/// <summary>
/// Compiles the ShaderProgram. This is done automatically when loading the ShaderProgram
/// or when binding it.
/// </summary>
public void Compile()
{
DualityApp.GuardSingleThreadState();
if (this.glProgramId == 0)
{
return;
}
if (this.compiled)
{
return;
}
GL.LinkProgram(this.glProgramId);
int result;
GL.GetProgram(this.glProgramId, GetProgramParameterName.LinkStatus, out result);
if (result == 0)
{
string infoLog = GL.GetProgramInfoLog(this.glProgramId);
Log.Core.WriteError("Error linking shader program. InfoLog:{1}{0}", infoLog, Environment.NewLine);
return;
}
this.compiled = true;
// Collect variable infos from sub programs
ShaderVarInfo[] geomVarArray = this.geom.IsAvailable ? this.geom.Res.VarInfo : null;
ShaderVarInfo[] fragVarArray = this.frag.IsAvailable ? this.frag.Res.VarInfo : null;
ShaderVarInfo[] vertVarArray = this.vert.IsAvailable ? this.vert.Res.VarInfo : null;
var emptyShaderInfo = new ShaderVarInfo[0];
this.varInfo = (vertVarArray ?? emptyShaderInfo)
.Union(fragVarArray ?? emptyShaderInfo)
.Union(geomVarArray ?? emptyShaderInfo)
.ToArray();
// Determine actual variable locations
for (int i = 0; i < this.varInfo.Length; i++)
{
if (this.varInfo[i].scope == ShaderVarScope.Uniform)
{
this.varInfo[i].glVarLoc = GL.GetUniformLocation(this.glProgramId, this.varInfo[i].name);
}
else
{
this.varInfo[i].glVarLoc = GL.GetAttribLocation(this.glProgramId, this.varInfo[i].name);
}
}
}
/// <summary>
/// Compiles the shader. This is done automatically when loading the shader
/// or attaching it to a <see cref="Duality.Resources.ShaderProgram"/>.
/// </summary>
public void Compile()
{
DualityApp.GuardSingleThreadState();
if (this.compiled) return;
if (String.IsNullOrEmpty(this.source)) return;
if (this.glShaderId == 0) this.glShaderId = GL.CreateShader(this.OglShaderType);
GL.ShaderSource(this.glShaderId, this.source);
GL.CompileShader(this.glShaderId);
int result;
GL.GetShader(this.glShaderId, ShaderParameter.CompileStatus, out result);
if (result == 0)
{
string infoLog = GL.GetShaderInfoLog(this.glShaderId);
Log.Core.WriteError("Error compiling {0}. InfoLog:\n{1}", this.OglShaderType, infoLog);
return;
}
this.compiled = true;
// Remove comments from source code before extracting variables
string sourceWithoutComments;
{
const string blockComments = @"/\*(.*?)\*/";
const string lineComments = @"//(.*?)\r?\n";
const string strings = @"""((\\[^\n]|[^""\n])*)""";
const string verbatimStrings = @"@(""[^""]*"")+";
sourceWithoutComments = Regex.Replace(this.source,
blockComments + "|" + lineComments + "|" + strings + "|" + verbatimStrings,
me => {
if (me.Value.StartsWith("/*") || me.Value.StartsWith("//"))
return me.Value.StartsWith("//") ? Environment.NewLine : "";
// Keep the literal strings
return me.Value;
},
RegexOptions.Singleline);
}
// Scan remaining code chunk for variable declarations
List<ShaderVarInfo> varInfoList = new List<ShaderVarInfo>();
string[] lines = sourceWithoutComments.Split(new[] {';','\n'}, StringSplitOptions.RemoveEmptyEntries);
ShaderVarInfo varInfo = new ShaderVarInfo();
foreach (string t in lines)
{
string curLine = t.TrimStart();
if (curLine.StartsWith("uniform"))
varInfo.scope = ShaderVarScope.Uniform;
else if (curLine.StartsWith("attribute"))
varInfo.scope = ShaderVarScope.Attribute;
else continue;
string[] curLineSplit = curLine.Split(new[] {' '}, StringSplitOptions.RemoveEmptyEntries);
switch (curLineSplit[1].ToUpper())
{
case "FLOAT": varInfo.type = ShaderVarType.Float; break;
case "VEC2": varInfo.type = ShaderVarType.Vec2; break;
case "VEC3": varInfo.type = ShaderVarType.Vec3; break;
case "VEC4": varInfo.type = ShaderVarType.Vec4; break;
case "MAT2": varInfo.type = ShaderVarType.Mat2; break;
case "MAT3": varInfo.type = ShaderVarType.Mat3; break;
case "MAT4": varInfo.type = ShaderVarType.Mat4; break;
case "INT": varInfo.type = ShaderVarType.Int; break;
case "SAMPLER2D": varInfo.type = ShaderVarType.Sampler2D; break;
}
curLineSplit = curLineSplit[2].Split(new char[] {'[', ']'}, StringSplitOptions.RemoveEmptyEntries);
varInfo.name = curLineSplit[0];
varInfo.arraySize = (curLineSplit.Length > 1) ? int.Parse(curLineSplit[1]) : 1;
varInfo.glVarLoc = -1;
varInfoList.Add(varInfo);
}
this.varInfo = varInfoList.ToArray();
}
/// <summary>
/// Compiles the shader. This is done automatically when loading the shader
/// or attaching it to a <see cref="Duality.Resources.ShaderProgram"/>.
