/// <summary>
///
/// </summary>
/// <param name="bufferName"></param>
/// <param name="varNameInShader"></param>
/// <returns></returns>
public PropertyBufferPtr GetProperty(string bufferName, string varNameInShader)
{
if (bufferName == strPosition)
{
if (positionBufferPtr == null)
{
using (var buffer = new PropertyBuffer <GlyphPosition>(varNameInShader, 2, OpenGL.GL_FLOAT, BufferUsage.DynamicDraw))
{
buffer.Create(maxCharCount);
positionBufferPtr = buffer.GetBufferPtr() as PropertyBufferPtr;
}
}
return(positionBufferPtr);
}
else if (bufferName == strUV)
{
if (uvBufferPtr == null)
{
using (var buffer = new PropertyBuffer <GlyphTexCoord>(varNameInShader, 2, OpenGL.GL_FLOAT, BufferUsage.DynamicDraw))
{
buffer.Create(maxCharCount);
uvBufferPtr = buffer.GetBufferPtr() as PropertyBufferPtr;
}
}
return(uvBufferPtr);
}
else
{
throw new ArgumentException();
}
}
/// <summary>
///
/// </summary>
/// <param name="bufferName"></param>
/// <param name="varNameInShader"></param>
/// <returns></returns>
public PropertyBufferPtr GetProperty(string bufferName, string varNameInShader)
{
if (bufferName == strPosition)
{
if (positionBufferPtr == null)
{
using (var buffer = new PropertyBuffer <vec3>(varNameInShader, 3, OpenGL.GL_FLOAT, BufferUsage.StaticDraw))
{
buffer.Create(positions.Length);
unsafe
{
var array = (vec3 *)buffer.Header.ToPointer();
for (int i = 0; i < positions.Length; i++)
{
array[i] = positions[i] / 2 * this.lengths;
}
}
positionBufferPtr = buffer.GetBufferPtr() as PropertyBufferPtr;
}
}
return(positionBufferPtr);
}
else
{
throw new ArgumentException();
}
}
protected override void DoInitialize()
{
// init shader program
this.Program = PickingShaderHelper.GetPickingShaderProgram();
// init property buffer objects
var propertyBufferPtrs = new PropertyBufferPtr[propertyNameMap.Count()];
int index = 0;
foreach (var item in propertyNameMap)
{
PropertyBufferPtr bufferPtr = this.bufferable.GetProperty(
item.NameInIBufferable, item.VarNameInShader);
if (bufferPtr == null)
{
throw new Exception();
}
propertyBufferPtrs[index++] = bufferPtr;
}
this.propertyBufferPtrs = propertyBufferPtrs;
this.indexBufferPtr = this.bufferable.GetIndex();
foreach (var item in propertyNameMap)
{
PropertyBufferPtr bufferPtr = this.bufferable.GetProperty(
item.NameInIBufferable, item.VarNameInShader);
if (bufferPtr == null)
{
throw new Exception();
}
if (item.NameInIBufferable == positionNameInIBufferable)
{
this.positionBufferPtr = new PropertyBufferPtr(
"in_Position",// in_Postion same with in the PickingShader.vert shader
bufferPtr.BufferId,
bufferPtr.DataSize,
bufferPtr.DataType,
bufferPtr.Length,
bufferPtr.ByteLength);
break;
}
}
// RULE: Renderer takes uint.MaxValue, ushort.MaxValue or byte.MaxValue as PrimitiveRestartIndex. So take care this rule when designing a model's index buffer.
