texture_image.cc File Reference

#include <algorithm>
#include <cfloat>
#include <cmath>
#include <cstring>
#include <fcntl.h>
#include <unistd.h>
#include "IMB_imbuf.hh"
#include "IMB_imbuf_types.hh"
#include "DNA_image_types.h"
#include "DNA_texture_types.h"
#include "BLI_math_interp.hh"
#include "BLI_math_vector.h"
#include "BLI_rect.h"
#include "BLI_threads.h"
#include "BLI_utildefines.h"
#include "BKE_image.hh"
#include "RE_texture.h"
#include "texture_common.h"

Go to the source code of this file.

Classes
struct	afdata_t
struct	ReadEWAData

Enumerations
enum	{ TXC_XMIR = 1 , TXC_YMIR , TXC_REPT , TXC_EXTD }

Functions
static void	boxsample (ImBuf *ibuf, float minx, float miny, float maxx, float maxy, TexResult *texres, const short imaprepeat, const short imapextend)
static void	ibuf_get_color (float col[4], ImBuf *ibuf, int x, int y)
int	imagewrap (Tex *tex, Image *ima, const float texvec[3], TexResult *texres, ImagePool *pool, const bool skip_load_image)
static void	clipx_rctf_swap (rctf *stack, short *count, float x1, float x2)
static void	clipy_rctf_swap (rctf *stack, short *count, float y1, float y2)
static float	square_rctf (const rctf *rf)
static float	clipx_rctf (rctf *rf, float x1, float x2)
static float	clipy_rctf (rctf *rf, float y1, float y2)
static void	boxsampleclip (ImBuf *ibuf, const rctf *rf, TexResult *texres)
static int	ibuf_get_color_clip (float col[4], ImBuf *ibuf, int x, int y, int extflag)
static int	ibuf_get_color_clip_bilerp (float col[4], ImBuf *ibuf, float u, float v, int intpol, int extflag)
static void	area_sample (TexResult *texr, ImBuf *ibuf, float fx, float fy, const afdata_t *AFD)
static void	ewa_read_pixel_cb (void *userdata, int x, int y, float result[4])
static void	ewa_eval (TexResult *texr, ImBuf *ibuf, float fx, float fy, const afdata_t *AFD)
static void	feline_eval (TexResult *texr, ImBuf *ibuf, float fx, float fy, const afdata_t *AFD)
static void	alpha_clip_aniso (const ImBuf *ibuf, float minx, float miny, float maxx, float maxy, int extflag, TexResult *texres)
static void	image_mipmap_test (Tex *tex, ImBuf *ibuf)
static int	imagewraposa_aniso (Tex *tex, Image *ima, ImBuf *ibuf, const float texvec[3], float dxt[2], float dyt[2], TexResult *texres, ImagePool *pool, const bool skip_load_image)
int	imagewraposa (Tex *tex, Image *ima, ImBuf *ibuf, const float texvec[3], const float DXT[2], const float DYT[2], TexResult *texres, ImagePool *pool, const bool skip_load_image)
void	image_sample (Image *ima, float fx, float fy, float dx, float dy, float result[4], ImagePool *pool)
void	ibuf_sample (ImBuf *ibuf, float fx, float fy, float dx, float dy, float result[4])

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
TXC_XMIR
TXC_YMIR
TXC_REPT
TXC_EXTD

Definition at line 654 of file texture_image.cc.

Function Documentation

alpha_clip_aniso()

void alpha_clip_aniso ( const ImBuf * ibuf, float minx, float miny, float maxx, float maxy, int extflag, TexResult * texres )

static

Definition at line 861 of file texture_image.cc.

References clipx_rctf(), clipy_rctf(), ELEM, max_ff(), TexResult::trgba, TXC_EXTD, TXC_REPT, ImBuf::x, rctf::xmax, rctf::xmin, ImBuf::y, rctf::ymax, and rctf::ymin.

Referenced by imagewraposa_aniso().

area_sample()

void area_sample ( TexResult * texr, ImBuf * ibuf, float fx, float fy, const afdata_t * AFD )

static

Definition at line 747 of file texture_image.cc.

References afdata_t::dxt, afdata_t::dyt, afdata_t::extflag, ibuf_get_color_clip_bilerp(), afdata_t::intpol, out, sqrtf, TexResult::talpha, TexResult::trgba, ImBuf::x, and ImBuf::y.

