public static void setBufferData(BufferTarget bufferType, VAO buffer)
{
if (buffer.isDataInserted())
{
return; //Проверка что заносим информацию в буфферы 1 раз
}
byte bufferCount = 0;
//***************************************Bind VAO***********************//
GL.BindVertexArray(buffer.Vao[0]);
// ************************************************
// Bind ibo for indexes
// ************************************************
if (buffer.getBufferData().Indices != null)
{
GL.BindBuffer(BufferTarget.ElementArrayBuffer, buffer.Ibo[0]); //Bind IBO
GL.BufferData(BufferTarget.ElementArrayBuffer, buffer.getBufferData().getIndicesByteSize(),
buffer.getBufferData().Indices, BufferUsageHint.StaticDraw);
}
// ************************************************
// Bind vbo for vertices
// ************************************************
GL.BindBuffer(bufferType, buffer.Vbo[bufferCount]); //Вершины
GL.BufferData(bufferType, buffer.getBufferData().getVerticesByteSize(),
buffer.getBufferData().Vertices, BufferUsageHint.StaticDraw);
GL.EnableVertexAttribArray(0);
GL.VertexAttribPointer(0, 3, VertexAttribPointerType.Float, false, 0, 0);
bufferCount++;
// ************************************************
// Bind vbo for normals
// ************************************************
if (buffer.getBufferData().Normals != null)
{
GL.BindBuffer(bufferType, buffer.Vbo[bufferCount]);
GL.BufferData(bufferType, buffer.getBufferData().getNormalsByteSize(),
buffer.getBufferData().Normals, BufferUsageHint.StaticDraw);
GL.EnableVertexAttribArray(1);
GL.VertexAttribPointer(1, 3, VertexAttribPointerType.Float, false, 0, 0);
bufferCount++;
}
// ************************************************
// Bind vbo for texture coordinates
// ************************************************
if (buffer.getBufferData().TextureCoordinates != null)
{
GL.BindBuffer(bufferType, buffer.Vbo[bufferCount]);
GL.BufferData(bufferType, buffer.getBufferData().getTexCoordByteSize(),
buffer.getBufferData().TextureCoordinates, BufferUsageHint.StaticDraw);
GL.EnableVertexAttribArray(2);
GL.VertexAttribPointer(2, 2, VertexAttribPointerType.Float, false, 0, 0);
bufferCount++;
}
// ************************************************
// Bind vbo for color values
// ************************************************
if (buffer.getBufferData().Color != null)
{
GL.BindBuffer(bufferType, buffer.Vbo[bufferCount]);
GL.BufferData(bufferType, buffer.getBufferData().getColorByteSize(),
buffer.getBufferData().Color, BufferUsageHint.StaticDraw);
GL.EnableVertexAttribArray(3);
GL.VertexAttribPointer(3, 3, VertexAttribPointerType.Float, false, 0, 0);
bufferCount++;
}
// ************************************************
// Bind vbo for tangents
// ************************************************
if (buffer.getBufferData().Tangent != null)
{
GL.BindBuffer(bufferType, buffer.Vbo[bufferCount]);
GL.BufferData(bufferType, buffer.getBufferData().getTangentByteSize(),
buffer.getBufferData().Tangent, BufferUsageHint.StaticDraw);
GL.EnableVertexAttribArray(4);
GL.VertexAttribPointer(4, 3, VertexAttribPointerType.Float, false, 0, 0);
bufferCount++;
}
// ************************************************
// Bind vbo for bitangents
// ************************************************
if (buffer.getBufferData().Bitangent != null)
{
GL.BindBuffer(bufferType, buffer.Vbo[bufferCount]);
GL.BufferData(bufferType, buffer.getBufferData().getBitangentByteSize(),
buffer.getBufferData().Bitangent, BufferUsageHint.StaticDraw);
GL.EnableVertexAttribArray(5);
GL.VertexAttribPointer(5, 3, VertexAttribPointerType.Float, false, 0, 0);
bufferCount++;
}
// ************************************************
// Bind vbo for userSingleAttributes1
// ************************************************
if (buffer.getBufferData().SingleAttribute1 != null)
{
GL.BindBuffer(bufferType, buffer.Vbo[bufferCount]);
GL.BufferData(bufferType, buffer.getBufferData().getSingleAttribute1Size(),