var ptr = this.indexBufferPtr as OneIndexBufferPtr;
if (ptr != null)
{
GLSwitch glSwitch = new PrimitiveRestartSwitch(ptr);
this.switchList.Add(glSwitch);
}
// 由于picking.vert/frag只支持vec3的position buffer，所以有此硬性规定。
if (this.positionBufferPtr.DataSize != 3 || this.positionBufferPtr.DataType != OpenGL.GL_FLOAT)
{
throw new Exception(string.Format("Position buffer must use a type composed of 3 float as PropertyBuffer<T>'s T!"));
}
}
protected override VertexBufferPtr Upload2GPU()
{
uint[] buffers = new uint[1];
GL.GetDelegateFor <GL.glGenBuffers>()(1, buffers);
GL.GetDelegateFor <GL.glBindBuffer>()(GL.GL_ARRAY_BUFFER, buffers[0]);
GL.GetDelegateFor <GL.glBufferData>()(GL.GL_ARRAY_BUFFER, this.ByteLength, this.Header, (uint)this.Usage);
PropertyBufferPtr bufferPtr = new PropertyBufferPtr(
this.VarNameInVertexShader, buffers[0], this.DataSize, this.DataType, this.Length, this.ByteLength);
return(bufferPtr);
}
protected override BufferPtr Upload2GPU()
{
uint[] buffers = new uint[1];
glGenBuffers(1, buffers);
glBindBuffer(OpenGL.GL_ARRAY_BUFFER, buffers[0]);
glBufferData(OpenGL.GL_ARRAY_BUFFER, this.ByteLength, this.Header, (uint)this.Usage);
glBindBuffer(OpenGL.GL_ARRAY_BUFFER, 0);
PropertyBufferPtr bufferPtr = new PropertyBufferPtr(
this.VarNameInVertexShader, buffers[0], this.DataSize, this.DataType, this.Length, this.ByteLength);
return(bufferPtr);
}
/// <summary>
///
/// </summary>
/// <param name="bufferName"></param>
/// <param name="varNameInShader"></param>
/// <returns></returns>
public PropertyBufferPtr GetProperty(string bufferName, string varNameInShader)
{
if (bufferName == strPosition)
{
if (positionBufferPtr == null)
{
using (var buffer = new PropertyBuffer <vec3>(
varNameInShader, 3, OpenGL.GL_FLOAT, BufferUsage.StaticDraw))
{
buffer.Create(this.model.positions.Length);
unsafe
{
var array = (vec3 *)buffer.Header.ToPointer();
for (int i = 0; i < this.model.positions.Length; i++)
{
array[i] = this.model.positions[i];
}
}
positionBufferPtr = buffer.GetBufferPtr() as PropertyBufferPtr;
}
}
return(positionBufferPtr);
}
else if (bufferName == strColor)
{
if (colorBufferPtr == null)
{
using (var buffer = new PropertyBuffer <vec3>(
varNameInShader, 3, OpenGL.GL_FLOAT, BufferUsage.StaticDraw))
{
buffer.Create(this.model.colors.Length);
unsafe
{
var array = (vec3 *)buffer.Header.ToPointer();
for (int i = 0; i < this.model.colors.Length; i++)
{
array[i] = this.model.colors[i];
}
}
colorBufferPtr = buffer.GetBufferPtr() as PropertyBufferPtr;
}
}
return(colorBufferPtr);
}
else
{
throw new NotImplementedException();
}
}
protected override void DoInitialize()
{
// init shader program
this.shaderProgram = PickingShaderHelper.GetPickingShaderProgram();
// init property buffer objects
var propertyBufferPtrs = new PropertyBufferPtr[propertyNameMap.Count()];
int index = 0;
foreach (var item in propertyNameMap)
{
PropertyBufferPtr bufferPtr = this.bufferable.GetProperty(
item.nameInIBufferable, item.VarNameInShader);
if (bufferPtr == null)
{
throw new Exception();
}
propertyBufferPtrs[index++] = bufferPtr;
}
this.propertyBufferPtrs = propertyBufferPtrs;
this.indexBufferPtr = this.bufferable.GetIndex();
foreach (var item in propertyNameMap)
{
PropertyBufferPtr bufferPtr = this.bufferable.GetProperty(
item.nameInIBufferable, item.VarNameInShader);
