#include <eevee_precompute.hh>

Public Member Functions
	Precompute (draw::Manager &manager, PrecomputeType type, int3 table_extent)

	~Precompute ()

template<typename T >
Vector< T >	data ()

Static Public Member Functions
template<typename VecT >
static void	write_to_pfm (StringRefNull name, Span< VecT > pixels, int64_t n_x, int64_t n_y=1, int64_t n_z=1, int64_t n_w=1)

template<typename VecT >
static void	write_to_header (StringRefNull name, Span< VecT > pixels, int64_t n_x, int64_t n_y=1, int64_t n_z=1, int64_t n_w=1)

Detailed Description

Create a look-up table of the specified type using GPU compute. Not to be used at runtime in final release. Usage example: Precompute(manager, LUT_GGX_BRDF_SPLIT_SUM, {64, 64, 1}).data<float2>()

Definition at line 26 of file eevee_precompute.hh.

Constructor & Destructor Documentation

◆ Precompute()

blender::eevee::Precompute::Precompute	(	draw::Manager &	manager,
		PrecomputeType	type,
		int3	table_extent )

Definition at line 15 of file eevee_precompute.cc.

References blender::draw::detail::PassBase< DrawCommandBufType >::barrier(), blender::draw::detail::PassBase< DrawCommandBufType >::bind_image(), blender::draw::detail::PassBase< DrawCommandBufType >::dispatch(), blender::math::divide_ceil(), blender::draw::Texture::ensure_3d(), GPU_BARRIER_TEXTURE_UPDATE, GPU_DATA_FLOAT, GPU_RGBA32F, GPU_shader_create_from_info_name(), GPU_shader_free(), GPU_TEXTURE_USAGE_HOST_READ, GPU_TEXTURE_USAGE_SHADER_WRITE, LUT_WORKGROUP_SIZE, blender::draw::detail::PassBase< DrawCommandBufType >::push_constant(), blender::draw::Texture::read(), blender::draw::detail::PassBase< DrawCommandBufType >::shader_set(), and blender::draw::Manager::submit().

◆ ~Precompute()

blender::eevee::Precompute::~Precompute ( )

Definition at line 40 of file eevee_precompute.cc.

References MEM_SAFE_FREE.

Member Function Documentation

◆ data()

template<typename T >

Vector< T > blender::eevee::Precompute::data ( )

inline

Definition at line 36 of file eevee_precompute.hh.

References T.

Referenced by write_to_pfm().

◆ write_to_header()

template<typename VecT >

static void blender::eevee::Precompute::write_to_header	(	StringRefNull	name,
		Span< VecT >	pixels,
		int64_t	n_x,
		int64_t	n_y = 1,
		int64_t	n_z = 1,
		int64_t	n_w = 1 )

inlinestatic

Write a the content of a texture as a C++ header file array. The content is to be copied to eevee_lut.cc and formatted with make format.

Definition at line 98 of file eevee_precompute.hh.

References file, w(), y, and z().

◆ write_to_pfm()

template<typename VecT >

static void blender::eevee::Precompute::write_to_pfm	(	StringRefNull	name,
		Span< VecT >	pixels,
		int64_t	n_x,
		int64_t	n_y = 1,
		int64_t	n_z = 1,
		int64_t	n_w = 1 )

inlinestatic

Write a the content of a texture to a PFM image file for inspection. OpenGL texture coordinate convention with Y up is respected.

Definition at line 51 of file eevee_precompute.hh.

References blender::draw::BLI_STATIC_ASSERT(), data(), and file.

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

Public Member Functions

Static Public Member Functions