#include "fs_debug_geometry_normal.h"
#include "device/dvc_device.h"
#include "device/dvc_uniform_buffer.h"
#include "asset/dvc_texture.h"
#include "shader/dvc_shader_functions.h"
#include "pipe/dvc_render_pipe.h"

const char* DebugFragementShader_GeometryNormal::getName(void) const
{
	return "debug:geometry_normal";
}

void DebugFragementShader_GeometryNormal::prepare(const davinci::RenderPipe* pipe, davinci::MaterialConstPtr material)
{
	m_pipe = pipe;
	m_material = material;
}

void DebugFragementShader_GeometryNormal::process(const davinci::VertexDesc& veretexDesc, const float32_t* pixelData, davinci::fVector4& color)
{
	const davinci::UniformBuffer& uniformBuffer = m_pipe->getUniformBuffer();

	const davinci::VertexDesc::Element* v_normal_Element = veretexDesc.getElement("v_normal");
	const davinci::fVector3* v_normal = (const davinci::fVector3*)(pixelData + (v_normal_Element->offset / sizeof(float32_t)));

	davinci::fVector3 normalColor = *v_normal;
	normalColor.normalise();

	color = davinci::fVector4(normalColor, 1);
}