSignatures.TryGetValue(inputKey, out inputLayout))
{
try
{
inputLayout = new InputLayout(graphicsDevice.NativeDevice, effectInputSignature.NativeSignature, vertexArrayLayout.InputElements);
}
catch (Exception)
{
throw new InvalidOperationException("The provided vertex array input elements are not matching the ones of the shader." +
" [Details: EffectInputSignature='{0}', VertexArrayLayout='{1}]".ToFormat(effectInputSignature.ToString(), vertexArrayLayout.ToString()));
}
registeredSignatures.Add(inputKey, inputLayout);
}
((IUnknown)inputLayout).AddReference();
}
return(inputLayout);
}
public VertexArrayObjectInstance(GraphicsDevice graphicsDevice, EffectInputSignature effectInputSignature, VertexAttrib[] sharedVertexAttribs, int indexBufferId)
{
this.graphicsDevice = graphicsDevice;
this.indexBufferId = indexBufferId;
programAttributes = effectInputSignature.Attributes;
int vertexAttributeCount = 0;
for (int i = 0; i < sharedVertexAttribs.Length; i++)
{
if (programAttributes.ContainsKey(sharedVertexAttribs[i].AttributeName))
{
vertexAttributeCount++;
}
}
vertexAttribs = new VertexAttrib[vertexAttributeCount];
int j = 0;
for (int i = 0; i < sharedVertexAttribs.Length; i++)
{
AddAttribute(ref j, ref sharedVertexAttribs[i], ref enabledVertexAttribArrays);
}
}
public static VertexArrayObject New(GraphicsDevice graphicsDevice, EffectInputSignature shaderSignature, IndexBufferBinding indexBufferBinding, params VertexBufferBinding[] vertexBufferBindings)
{
// Store SamplerState in a cache (D3D seems to have quite bad concurrency when using CreateSampler while rendering)
VertexArrayObject vertexArrayObject;
var description = new Description(shaderSignature, vertexBufferBindings, indexBufferBinding);
lock (graphicsDevice.CachedVertexArrayObjects)
{
if (graphicsDevice.CachedVertexArrayObjects.TryGetValue(description, out vertexArrayObject))
{
// TODO: Appropriate destroy
vertexArrayObject.AddReferenceInternal();
}
else
{
vertexArrayObject = new VertexArrayObject(graphicsDevice, shaderSignature, indexBufferBinding, vertexBufferBindings);
// For now store description as is to avoid having to recreate it on Destroy.
// It would probably save little bit of memory space to try to reuse existing fields and add only what's missing.
vertexArrayObject.description = description;
graphicsDevice.CachedVertexArrayObjects.Add(description, vertexArrayObject);
}
}
return(vertexArrayObject);
}
private void ClearStateImpl()
{
NativeDeviceContext.ClearState();
for (int i = 0; i < samplerStates.Length; ++i)
{
samplerStates[i] = null;
}
for (int i = 0; i < constantBuffers.Length; ++i)
{
constantBuffers[i] = null;
}
for (int i = 0; i < unorderedAccessViews.Length; ++i)
{
unorderedAccessViews[i] = null;
}
for (int i = 0; i < currentRenderTargetViews.Length; i++)
{
currentRenderTargetViews[i] = null;
}
currentEffectInputSignature = null;
currentVertexArrayLayout = null;
currentInputLayout = null;
currentVertexArrayObject = null;
CurrentEffect = null;
}
public SharedData(GraphicsDevice device, EffectInputSignature defaultSignature)
{
var vertexBuffer = Buffer.Vertex.New(device, QuadsVertices).DisposeBy(this);
// Register reload
vertexBuffer.Reload = (graphicsResource) => ((Buffer)graphicsResource).Recreate(QuadsVertices);
VertexBuffer = VertexArrayObject.New(device, defaultSignature, new VertexBufferBinding(vertexBuffer, VertexPositionNormalTexture.Layout, QuadsVertices.Length, VertexPositionNormalTexture.Size)).DisposeBy(this);
}
public Description(EffectInputSignature shaderSignature, VertexBufferBinding[] vertexBuffers, IndexBufferBinding indexBuffer)
{
ShaderSignature = shaderSignature;
VertexBuffers = vertexBuffers ?? emptyVertexBufferBindings;
IndexBuffer = indexBuffer;
// Precompute hash code
hashCode = 0;
hashCode = ComputeHashCode();
}
private void CreateShaders()
{
foreach (var shaderBytecode in effectBytecode.Stages)
{
var bytecodeRaw = shaderBytecode.Data;
var reflection = effectBytecode.Reflection;
// TODO CACHE Shaders with a bytecode hash
switch (shaderBytecode.Stage)
{
case ShaderStage.Vertex:
vertexShader = new VertexShader(GraphicsDevice.NativeDevice, bytecodeRaw);
// Note: input signature can be reused when reseting device since it only stores non-GPU data,
// so just keep it if it has already been created before.