/// </summary>
public void Compile()
{
DualityApp.GuardSingleThreadState();
if (this.compiled)
{
return;
}
if (String.IsNullOrEmpty(this.source))
{
return;
}
if (this.glShaderId == 0)
{
this.glShaderId = GL.CreateShader(this.OglShaderType);
}
GL.ShaderSource(this.glShaderId, this.source);
GL.CompileShader(this.glShaderId);
int result;
GL.GetShader(this.glShaderId, ShaderParameter.CompileStatus, out result);
if (result == 0)
{
string infoLog = GL.GetShaderInfoLog(this.glShaderId);
Log.Core.WriteError("Error compiling {0}. InfoLog:\n{1}", this.OglShaderType, infoLog);
return;
}
this.compiled = true;
// Remove comments from source code before extracting variables
string sourceWithoutComments;
{
const string blockComments = @"/\*(.*?)\*/";
const string lineComments = @"//(.*?)\r?\n";
const string strings = @"""((\\[^\n]|[^""\n])*)""";
const string verbatimStrings = @"@(""[^""]*"")+";
sourceWithoutComments = Regex.Replace(this.source,
blockComments + "|" + lineComments + "|" + strings + "|" + verbatimStrings,
me => {
if (me.Value.StartsWith("/*") || me.Value.StartsWith("//"))
{
return(me.Value.StartsWith("//") ? Environment.NewLine : "");
}
// Keep the literal strings
return(me.Value);
},
RegexOptions.Singleline);
}
// Scan remaining code chunk for variable declarations
List <ShaderVarInfo> varInfoList = new List <ShaderVarInfo>();
string[] lines = sourceWithoutComments.Split(new[] { ';', '\n' }, StringSplitOptions.RemoveEmptyEntries);
ShaderVarInfo varInfo = new ShaderVarInfo();
foreach (string t in lines)
{
string curLine = t.TrimStart();
if (curLine.StartsWith("uniform"))
{
varInfo.scope = ShaderVarScope.Uniform;
}
else if (curLine.StartsWith("attribute"))
{
varInfo.scope = ShaderVarScope.Attribute;
}
else
{
continue;
}
string[] curLineSplit = curLine.Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
switch (curLineSplit[1].ToUpper())
{
case "FLOAT": varInfo.type = ShaderVarType.Float; break;
case "VEC2": varInfo.type = ShaderVarType.Vec2; break;
case "VEC3": varInfo.type = ShaderVarType.Vec3; break;
case "VEC4": varInfo.type = ShaderVarType.Vec4; break;
case "MAT2": varInfo.type = ShaderVarType.Mat2; break;
case "MAT3": varInfo.type = ShaderVarType.Mat3; break;
case "MAT4": varInfo.type = ShaderVarType.Mat4; break;
case "INT": varInfo.type = ShaderVarType.Int; break;
case "SAMPLER2D": varInfo.type = ShaderVarType.Sampler2D; break;
}
curLineSplit = curLineSplit[2].Split(new char[] { '[', ']' }, StringSplitOptions.RemoveEmptyEntries);
varInfo.name = curLineSplit[0];
varInfo.arraySize = (curLineSplit.Length > 1) ? int.Parse(curLineSplit[1]) : 1;
varInfo.glVarLoc = -1;
varInfoList.Add(varInfo);
}
this.varInfo = varInfoList.ToArray();
}
protected override void OnUpdateFromObjects(object[] values)
{
base.OnUpdateFromObjects(values);
if (values.Any(o => o != null))
{
bool invokeSetter = false;
IEnumerable<BatchInfo> batchInfos = null;
DrawTechnique refTech = null;
batchInfos = values.Cast<BatchInfo>();
refTech = batchInfos.NotNull().First().Technique.Res;
// Retrieve data about shader variables
ShaderVarInfo[] varInfoArray = null;
if (refTech != null && refTech.Shader.IsAvailable)
{
varInfoArray = refTech.Shader.Res.VarInfo;
}
else
{
varInfoArray = new ShaderVarInfo[] { new ShaderVarInfo() };
varInfoArray[0].arraySize = 1;
varInfoArray[0].glVarLoc = -1;
varInfoArray[0].name = ShaderVarInfo.VarName_MainTex;
varInfoArray[0].scope = ShaderVarScope.Uniform;
varInfoArray[0].type = ShaderVarType.Sampler2D;
}
// Get rid of unused variables (This changes actual Resource data!)