if (bufferPtr == null)
{
throw new Exception();
}
if (item.nameInIBufferable == positionNameInIBufferable)
{
this.positionBufferPtr = new PropertyBufferPtr(
"in_Position",// in_Postion same with in the PickingShader.vert shader
bufferPtr.BufferId,
bufferPtr.DataSize,
bufferPtr.DataType,
bufferPtr.Length,
bufferPtr.ByteLength);
break;
}
}
// 由于picking.vert/frag只支持vec3的position buffer，所以有此硬性规定。
if (this.positionBufferPtr.DataSize != 3 || this.positionBufferPtr.DataType != OpenGL.GL_FLOAT)
{
throw new Exception(string.Format("Position buffer must use a type composed of 3 float as PropertyBuffer<T>'s T!"));
}
}
public uint GetVertexCount()
{
PropertyBufferPtr positionBufferPtr = this.positionBufferPtr;
if (positionBufferPtr == null)
{
return(0);
}
int byteLength = positionBufferPtr.ByteLength;
int vertexLength = positionBufferPtr.DataSize * positionBufferPtr.DataTypeByteLength;
uint vertexCount = (uint)(byteLength / vertexLength);
return(vertexCount);
}
protected override void DoInitialize()
{
// init shader program
ShaderProgram program = new ShaderProgram();
var shaders = (from item in shaderCode select item.CreateShader()).ToArray();
program.Create(shaders);
this.shaderProgram = program;
foreach (var item in shaders)
{
item.Delete();
}
// init property buffer objects
var propertyBufferPtrs = new PropertyBufferPtr[propertyNameMap.Count()];
int index = 0;
foreach (var item in propertyNameMap)
{
PropertyBufferPtr bufferPtr = this.bufferable.GetProperty(
item.nameInIBufferable, item.VarNameInShader);
if (bufferPtr == null)
{
throw new Exception();
}
propertyBufferPtrs[index++] = bufferPtr;
if (item.nameInIBufferable == positionNameInIBufferable)
{
this.positionBufferPtr = new PropertyBufferPtr(
"in_Position",// in_Postion same with in the PickingShader.vert shader
bufferPtr.BufferID,
bufferPtr.DataSize,
bufferPtr.DataType,
bufferPtr.Length,
bufferPtr.ByteLength);
}
}
this.propertyBufferPtrs = propertyBufferPtrs;
// init index buffer object's renderer
this.indexBufferPtr = this.bufferable.GetIndex();
this.bufferable = null;
this.shaderCode = null;
this.propertyNameMap = null;
InitializeElementCount();
}
/// <summary>
///
/// </summary>
/// <param name="bufferName"></param>
/// <param name="varNameInShader"></param>
/// <returns></returns>
public PropertyBufferPtr GetProperty(string bufferName, string varNameInShader)
{
if (bufferName == strPosition)
{
if (positionBufferPtr == null)
{
using (var buffer = new PropertyBuffer <vec3>(varNameInShader, 3, OpenGL.GL_FLOAT, BufferUsage.StaticDraw))
{
buffer.Create(model.positions.Length);
unsafe
{
var array = (vec3 *)buffer.Header.ToPointer();
for (int i = 0; i < model.positions.Length; i++)
{
array[i] = model.positions[i];
}
}
positionBufferPtr = buffer.GetBufferPtr() as PropertyBufferPtr;
}
}
return(positionBufferPtr);
}
else if (bufferName == strTexCoord)
{
if (uvBufferPtr == null)
{
using (var buffer = new PropertyBuffer <vec2>(varNameInShader, 2, OpenGL.GL_FLOAT, BufferUsage.StaticDraw))
{
buffer.Create(model.texCoords.Length);
unsafe
{
var array = (vec2 *)buffer.Header.ToPointer();
for (int i = 0; i < model.texCoords.Length; i++)
{
array[i] = model.texCoords[i];
}
}
uvBufferPtr = buffer.GetBufferPtr() as PropertyBufferPtr;
}
}
return(uvBufferPtr);
}
else