if (inputSignature == null)
inputSignature = EffectInputSignature.GetOrCreateLayout(new EffectInputSignature(shaderBytecode.Id, bytecodeRaw));
break;
case ShaderStage.Domain:
domainShader = new DomainShader(GraphicsDevice.NativeDevice, bytecodeRaw);
break;
case ShaderStage.Hull:
hullShader = new HullShader(GraphicsDevice.NativeDevice, bytecodeRaw);
break;
case ShaderStage.Geometry:
if (reflection.ShaderStreamOutputDeclarations != null && reflection.ShaderStreamOutputDeclarations.Count > 0)
{
// Calculate the strides
var soStrides = new List<int>();
foreach (var streamOutputElement in reflection.ShaderStreamOutputDeclarations)
{
for (int i = soStrides.Count; i < (streamOutputElement.Stream + 1); i++)
{
soStrides.Add(0);
}
soStrides[streamOutputElement.Stream] += streamOutputElement.ComponentCount * sizeof(float);
}
var soElements = new StreamOutputElement[0]; // TODO CREATE StreamOutputElement from bytecode.Reflection.ShaderStreamOutputDeclarations
geometryShader = new GeometryShader(GraphicsDevice.NativeDevice, bytecodeRaw, soElements, soStrides.ToArray(), reflection.StreamOutputRasterizedStream);
}
else
{
geometryShader = new GeometryShader(GraphicsDevice.NativeDevice, bytecodeRaw);
}
break;
case ShaderStage.Pixel:
pixelShader = new PixelShader(GraphicsDevice.NativeDevice, bytecodeRaw);
break;
case ShaderStage.Compute:
computeShader = new ComputeShader(GraphicsDevice.NativeDevice, bytecodeRaw);
break;
}
}
}
/// <summary>
/// Gets the original create signature.
/// </summary>
/// <param name="signature">The signature.</param>
/// <returns>VertexArrayLayout.</returns>
internal static EffectInputSignature GetOrCreateLayout(EffectInputSignature signature)
{
EffectInputSignature registeredLayout;
lock (RegisteredSignatures)
{
if (!RegisteredSignatures.TryGetValue(signature.Id, out registeredLayout))
{
RegisteredSignatures.Add(signature.Id, signature);
registeredLayout = signature;
}
}
return registeredLayout;
}
private VertexArrayObjectInstance GetInstance(EffectInputSignature effectInputSignature)
{
VertexArrayObjectInstance inputLayout;
lock (registeredInstances)
{
if (!registeredInstances.TryGetValue(effectInputSignature, out inputLayout))
{
inputLayout = new VertexArrayObjectInstance(GraphicsDevice, effectInputSignature, vertexAttribs, indexBufferId);
registeredInstances.Add(effectInputSignature, inputLayout);
}
}
return(inputLayout);
}
/// <summary>
/// Gets the original create signature.
/// </summary>
/// <param name="signature">The signature.</param>
/// <returns>VertexArrayLayout.</returns>
internal static EffectInputSignature GetOrCreateLayout(EffectInputSignature signature)
{
EffectInputSignature registeredLayout;
lock (RegisteredSignatures)
{
if (!RegisteredSignatures.TryGetValue(signature.Id, out registeredLayout))
{
RegisteredSignatures.Add(signature.Id, signature);
registeredLayout = signature;
}
}
return(registeredLayout);
}
private void Initialize(ParameterCollection usedParameters)
{
program = EffectProgram.New(graphicsDeviceDefault, bytecode);
reflection = program.Reflection;
// prepare resource bindings used internally
resourceBindings = new EffectParameterResourceBinding[reflection.ResourceBindings.Count];
for (int i = 0; i < resourceBindings.Length; i++)
{
resourceBindings[i].Description = reflection.ResourceBindings[i];
}
defaultParameters = new ParameterCollection();
inputSignature = program.InputSignature;
LoadDefaultParameters();
}
private VertexArrayObject(GraphicsDevice graphicsDevice, EffectInputSignature shaderSignature, IndexBufferBinding indexBufferBinding, VertexBufferBinding[] vertexBufferBindings)
: base(graphicsDevice)
{
this.vertexBufferBindings = vertexBufferBindings;
this.indexBufferBinding = indexBufferBinding;
this.preferredInputSignature = shaderSignature;
// Increase the reference count on the provided buffers -> we do not want to take the ownership
foreach (VertexBufferBinding vertexBufferBinding in vertexBufferBindings)
vertexBufferBinding.Buffer.AddReferenceInternal();
if (indexBufferBinding != null)
indexBufferBinding.Buffer.AddReferenceInternal();
CreateAttributes();
}
internal void Apply(EffectInputSignature effectInputSignature)
{
if (effectInputSignature == null)
{
throw new ArgumentNullException("effectInputSignature");
}
// Optimization: If the current VAO and shader signature was previously used, we can use it directly without asking for a proper instance
if (RequiresApply(effectInputSignature))
{
currentInstance = ReferenceEquals(preferredInputSignature, effectInputSignature)
