/* * 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__ #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 v_from_x_coord_y_inverted(_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_) (1.0 - (_y_) * (_yscale_)) #define t_from_x_coord_y_inverted(_yscale_, _y_) ((_y_) * (_yscale_)) #define pixmap_priv_get_dest_scale(_pixmap_priv_, _pxscale_, _pyscale_) \ do { \ int _w_,_h_; \ PIXMAP_PRIV_GET_ACTUAL_SIZE(_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_)->base.fbo->width; \ *(_pyscale_) = 1.0 / (_pixmap_priv_)->base.fbo->height; \ } while(0) #define GLAMOR_PIXMAP_FBO_NOT_EXACT_SIZE(priv) \ (priv->base.fbo->width != priv->base.pixmap->drawable.width \ || priv->base.fbo->height != priv->base.pixmap->drawable.height) \ #define PIXMAP_PRIV_GET_ACTUAL_SIZE(priv, w, h) \ do { \ if (_X_UNLIKELY(priv->type == GLAMOR_TEXTURE_LARGE)) { \ w = priv->large.box.x2 - priv->large.box.x1; \ h = priv->large.box.y2 - priv->large.box.y1; \ } else { \ w = priv->base.pixmap->drawable.width; \ h = priv->base.pixmap->drawable.height; \ } \ } while(0) #define glamor_pixmap_fbo_fix_wh_ratio(wh, priv) \ do { \ int actual_w, actual_h; \ PIXMAP_PRIV_GET_ACTUAL_SIZE(priv, actual_w, actual_h); \ wh[0] = (float)priv->base.fbo->width / actual_w; \ wh[1] = (float)priv->base.fbo->height / actual_h; \ wh[2] = 1.0 / priv->base.fbo->width; \ wh[3] = 1.0 / priv->base.fbo->height; \ } while(0) #define pixmap_priv_get_fbo_off(_priv_, _xoff_, _yoff_) \ do { \ if (_X_UNLIKELY(_priv_ && (_priv_)->type == GLAMOR_TEXTURE_LARGE)) { \ *(_xoff_) = - (_priv_)->large.box.x1; \ *(_yoff_) = - (_priv_)->large.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(priv, repeat_type, \ tx1, ty1, \ _x1_, _y1_) \ do { \ int odd_x, odd_y; \ float c, d; \ fodd_repeat_mod(_x1_,priv->box.x2, \ priv->base.pixmap->drawable.width, \ odd_x, c); \ fodd_repeat_mod(_y1_, priv->box.y2, \ priv->base.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->base.fbo->width); \ DEBUGF("y2 %d y1 %d fbo->height %d \n", priv->box.y2, \ priv->box.y1, priv->base.fbo->height); \ _glamor_repeat_reflect_fixup(tx1, _x1_, c, odd_x, \ priv->base.pixmap->drawable.width, \ priv->box.x1, priv->box.x2); \ _glamor_repeat_reflect_fixup(ty1, _y1_, d, odd_y, \ priv->base.pixmap->drawable.height, \ priv->box.y1, priv->box.y2); \ } while(0) #define _glamor_get_repeat_coords(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", \ (priv)->base.pixmap->drawable.width, \ priv->box.x1); \ if (odd_x) { \ c = (priv)->base.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 = (priv)->base.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(priv, repeat_type, tx1, \ ty1, _x1_, _y1_) \ do { \ DEBUGF("width %d box.x1 %d x2 %d y1 %d y2 %d\n", \ (priv)->base.