{
return(null);
}
}
/// <summary>
///
/// </summary>
protected override void DoInitialize()
{
base.DoInitialize();
foreach (var item in propertyNameMap)
{
PropertyBufferPtr bufferPtr = this.bufferable.GetProperty(
item.NameInIBufferable, item.VarNameInShader);
if (bufferPtr == null)
{
throw new Exception();
}
if (item.NameInIBufferable == positionNameInIBufferable)
{
this.positionBufferPtr = new PropertyBufferPtr(
"in_Position",// in_Postion same with in the PickingShader.vert shader
bufferPtr.BufferId,
bufferPtr.DataSize,
bufferPtr.DataType,
bufferPtr.Length,
bufferPtr.ByteLength);
break;
}
}
// init index buffer
{
//IndexBufferPtr indexBufferPtr = this.bufferable.GetIndex();
using (var buffer = new OneIndexBuffer <uint>(
this.indexBufferPtr.Mode, BufferUsage.DynamicDraw))
{
buffer.Create(this.positionBufferPtr.ByteLength / (this.positionBufferPtr.DataSize * this.positionBufferPtr.DataTypeByteLength));
this.indexBufferPtr = buffer.GetBufferPtr() as IndexBufferPtr;
}
}
{
var oneIndexBufferPtr = this.indexBufferPtr as OneIndexBufferPtr;
this.maxElementCount = oneIndexBufferPtr.ElementCount;
oneIndexBufferPtr.ElementCount = 0;// 高亮0个图元
}
//this.bufferable = null;
//this.shaderCodes = null;
//this.propertyNameMap = null;
}
protected override void DoInitialize()
{
// init shader program
ShaderProgram program = PickingShaderHelper.GetPickingShaderProgram();
var shaders = (from item in shaderCodes select item.CreateShader()).ToArray();
program.Create(shaders);
this.shaderProgram = program;
foreach (var item in shaders)
{
item.Delete();
}
// init property buffer objects
var propertyBufferPtrs = new PropertyBufferPtr[propertyNameMap.Count()];
int index = 0;
foreach (var item in propertyNameMap)
{
if (index <= 0)
{
if (item.nameInIBufferable == this.positionNameInIBufferable)
{
PropertyBufferPtr bufferPtr = this.bufferable.GetProperty(
item.nameInIBufferable, item.VarNameInShader);
if (bufferPtr == null)
{
throw new Exception();
}
propertyBufferPtrs[index++] = bufferPtr;
this.positionBufferPtr = bufferPtr;
}
}
else
{
if (item.nameInIBufferable == this.positionNameInIBufferable)
{
throw new Exception("More than 1 property named as position buffer~");
}
}
}
this.propertyBufferPtrs = propertyBufferPtrs;
this.indexBufferPtr = this.bufferable.GetIndex();
}
/// <summary>
///
/// </summary>
protected override void DoInitialize()
{
// init shader program
var program = new ShaderProgram();
var shaders = (from item in shaderCodes select item.CreateShader()).ToArray();
program.Create(shaders);
this.Program = program;
foreach (var item in shaders)
{
item.Delete();
}
// init property buffer objects
var propertyBufferPtrs = new PropertyBufferPtr[propertyNameMap.Count()];
int index = 0;
foreach (var item in propertyNameMap)
{
PropertyBufferPtr bufferPtr = this.bufferable.GetProperty(
item.NameInIBufferable, item.VarNameInShader);
if (bufferPtr == null)
{
throw new Exception(string.Format("[{0}] returns null buffer pointer!", this.bufferable));
}
propertyBufferPtrs[index++] = bufferPtr;
}
this.propertyBufferPtrs = propertyBufferPtrs;
this.indexBufferPtr = this.bufferable.GetIndex();
// RULE: Renderer takes uint.MaxValue, ushort.MaxValue or byte.MaxValue as PrimitiveRestartIndex. So take care this rule when designing a model's index buffer.