? preferredInstance
: GetInstance(effectInputSignature);
currentShaderSignature = effectInputSignature;
}
currentInstance.Apply(GraphicsDevice);
}
private void ReleaseDevice()
{
// Display D3D11 ref counting info
ClearState();
NativeDevice.ImmediateContext.Flush();
NativeDevice.ImmediateContext.Dispose();
if (IsDebugMode)
{
var deviceDebug = new DeviceDebug(NativeDevice);
deviceDebug.ReportLiveDeviceObjects(ReportingLevel.Detail);
}
currentInputLayout = null;
currentEffectInputSignature = null;
currentVertexArrayObject = null;
currentVertexArrayLayout = null;
nativeDevice.Dispose();
}
private VertexArrayObject(GraphicsDevice graphicsDevice, EffectInputSignature shaderSignature, IndexBufferBinding indexBufferBinding, VertexBufferBinding[] vertexBufferBindings)
: base(graphicsDevice)
{
this.vertexBufferBindings = vertexBufferBindings;
this.indexBufferBinding = indexBufferBinding;
this.EffectInputSignature = shaderSignature;
// Calculate Direct3D11 InputElement
int inputElementCount = vertexBufferBindings.Sum(t => t.Declaration.VertexElements.Length);
var inputElements = new InputElement[inputElementCount];
int j = 0;
for (int i = 0; i < vertexBufferBindings.Length; i++)
{
var declaration = vertexBufferBindings[i].Declaration;
vertexBufferBindings[i].Buffer.AddReferenceInternal();
foreach (var vertexElementWithOffset in declaration.EnumerateWithOffsets())
{
var vertexElement = vertexElementWithOffset.VertexElement;
inputElements[j++] = new InputElement
{
Slot = i,
SemanticName = vertexElement.SemanticName,
SemanticIndex = vertexElement.SemanticIndex,
AlignedByteOffset = vertexElementWithOffset.Offset,
Format = (SharpDX.DXGI.Format)vertexElement.Format,
};
}
}
Layout = VertexArrayLayout.GetOrCreateLayout(new VertexArrayLayout(inputElements));
if (indexBufferBinding != null)
{
indexBufferBinding.Buffer.AddReferenceInternal();
indexBufferOffset = indexBufferBinding.Offset;
indexFormat = (indexBufferBinding.Is32Bit ? SharpDX.DXGI.Format.R32_UInt : SharpDX.DXGI.Format.R16_UInt);
}
CreateResources();
}
private VertexArrayObject(GraphicsDevice graphicsDevice, EffectInputSignature shaderSignature, IndexBufferBinding indexBufferBinding, VertexBufferBinding[] vertexBufferBindings)
: base(graphicsDevice)
{
this.vertexBufferBindings = vertexBufferBindings;
this.indexBufferBinding = indexBufferBinding;
this.preferredInputSignature = shaderSignature;
// Increase the reference count on the provided buffers -> we do not want to take the ownership
foreach (VertexBufferBinding vertexBufferBinding in vertexBufferBindings)
{
vertexBufferBinding.Buffer.AddReferenceInternal();
}
if (indexBufferBinding != null)
{
indexBufferBinding.Buffer.AddReferenceInternal();
}
CreateAttributes();
}
private VertexArrayObject(GraphicsDevice graphicsDevice, EffectInputSignature shaderSignature, IndexBufferBinding indexBufferBinding, VertexBufferBinding[] vertexBufferBindings)
: base(graphicsDevice)
{
this.vertexBufferBindings = vertexBufferBindings;
this.indexBufferBinding = indexBufferBinding;
this.EffectInputSignature = shaderSignature;
// Calculate Direct3D11 InputElement
int inputElementCount = vertexBufferBindings.Sum(t => t.Declaration.VertexElements.Length);
var inputElements = new InputElement[inputElementCount];
int j = 0;
for (int i = 0; i < vertexBufferBindings.Length; i++)
{
var declaration = vertexBufferBindings[i].Declaration;
vertexBufferBindings[i].Buffer.AddReferenceInternal();
foreach (var vertexElementWithOffset in declaration.EnumerateWithOffsets())
{
var vertexElement = vertexElementWithOffset.VertexElement;
inputElements[j++] = new InputElement
{
Slot = i,
SemanticName = vertexElement.SemanticName,
SemanticIndex = vertexElement.SemanticIndex,
AlignedByteOffset = vertexElementWithOffset.Offset,
Format = (SharpDX.DXGI.Format)vertexElement.Format,
};
}
}
Layout = VertexArrayLayout.GetOrCreateLayout(new VertexArrayLayout(inputElements));
if (indexBufferBinding != null)
{
indexBufferBinding.Buffer.AddReferenceInternal();
indexBufferOffset = indexBufferBinding.Offset;
indexFormat = (indexBufferBinding.Is32Bit ? SharpDX.DXGI.Format.R32_UInt : SharpDX.DXGI.Format.R16_UInt);
}
CreateResources();
}
public VertexArrayObjectInstance(GraphicsDevice graphicsDevice, EffectInputSignature effectInputSignature, VertexAttrib[] sharedVertexAttribs, int indexBufferId)
{
this.graphicsDevice = graphicsDevice;
this.indexBufferId = indexBufferId;
programAttributes = effectInputSignature.Attributes;
int vertexAttributeCount = 0;