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(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(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", \ (priv)->base.pixmap->drawable.width, \ priv->box.x1, priv->box.x2, \ priv->box.y1, priv->box.y2); \ modulus((_x1_), (priv)->base.pixmap->drawable.width, c); \ modulus((_y1_), (priv)->base.pixmap->drawable.height, d); \ DEBUGF("c %d d %d \n", c, d); \ if (repeat_type == RepeatReflect) { \ odd_x = abs((_x1_ - c) \ / (priv->base.pixmap->drawable.width)) & 1; \ odd_y = abs((_y1_ - d) \ / (priv->base.pixmap->drawable.height)) & 1; \ } \ _glamor_get_repeat_coords(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, yInverted) \ do { \ (texcoord)[0] = t_from_x_coord_x(xscale, _tx_); \ if (_X_LIKELY(yInverted)) \ (texcoord)[1] = t_from_x_coord_y_inverted(yscale, _ty_);\ else \ (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, \ yInverted) \ 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); \ if (_X_LIKELY(yInverted)) \ (texcoord)[1] = t_from_x_coord_y_inverted(yscale, ty); \ else \ (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_tri_tcoords(priv, \ matrix, \ xscale, \ yscale, \ vtx, \ yInverted, \ texcoords) \ do { \ glamor_set_transformed_point(priv, matrix, xscale, yscale, \ texcoords, (vtx)[0], (vtx)[1], \ yInverted); \ glamor_set_transformed_point(priv, matrix, xscale, yscale, \ texcoords+2, (vtx)[2], (vtx)[3], \ yInverted); \ glamor_set_transformed_point(priv, matrix, xscale, yscale, \ texcoords+4, (vtx)[4], (vtx)[5], \ yInverted); \ } while (0) #define glamor_set_transformed_normalize_tcoords_ext( priv, \ matrix, \ xscale, \ yscale, \ tx1, ty1, tx2, ty2, \ yInverted, texcoords, \ stride) \ do { \ glamor_set_transformed_point(priv, matrix, xscale, yscale, \ texcoords, tx1, ty1, \ yInverted); \ glamor_set_transformed_point(priv, matrix, xscale, yscale, \ texcoords + 1 * stride, tx2, ty1, \ yInverted); \ glamor_set_transformed_point(priv, matrix, xscale, yscale, \ texcoords + 2 * stride, tx2, ty2, \ yInverted); \ glamor_set_transformed_point(priv, matrix, xscale, yscale, \ texcoords + 3 * stride, tx1, ty2, \ yInverted); \ } while (0) #define glamor_set_transformed_normalize_tcoords( priv, \ matrix, \ xscale, \ yscale, \ tx1, ty1, tx2, ty2, \ yInverted, texcoords) \ do { \ glamor_set_transformed_normalize_tcoords_ext( priv, \ matrix, \ xscale, \ yscale, \ tx1, ty1, tx2, ty2, \ yInverted, texcoords, \ 2); \ } while (0) #define glamor_set_normalize_tri_tcoords(xscale, \ yscale, \ vtx, \ yInverted, \ texcoords) \ do { \ _glamor_set_normalize_tpoint(xscale, yscale, \ (vtx)[0], (vtx)[1], \ texcoords, \ yInverted); \ _glamor_set_normalize_tpoint(xscale, yscale, \ (vtx)[2], (vtx)[3], \ texcoords+2, \ yInverted); \ _glamor_set_normalize_tpoint(xscale, yscale, \ (vtx)[4], (vtx)[5], \ texcoords+4, \ yInverted); \ } while (0) #define glamor_set_repeat_transformed_normalize_tcoords_ext( priv, \ repeat_type, \ matrix, \ xscale, \ yscale, \ _x1_, _y1_, \ _x2_, _y2_, \ yInverted, \ texcoords, \ stride) \ do { \ if (_X_LIKELY(priv->type != GLAMOR_TEXTURE_LARGE)) { \ glamor_set_transformed_normalize_tcoords_ext(priv, matrix, xscale, \ yscale, _x1_, _y1_, \ _x2_, _y2_, yInverted, \ 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((&priv->large), repeat_type, \ ttx1, tty1, \ tx1, ty1); \ glamor_get_repeat_transform_coords((&priv->large), repeat_type, \ ttx2, tty2, \ tx2, ty2); \ glamor_get_repeat_transform_coords((&priv->large), repeat_type, \ ttx3, tty3, \ tx3, ty3); \ glamor_get_repeat_transform_coords((&priv->large), 