Referenced by imagewraposa_aniso().

boxsample()

void boxsample ( ImBuf * ibuf, float minx, float miny, float maxx, float maxy, TexResult * texres, const short imaprepeat, const short imapextend )

static

Definition at line 534 of file texture_image.cc.

References boxsampleclip(), CLAMP, clipx_rctf(), clipx_rctf_swap(), clipy_rctf(), clipy_rctf_swap(), count, square_rctf(), TexResult::talpha, TexResult::trgba, ImBuf::x, rctf::xmax, rctf::xmin, ImBuf::y, rctf::ymax, and rctf::ymin.

Referenced by image_sample(), imagewrap(), and imagewraposa().

boxsampleclip()

void boxsampleclip ( ImBuf * ibuf, const rctf * rf, TexResult * texres )

static

Definition at line 449 of file texture_image.cc.

References add_v4_v4(), col, floor, ibuf_get_color(), madd_v4_v4fl(), mul_v4_fl(), TexResult::trgba, ImBuf::x, x, rctf::xmax, rctf::xmin, ImBuf::y, y, rctf::ymax, rctf::ymin, and zero_v4().

Referenced by boxsample().

clipx_rctf()

float clipx_rctf ( rctf * rf, float x1, float x2 )

static

Definition at line 412 of file texture_image.cc.

References BLI_rctf_size_x(), size(), rctf::xmax, and rctf::xmin.

Referenced by alpha_clip_aniso(), and boxsample().

clipx_rctf_swap()

void clipx_rctf_swap ( rctf * stack, short * count, float x1, float x2 )

static

Definition at line 291 of file texture_image.cc.

References count, rctf::xmax, rctf::xmin, rctf::ymax, and rctf::ymin.

Referenced by boxsample().

clipy_rctf()

float clipy_rctf ( rctf * rf, float y1, float y2 )

static

Definition at line 430 of file texture_image.cc.

References BLI_rctf_size_y(), size(), rctf::ymax, and rctf::ymin.

Referenced by alpha_clip_aniso(), and boxsample().

clipy_rctf_swap()

void clipy_rctf_swap ( rctf * stack, short * count, float y1, float y2 )

static

Definition at line 347 of file texture_image.cc.

References count, rctf::xmax, rctf::xmin, rctf::ymax, and rctf::ymin.

Referenced by boxsample().

ewa_eval()

void ewa_eval ( TexResult * texr, ImBuf * ibuf, float fx, float fy, const afdata_t * AFD )

static

Definition at line 796 of file texture_image.cc.

References BLI_ewa_filter(), data, afdata_t::dxt, afdata_t::dyt, ewa_read_pixel_cb(), afdata_t::intpol, TexResult::talpha, TexResult::trgba, ImBuf::x, and ImBuf::y.

Referenced by ibuf_sample(), and imagewraposa_aniso().

ewa_read_pixel_cb()

void ewa_read_pixel_cb ( void * userdata, int x, int y, float result[4] )

static

Definition at line 790 of file texture_image.cc.

References data, ibuf_get_color_clip(), result, x, and y.

Referenced by ewa_eval().

feline_eval()

void feline_eval ( TexResult * texr, ImBuf * ibuf, float fx, float fy, const afdata_t * AFD )

static

Definition at line 814 of file texture_image.cc.

References cosf, D, afdata_t::dusc, afdata_t::dvsc, EWA_MAXIDX, EWA_WTS, expf, afdata_t::extflag, ibuf_get_color_clip_bilerp(), afdata_t::intpol, afdata_t::iProbes, afdata_t::majrad, afdata_t::minrad, sinf, TexResult::talpha, afdata_t::theta, TexResult::trgba, v, ImBuf::x, and ImBuf::y.

Referenced by imagewraposa_aniso().

ibuf_get_color()

void ibuf_get_color ( float col[4], ImBuf * ibuf, int x, int y )

static

Definition at line 50 of file texture_image.cc.

References ImBuf::byte_buffer, ImBuf::channels, col, copy_v3_v3(), copy_v4_v4(), ImBufByteBuffer::data, ImBufFloatBuffer::data, ImBuf::float_buffer, ImBuf::x, x, and y.