for (int i = 0; i < sharedVertexAttribs.Length; i++)
{
if (programAttributes.ContainsKey(sharedVertexAttribs[i].AttributeName))
{
vertexAttributeCount++;
}
}
vertexAttribs = new VertexAttrib[vertexAttributeCount];
int j = 0;
for (int i = 0; i < sharedVertexAttribs.Length; i++)
{
AddAttribute(ref j, ref sharedVertexAttribs[i], ref enabledVertexAttribArrays);
}
}
public InputKey(EffectInputSignature effectInputSignature, VertexArrayLayout vertexArrayLayout)
{
this.effectInputSignature = effectInputSignature;
this.vertexArrayLayout = vertexArrayLayout;
}
internal bool RequiresApply(EffectInputSignature effectInputSignature)
{
return(!ReferenceEquals(effectInputSignature, currentShaderSignature));
}
private void CreateShaders()
{
using (GraphicsDevice.UseOpenGLCreationContext())
{
resourceId = GL.CreateProgram();
// Attach shaders
foreach (var shader in effectBytecode.Stages)
{
ShaderType shaderStage;
switch (shader.Stage)
{
case ShaderStage.Vertex:
shaderStage = ShaderType.VertexShader;
// We can't use VS only, since various attributes might get optimized when linked with a specific PS
// Maybe we should unify signature after checking attributes
//inputSignature = EffectInputSignature.GetOrCreateLayout(new EffectInputSignature(shader.Id, shader.Data));
inputSignature = new EffectInputSignature(shader.Id, shader.Data);
break;
case ShaderStage.Pixel:
shaderStage = ShaderType.FragmentShader;
break;
default:
throw new Exception("Unsupported shader stage");
}
#if SILICONSTUDIO_XENKO_GRAPHICS_API_OPENGLES
var shaderSources = BinarySerialization.Read<ShaderLevelBytecode>(shader.Data);
var shaderSource = GraphicsDevice.IsOpenGLES2 ? shaderSources.DataES2 : shaderSources.DataES3;
#else
var shaderSource = shader.GetDataAsString();
#endif
var shaderId = GL.CreateShader(shaderStage);
GL.ShaderSource(shaderId, shaderSource);
GL.CompileShader(shaderId);
int compileStatus;
GL.GetShader(shaderId, ShaderParameter.CompileStatus, out compileStatus);
if (compileStatus != 1)
{
var glErrorMessage = GL.GetShaderInfoLog(shaderId);
throw new InvalidOperationException("Error while compiling GLSL shader. [{0}]".ToFormat(glErrorMessage));
}
GL.AttachShader(resourceId, shaderId);
}
#if !SILICONSTUDIO_XENKO_GRAPHICS_API_OPENGLES
// Mark program as retrievable (necessary for later GL.GetProgramBinary).
GL.ProgramParameter(resourceId, ProgramParameterName.ProgramBinaryRetrievableHint, 1);
#endif
// Link OpenGL program
GL.LinkProgram(resourceId);
// Check link results
int linkStatus;
GL.GetProgram(resourceId, GetProgramParameterName.LinkStatus, out linkStatus);
if (linkStatus != 1)
{
var infoLog = GL.GetProgramInfoLog(resourceId);
throw new InvalidOperationException("Error while linking GLSL shaders.\n" + infoLog);
}
if (inputSignature.Attributes.Count == 0) // the shader wasn't analyzed yet
{
// Build attributes list for shader signature
int activeAttribCount;
GL.GetProgram(resourceId, GetProgramParameterName.ActiveAttributes, out activeAttribCount);
for (int activeAttribIndex = 0; activeAttribIndex < activeAttribCount; ++activeAttribIndex)
{
int size;
ActiveAttribType type;
var attribName = GL.GetActiveAttrib(resourceId, activeAttribIndex, out size, out type);
#if SILICONSTUDIO_PLATFORM_ANDROID
var attribIndex = GL.GetAttribLocation(resourceId, new StringBuilder(attribName));
#else
var attribIndex = GL.GetAttribLocation(resourceId, attribName);
#endif
inputSignature.Attributes.Add(attribName, attribIndex);
}
}
CreateReflection(Reflection, effectBytecode.Stages[0].Stage); // need to regenerate the Uniforms on OpenGL ES
#if SILICONSTUDIO_XENKO_GRAPHICS_API_OPENGLES
// Allocate a buffer that can cache all the bound parameters
BoundUniforms = new byte[Reflection.ConstantBuffers[0].Size];
#endif
}
// output the gathered errors
foreach (var message in reflectionResult.Messages)
Console.WriteLine(message);
if (reflectionResult.HasErrors)
throw new Exception(reflectionResult.Messages.Select(x=>x.ToString()).Aggregate((x,y)=>x+"\n"+y));
}
private void CreateShaders()
{
foreach (var shaderBytecode in effectBytecode.Stages)
{
var bytecodeRaw = shaderBytecode.Data;
var reflection = effectBytecode.Reflection;
// TODO CACHE Shaders with a bytecode hash
switch (shaderBytecode.Stage)
{
case ShaderStage.Vertex:
vertexShader = new VertexShader(GraphicsDevice.NativeDevice, bytecodeRaw);
// Note: input signature can be reused when reseting device since it only stores non-GPU data,
// so just keep it if it has already been created before.