if (!this.ReadOnly)
{
foreach (BatchInfo info in batchInfos.NotNull())
{
List<string> texRemoveSched = null;
List<string> uniRemoveSched = null;
if (info.Textures != null)
{
foreach (var pair in info.Textures)
{
if (!varInfoArray.Any(v => v.scope == ShaderVarScope.Uniform && v.type == ShaderVarType.Sampler2D && v.name == pair.Key))
{
if (texRemoveSched == null) texRemoveSched = new List<string>();
texRemoveSched.Add(pair.Key);
}
}
}
if (info.Uniforms != null)
{
foreach (var pair in info.Uniforms)
{
if (!varInfoArray.Any(v => v.scope == ShaderVarScope.Uniform && v.type != ShaderVarType.Sampler2D && v.name == pair.Key))
{
if (uniRemoveSched == null) uniRemoveSched = new List<string>();
uniRemoveSched.Add(pair.Key);
}
}
}
if (texRemoveSched != null)
{
foreach (string name in texRemoveSched) info.SetTexture(name, ContentRef<Texture>.Null);
invokeSetter = true;
}
if (uniRemoveSched != null)
{
foreach (string name in uniRemoveSched) info.SetUniform(name, null);
invokeSetter = true;
}
}
}
// Create BatchInfo variables according to Shader uniforms, if not existing yet
if (!this.ReadOnly)
{
foreach (ShaderVarInfo varInfo in varInfoArray)
{
if (varInfo.scope != ShaderVarScope.Uniform) continue;
// Set Texture variables
if (varInfo.type == ShaderVarType.Sampler2D)
{
foreach (BatchInfo info in batchInfos.NotNull())
{
if (info.GetTexture(varInfo.name).IsExplicitNull)
{
info.SetTexture(varInfo.name, Texture.White);
invokeSetter = true;
}
}
}
// Set other uniform variables
else
{
float[] uniformVal = varInfo.InitUniformData();
if (uniformVal != null)
{
foreach (BatchInfo info in batchInfos.NotNull())
{
float[] oldVal = info.GetUniform(varInfo.name);
if (oldVal == null)
{
info.SetUniform(varInfo.name, uniformVal);
invokeSetter = true;
}
else if (oldVal.Length != uniformVal.Length)
{
for (int i = 0; i < Math.Min(oldVal.Length, uniformVal.Length); i++) uniformVal[i] = oldVal[i];
info.SetUniform(varInfo.name, uniformVal);
invokeSetter = true;
}
}
}
}
}
}
// Create editors according to existing variables
var texDict = batchInfos.NotNull().First().Textures;
var uniformDict = batchInfos.NotNull().First().Uniforms;
Dictionary<string,PropertyEditor> oldEditors = new Dictionary<string,PropertyEditor>(this.shaderVarEditors);
if (texDict != null)
{
foreach (var tex in texDict)
{
ShaderVarInfo varInfo = varInfoArray.FirstOrDefault(v => v.scope == ShaderVarScope.Uniform && v.name == tex.Key);
if (!varInfo.IsEditorVisible) continue;
string texName = varInfo.name;
if (oldEditors.ContainsKey(texName))
oldEditors.Remove(texName);
else
{
PropertyEditor e = this.ParentGrid.CreateEditor(typeof(ContentRef<Texture>), this);
e.Getter = this.CreateTextureValueGetter(texName);
e.Setter = !this.ReadOnly ? this.CreateTextureValueSetter(texName) : null;
e.PropertyName = texName;
this.shaderVarEditors[texName] = e;
this.ParentGrid.ConfigureEditor(e);
this.AddPropertyEditor(e);
}
}
}
if (uniformDict != null)
{
foreach (var uniform in uniformDict)
{
ShaderVarInfo varInfo = varInfoArray.FirstOrDefault(v => v.scope == ShaderVarScope.Uniform && v.name == uniform.Key);
if (!varInfo.IsEditorVisible) continue;
PropertyEditor e = this.CreateUniformEditor(varInfo);
if (e != null)
{
if (oldEditors.ContainsValue(e))
oldEditors.Remove(varInfo.name);
else
{
e.PropertyName = uniform.Key;
this.shaderVarEditors[uniform.Key] = e;
this.AddPropertyEditor(e);
}
}
}
}
// Remove old editors that aren't needed anymore