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, yInverted); \ _glamor_set_normalize_tpoint(xscale, yscale, ttx2, tty2, \ texcoords + 1 * stride, yInverted); \ _glamor_set_normalize_tpoint(xscale, yscale, ttx3, tty3, \ texcoords + 2 * stride, yInverted); \ _glamor_set_normalize_tpoint(xscale, yscale, ttx4, tty4, \ texcoords + 3 * stride, yInverted); \ } \ } while (0) #define glamor_set_repeat_transformed_normalize_tcoords( priv, \ repeat_type, \ matrix, \ xscale, \ yscale, \ _x1_, _y1_, \ _x2_, _y2_, \ yInverted, \ texcoords) \ do { \ glamor_set_repeat_transformed_normalize_tcoords_ext( priv, \ repeat_type, \ matrix, \ xscale, \ yscale, \ _x1_, _y1_, \ _x2_, _y2_, \ yInverted, \ texcoords, \ 2); \ } while (0) #define _glamor_set_normalize_tcoords(xscale, yscale, tx1, \ ty1, tx2, ty2, \ yInverted, 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_; \ if (_X_LIKELY(yInverted)) { \ (vertices)[1] = _t1_ = t_from_x_coord_y_inverted(yscale, ty1); \ (vertices)[2 * stride + 1] = _t5_ = t_from_x_coord_y_inverted(yscale, ty2);\ } \ else { \ (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, \ yInverted, vertices, stride) \ do { \ if (_X_UNLIKELY(priv->type == GLAMOR_TEXTURE_LARGE)) { \ 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, yInverted, vertices, \ stride); \ } else \ _glamor_set_normalize_tcoords(xscale, yscale, x1, y1, \ x2, y2, yInverted, vertices, stride);\ } while(0) #define glamor_set_normalize_tcoords(priv, xscale, yscale, \ x1, y1, x2, y2, \ yInverted, vertices) \ do { \ glamor_set_normalize_tcoords_ext(priv, xscale, yscale, \ x1, y1, x2, y2, \ yInverted, vertices, 2); \ } while(0) #define glamor_set_repeat_normalize_tcoords_ext(priv, repeat_type, \ xscale, yscale, \ _x1_, _y1_, _x2_, _y2_, \ yInverted, vertices, stride)\ do { \ if (_X_UNLIKELY(priv->type == GLAMOR_TEXTURE_LARGE)) { \ float tx1, tx2, ty1, ty2; \ if (repeat_type == RepeatPad) { \ tx1 = _x1_ - priv->large.box.x1; \ ty1 = _y1_ - priv->large.box.y1; \ tx2 = tx1 + ((_x2_) - (_x1_)); \ ty2 = ty1 + ((_y2_) - (_y1_)); \ } else { \ glamor_get_repeat_coords((&priv->large), repeat_type, \ tx1, ty1, tx2, ty2, \ _x1_, _y1_, _x2_, _y2_); \ } \ _glamor_set_normalize_tcoords(xscale, yscale, tx1, ty1, \ tx2, ty2, yInverted, vertices, \ stride); \ } else \ _glamor_set_normalize_tcoords(xscale, yscale, _x1_, _y1_, \ _x2_, _y2_, yInverted, vertices, \ stride); \ } while(0) #define glamor_set_repeat_normalize_tcoords(priv, repeat_type, \ xscale, yscale, \ _x1_, _y1_, _x2_, _y2_, \ yInverted, vertices) \ do { \ glamor_set_repeat_normalize_tcoords_ext(priv, repeat_type, \ xscale, yscale, \ _x1_, _y1_, _x2_, _y2_, \ yInverted, vertices, 2); \ } while(0) #define glamor_set_normalize_tcoords_tri_stripe(xscale, yscale, \ x1, y1, x2, y2, \ yInverted, 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]; \ if (_X_LIKELY(yInverted)) { \ (vertices)[1] = t_from_x_coord_y_inverted(yscale, y1); \ (vertices)[7] = t_from_x_coord_y_inverted(yscale, y2); \ } \ else { \ (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(width, height, x1, y1, x2, y2, \ yInverted, vertices) \ do { \ (vertices)[0] = (x1); \ (vertices)[2] = (x2); \ (vertices)[4] = (vertices)[2]; \ (vertices)[6] = (vertices)[0]; \ if (_X_LIKELY(yInverted)) { \ (vertices)[1] = (y1); \ (vertices)[5] = (y2); \ } \ else { \ (vertices)[1] = height - (y2); \ (vertices)[5] = height - (y1); \ } \ (vertices)[3] = (vertices)[1]; \ (vertices)[7] = (vertices)[5]; \ } while(0) #define glamor_set_tcoords_ext(width, height, x1, y1, x2, y2, \ yInverted, vertices, stride) \ do { \ (vertices)[0] = (x1); \ (vertices)[1*stride] = (x2); \ (vertices)[2*stride] = (vertices)[1*stride]; \ (vertices)[3*stride] = (vertices)[0]; \ if (_X_LIKELY(yInverted)) { \ (vertices)[1] = (y1); \ (vertices)[2*stride + 1] = (y2); \ } \ else { \ (vertices)[1] = height - (y2); \ (vertices)[2*stride + 1] = height - (y1); \ } \ (vertices)[1*stride + 1] = (vertices)[1]; \ (vertices)[3*stride + 1] = (vertices)[2*stride + 1]; \ } while(0) #define glamor_set_normalize_one_vcoord(xscale, yscale, x, y, \ yInverted, vertices) \ do { \ (vertices)[0] = v_from_x_coord_x(xscale, x); \ if (_X_LIKELY(yInverted)) { \ (vertices)[1] = v_from_x_coord_y_inverted(yscale, y); \ } else { \ (vertices)[1] = v_from_x_coord_y(yscale, y); \ } \ } while(0) #define glamor_set_normalize_tri_vcoords(xscale, yscale, vtx, \ yInverted, vertices) \ do { \ glamor_set_normalize_one_vcoord(xscale, yscale, \ (vtx)[0], (vtx)[1], \ yInverted, vertices); \ glamor_set_normalize_one_vcoord(xscale, yscale, \ (vtx)[2], (vtx)[3], \ yInverted, vertices+2); \ glamor_set_normalize_one_vcoord(xscale, yscale, \ (vtx)[4], (vtx)[5], \ yInverted, vertices+4); \ } while(0) #define glamor_set_tcoords_tri_strip(width, height, x1, y1, x2, y2, \ yInverted, vertices) \ do { \ (vertices)[0] = (x1); \ (vertices)[2] = (x2); \ (vertices)[6] = (vertices)[2]; \ (vertices)[4] = (vertices)[0]; \ if (_X_LIKELY(yInverted)) { \ (vertices)[1] = (y1); \ (vertices)[7] = (y2); \ } \ else { \ (vertices)[1] = height - (y2); \ (vertices)[7] = height - (y1); \ } \ (vertices)[3] = (vertices)[1]; \ (vertices)[5] = (vertices)[7]; \ } while(0) #define glamor_set_normalize_vcoords_ext(priv, xscale, yscale, \ x1, y1, x2, y2, \ yInverted, 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_; \ if (_X_LIKELY(yInverted)) { \ (vertices)[1] = _t1_ = v_from_x_coord_y_inverted(yscale, \ y1 + fbo_y_off); \ (vertices)[2 * stride + 1] = _t5_ = \ v_from_x_coord_y_inverted(yscale, \ y2 + fbo_y_off); \ } \ else { \ (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(priv, xscale, yscale, \ x1, y1, x2, y2, \ yInverted, vertices) \ do { \ glamor_set_normalize_vcoords_ext(priv, xscale, yscale, \ x1, y1, x2, y2, \ yInverted, vertices, 2); \ } while(0) #define glamor_set_const_ext(params, nparam, vertices, nverts, stride) \ do { \ int _i_ = 0, _j_ = 0; \ for(; _i_ < nverts; _i_++) { \ for(_j_ = 0; _j_ < nparam; _j_++) { \ vertices[stride*_i_ + _j_] = params[_j_]; \ } \ } \ } while(0) #define glamor_set_normalize_vcoords_tri_strip(xscale, yscale, \ x1, y1, x2, y2, \ yInverted, 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]; \ if (_X_LIKELY(yInverted)) { \ (vertices)[1] = v_from_x_coord_y_inverted(yscale, y1); \ (vertices)[7] = v_from_x_coord_y_inverted(yscale, y2); \ } \ else { \ (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, \ yInverted, pt) \ do { \ (pt)[0] = t_from_x_coord_x(xscale, x); \ if (_X_LIKELY(yInverted)) { \ (pt)[1] = t_from_x_coord_y_inverted(yscale, y); \ } else { \ (pt)[1] = t_from_x_coord_y(yscale, y); \ } \ } while(0) #define glamor_set_circle_centre(width, height, x, y, \ yInverted, c) \ do { \ (c)[0] = (float)x; \ if (_X_LIKELY(yInverted)) { \ (c)[1] = (float)y; \ } else { \ (c)[1] = (float)height - (float)y; \ } \ } while(0) inline static void glamor_calculate_boxes_bound(BoxPtr bound, BoxPtr boxes, int nbox) { int x_min, y_min; int x_max, y_max; int i; x_min = y_min = MAXSHORT; x_max = y_max = MINSHORT; for (i = 0; i < nbox; i++) { if (x_min > boxes[i].x1) x_min = boxes[i].x1; if (y_min > boxes[i].y1) y_min = boxes[i].y1; if (x_max < boxes[i].x2) x_max = boxes[i].x2; if (y_max < boxes[i].y2) y_max = boxes[i].y2; } bound->x1 = x_min; bound->y1 = y_min; bound->x2 = x_max; bound->y2 = y_max; } inline static void glamor_translate_boxes(BoxPtr boxes, int nbox, int dx, int dy) { int i; for (i = 0; i < nbox; i++) { boxes[i].x1 += dx; boxes[i].y1 += dy; boxes[i].x2 += dx; boxes[i].y2 += dy; } } #ifndef ARRAY_SIZE #define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0])) #endif #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) /* For 1bpp pixmap, we don't store it as texture. */ #define glamor_check_pixmap_fbo_depth(_depth_) ( \ _depth_ == 8 \ || _depth_ == 15 \ || _depth_ == 16 \ || _depth_ == 24 \ || _depth_ == 30 \ || _depth_ == 32) #define GLAMOR_PIXMAP_PRIV_IS_PICTURE(pixmap_priv) (pixmap_priv && pixmap_priv->base.is_picture == 1) #define GLAMOR_PIXMAP_PRIV_HAS_FBO(pixmap_priv) (pixmap_priv && pixmap_priv->base.gl_fbo == GLAMOR_FBO_NORMAL) #define GLAMOR_PIXMAP_PRIV_HAS_FBO_DOWNLOADED(pixmap_priv) (pixmap_priv && (pixmap_priv->base.gl_fbo == GLAMOR_FBO_DOWNLOADED)) /** * Borrow from uxa. */ static inline CARD32 format_for_depth(int depth) { switch (depth) { case 1: return PICT_a1; case 4: return PICT_a4; case 8: return PICT_a8; case 15: return PICT_x1r5g5b5; case 16: return PICT_r5g6b5; default: case 24: return PICT_x8r8g8b8; #if XORG_VERSION_CURRENT >= 10699900 case 30: return PICT_x2r10g10b10; #endif case 32: return PICT_a8r8g8b8; } } static inline GLenum gl_iformat_for_pixmap(PixmapPtr pixmap) { glamor_screen_private *glamor_priv = glamor_get_screen_private(pixmap->drawable.pScreen); if (glamor_priv->gl_flavor == GLAMOR_GL_DESKTOP && (pixmap->drawable.depth == 1 || pixmap->drawable.depth == 8)) { return GL_ALPHA; } else { return GL_RGBA; } } static inline CARD32 format_for_pixmap(PixmapPtr pixmap) { glamor_pixmap_private *pixmap_priv; PictFormatShort pict_format; pixmap_priv = glamor_get_pixmap_private(pixmap); if (GLAMOR_PIXMAP_PRIV_IS_PICTURE(pixmap_priv)) pict_format = pixmap_priv->base.picture->format; else pict_format = format_for_depth(pixmap->drawable.depth); return pict_format; } #define REVERT_NONE 0 #define REVERT_NORMAL 1 #define REVERT_DOWNLOADING_A1 2 #define REVERT_UPLOADING_A1 3 #define REVERT_DOWNLOADING_2_10_10_10 4 #define REVERT_UPLOADING_2_10_10_10 5 #define REVERT_DOWNLOADING_1_5_5_5 7 #define REVERT_UPLOADING_1_5_5_5 8 #define REVERT_DOWNLOADING_10_10_10_2 