if (inputSignature == null)
{
inputSignature = EffectInputSignature.GetOrCreateLayout(new EffectInputSignature(shaderBytecode.Id, bytecodeRaw));
}
break;
case ShaderStage.Domain:
domainShader = new DomainShader(GraphicsDevice.NativeDevice, bytecodeRaw);
break;
case ShaderStage.Hull:
hullShader = new HullShader(GraphicsDevice.NativeDevice, bytecodeRaw);
break;
case ShaderStage.Geometry:
if (reflection.ShaderStreamOutputDeclarations != null && reflection.ShaderStreamOutputDeclarations.Count > 0)
{
// Calculate the strides
var soStrides = new List <int>();
foreach (var streamOutputElement in reflection.ShaderStreamOutputDeclarations)
{
for (int i = soStrides.Count; i < (streamOutputElement.Stream + 1); i++)
{
soStrides.Add(0);
}
soStrides[streamOutputElement.Stream] += streamOutputElement.ComponentCount * sizeof(float);
}
var soElements = new StreamOutputElement[0]; // TODO CREATE StreamOutputElement from bytecode.Reflection.ShaderStreamOutputDeclarations
geometryShader = new GeometryShader(GraphicsDevice.NativeDevice, bytecodeRaw, soElements, soStrides.ToArray(), reflection.StreamOutputRasterizedStream);
}
else
{
geometryShader = new GeometryShader(GraphicsDevice.NativeDevice, bytecodeRaw);
}
break;
case ShaderStage.Pixel:
pixelShader = new PixelShader(GraphicsDevice.NativeDevice, bytecodeRaw);
break;
case ShaderStage.Compute:
computeShader = new ComputeShader(GraphicsDevice.NativeDevice, bytecodeRaw);
break;
}
}
}
/// <summary>
/// Prepares a draw call. This method is called before each Draw() method to setup the correct Primitive, InputLayout and VertexBuffers.
/// </summary>
/// <param name="primitiveType">Type of the primitive.</param>
/// <exception cref="System.InvalidOperationException">Cannot GraphicsDevice.Draw*() without an effect being previously applied with Effect.Apply() method</exception>
private void PrepareDraw(PrimitiveType primitiveType)
{
if (CurrentEffect == null)
{
throw new InvalidOperationException("Cannot GraphicsDevice.Draw*() without an effect being previously applied with Effect.Apply() method");
}
// Setup the primitive type
PrimitiveType = primitiveType;
// If the vertex array object is null, simply set the InputLayout to null
if (newVertexArrayObject == null)
{
if (currentVertexArrayObject != null)
{
currentVertexArrayObject = null;
currentVertexArrayLayout = null;
currentEffectInputSignature = null;
inputAssembler.InputLayout = currentInputLayout = null;
}
}
else
{
var newVertexArrayLayout = newVertexArrayObject.Layout;
var newEffectInputSignature = CurrentEffect.InputSignature;
var oldInputLayout = currentInputLayout;
// Apply the VertexArrayObject
if (newVertexArrayObject != currentVertexArrayObject)
{
currentVertexArrayObject = newVertexArrayObject;
newVertexArrayObject.Apply(inputAssembler);
}
// If the input layout of the effect or the vertex buffer has changed, get the associated new input layout
if (!ReferenceEquals(newVertexArrayLayout, currentVertexArrayLayout) || !ReferenceEquals(newEffectInputSignature, currentEffectInputSignature))
{
currentVertexArrayLayout = newVertexArrayLayout;
currentEffectInputSignature = newEffectInputSignature;
if (newVertexArrayObject.InputLayout != null && ReferenceEquals(newEffectInputSignature, newVertexArrayObject.EffectInputSignature))
{
// Default configuration
currentInputLayout = newVertexArrayObject.InputLayout;
}
else if (ReferenceEquals(newEffectInputSignature, newVertexArrayObject.LastEffectInputSignature))
{
// Reuse previous configuration
currentInputLayout = newVertexArrayObject.LastInputLayout;
}
// Slow path if the current VertexArrayObject is not optimized for the particular input (or not used right before)
else
{
currentInputLayout = InputLayoutManager.GetInputLayout(newEffectInputSignature, currentVertexArrayLayout);
// Store it in VAO since it will likely be used with same effect later
newVertexArrayObject.LastInputLayout = currentInputLayout;
newVertexArrayObject.LastEffectInputSignature = newEffectInputSignature;
}
// Setup the input layout (if it changed)
if (currentInputLayout != oldInputLayout)
inputAssembler.InputLayout = currentInputLayout;
}
}
SetViewportImpl();
}
private void ReleaseDevice()
{
// Display D3D11 ref counting info
ClearState();
NativeDevice.ImmediateContext.Flush();
NativeDevice.ImmediateContext.Dispose();
if (IsDebugMode)
{
var deviceDebug = new DeviceDebug(NativeDevice);
deviceDebug.ReportLiveDeviceObjects(ReportingLevel.Detail);
}
currentInputLayout = null;
currentEffectInputSignature = null;
currentVertexArrayObject = null;
currentVertexArrayLayout = null;
nativeDevice.Dispose();
}
/// <summary>
/// Prepares a draw call. This method is called before each Draw() method to setup the correct Primitive, InputLayout and VertexBuffers.