var ptr = this.indexBufferPtr as OneIndexBufferPtr;
if (ptr != null)
{
GLSwitch glSwitch = new PrimitiveRestartSwitch(ptr);
this.switchList.Add(glSwitch);
}
}
protected override void DoInitialize()
{
// init shader program
ShaderProgram program = new ShaderProgram();
var shaders = (from item in shaderCodes select item.CreateShader()).ToArray();
program.Create(shaders);
this.shaderProgram = program;
foreach (var item in shaders)
{
item.Delete();
}
// init property buffer objects
var propertyBufferPtrs = new PropertyBufferPtr[propertyNameMap.Count()];
int index = 0;
foreach (var item in propertyNameMap)
{
PropertyBufferPtr bufferPtr = this.bufferable.GetProperty(
item.nameInIBufferable, item.VarNameInShader);
if (bufferPtr == null)
{
throw new Exception();
}
propertyBufferPtrs[index++] = bufferPtr;
}
this.propertyBufferPtrs = propertyBufferPtrs;
this.indexBufferPtr = this.bufferable.GetIndex();
var ptr = this.indexBufferPtr as OneIndexBufferPtr;
if (ptr != null)
{
var glSwitch = new PrimitiveRestartSwitch(ptr);
this.switchList.Add(glSwitch);
}
}
/// <summary>
///
/// </summary>
/// <param name="bufferName"></param>
/// <param name="varNameInShader"></param>
/// <returns></returns>
public PropertyBufferPtr GetProperty(string bufferName, string varNameInShader)
{
if (bufferName == strPosition)
{
if (positionBufferPtr == null)
{
using (var buffer = new PropertyBuffer <CubeModel.CubePosition>(varNameInShader, 3, OpenGL.GL_FLOAT, BufferUsage.StaticDraw))
{
buffer.Create(1);
unsafe
{
var positionArray = (CubeModel.CubePosition *)buffer.Header.ToPointer();
positionArray[0] = CubeModel.position;
}
positionBufferPtr = buffer.GetBufferPtr() as PropertyBufferPtr;
}
}
return(positionBufferPtr);
}
else if (bufferName == strColor)
{
if (colorBufferPtr == null)
{
using (var buffer = new PropertyBuffer <CubeModel.CubeColor>(varNameInShader, 3, OpenGL.GL_FLOAT, BufferUsage.StaticDraw))
{
buffer.Create(1);
unsafe
{
var colorArray = (CubeModel.CubeColor *)buffer.Header.ToPointer();
colorArray[0] = CubeModel.color;
}
colorBufferPtr = buffer.GetBufferPtr() as PropertyBufferPtr;
}
}
return(colorBufferPtr);
}
else if (bufferName == strNormal)
{
if (normalBufferPtr == null)
{
using (var buffer = new PropertyBuffer <CubeModel.CubeNormal>(varNameInShader, 3, OpenGL.GL_FLOAT, BufferUsage.StaticDraw))
{
buffer.Create(1);
unsafe
{
var normalArray = (CubeModel.CubeNormal *)buffer.Header.ToPointer();
normalArray[0] = CubeModel.normal;
}
normalBufferPtr = buffer.GetBufferPtr() as PropertyBufferPtr;
}
}
return(normalBufferPtr);
}
else
{
return(null);
}
}
/// <summary>
///
/// </summary>
/// <param name="bufferName"></param>
/// <param name="varNameInShader"></param>
/// <returns></returns>
public PropertyBufferPtr GetProperty(string bufferName, string varNameInShader)
{
if (bufferName == strPosition)
{
if (positionBufferPtr == null)
{
using (var buffer = new PropertyBuffer <float>(varNameInShader, 3, OpenGL.GL_FLOAT, BufferUsage.StaticDraw))