foreach (var pair in oldEditors)
{
if (this.shaderVarEditors[pair.Key] == pair.Value) this.shaderVarEditors.Remove(pair.Key);
this.RemovePropertyEditor(pair.Value);
}
// If we actually changed (updated) data here, invoke the setter
if (invokeSetter)
{
this.SetValues(batchInfos);
if (!this.IsUpdating)
this.PerformGetValue();
}
}
}
protected PropertyEditor CreateUniformEditor(ShaderVarInfo varInfo)
{
PropertyEditor oldEditor;
this.shaderVarEditors.TryGetValue(varInfo.name, out oldEditor);
List<EditorHintAttribute> configData = new List<EditorHintAttribute>();
if (varInfo.arraySize == 1)
{
if (varInfo.type == ShaderVarType.Float || varInfo.type == ShaderVarType.Int)
{
Type editType = typeof(float);
if (varInfo.type == ShaderVarType.Int) editType = typeof(int);
if (oldEditor != null && oldEditor.EditedType == editType)
return oldEditor;
else
{
PropertyEditor e = this.ParentGrid.CreateEditor(editType, this);
if (varInfo.type == ShaderVarType.Int)
{
e.Getter = this.CreateUniformIntValueGetter(varInfo.name);
e.Setter = !this.ReadOnly ? this.CreateUniformIntValueSetter(varInfo.name) : null;
}
else
{
e.Getter = this.CreateUniformFloatValueGetter(varInfo.name);
e.Setter = !this.ReadOnly ? this.CreateUniformFloatValueSetter(varInfo.name) : null;
configData.Add(new EditorHintIncrementAttribute(0.1f));
}
this.ParentGrid.ConfigureEditor(e, configData);
return e;
}
}
else if (varInfo.type == ShaderVarType.Vec2)
{
if (oldEditor != null && oldEditor.EditedType == typeof(Vector2))
return oldEditor;
else
{
PropertyEditor e = this.ParentGrid.CreateEditor(typeof(Vector2), this);
e.Getter = this.CreateUniformVec2ValueGetter(varInfo.name);
e.Setter = !this.ReadOnly ? this.CreateUniformVec2ValueSetter(varInfo.name) : null;
configData.Add(new EditorHintIncrementAttribute(0.1f));
this.ParentGrid.ConfigureEditor(e, configData);
return e;
}
}
else if (varInfo.type == ShaderVarType.Vec3)
{
if (oldEditor != null && oldEditor.EditedType == typeof(Vector3))
return oldEditor;
else
{
PropertyEditor e = this.ParentGrid.CreateEditor(typeof(Vector3), this);
e.Getter = this.CreateUniformVec3ValueGetter(varInfo.name);
e.Setter = !this.ReadOnly ? this.CreateUniformVec3ValueSetter(varInfo.name) : null;
configData.Add(new EditorHintIncrementAttribute(0.1f));
this.ParentGrid.ConfigureEditor(e, configData);
return e;
}
}
else
{
if (oldEditor != null && oldEditor.EditedType == typeof(float[]))
return oldEditor;
else
{
PropertyEditor e = this.ParentGrid.CreateEditor(typeof(float[]), this);
e.Getter = this.CreateUniformValueGetter(varInfo.name);
e.Setter = !this.ReadOnly ? this.CreateUniformValueSetter(varInfo.name) : null;
if (e is GroupedPropertyEditor)
{
(e as GroupedPropertyEditor).EditorAdded += this.UniformList_EditorAdded;
}
this.ParentGrid.ConfigureEditor(e, configData);
return e;
}
}
}
else
{
Array oldValue = oldEditor != null ? (oldEditor as IListPropertyEditor).DisplayedValue as Array : null;
Type oldElementType = oldValue != null ? oldValue.GetType().GetElementType() : null;
int oldLen = oldValue != null ? oldValue.Length : -1;
if (varInfo.type == ShaderVarType.Float || varInfo.type == ShaderVarType.Int)
{
Type editType = typeof(float);
if (varInfo.type == ShaderVarType.Int) editType = typeof(int);
if (oldLen == varInfo.arraySize && oldElementType == editType)
return oldEditor;
else
{
PropertyEditor e = this.ParentGrid.CreateEditor(editType.MakeArrayType(), this);
