private void SetupShaderProgram(ShaderProgram program, ref Matrix4 projection)
{
this.context.UseShaderProgram(program);
program.SetUniform("projection_matrix", ref projection);
int posIndex = program.GetAttributeLocation("in_position");
int coloIndex = program.GetAttributeLocation("in_tint");
GL.BindVertexArray(this.vba);
this.context.BindVertexBuffer(this.vertexBuffer);
this.context.EnableVertexAttribArray(posIndex);
this.context.EnableVertexAttribArray(coloIndex);
this.context.VertexAttribPointer(posIndex, 2, VertexAttribPointerType.Float,
true, this.vertecies[0].SizeInBytes, 0);
this.context.VertexAttribPointer(coloIndex, 4, VertexAttribPointerType.UnsignedByte,
true, this.vertecies[0].SizeInBytes, Vector2.SizeInBytes);
GL.BindVertexArray(0);
}
private void SetupShaderProgram(ShaderProgram program, ref Matrix4 projection)
{
this.context.UseShaderProgram(program);
program.SetUniform("projection_matrix", ref projection);
int posIndex = program.GetAttributeLocation("in_position");
int coloIndex = program.GetAttributeLocation("in_tint");
GL.BindVertexArray(this.vba);
this.context.BindVertexBuffer(this.vertexBuffer);
this.context.EnableVertexAttribArray(posIndex);
this.context.EnableVertexAttribArray(coloIndex);
this.context.VertexAttribPointer(posIndex, 2, VertexAttribPointerType.Float,
true, this.vertecies[0].SizeInBytes, 0);
this.context.VertexAttribPointer(coloIndex, 4, VertexAttribPointerType.UnsignedByte,
true, this.vertecies[0].SizeInBytes, Vector2.SizeInBytes);
GL.BindVertexArray(0);
}
//Prepares the supplied effect for drawing.
private void PrepareShaderProgram(ref Matrix4 transformation, ShaderProgram program)
{
this.GraphicsContext.UseShaderProgram(program);
program.SetUniform("tex", 0);
program.SetUniform("projection_matrix", ref transformation);
int posIndex = program.GetAttributeLocation("in_position");
int texIndex = program.GetAttributeLocation("in_coords");
int coloIndex = program.GetAttributeLocation("in_tint");
int rotationIndex = program.GetAttributeLocation("in_rotation");
GL.BindVertexArray(this.vertexArrayHandle);
this.GraphicsContext.BindVertexBuffer(this.vertexBuffer);
this.GraphicsContext.EnableVertexAttribArray(posIndex);
this.GraphicsContext.EnableVertexAttribArray(texIndex);
this.GraphicsContext.EnableVertexAttribArray(coloIndex);
this.GraphicsContext.EnableVertexAttribArray(rotationIndex);
this.GraphicsContext.VertexAttribPointer(posIndex, 4, VertexAttribPointerType.Float, true, this.vertices[0].SizeInBytes, 0);
this.GraphicsContext.VertexAttribPointer(texIndex, 2, VertexAttribPointerType.Float, true, this.vertices[0].SizeInBytes, Vector4.SizeInBytes);
this.GraphicsContext.VertexAttribPointer(coloIndex, 4, VertexAttribPointerType.UnsignedByte, true, this.vertices[0].SizeInBytes, Vector4.SizeInBytes + Vector2.SizeInBytes);
this.GraphicsContext.VertexAttribPointer(rotationIndex, 1, VertexAttribPointerType.Float, true, this.vertices[0].SizeInBytes, Vector4.SizeInBytes + Vector2.SizeInBytes + sizeof(int));
}