buffer.getBufferData().SingleAttribute1, BufferUsageHint.StaticDraw);
GL.EnableVertexAttribArray(6);
GL.VertexAttribPointer(6, 1, VertexAttribPointerType.Float, false, 0, 0);
GL.VertexAttribDivisor(6, 1);
bufferCount++;
}
// ************************************************
// Bind vbo for userSingleAttributes2
// ************************************************
if (buffer.getBufferData().SingleAttribute2 != null)
{
GL.BindBuffer(bufferType, buffer.Vbo[bufferCount]);
GL.BufferData(bufferType, buffer.getBufferData().getSingleAttribute2Size(),
buffer.getBufferData().SingleAttribute2, BufferUsageHint.StaticDraw);
GL.EnableVertexAttribArray(7);
GL.VertexAttribPointer(7, 1, VertexAttribPointerType.Float, false, 0, 0);
GL.VertexAttribDivisor(7, 1);
bufferCount++;
}
// ************************************************
// Bind vbo for userVectorAttributes1
// ************************************************
if (buffer.getBufferData().VecAttribute1 != null)
{
GL.BindBuffer(bufferType, buffer.Vbo[bufferCount]);
GL.BufferData(bufferType, buffer.getBufferData().getVectorAttribute1Size(),
buffer.getBufferData().VecAttribute1, BufferUsageHint.StaticDraw);
GL.EnableVertexAttribArray(8);
GL.VertexAttribPointer(8, 4, VertexAttribPointerType.Float, false, 0, 0);
GL.VertexAttribDivisor(8, 1);
bufferCount++;
}
// ************************************************
// Bind vbo for userVectorAttributes2
// ************************************************
if (buffer.getBufferData().VecAttribute2 != null)
{
GL.BindBuffer(bufferType, buffer.Vbo[bufferCount]);
GL.BufferData(bufferType, buffer.getBufferData().getVectorAttribute2Size(),
buffer.getBufferData().VecAttribute2, BufferUsageHint.StaticDraw);
GL.EnableVertexAttribArray(9);
GL.VertexAttribPointer(9, 4, VertexAttribPointerType.Float, false, 0, 0);
GL.VertexAttribDivisor(9, 1);
bufferCount++;
}
// ************************************************
// Bind vbo for userVectorAttributes3
// ************************************************
if (buffer.getBufferData().VecAttribute3 != null)
{
GL.BindBuffer(bufferType, buffer.Vbo[bufferCount]);
GL.BufferData(bufferType, buffer.getBufferData().getVectorAttribute3Size(),
buffer.getBufferData().VecAttribute3, BufferUsageHint.StaticDraw);
GL.EnableVertexAttribArray(10);
GL.VertexAttribPointer(10, 4, VertexAttribPointerType.Float, false, 0, 0);
GL.VertexAttribDivisor(10, 1);
bufferCount++;
}
// ************************************************
// Bind vbo for userVectorAttributes4
// ************************************************
if (buffer.getBufferData().VecAttribute4 != null)
{
GL.BindBuffer(bufferType, buffer.Vbo[bufferCount]);
GL.BufferData(bufferType, buffer.getBufferData().getVectorAttribute4Size(),
buffer.getBufferData().VecAttribute4, BufferUsageHint.StaticDraw);
GL.EnableVertexAttribArray(11);
GL.VertexAttribPointer(11, 4, VertexAttribPointerType.Float, false, 0, 0);
GL.VertexAttribDivisor(11, 1);
bufferCount++;
}
GL.BindBuffer(BufferTarget.ArrayBuffer, 0); //Отвязываем VBO
GL.BindBuffer(BufferTarget.ElementArrayBuffer, 0); //Отвязываем IBO
GL.BindVertexArray(0); //Отвязываем VAO
GL.DisableVertexAttribArray(0);
if (buffer.getBufferData().Normals != null)
{
GL.DisableVertexAttribArray(1);
}
if (buffer.getBufferData().TextureCoordinates != null)
{
GL.DisableVertexAttribArray(2);
}
if (buffer.getBufferData().Color != null)
{
GL.DisableVertexAttribArray(3);
}
if (buffer.getBufferData().Tangent != null)
{
GL.DisableVertexAttribArray(4);
}
if (buffer.getBufferData().Bitangent != null)
{
GL.DisableVertexAttribArray(5);
}
// Data is inserted
buffer.dataInserted();
}
public static void renderInstanced(VAO buffer, PrimitiveType primitiveMode, Int32 count)
{
GL.BindVertexArray(buffer.Vao[0]);
GL.DrawArraysInstanced(primitiveMode, 0, buffer.getBufferData().getCountVertices(), count);
GL.BindVertexArray(0);
}