private void ColorCodedRender(RenderEventArgs arg, IndexBufferPtr temporaryIndexBufferPtr = null)
{
UpdatePolygonMode(arg.PickingGeometryType);
ShaderProgram program = this.Program;
// 绑定shader
program.Bind();
program.SetUniform("pickingBaseId",
temporaryIndexBufferPtr == null ? (int)this.PickingBaseId : 0);
UniformMat4 uniformmMVP4Picking = this.uniformmMVP4Picking;
bool mvpUpdated = uniformmMVP4Picking.Updated;
if (mvpUpdated)
{
uniformmMVP4Picking.SetUniform(program);
}
PickingSwitchesOn();
GLSwitch primitiveRestartIndexSwitch = null;
var oneIndexBufferPtr = temporaryIndexBufferPtr as OneIndexBufferPtr;
if (oneIndexBufferPtr != null)
{
primitiveRestartIndexSwitch = new PrimitiveRestartSwitch(oneIndexBufferPtr);
primitiveRestartIndexSwitch.On();
}
if (this.vertexArrayObject == null)
{
var vertexArrayObject = new VertexArrayObject(
this.indexBufferPtr, this.positionBufferPtr);
vertexArrayObject.Create(arg, program);
this.vertexArrayObject = vertexArrayObject;
}
//else
{
this.vertexArrayObject.Render(arg, program, temporaryIndexBufferPtr);
}
if (oneIndexBufferPtr != null)
{
primitiveRestartIndexSwitch.Off();
}
PickingSwitchesOff();
if (mvpUpdated)
{
uniformmMVP4Picking.ResetUniform(program);
}
// 解绑shader
program.Unbind();
}
private void ColorCodedRender(RenderEventArgs arg, IndexBufferPtr temporaryIndexBufferPtr = null)
{
UpdatePolygonMode(arg.PickingGeometryType);
ShaderProgram program = this.Program;
// 绑定shader
program.Bind();
program.SetUniform("pickingBaseId",
temporaryIndexBufferPtr == null ? (int)this.PickingBaseId : 0);
UniformMat4 uniformmMVP4Picking = this.uniformmMVP4Picking;
{
mat4 projection = arg.Camera.GetProjectionMatrix();
mat4 view = arg.Camera.GetViewMatrix();
mat4 model = this.GetModelMatrix();
uniformmMVP4Picking.Value = projection * view * model;
}
uniformmMVP4Picking.SetUniform(program);
PickingSwitchesOn();
GLSwitch primitiveRestartIndexSwitch = null;
var oneIndexBufferPtr = temporaryIndexBufferPtr as OneIndexBufferPtr;
if (oneIndexBufferPtr != null)
{
primitiveRestartIndexSwitch = new PrimitiveRestartSwitch(oneIndexBufferPtr);
primitiveRestartIndexSwitch.On();
}
{
this.vertexArrayObject.Render(arg, program, temporaryIndexBufferPtr);
}
if (oneIndexBufferPtr != null)
{
primitiveRestartIndexSwitch.Off();
}
PickingSwitchesOff();
//if (mvpUpdated) { uniformmMVP4Picking.ResetUniform(program); }
// 解绑shader
program.Unbind();
}
protected override void DoRender(RenderEventArgs arg)
{
UpdatePolygonMode(arg.PickingGeometryType);
ShaderProgram program = this.shaderProgram;
// 绑定shader
program.Bind();
program.SetUniform("pickingBaseId", (int)this.PickingBaseId);
UniformMat4 uniformmMVP4Picking = this.uniformmMVP4Picking;
bool mvpUpdated = uniformmMVP4Picking.Updated;
if (mvpUpdated)
{
uniformmMVP4Picking.SetUniform(program);
}
PickingSwitchesOn();
if (this.vertexArrayObject == null)
{
var vertexArrayObject4Picking = new VertexArrayObject(
this.indexBufferPtr, this.positionBufferPtr);
vertexArrayObject4Picking.Create(arg, program);
this.vertexArrayObject = vertexArrayObject4Picking;
}
//else
{
this.vertexArrayObject.Render(arg, program);
}
PickingSwitchesOff();
if (mvpUpdated)
{
uniformmMVP4Picking.ResetUniform(program);
}
// 解绑shader
program.Unbind();
}
/// <summary>
/// render with specified index buffer.
/// </summary>
/// <param name="arg"></param>
/// <param name="temporaryIndexBuffer"></param>
private void Render4Picking(RenderEventArgs arg, IndexBuffer temporaryIndexBuffer)
{
UpdatePolygonMode(arg.PickingGeometryType);
ShaderProgram program = this.Program;
// 绑定shader
program.Bind();
program.glUniform("pickingBaseId", 0);
UniformMat4 uniformmMVP4Picking = this.uniformmMVP4Picking;
{
mat4 projection = arg.Camera.GetProjectionMatrix();
mat4 view = arg.Camera.GetViewMatrix();
mat4 model = this.GetModelMatrix().Value;
uniformmMVP4Picking.Value = projection * view * model;
}
uniformmMVP4Picking.SetUniform(program);
PickingStateesOn();
var oneIndexBuffer = temporaryIndexBuffer as OneIndexBuffer;
if (oneIndexBuffer != null)
{
PrimitiveRestartState glState = this.GetPrimitiveRestartState(oneIndexBuffer);
glState.On();
this.vertexArrayObject.Render(arg, program, temporaryIndexBuffer);
glState.Off();
}
else
{
this.vertexArrayObject.Render(arg, program, temporaryIndexBuffer);
}
PickingStateesOff();
//if (mvpUpdated) { uniformmMVP4Picking.ResetUniform(program); }
// 解绑shader
program.Unbind();
}
/// <summary>
///
/// </summary>
/// <param name="arg"></param>
public void Render4Picking(RenderEventArgs arg)
{
if (!this.IsInitialized)
{
this.Initialize();
}
UpdatePolygonMode(arg.PickingGeometryType);
ShaderProgram program = this.Program;
// 绑定shader
program.Bind();
program.glUniform("pickingBaseId",
(int)this.PickingBaseId);
UniformMat4 uniformmMVP4Picking = this.uniformmMVP4Picking;
{
mat4 projection = arg.Camera.GetProjectionMatrix();
mat4 view = arg.Camera.GetViewMatrix();
mat4 model = this.GetModelMatrix().Value;
uniformmMVP4Picking.Value = projection * view * model;
}
uniformmMVP4Picking.SetUniform(program);
PickingStateesOn();
this.vertexArrayObject.Render(arg, program);
PickingStateesOff();
//if (mvpUpdated) { uniformmMVP4Picking.ResetUniform(program); }
// 解绑shader
program.Unbind();
}