e.Getter = this.CreateUniformValueGetter(varInfo.name);
e.Setter = !this.ReadOnly ? this.CreateUniformValueSetter(varInfo.name) : null;
e.ForceWriteBack = true;
if (e is GroupedPropertyEditor)
{
if (varInfo.type == ShaderVarType.Float) (e as GroupedPropertyEditor).EditorAdded += this.UniformList_EditorAdded;
}
this.ParentGrid.ConfigureEditor(e, configData);
return e;
}
}
else if (varInfo.type == ShaderVarType.Vec2)
{
if (oldLen == varInfo.arraySize && oldElementType == typeof(Vector2))
return oldEditor;
else
{
PropertyEditor e = this.ParentGrid.CreateEditor(typeof(Vector2[]), this);
e.Getter = this.CreateUniformVec2ArrayValueGetter(varInfo.name);
e.Setter = !this.ReadOnly ? this.CreateUniformVec2ArrayValueSetter(varInfo.name) : null;
e.ForceWriteBack = true;
if (e is GroupedPropertyEditor)
{
(e as GroupedPropertyEditor).EditorAdded += this.UniformList_EditorAdded;
}
this.ParentGrid.ConfigureEditor(e, configData);
return e;
}
}
else if (varInfo.type == ShaderVarType.Vec3)
{
if (oldLen == varInfo.arraySize && oldElementType == typeof(Vector3))
return oldEditor;
else
{
PropertyEditor e = this.ParentGrid.CreateEditor(typeof(Vector3[]), this);
e.Getter = this.CreateUniformVec3ArrayValueGetter(varInfo.name);
e.Setter = !this.ReadOnly ? this.CreateUniformVec3ArrayValueSetter(varInfo.name) : null;
e.ForceWriteBack = true;
if (e is GroupedPropertyEditor)
{
(e as GroupedPropertyEditor).EditorAdded += this.UniformList_EditorAdded;
}
this.ParentGrid.ConfigureEditor(e, configData);
return e;
}
}
else
{
if (oldLen == varInfo.arraySize)
return oldEditor;
else
{
PropertyEditor e = this.ParentGrid.CreateEditor(typeof(float[][]), this);
e.Getter = this.CreateUniformArrayValueGetter(varInfo.name, varInfo.arraySize);
e.Setter = !this.ReadOnly ? this.CreateUniformArrayValueSetter(varInfo.name) : null;
e.ForceWriteBack = true;
if (e is GroupedPropertyEditor)
{
(e as GroupedPropertyEditor).EditorAdded += this.UniformList_EditorAdded;
}
this.ParentGrid.ConfigureEditor(e, configData);
return e;
}
}
}
}
/// <summary>
/// Compiles the ShaderProgram. This is done automatically when loading the ShaderProgram
/// or when binding it.
/// </summary>
public void Compile()
{
DualityApp.GuardSingleThreadState();
if (this.glProgramId == 0) return;
if (this.compiled) return;
GL.LinkProgram(this.glProgramId);
int result;
GL.GetProgram(this.glProgramId, GetProgramParameterName.LinkStatus, out result);
if (result == 0)
{
string infoLog = GL.GetProgramInfoLog(this.glProgramId);
Log.Core.WriteError("Error linking shader program. InfoLog:{1}{0}", infoLog, Environment.NewLine);
return;
}
this.compiled = true;
// Collect variable infos from sub programs
ShaderVarInfo[] geomVarArray = this.geom.IsAvailable ? this.geom.Res.VarInfo : null;
ShaderVarInfo[] fragVarArray = this.frag.IsAvailable ? this.frag.Res.VarInfo : null;
ShaderVarInfo[] vertVarArray = this.vert.IsAvailable ? this.vert.Res.VarInfo : null;
var emptyShaderInfo = new ShaderVarInfo[0];
this.varInfo = (vertVarArray ?? emptyShaderInfo)
.Union(fragVarArray ?? emptyShaderInfo)
.Union(geomVarArray ?? emptyShaderInfo)
.ToArray();
// Determine actual variable locations
for (int i = 0; i < this.varInfo.Length; i++)
{
if (this.varInfo[i].scope == ShaderVarScope.Uniform)
this.varInfo[i].glVarLoc = GL.GetUniformLocation(this.glProgramId, this.varInfo[i].name);
else
this.varInfo[i].glVarLoc = GL.GetAttribLocation(this.glProgramId, this.varInfo[i].name);
}
}