Referenced by boxsampleclip(), and imagewrap().

ibuf_get_color_clip()

int ibuf_get_color_clip ( float col[4], ImBuf * ibuf, int x, int y, int extflag )

static

Similar to ibuf_get_color() but clips/wraps coords according to repeat/extend flags returns true if out of range in clip-mode.

Definition at line 660 of file texture_image.cc.

References ImBuf::byte_buffer, ImBuf::channels, col, ImBufByteBuffer::data, ImBufFloatBuffer::data, ImBuf::float_buffer, TXC_EXTD, TXC_REPT, TXC_XMIR, TXC_YMIR, ImBuf::x, x, ImBuf::y, and y.

Referenced by ewa_read_pixel_cb(), and ibuf_get_color_clip_bilerp().

ibuf_get_color_clip_bilerp()

int ibuf_get_color_clip_bilerp ( float col[4], ImBuf * ibuf, float u, float v, int intpol, int extflag )

static

Definition at line 724 of file texture_image.cc.

References col, floorf, ibuf_get_color_clip(), and v.

Referenced by area_sample(), and feline_eval().

ibuf_sample()

void ibuf_sample	(	ImBuf *	ibuf,
		float	fx,
		float	fy,
		float	dx,
		float	dy,
		float	result[4] )

Definition at line 1713 of file texture_image.cc.

References copy_v4_v4(), afdata_t::dxt, afdata_t::dyt, ewa_eval(), afdata_t::extflag, afdata_t::intpol, result, TexResult::trgba, and TXC_EXTD.

image_mipmap_test()

void image_mipmap_test ( Tex * tex, ImBuf * ibuf )

static

Definition at line 895 of file texture_image.cc.

References BLI_thread_lock(), BLI_thread_unlock(), IB_MIPMAP_INVALID, Tex::imaflag, IMB_makemipmap(), IMB_remakemipmap(), LOCK_IMAGE, ImBuf::mipmap, TEX_GAUSS_MIP, TEX_MIPMAP, and ImBuf::userflags.

Referenced by imagewraposa(), and imagewraposa_aniso().

image_sample()

void image_sample	(	Image *	ima,
		float	fx,
		float	fy,
		float	dx,
		float	dy,
		float	result[4],
		ImagePool *	pool )

Definition at line 1693 of file texture_image.cc.

References BKE_image_pool_acquire_ibuf(), BKE_image_pool_release_ibuf(), boxsample(), copy_v4_v4(), Image::flag, IMA_USED_FOR_RENDER, result, TexResult::talpha, TexResult::trgba, UNLIKELY, and zero_v4().

imagewrap()

int imagewrap	(	Tex *	tex,
		Image *	ima,
		const float	texvec[3],
		TexResult *	texres,
		ImagePool *	pool,
		const bool	skip_load_image )

Definition at line 84 of file texture_image.cc.

References Image::alpha_mode, BKE_image_get_tile_from_pos(), BKE_image_has_loaded_ibuf(), BKE_image_pool_acquire_ibuf(), BKE_image_pool_release_ibuf(), boxsample(), BRICONTRGB, ImBuf::byte_buffer, Tex::checkerdist, ImBufByteBuffer::data, ImBufFloatBuffer::data, ELEM, Tex::extend, Tex::filtersize, Image::flag, Tex::flag, ImBuf::float_buffer, floor, floorf, ibuf_get_color(), IMA_ALPHA_IGNORE, IMA_SRC_TILED, IMA_USED_FOR_RENDER, Tex::imaflag, Tex::iuser, max_fff(), Image::source, TexResult::talpha, TEX_CALCALPHA, TEX_CHECKER, TEX_CHECKER_EVEN, TEX_CHECKER_ODD, TEX_CLIP, TEX_CLIPCUBE, TEX_EXTEND, TEX_IMAROT, TEX_INTERPOL, TEX_NEGALPHA, TEX_REPEAT, TEX_RGB, TEX_USEALPHA, ImageUser::tile, TexResult::tin, TexResult::trgba, ImBuf::x, x, ImBuf::y, and y.

