/* * Copyright © 2009 Intel Corporation * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS * IN THE SOFTWARE. * * Authors: * Zhigang Gong * */ #ifndef GLAMOR_PRIV_H #error This file can only be included by glamor_priv.h #endif #ifndef __GLAMOR_UTILS_H__ #define __GLAMOR_UTILS_H__ #include "glamor_prepare.h" #include "mipict.h" #define v_from_x_coord_x(_xscale_, _x_) ( 2 * (_x_) * (_xscale_) - 1.0) #define v_from_x_coord_y(_yscale_, _y_) (2 * (_y_) * (_yscale_) - 1.0) #define t_from_x_coord_x(_xscale_, _x_) ((_x_) * (_xscale_)) #define t_from_x_coord_y(_yscale_, _y_) ((_y_) * (_yscale_)) #define pixmap_priv_get_dest_scale(pixmap, _pixmap_priv_, _pxscale_, _pyscale_) \ do { \ int _w_,_h_; \ PIXMAP_PRIV_GET_ACTUAL_SIZE(pixmap, _pixmap_priv_, _w_, _h_); \ *(_pxscale_) = 1.0 / _w_; \ *(_pyscale_) = 1.0 / _h_; \ } while(0) #define pixmap_priv_get_scale(_pixmap_priv_, _pxscale_, _pyscale_) \ do { \ *(_pxscale_) = 1.0 / (_pixmap_priv_)->fbo->width; \ *(_pyscale_) = 1.0 / (_pixmap_priv_)->fbo->height; \ } while(0) #define PIXMAP_PRIV_GET_ACTUAL_SIZE(pixmap, priv, w, h) \ do { \ if (_X_UNLIKELY(glamor_pixmap_priv_is_large(priv))) { \ w = priv->box.x2 - priv->box.x1; \ h = priv->box.y2 - priv->box.y1; \ } else { \ w = (pixmap)->drawable.width; \ h = (pixmap)->drawable.height; \ } \ } while(0) #define glamor_pixmap_fbo_fix_wh_ratio(wh, pixmap, priv) \ do { \ int actual_w, actual_h; \ PIXMAP_PRIV_GET_ACTUAL_SIZE(pixmap, priv, actual_w, actual_h); \ wh[0] = (float)priv->fbo->width / actual_w; \ wh[1] = (float)priv->fbo->height / actual_h; \ wh[2] = 1.0 / priv->fbo->width; \ wh[3] = 1.0 / priv->fbo->height; \ } while(0) #define pixmap_priv_get_fbo_off(_priv_, _xoff_, _yoff_) \ do { \ if (_X_UNLIKELY(_priv_ && glamor_pixmap_priv_is_large(_priv_))) { \ *(_xoff_) = - (_priv_)->box.x1; \ *(_yoff_) = - (_priv_)->box.y1; \ } else { \ *(_xoff_) = 0; \ *(_yoff_) = 0; \ } \ } while(0) #define xFixedToFloat(_val_) ((float)xFixedToInt(_val_) \ + ((float)xFixedFrac(_val_) / 65536.0)) #define glamor_picture_get_matrixf(_picture_, _matrix_) \ do { \ int _i_; \ if ((_picture_)->transform) \ { \ for(_i_ = 0; _i_ < 3; _i_++) \ { \ (_matrix_)[_i_ * 3 + 0] = \ xFixedToFloat((_picture_)->transform->matrix[_i_][0]); \ (_matrix_)[_i_ * 3 + 1] = \ xFixedToFloat((_picture_)->transform->matrix[_i_][1]); \ (_matrix_)[_i_ * 3 + 2] = \ xFixedToFloat((_picture_)->transform->matrix[_i_][2]); \ } \ } \ } while(0) #define fmod(x, w) (x - w * floor((float)x/w)) #define fmodulus(x, w, c) do {c = fmod(x, w); \ c = c >= 0 ? c : c + w;} \ while(0) /* @x: is current coord * @x2: is the right/bottom edge * @w: is current width or height * @odd: is output value, 