/// </summary>
/// <param name="primitiveType">Type of the primitive.</param>
/// <exception cref="System.InvalidOperationException">Cannot GraphicsDevice.Draw*() without an effect being previously applied with Effect.Apply() method</exception>
private void PrepareDraw(PrimitiveType primitiveType)
{
if (CurrentEffect == null)
{
throw new InvalidOperationException("Cannot GraphicsDevice.Draw*() without an effect being previously applied with Effect.Apply() method");
}
// Setup the primitive type
PrimitiveType = primitiveType;
// If the vertex array object is null, simply set the InputLayout to null
if (newVertexArrayObject == null)
{
if (currentVertexArrayObject != null)
{
currentVertexArrayObject = null;
currentVertexArrayLayout = null;
currentEffectInputSignature = null;
inputAssembler.InputLayout = currentInputLayout = null;
}
}
else
{
var newVertexArrayLayout = newVertexArrayObject.Layout;
var newEffectInputSignature = CurrentEffect.InputSignature;
var oldInputLayout = currentInputLayout;
// Apply the VertexArrayObject
if (newVertexArrayObject != currentVertexArrayObject)
{
currentVertexArrayObject = newVertexArrayObject;
newVertexArrayObject.Apply(inputAssembler);
}
// If the input layout of the effect or the vertex buffer has changed, get the associated new input layout
if (!ReferenceEquals(newVertexArrayLayout, currentVertexArrayLayout) || !ReferenceEquals(newEffectInputSignature, currentEffectInputSignature))
{
currentVertexArrayLayout = newVertexArrayLayout;
currentEffectInputSignature = newEffectInputSignature;
if (newVertexArrayObject.InputLayout != null && ReferenceEquals(newEffectInputSignature, newVertexArrayObject.EffectInputSignature))
{
// Default configuration
currentInputLayout = newVertexArrayObject.InputLayout;
}
else if (ReferenceEquals(newEffectInputSignature, newVertexArrayObject.LastEffectInputSignature))
{
// Reuse previous configuration
currentInputLayout = newVertexArrayObject.LastInputLayout;
}
// Slow path if the current VertexArrayObject is not optimized for the particular input (or not used right before)
else
{
currentInputLayout = InputLayoutManager.GetInputLayout(newEffectInputSignature, currentVertexArrayLayout);
// Store it in VAO since it will likely be used with same effect later
newVertexArrayObject.LastInputLayout = currentInputLayout;
newVertexArrayObject.LastEffectInputSignature = newEffectInputSignature;
}
// Setup the input layout (if it changed)
if (currentInputLayout != oldInputLayout)
{
inputAssembler.InputLayout = currentInputLayout;
}
}
}
SetViewportImpl();
}
private VertexArrayObjectInstance GetInstance(EffectInputSignature effectInputSignature)
{
VertexArrayObjectInstance inputLayout;
lock (registeredInstances)
{
if (!registeredInstances.TryGetValue(effectInputSignature, out inputLayout))
{
inputLayout = new VertexArrayObjectInstance(GraphicsDevice, effectInputSignature, vertexAttribs, indexBufferId);
registeredInstances.Add(effectInputSignature, inputLayout);
}
}
return inputLayout;
}
internal void Apply(EffectInputSignature effectInputSignature)
{
if (effectInputSignature == null) throw new ArgumentNullException("effectInputSignature");
// Optimization: If the current VAO and shader signature was previously used, we can use it directly without asking for a proper instance
if (RequiresApply(effectInputSignature))
{
currentInstance = ReferenceEquals(preferredInputSignature, effectInputSignature)
? preferredInstance
: GetInstance(effectInputSignature);
currentShaderSignature = effectInputSignature;
}
currentInstance.Apply(GraphicsDevice);
}
public static VertexArrayObject New(GraphicsDevice graphicsDevice, EffectInputSignature shaderSignature, params VertexBufferBinding[] vertexBufferBindings)
{
return(New(graphicsDevice, shaderSignature, null, vertexBufferBindings));
}
private void CreateShaders()
{
using (GraphicsDevice.UseOpenGLCreationContext())
{
resourceId = GL.CreateProgram();
// Attach shaders
foreach (var shader in effectBytecode.Stages)
{
ShaderType shaderStage;
switch (shader.Stage)
{
case ShaderStage.Vertex:
shaderStage = ShaderType.VertexShader;
// We can't use VS only, since various attributes might get optimized when linked with a specific PS
// Maybe we should unify signature after checking attributes
//inputSignature = EffectInputSignature.GetOrCreateLayout(new EffectInputSignature(shader.Id, shader.Data));
inputSignature = new EffectInputSignature(shader.Id, shader.Data);
break;
case ShaderStage.Pixel:
shaderStage = ShaderType.FragmentShader;
break;
default:
throw new Exception("Unsupported shader stage");
break;
}
#if SILICONSTUDIO_XENKO_GRAPHICS_API_OPENGLES
var shaderSources = BinarySerialization.Read <ShaderLevelBytecode>(shader.Data);
var shaderSource = GraphicsDevice.IsOpenGLES2 ? shaderSources.DataES2 : shaderSources.DataES3;
#else
var shaderSource = shader.GetDataAsString();
#endif
var shaderId = GL.CreateShader(shaderStage);
GL.ShaderSource(shaderId, shaderSource);
GL.CompileShader(shaderId);
int compileStatus;
GL.GetShader(shaderId, ShaderParameter.CompileStatus, out compileStatus);
if (compileStatus != 1)
{
var glErrorMessage = GL.GetShaderInfoLog(shaderId);
throw new InvalidOperationException("Error while compiling GLSL shader. [{0}]".ToFormat(glErrorMessage));
}
GL.AttachShader(resourceId, shaderId);
}
#if !SILICONSTUDIO_XENKO_GRAPHICS_API_OPENGLES
// Mark program as retrievable (necessary for later GL.GetProgramBinary).