Referenced by multitex().

imagewraposa()

int imagewraposa	(	Tex *	tex,
		Image *	ima,
		ImBuf *	ibuf,
		const float	texvec[3],
		const float	DXT[2],
		const float	DYT[2],
		TexResult *	texres,
		ImagePool *	pool,
		const bool	skip_load_image )

Definition at line 1323 of file texture_image.cc.

References Image::alpha_mode, BKE_image_has_loaded_ibuf(), BKE_image_pool_acquire_ibuf(), BKE_image_pool_release_ibuf(), boxsample(), BRICONTRGB, ImBuf::byte_buffer, Tex::checkerdist, copy_v2_v2(), ImBufByteBuffer::data, ImBufFloatBuffer::data, ELEM, Tex::extend, Tex::filtersize, Image::flag, Tex::flag, ImBuf::float_buffer, floor, IMA_ALPHA_IGNORE, IMA_USED_FOR_RENDER, Tex::imaflag, image_mipmap_test(), imagewraposa_aniso(), Tex::iuser, max_ff(), max_fff(), min_fff(), ImBuf::mipmap, mul_v3_fl(), TexResult::talpha, TEX_CALCALPHA, TEX_CHECKER, TEX_CHECKER_EVEN, TEX_CHECKER_ODD, TEX_CLIP, TEX_CLIPCUBE, TEX_EXTEND, TEX_FILTER_MIN, TEX_IMAROT, TEX_INTERPOL, TEX_MIPMAP, TEX_NEGALPHA, TEX_REPEAT, TEX_REPEAT_XMIR, TEX_REPEAT_YMIR, TEX_RGB, TEX_USEALPHA, Tex::texfilter, TexResult::tin, TexResult::trgba, TXF_BOX, ImBuf::x, and ImBuf::y.

Referenced by multitex().

imagewraposa_aniso()

int imagewraposa_aniso ( Tex * tex, Image * ima, ImBuf * ibuf, const float texvec[3], float dxt[2], float dyt[2], TexResult * texres, ImagePool * pool, const bool skip_load_image )

static

Definition at line 920 of file texture_image.cc.

References A, Tex::afmax, alpha_clip_aniso(), Image::alpha_mode, area_sample(), B, b, BKE_image_has_loaded_ibuf(), BKE_image_pool_acquire_ibuf(), BKE_image_pool_release_ibuf(), BLI_ewa_imp2radangle(), BRICONTRGB, ImBuf::byte_buffer, C, Tex::checkerdist, copy_v2_v2(), ImBufByteBuffer::data, ImBufFloatBuffer::data, afdata_t::dusc, afdata_t::dvsc, afdata_t::dxt, afdata_t::dyt, ELEM, ewa_eval(), Tex::extend, afdata_t::extflag, F, feline_eval(), Tex::filtersize, Image::flag, Tex::flag, ImBuf::float_buffer, floorf, IMA_ALPHA_IGNORE, IMA_USED_FOR_RENDER, Tex::imaflag, image_mipmap_test(), IMB_MIPMAP_LEVELS, afdata_t::intpol, afdata_t::iProbes, isnan, Tex::iuser, len_v2(), logf, M_LOG2E, afdata_t::majrad, max_ff(), max_fff(), min_fff(), afdata_t::minrad, ImBuf::mipmap, mul_v2_fl(), round_fl_to_int(), sqrtf, TexResult::talpha, TEX_CALCALPHA, TEX_CHECKER, TEX_CHECKER_EVEN, TEX_CHECKER_ODD, TEX_CLIP, TEX_CLIPCUBE, TEX_EXTEND, TEX_FILTER_MIN, TEX_IMAROT, TEX_INTERPOL, TEX_MIPMAP, TEX_NEGALPHA, TEX_REPEAT, TEX_REPEAT_XMIR, TEX_REPEAT_YMIR, TEX_RGB, TEX_USEALPHA, Tex::texfilter, afdata_t::theta, TexResult::tin, TexResult::trgba, TXC_EXTD, TXC_REPT, TXC_XMIR, TXC_YMIR, TXF_AREA, TXF_EWA, TXF_FELINE, ImBuf::x, and ImBuf::y.

Referenced by imagewraposa().

square_rctf()

float square_rctf ( const rctf * rf )

static

Definition at line 403 of file texture_image.cc.

References BLI_rctf_size_x(), BLI_rctf_size_y(), x, and y.

Referenced by boxsample().