0 means we are in an even region, 1 means we are in a * odd region. * @c: is output value, equal to x mod w. */ #define fodd_repeat_mod(x, x2, w, odd, c) \ do { \ float shift; \ fmodulus((x), w, c); \ shift = fabs((x) - (c)); \ shift = floor(fabs(round(shift)) / w); \ odd = (int)shift & 1; \ if (odd && (((x2 % w) == 0) && \ round(fabs(x)) == x2)) \ odd = 0; \ } while(0) /* @txy: output value, is the corrected coords. * @xy: input coords to be fixed up. * @cd: xy mod wh, is a input value. * @wh: current width or height. * @bxy1,bxy2: current box edge's x1/x2 or y1/y2 * * case 1: * ---------- * | * | * | | * ---------- * tx = (c - x1) mod w * * case 2: * --------- * * | | * | | * --------- * tx = - (c - (x1 mod w)) * * case 3: * * ---------- * | | * * | | * ---------- * tx = ((x2 mod x) - c) + (x2 - x1) **/ #define __glamor_repeat_reflect_fixup(txy, xy, \ cd, wh, bxy1, bxy2) \ do { \ cd = wh - cd; \ if ( xy >= bxy1 && xy < bxy2) { \ cd = cd - bxy1; \ fmodulus(cd, wh, txy); \ } else if (xy < bxy1) { \ float bxy1_mod; \ fmodulus(bxy1, wh, bxy1_mod); \ txy = -(cd - bxy1_mod); \ } \ else if (xy >= bxy2) { \ float bxy2_mod; \ fmodulus(bxy2, wh, bxy2_mod); \ if (bxy2_mod == 0) \ bxy2_mod = wh; \ txy = (bxy2_mod - cd) + bxy2 - bxy1; \ } else {assert(0); txy = 0;} \ } while(0) #define _glamor_repeat_reflect_fixup(txy, xy, cd, odd, \ wh, bxy1, bxy2) \ do { \ if (odd) { \ __glamor_repeat_reflect_fixup(txy, xy, \ cd, wh, bxy1, bxy2); \ } else \ txy = xy - bxy1; \ } while(0) #define _glamor_get_reflect_transform_coords(pixmap, priv, repeat_type, \ tx1, ty1, \ _x1_, _y1_) \ do { \ int odd_x, odd_y; \ float c, d; \ fodd_repeat_mod(_x1_,priv->box.x2, \ (pixmap)->drawable.width, \ odd_x, c); \ fodd_repeat_mod(_y1_, priv->box.y2, \ (pixmap)->drawable.height, \ odd_y, d); \ DEBUGF("c %f d %f oddx %d oddy %d \n", \ c, d, odd_x, odd_y); \ DEBUGF("x2 %d x1 %d fbo->width %d \n", priv->box.x2, \ priv->box.x1, priv->fbo->width); \ DEBUGF("y2 %d y1 %d fbo->height %d \n", priv->box.y2, \ priv->box.y1, priv->fbo->height); \ _glamor_repeat_reflect_fixup(tx1, _x1_, c, odd_x, \ (pixmap)->drawable.width, \ priv->box.x1, priv->box.x2); \ _glamor_repeat_reflect_fixup(ty1, _y1_, d, odd_y, \ (pixmap)->drawable.height, \ priv->box.y1, priv->box.y2); \ } while(0) #define _glamor_get_repeat_coords(pixmap, priv, repeat_type, tx1, \ ty1, tx2, ty2, \ _x1_, _y1_, _x2_, \ _y2_, c, d, odd_x, odd_y) \ do { \ if (repeat_type == RepeatReflect) { \ DEBUGF("x1 y1 %d %d\n", \ _x1_, _y1_ ); \ DEBUGF("width %d box.x1 %d \n", \ (pixmap)->drawable.width, \ priv->box.x1); \ if (odd_x) { \ c = (pixmap)->drawable.width \ - c; \ tx1 = c - priv->box.x1; \ tx2 = tx1 - ((_x2_) - (_x1_)); \ } else { \ tx1 = c - priv->box.x1; \ tx2 = tx1 + ((_x2_) - (_x1_)); \ } \ if (odd_y){ \ d = (pixmap)->drawable.height\ - d; \ ty1 = d - priv->box.y1; \ ty2 = ty1 - ((_y2_) - (_y1_)); \ } else { \ ty1 = d - priv->box.y1; \ ty2 = ty1 + ((_y2_) - (_y1_)); \ } \ } else { /* RepeatNormal*/ \ tx1 = (c - priv->box.x1); \ ty1 = (d - priv->box.y1); \ tx2 = tx1 + ((_x2_) - (_x1_)); \ ty2 = ty1 + ((_y2_) - (_y1_)); \ } \ } while(0) /* _x1_ ... _y2_ may has fractional. */ #define glamor_get_repeat_transform_coords(pixmap, priv, repeat_type, tx1, \ ty1, _x1_, _y1_) \ do { \ DEBUGF("width %d box.x1 %d x2 %d y1 %d y2 %d\n", \ (pixmap)->drawable.width, \ priv->box.x1, priv->box.x2, priv->box.y1, \ priv->box.y2); \ DEBUGF("x1 %f y1 %f \n", _x1_, _y1_); \ if (repeat_type != RepeatReflect) { \ tx1 = _x1_ - priv->box.x1; \ ty1 = _y1_ - priv->box.y1; \ } else \ _glamor_get_reflect_transform_coords(pixmap, priv, repeat_type, \ tx1, ty1, \ _x1_, _y1_); \ DEBUGF("tx1 %f ty1 %f \n", tx1, ty1); \ } while(0) /* _x1_ ... _y2_ must be integer. */ #define glamor_get_repeat_coords(pixmap, priv, repeat_type, tx1, \ ty1, tx2, ty2, _x1_, _y1_, _x2_, \ _y2_) \ do { \ int c, d; \ int odd_x = 0, odd_y = 0; \ DEBUGF("width %d box.x1 %d x2 %d y1 %d y2 %d\n", \ (pixmap)->drawable.width, \ priv->box.x1, priv->box.x2, \ priv->box.y1, priv->box.y2); \ modulus((_x1_), (pixmap)->drawable.width, c); \ modulus((_y1_), (pixmap)->drawable.height, d); \ DEBUGF("c %d d %d \n", c, d); \ if (repeat_type == RepeatReflect) { \ odd_x = abs((_x1_ - c) \ / ((pixmap)->drawable.width)) & 1; \ odd_y = abs((_y1_ - d) \ / ((pixmap)->drawable.height)) & 1; \ } \ _glamor_get_repeat_coords(pixmap, priv, repeat_type, tx1, ty1, tx2, ty2, \ _x1_, _y1_, _x2_, _y2_, c, d, \ odd_x, odd_y); \ } while(0) #define glamor_transform_point(matrix, tx, ty, x, y) \ do { \ int _i_; \ float _result_[4]; \ for (_i_ = 0; _i_ < 3; _i_++) { \ _result_[_i_] = (matrix)[_i_ * 3] * (x) + (matrix)[_i_ * 3 + 1] * (y) \ + (matrix)[_i_ * 3 + 2]; \ } \ tx = _result_[0] / _result_[2]; \ ty = _result_[1] / _result_[2]; \ } while(0) #define _glamor_set_normalize_tpoint(xscale, yscale, _tx_, _ty_, \ texcoord) \ do { \ (texcoord)[0] = t_from_x_coord_x(xscale, _tx_); \ (texcoord)[1] = t_from_x_coord_y(yscale, _ty_); \ DEBUGF("normalized point tx %f ty %f \n", (texcoord)[0], \ (texcoord)[1]); \ } while(0) #define glamor_set_transformed_point(priv, matrix, xscale, \ yscale, texcoord, \ x, y) \ do { \ float tx, ty; \ int fbo_x_off, fbo_y_off; \ pixmap_priv_get_fbo_off(priv, &fbo_x_off, &fbo_y_off); \ glamor_transform_point(matrix, tx, ty, x, y); \ DEBUGF("tx %f ty %f fbooff %d %d \n", \ tx, ty, fbo_x_off, fbo_y_off); \ \ tx += fbo_x_off; \ ty += fbo_y_off; \ (texcoord)[0] = t_from_x_coord_x(xscale, tx); \ (texcoord)[1] = t_from_x_coord_y(yscale, ty); \ DEBUGF("normalized tx %f ty %f \n", (texcoord)[0], (texcoord)[1]); \ } while(0) #define glamor_set_transformed_normalize_tcoords_ext( priv, \ matrix, \ xscale, \ yscale, \ tx1, ty1, tx2, ty2, \ texcoords, \ stride) \ do { \ glamor_set_transformed_point(priv, matrix, xscale, yscale, \ texcoords, tx1, ty1); \ glamor_set_transformed_point(priv, matrix, xscale, yscale, \ texcoords + 1 * stride, tx2, ty1); \ glamor_set_transformed_point(priv, matrix, xscale, yscale, \ texcoords + 2 * stride, tx2, ty2); \ glamor_set_transformed_point(priv, matrix, xscale, yscale, \ texcoords + 3 * stride, tx1, ty2); \ } while (0) #define glamor_set_repeat_transformed_normalize_tcoords_ext(pixmap, priv, \ repeat_type, \ matrix, \ xscale, \ yscale, \ _x1_, _y1_, \ _x2_, _y2_, \ texcoords, \ stride) \ do { \ if (_X_LIKELY(glamor_pixmap_priv_is_small(priv))) { \ glamor_set_transformed_normalize_tcoords_ext(priv, matrix, xscale, \ yscale, _x1_, _y1_, \ _x2_, _y2_, \ texcoords, stride); \ } else { \ float tx1, ty1, tx2, ty2, tx3, ty3, tx4, ty4; \ float ttx1, tty1, ttx2, tty2, ttx3, tty3, ttx4, tty4; \ DEBUGF("original coords %d %d %d %d\n", _x1_, _y1_, _x2_, _y2_); \ glamor_transform_point(matrix, tx1, ty1, _x1_, _y1_); \ glamor_transform_point(matrix, tx2, ty2, _x2_, _y1_); \ glamor_transform_point(matrix, tx3, ty3, _x2_, _y2_); \ glamor_transform_point(matrix, tx4, ty4, _x1_, _y2_); \ DEBUGF("transformed %f %f %f %f %f %f %f %f\n", \ tx1, ty1, tx2, ty2, tx3, ty3, tx4, ty4); \ glamor_get_repeat_transform_coords(pixmap, priv, repeat_type, \ ttx1, tty1, \ tx1, ty1); \ glamor_get_repeat_transform_coords(pixmap, priv, repeat_type, \ ttx2, tty2, \ tx2, ty2); \ glamor_get_repeat_transform_coords(pixmap, priv, repeat_type, \ ttx3, tty3, \ tx3, ty3); \ glamor_get_repeat_transform_coords(pixmap, priv, repeat_type, \ ttx4, tty4, \ tx4, ty4); \ DEBUGF("repeat transformed %f %f %f %f %f %f %f %f\n", ttx1, tty1, \ ttx2, tty2, ttx3, tty3, ttx4, tty4); \ _glamor_set_normalize_tpoint(xscale, yscale, ttx1, tty1, \ texcoords); \ _glamor_set_normalize_tpoint(xscale, yscale, ttx2, tty2, \ texcoords + 1 * stride); \ _glamor_set_normalize_tpoint(xscale, yscale, ttx3, tty3, \ texcoords + 2 * stride); \ _glamor_set_normalize_tpoint(xscale, yscale, ttx4, tty4, \ texcoords + 3 * stride); \ } \ } while (0) #define glamor_set_repeat_transformed_normalize_tcoords( pixmap, \ priv, \ repeat_type, \ matrix, \ xscale, \ yscale, \ _x1_, _y1_, \ _x2_, _y2_, \ texcoords) \ do { \ glamor_set_repeat_transformed_normalize_tcoords_ext( pixmap, \ priv, \ repeat_type, \ matrix, \ xscale, \ yscale, \ _x1_, _y1_, \ _x2_, _y2_, \ texcoords, \ 2); \ } while (0) #define _glamor_set_normalize_tcoords(xscale, yscale, tx1, \ ty1, tx2, ty2, \ vertices, stride) \ do { \ /* vertices may be write-only, so we use following \ * temporary variable. */ \ float _t0_, _t1_, _t2_, _t5_; \ (vertices)[0] = _t0_ = t_from_x_coord_x(xscale, tx1); \ (vertices)[1 * stride] = _t2_ = t_from_x_coord_x(xscale, tx2); \ (vertices)[2 * stride] = _t2_; \ (vertices)[3 * stride] = _t0_; \ (vertices)[1] = _t1_ = t_from_x_coord_y(yscale, ty1); \ (vertices)[2 * stride + 1] = _t5_ = t_from_x_coord_y(yscale, ty2); \ (vertices)[1 * stride + 1] = _t1_; \ (vertices)[3 * stride + 1] = _t5_; \ } while(0) #define glamor_set_normalize_tcoords_ext(priv, xscale, yscale, \ x1, y1, x2, y2, \ vertices, stride) \ do { \ if (_X_UNLIKELY(glamor_pixmap_priv_is_large(priv))) { \ float tx1, tx2, ty1, ty2; \ int fbo_x_off, fbo_y_off; \ pixmap_priv_get_fbo_off(priv, &fbo_x_off, &fbo_y_off); \ tx1 = x1 + fbo_x_off; \ tx2 = x2 + fbo_x_off; \ ty1 = y1 + fbo_y_off; \ ty2 = y2 + fbo_y_off; \ _glamor_set_normalize_tcoords(xscale, yscale, tx1, ty1, \ tx2, ty2, vertices, \ stride); \ } else \ _glamor_set_normalize_tcoords(xscale, yscale, x1, y1, \ x2, y2, vertices, stride); \ } while(0) #define glamor_set_repeat_normalize_tcoords_ext(pixmap, priv, repeat_type, \ xscale, yscale, \ _x1_, _y1_, _x2_, _y2_, \ vertices, stride) \ do { \ if (_X_UNLIKELY(glamor_pixmap_priv_is_large(priv))) { \ float tx1, tx2, ty1, ty2; \ if (repeat_type == RepeatPad) { \ tx1 = _x1_ - priv->box.x1; \ ty1 = _y1_ - priv->box.y1; \ tx2 = tx1 + ((_x2_) - (_x1_)); \ ty2 = ty1 + ((_y2_) - (_y1_)); \ } else { \ glamor_get_repeat_coords(pixmap, priv, repeat_type, \ tx1, ty1, tx2, ty2, \ _x1_, _y1_, _x2_, _y2_); \ } \ _glamor_set_normalize_tcoords(xscale, yscale, tx1, ty1, \ tx2, ty2, vertices, \ stride); \ } else \ _glamor_set_normalize_tcoords(xscale, yscale, _x1_, _y1_, \ _x2_, _y2_, vertices, \ stride); \ } while(0) #define glamor_set_normalize_tcoords_tri_stripe(xscale, yscale, \ x1, y1, x2, y2, \ vertices) \ do { \ (vertices)[0] = t_from_x_coord_x(xscale, x1); \ (vertices)[2] = t_from_x_coord_x(xscale, x2); \ (vertices)[6] = (vertices)[2]; \ (vertices)[4] = (vertices)[0]; \ (vertices)[1] = t_from_x_coord_y(yscale, y1); \ (vertices)[7] = t_from_x_coord_y(yscale, y2); \ (vertices)[3] = (vertices)[1]; \ (vertices)[5] = (vertices)[7]; \ } while(0) #define glamor_set_tcoords_tri_strip(x1, y1, x2, y2, vertices) \ do { \ (vertices)[0] = (x1); \ (vertices)[2] = (x2); \ (vertices)[6] = (vertices)[2]; \ (vertices)[4] = (vertices)[0]; \ (vertices)[1] = (y1); \ (vertices)[7] = (y2); \ (vertices)[3] = (vertices)[1]; \ (vertices)[5] = (vertices)[7]; \ } while(0) #define glamor_set_normalize_vcoords_ext(priv, xscale, yscale, \ x1, y1, x2, y2, \ vertices, stride) \ do { \ int fbo_x_off, fbo_y_off; \ /* vertices may be write-only, so we use following \ * temporary variable. */ \ float _t0_, _t1_, _t2_, _t5_; \ pixmap_priv_get_fbo_off(priv, &fbo_x_off, &fbo_y_off); \ (vertices)[0] = _t0_ = v_from_x_coord_x(xscale, x1 + fbo_x_off); \ (vertices)[1 * stride] = _t2_ = v_from_x_coord_x(xscale, \ x2 + fbo_x_off); \ (vertices)[2 * stride] = _t2_; \ (vertices)[3 * stride] = _t0_; \ (vertices)[1] = _t1_ = v_from_x_coord_y(yscale, y1 + fbo_y_off); \ (vertices)[2 * stride + 1] = _t5_ = \ v_from_x_coord_y(yscale, y2 + fbo_y_off); \ (vertices)[1 * stride + 1] = _t1_; \ (vertices)[3 * stride + 1] = _t5_; \ } while(0) #define glamor_set_normalize_vcoords_tri_strip(xscale, yscale, \ x1, y1, x2, y2, \ vertices) \ do { \ (vertices)[0] = v_from_x_coord_x(xscale, x1); \ (vertices)[2] = v_from_x_coord_x(xscale, x2); \ (vertices)[6] = (vertices)[2]; \ (vertices)[4] = (vertices)[0]; \ (vertices)[1] = v_from_x_coord_y(yscale, y1); \ (vertices)[7] = v_from_x_coord_y(yscale, y2); \ (vertices)[3] = (vertices)[1]; \ (vertices)[5] = (vertices)[7]; \ } while(0) #define glamor_set_normalize_pt(xscale, yscale, x, y, \ pt) \ do { \ (pt)[0] = t_from_x_coord_x(xscale, x); \ (pt)[1] = t_from_x_coord_y(yscale, y); \ } while(0) #define glamor_set_circle_centre(width, height, x, y, \ c) \ do { \ (c)[0] = (float)x; \ (c)[1] = (float)y; \ } while(0) #define ALIGN(i,m) (((i) + (m) - 1) & ~((m) - 1)) #define MIN(a,b) ((a) < (b) ? (a) : (b)) #define MAX(a,b) ((a) > (b) ? (a) : (b)) #define glamor_check_fbo_size(_glamor_,_w_, _h_) ((_w_) > 0 && (_h_) > 0 \ && (_w_) <= _glamor_->max_fbo_size \ && (_h_) <= _glamor_->max_fbo_size) #define GLAMOR_PIXMAP_PRIV_HAS_FBO(pixmap_priv) (pixmap_priv->gl_fbo == GLAMOR_FBO_NORMAL) #define REVERT_NONE 0 #define REVERT_NORMAL 1 #define REVERT_UPLOADING_A1 3 #define SWAP_UPLOADING 2 #define SWAP_NONE_UPLOADING 3 /* borrowed from uxa */ static inline Bool glamor_get_rgba_from_pixel(CARD32 pixel, float *red, float *green, float *blue, float *alpha, CARD32 format) { int rbits, bbits, gbits, abits; int rshift, bshift, gshift, ashift; rbits = PICT_FORMAT_R(format); gbits = PICT_FORMAT_G(format); bbits = PICT_FORMAT_B(format); abits = PICT_FORMAT_A(format); if (PICT_FORMAT_TYPE(format) == PICT_TYPE_A) { rshift = gshift = bshift = ashift = 0; } else if (PICT_FORMAT_TYPE(format) == PICT_TYPE_ARGB) { bshift = 0; gshift = bbits; rshift = gshift + gbits; ashift = rshift + rbits; } else if (PICT_FORMAT_TYPE(format) == PICT_TYPE_ABGR) { rshift = 0; gshift = rbits; bshift = gshift + gbits; ashift = bshift + bbits; } else if (PICT_FORMAT_TYPE(format) == PICT_TYPE_BGRA) { ashift = 0; rshift = abits; if (abits == 0) rshift = PICT_FORMAT_BPP(format) - (rbits + gbits + bbits); gshift = rshift + rbits; bshift = gshift + gbits; } else { return FALSE; } #define COLOR_INT_TO_FLOAT(_fc_, _p_, _s_, _bits_) \ *_fc_ = (((_p_) >> (_s_)) & (( 1 << (_bits_)) - 1)) \ / (float)((1<<(_bits_)) - 1) if (rbits) COLOR_INT_TO_FLOAT(red, pixel, rshift, rbits); else *red = 0; if (gbits) COLOR_INT_TO_FLOAT(green, pixel, gshift, gbits); else *green = 0; if (bbits) COLOR_INT_TO_FLOAT(blue, pixel, bshift, bbits); else *blue = 0; if (abits) COLOR_INT_TO_FLOAT(alpha, pixel, ashift, abits); else *alpha = 1; return TRUE; } static inline void glamor_get_rgba_from_color(const xRenderColor *color, float rgba[4]) { rgba[0] = color->red / (float)UINT16_MAX; rgba[1] = color->green / (float)UINT16_MAX; rgba[2] = color->blue / (float)UINT16_MAX; rgba[3] = color->alpha / (float)UINT16_MAX; } inline static Bool glamor_is_large_pixmap(PixmapPtr pixmap) { glamor_pixmap_private *priv; priv = glamor_get_pixmap_private(pixmap); return (glamor_pixmap_priv_is_large(priv)); } static inline void glamor_make_current(glamor_screen_private *glamor_priv) { if (lastGLContext != glamor_priv->ctx.ctx) { lastGLContext = glamor_priv->ctx.ctx; glamor_priv->ctx.make_current(&glamor_priv->ctx); } } static inline BoxRec glamor_no_rendering_bounds(void) { BoxRec bounds = { .x1 = 0, .y1 = 0, .x2 = MAXSHORT, .y2 = MAXSHORT, }; return bounds; } static inline BoxRec glamor_start_rendering_bounds(void) { BoxRec bounds = { .x1 = MAXSHORT, .y1 = MAXSHORT, .x2 = 0, .y2 = 0, }; return bounds; } static inline void glamor_bounds_union_rect(BoxPtr bounds, xRectangle *rect) { bounds->x1 = min(bounds->x1, rect->x); bounds->y1 = min(bounds->y1, rect->y); bounds->x2 = min(SHRT_MAX, max(bounds->x2, rect->x + rect->width)); bounds->y2 = min(SHRT_MAX, max(bounds->y2, rect->y + rect->height)); } static inline void glamor_bounds_union_box(BoxPtr bounds, BoxPtr box) { bounds->x1 = min(bounds->x1, box->x1); bounds->y1 = min(bounds->y1, box->y1); bounds->x2 = max(bounds->x2, box->x2); bounds->y2 = max(bounds->y2, box->y2); } /** * Helper function for implementing draws with GL_QUADS on GLES2, * where we don't have them. */ static inline void glamor_glDrawArrays_GL_QUADS(glamor_screen_private *glamor_priv, unsigned count) { if (glamor_priv->use_quads) { glDrawArrays(GL_QUADS, 0, count * 4); } else { glamor_gldrawarrays_quads_using_indices(glamor_priv, count); } } #endif