GL.ProgramParameter(resourceId, AssemblyProgramParameterArb.ProgramBinaryRetrievableHint, 1);
#endif
// Link OpenGL program
GL.LinkProgram(resourceId);
// Check link results
int linkStatus;
GL.GetProgram(resourceId, ProgramParameter.LinkStatus, out linkStatus);
if (linkStatus != 1)
{
var infoLog = GL.GetProgramInfoLog(resourceId);
throw new InvalidOperationException("Error while linking GLSL shaders.\n" + infoLog);
}
if (inputSignature.Attributes.Count == 0) // the shader wasn't analyzed yet
{
// Build attributes list for shader signature
int activeAttribCount;
GL.GetProgram(resourceId, ProgramParameter.ActiveAttributes, out activeAttribCount);
for (int activeAttribIndex = 0; activeAttribIndex < activeAttribCount; ++activeAttribIndex)
{
int size;
ActiveAttribType type;
var attribName = GL.GetActiveAttrib(resourceId, activeAttribIndex, out size, out type);
#if SILICONSTUDIO_PLATFORM_ANDROID
var attribIndex = GL.GetAttribLocation(resourceId, new StringBuilder(attribName));
#else
var attribIndex = GL.GetAttribLocation(resourceId, attribName);
#endif
inputSignature.Attributes.Add(attribName, attribIndex);
}
}
CreateReflection(Reflection, effectBytecode.Stages[0].Stage); // need to regenerate the Uniforms on OpenGL ES
#if SILICONSTUDIO_XENKO_GRAPHICS_API_OPENGLES
// Allocate a buffer that can cache all the bound parameters
BoundUniforms = new byte[Reflection.ConstantBuffers[0].Size];
#endif
}
// output the gathered errors
foreach (var message in reflectionResult.Messages)
{
Console.WriteLine(message);
}
if (reflectionResult.HasErrors)
{
throw new Exception(reflectionResult.Messages.Select(x => x.ToString()).Aggregate((x, y) => x + "\n" + y));
}
}
public SharedData(GraphicsDevice device, EffectInputSignature defaultSignature)
{
var vertexBuffer = Buffer.Vertex.New(device, QuadsVertices).DisposeBy(this);
// Register reload
vertexBuffer.Reload = (graphicsResource) => ((Buffer)graphicsResource).Recreate(QuadsVertices);
VertexBuffer = VertexArrayObject.New(device, defaultSignature, new VertexBufferBinding(vertexBuffer, VertexPositionNormalTexture.Layout, QuadsVertices.Length, VertexPositionNormalTexture.Size)).DisposeBy(this);
}
private void CreateAttributes()
{
int vertexAttribCount = 0;
for (int i = 0; i < vertexBufferBindings.Length; ++i)
{
vertexAttribCount += vertexBufferBindings[i].Declaration.VertexElements.Length;
}
vertexAttribs = new VertexAttrib[vertexAttribCount];
int j = 0;
for (int i = 0; i < vertexBufferBindings.Length; ++i)
{
var inputSlot = vertexBufferBindings[i];
var vertexBuffer = vertexBufferBindings[i].Buffer;
foreach (var vertexElementAndOffset in inputSlot.Declaration.EnumerateWithOffsets())
{
var vertexElement = vertexElementAndOffset.VertexElement;
var attributeName = "a_" + vertexElement.SemanticName + vertexElement.SemanticIndex;
var vertexElementFormat = ConvertVertexElementFormat(vertexElement.Format);
#if SILICONSTUDIO_XENKO_GRAPHICS_API_OPENGLES
IntPtr bufferStart = vertexBuffer.ResourceId == 0
? vertexBuffer.StagingData
: (IntPtr)vertexBufferBindings[i].Offset;
#else
var bufferStart = (IntPtr)vertexBufferBindings[i].Offset;
#endif
vertexAttribs[j] = new VertexAttrib
{
VertexBufferId = vertexBuffer.ResourceId,
Index = -1,
IsInteger = IsInteger(vertexElementFormat.Type),
Size = vertexElementFormat.Size,
Type = vertexElementFormat.Type,
Normalized = vertexElementFormat.Normalized,
Stride = inputSlot.Declaration.VertexStride,
Offset = bufferStart + vertexElementAndOffset.Offset,
AttributeName = attributeName
};
j++;
}
}
if (indexBufferBinding != null)
{
indexBufferId = indexBufferBinding.Buffer.resourceId;
#if SILICONSTUDIO_XENKO_GRAPHICS_API_OPENGLES
if (GraphicsDevice.IsOpenGLES2 && indexBufferBinding.Is32Bit)
