nux::TemplateQuadBuffer Class Reference

List of all members.

Public Member Functions
	TemplateQuadBuffer (GpuDevice *, ShaderType Type=SHADER_TYPE_GLSL, int NumQuads=256)
void	BindAttribute (INT AttributeLocation, UINT AttributeIndex)
	Bind GLSL parameter.
void	UnBindAttribute (INT AttributeLocation)
	Bind NVidia CG parameter.
void	UnBind ()
void	Render (INT NumPrimitives)
void	SetPerQuadAttribute (UINT AttributeIndex, INT Num, Vector4 *)
	Set the Vertices's attribute on a per quad basis.
void	SetPerVertexAttribute (UINT AttributeIndex, INT Num, Vector4 *pVector)
	Set the Vertices's attribute on a per vertex basis.
void	UnSetQuadAttribute (UINT AttributeIndex)
void	SetNumQuads (int NumQuads)
int	GetNumQuads () const
Protected Member Functions
void	FormatQuads ()
Protected Attributes
ObjectPtr< IOpenGLIndexBuffer >	m_IB

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Detailed Description

Definition at line 41 of file GLTemplatePrimitiveBuffer.h.

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Member Function Documentation

void nux::TemplateQuadBuffer::SetPerQuadAttribute	(	UINT	AttributeIndex,
		INT	Num,
		Vector4 *	pVector
	)

Set the Vertices's attribute on a per quad basis.

Set the Vertices's attribute on a per quad basis. All vertex of the quad will have the same value for the attribute index.

Definition at line 305 of file GLTemplatePrimitiveBuffer.cpp.

  {
    nuxAssert (AttributeIndex > 0); // Index 0 is the vertex position attribute. This on is set in the constructor.
    nuxAssert (AttributeIndex < 16);

    // Destroy the vertex buffer by setting it to NULL;
    VertexAttributeBuffer[AttributeIndex] = ObjectPtr<IOpenGLVertexBuffer> (0);;

    VertexAttributeBuffer[AttributeIndex] = m_pDeviceFactory->CreateVertexBuffer (m_NumQuad * 4 * sizeof (Vector4), VBO_USAGE_DYNAMIC);

    FLOAT *data;
    VertexAttributeBuffer[AttributeIndex]->Lock (0, m_NumQuad * 4 * sizeof (Vector4), (void **) &data);

    INT i;

    for (i = 0; (i < m_NumQuad) && (i <  Num); i++)
    {
      for (INT j = 0; j < 4; j++)
      {
        data[16*i + 4*j + 0] = pVector[i].x;
        data[16*i + 4*j + 1] = pVector[i].y;
        data[16*i + 4*j + 2] = pVector[i].z;
        data[16*i + 4*j + 3] = pVector[i].w;
      }
    }

    while (i < m_NumQuad)
    {
      // this happens if Num < m_NumQuad.
      // Fill the rest with the last element of the parameter array passed as argument of the function.
      for (INT j = 0; j < 4; j++)
      {
        data[16*i + 4*j + 0] = pVector[Num-1].x;
        data[16*i + 4*j + 1] = pVector[Num-1].y;
        data[16*i + 4*j + 2] = pVector[Num-1].z;
        data[16*i + 4*j + 3] = pVector[Num-1].w;
      }

      i++;
    }

    VertexAttributeBuffer[AttributeIndex]->Unlock();
  }

void nux::TemplateQuadBuffer::SetPerVertexAttribute	(	UINT	AttributeIndex,
		INT	Num,
		Vector4 *	pVector
	)

Set the Vertices's attribute on a per vertex basis.

Set the vertex attribute on a per vertex basis.

Definition at line 349 of file GLTemplatePrimitiveBuffer.cpp.

  {
    nuxAssert (AttributeIndex > 0); // Index 0 is the vertex position attribute. This on is set in the constructor.
    nuxAssert (AttributeIndex < 16);

    // Destroy the vertex buffer by setting it to NULL;
    VertexAttributeBuffer[AttributeIndex] = ObjectPtr<IOpenGLVertexBuffer> (0);;

    VertexAttributeBuffer[AttributeIndex] = m_pDeviceFactory->CreateVertexBuffer (m_NumQuad * 4 * sizeof (Vector4), VBO_USAGE_DYNAMIC);

    FLOAT *data;
    VertexAttributeBuffer[AttributeIndex]->Lock (0, m_NumQuad * 4 * sizeof (Vector4), (void **) &data);

    INT i;

    for (i = 0; (i < m_NumQuad * 4) && (i <  Num); i++)
    {
      data[4*i+0] = pVector[i].x;
      data[4*i+1] = pVector[i].y;
      data[4*i+2] = pVector[i].z;
      data[4*i+3] = pVector[i].w;
    }

    while (i < m_NumQuad * 4)
    {
      // this happens if Num < m_NumQuad.
      // Fill the rest with the last element of the parameter array passed as argument of the function.
      data[4*i+0] = pVector[Num-1].x;
      data[4*i+1] = pVector[Num-1].y;
      data[4*i+2] = pVector[Num-1].z;
      data[4*i+3] = pVector[Num-1].w;
      i++;
    }

    VertexAttributeBuffer[AttributeIndex]->Unlock();
  }

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The documentation for this class was generated from the following files:

• NuxGraphics/GLTemplatePrimitiveBuffer.h
• NuxGraphics/GLTemplatePrimitiveBuffer.cpp