{
float[] positions = model.GetPositions();
buffer.Create(positions.Length);
unsafe
{
var array = (float *)buffer.Header.ToPointer();
for (int i = 0; i < positions.Length; i++)
{
array[i] = positions[i];
}
}
positionBufferPtr = buffer.GetBufferPtr() as PropertyBufferPtr;
}
}
return(positionBufferPtr);
}
else if (bufferName == strColor)
{
if (colorBufferPtr == null)
{
using (var buffer = new PropertyBuffer <float>(varNameInShader, 3, OpenGL.GL_FLOAT, BufferUsage.StaticDraw))
{
float[] normals = model.GetNormals();
buffer.Create(normals.Length);
unsafe
{
var array = (float *)buffer.Header.ToPointer();
for (int i = 0; i < normals.Length; i++)
{
array[i] = normals[i];
}
}
colorBufferPtr = buffer.GetBufferPtr() as PropertyBufferPtr;
}
}
return(colorBufferPtr);
}
else if (bufferName == strNormal)
{
if (normalBufferPtr == null)
{
using (var buffer = new PropertyBuffer <float>(varNameInShader, 3, OpenGL.GL_FLOAT, BufferUsage.StaticDraw))
{
float[] normals = model.GetNormals();
buffer.Create(normals.Length);
unsafe
{
var array = (float *)buffer.Header.ToPointer();
for (int i = 0; i < normals.Length; i++)
{
array[i] = normals[i];
}
}
normalBufferPtr = buffer.GetBufferPtr() as PropertyBufferPtr;
}
}
return(normalBufferPtr);
}
else
{
return(null);
}
}
/// <summary>
///
/// </summary>
/// <param name="bufferName"></param>
/// <param name="varNameInShader"></param>
/// <returns></returns>
public PropertyBufferPtr GetProperty(string bufferName, string varNameInShader)
{
if (bufferName == strPosition)
{
if (positionBufferPtr == null)
{
using (var buffer = new PropertyBuffer <vec3>(varNameInShader, 3, OpenGL.GL_FLOAT, BufferUsage.StaticDraw))
{
buffer.Create(TetrahedronModel.position.Length);
unsafe
{
var array = (vec3 *)buffer.Header.ToPointer();
for (int i = 0; i < TetrahedronModel.position.Length; i++)
{
array[i] = TetrahedronModel.position[i];
}
}
positionBufferPtr = buffer.GetBufferPtr() as PropertyBufferPtr;
}
}
return(positionBufferPtr);
}
else if (bufferName == strColor)
{
if (colorBufferPtr == null)
{
using (var buffer = new PropertyBuffer <vec3>(varNameInShader, 3, OpenGL.GL_FLOAT, BufferUsage.StaticDraw))
{
buffer.Create(TetrahedronModel.color.Length);
unsafe
{
var array = (vec3 *)buffer.Header.ToPointer();
for (int i = 0; i < TetrahedronModel.color.Length; i++)
{
array[i] = TetrahedronModel.color[i];
}
}
colorBufferPtr = buffer.GetBufferPtr() as PropertyBufferPtr;
}
}
return(colorBufferPtr);
}
else if (bufferName == strNormal)
{
if (normalBufferPtr == null)
{
using (var buffer = new PropertyBuffer <vec3>(varNameInShader, 3, OpenGL.GL_FLOAT, BufferUsage.StaticDraw))
{
buffer.Create(TetrahedronModel.normal.Length);
unsafe
{
var array = (vec3 *)buffer.Header.ToPointer();
for (int i = 0; i < TetrahedronModel.normal.Length; i++)
{
array[i] = TetrahedronModel.normal[i];
}
}
normalBufferPtr = buffer.GetBufferPtr() as PropertyBufferPtr;
}
}
return(normalBufferPtr);
}
else
{
return(null);
}
}