throw new PlatformNotSupportedException("32 bits index buffer are not supported on OpenGL ES 2.0");
indexBufferOffset = (indexBufferId == 0 ? indexBufferBinding.Buffer.StagingData : IntPtr.Zero) +
indexBufferBinding.Offset;
#else
indexBufferOffset = (IntPtr)indexBufferBinding.Offset;
#endif
drawElementsType = indexBufferBinding.Is32Bit ? DrawElementsType.UnsignedInt : DrawElementsType.UnsignedShort;
indexElementSize = indexBufferBinding.Is32Bit ? 4 : 2;
}
// If we have a signature, we can already pre-create the instance
if (preferredInputSignature != null)
{
preferredInstance = GetInstance(preferredInputSignature);
}
currentShaderSignature = preferredInputSignature;
currentInstance = preferredInstance;
}
private void ClearStateImpl()
{
NativeDeviceContext.ClearState();
for (int i = 0; i < samplerStates.Length; ++i)
samplerStates[i] = null;
for (int i = 0; i < constantBuffers.Length; ++i)
constantBuffers[i] = null;
for (int i = 0; i < unorderedAccessViews.Length; ++i)
unorderedAccessViews[i] = null;
for (int i = 0; i < currentRenderTargetViews.Length; i++)
currentRenderTargetViews[i] = null;
currentEffectInputSignature = null;
currentVertexArrayLayout = null;
currentInputLayout = null;
currentVertexArrayObject = null;
CurrentEffect = null;
}
internal bool RequiresApply(EffectInputSignature effectInputSignature)
{
return !ReferenceEquals(effectInputSignature, currentShaderSignature);
}
private void CreateAttributes()
{
int vertexAttribCount = 0;
for (int i = 0; i < vertexBufferBindings.Length; ++i)
{
vertexAttribCount += vertexBufferBindings[i].Declaration.VertexElements.Length;
}
vertexAttribs = new VertexAttrib[vertexAttribCount];
int j = 0;
for (int i = 0; i < vertexBufferBindings.Length; ++i)
{
var inputSlot = vertexBufferBindings[i];
var vertexBuffer = vertexBufferBindings[i].Buffer;
foreach (var vertexElementAndOffset in inputSlot.Declaration.EnumerateWithOffsets())
{
var vertexElement = vertexElementAndOffset.VertexElement;
var attributeName = "a_" + vertexElement.SemanticName + vertexElement.SemanticIndex;
var vertexElementFormat = ConvertVertexElementFormat(vertexElement.Format);
#if SILICONSTUDIO_XENKO_GRAPHICS_API_OPENGLES
IntPtr bufferStart = vertexBuffer.ResourceId == 0
? vertexBuffer.StagingData
: (IntPtr)vertexBufferBindings[i].Offset;
#else
var bufferStart = (IntPtr)vertexBufferBindings[i].Offset;
#endif
vertexAttribs[j] = new VertexAttrib
{
VertexBufferId = vertexBuffer.ResourceId,
Index = -1,
IsInteger = IsInteger(vertexElementFormat.Type),
Size = vertexElementFormat.Size,
Type = vertexElementFormat.Type,
Normalized = vertexElementFormat.Normalized,
Stride = inputSlot.Declaration.VertexStride,
Offset = bufferStart + vertexElementAndOffset.Offset,
AttributeName = attributeName
};
j++;
}
}
if (indexBufferBinding != null)
{
indexBufferId = indexBufferBinding.Buffer.resourceId;
#if SILICONSTUDIO_XENKO_GRAPHICS_API_OPENGLES
if (GraphicsDevice.IsOpenGLES2 && indexBufferBinding.Is32Bit)
{
throw new PlatformNotSupportedException("32 bits index buffer are not supported on OpenGL ES 2.0");
}
indexBufferOffset = (indexBufferId == 0 ? indexBufferBinding.Buffer.StagingData : IntPtr.Zero) +
indexBufferBinding.Offset;
#else
indexBufferOffset = (IntPtr)indexBufferBinding.Offset;
#endif
drawElementsType = indexBufferBinding.Is32Bit ? DrawElementsType.UnsignedInt : DrawElementsType.UnsignedShort;
indexElementSize = indexBufferBinding.Is32Bit ? 4 : 2;
}
// If we have a signature, we can already pre-create the instance
if (preferredInputSignature != null)
{
preferredInstance = GetInstance(preferredInputSignature);
}
currentShaderSignature = preferredInputSignature;
currentInstance = preferredInstance;
}