9 #define REVERT_UPLOADING_10_10_10_2 10 #define SWAP_NONE_DOWNLOADING 0 #define SWAP_DOWNLOADING 1 #define SWAP_UPLOADING 2 #define SWAP_NONE_UPLOADING 3 inline static int cache_format(GLenum format) { switch (format) { case GL_ALPHA: return 2; case GL_RGB: return 1; case GL_RGBA: return 0; default: return -1; } } /* 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; #if XORG_VERSION_CURRENT >= 10699900 } 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; #endif } 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; } inline static Bool glamor_pict_format_is_compatible(PicturePtr picture) { GLenum iformat; PixmapPtr pixmap = glamor_get_drawable_pixmap(picture->pDrawable); iformat = gl_iformat_for_pixmap(pixmap); switch (iformat) { case GL_RGBA: return (picture->format == PICT_a8r8g8b8 || picture->format == PICT_x8r8g8b8); case GL_ALPHA: return (picture->format == PICT_a8); default: return FALSE; } } /* return TRUE if we can access this pixmap at DDX driver. */ inline static Bool glamor_ddx_fallback_check_pixmap(DrawablePtr drawable) { PixmapPtr pixmap = glamor_get_drawable_pixmap(drawable); glamor_pixmap_private *pixmap_priv = glamor_get_pixmap_private(pixmap); return (!pixmap_priv || (pixmap_priv->type == GLAMOR_TEXTURE_DRM || pixmap_priv->type == GLAMOR_MEMORY || pixmap_priv->type == GLAMOR_DRM_ONLY)); } inline static Bool glamor_ddx_fallback_check_gc(GCPtr gc) { PixmapPtr pixmap; if (!gc) return TRUE; switch (gc->fillStyle) { case FillStippled: case FillOpaqueStippled: pixmap = gc->stipple; break; case FillTiled: pixmap = gc->tile.pixmap; break; default: pixmap = NULL; } return (!pixmap || glamor_ddx_fallback_check_pixmap(&pixmap->drawable)); } inline static Bool glamor_is_large_pixmap(PixmapPtr pixmap) { glamor_pixmap_private *priv; priv = glamor_get_pixmap_private(pixmap); return (priv->type == GLAMOR_TEXTURE_LARGE); } inline static Bool glamor_is_large_picture(PicturePtr picture) { PixmapPtr pixmap; if (picture->pDrawable) { pixmap = glamor_get_drawable_pixmap(picture->pDrawable); return glamor_is_large_pixmap(pixmap); } return FALSE; } inline static Bool glamor_tex_format_is_readable(GLenum format) { return ((format == GL_RGBA || format == GL_RGB || format == GL_ALPHA)); } static inline void _glamor_dump_pixmap_bits(PixmapPtr pixmap, int x, int y, int w, int h) { int i, j; unsigned char *p = pixmap->devPrivate.ptr; int stride = pixmap->devKind; p = p + y * stride + x; for (i = 0; i < h; i++) { ErrorF("line %3d: ", i); for (j = 0; j < w; j++) ErrorF("%2d ", (p[j / 8] & (1 << (j % 8))) >> (j % 8)); p += stride; ErrorF("\n"); } } static inline void _glamor_dump_pixmap_byte(PixmapPtr pixmap, int x, int y, int w, int h) { int i, j; unsigned char *p = pixmap->devPrivate.ptr; int stride = pixmap->devKind; p = p + y * stride + x; for (i = 0; i < h; i++) { ErrorF("line %3d: ", i); for (j = 0; j < w; j++) ErrorF("%2x ", p[j]); p += stride; ErrorF("\n"); } } static inline void _glamor_dump_pixmap_sword(PixmapPtr pixmap, int x, int y, int w, int h) { int i, j; unsigned short *p = pixmap->devPrivate.ptr; int stride = pixmap->devKind / 2; p = p + y * stride + x; for (i = 0; i < h; i++) { ErrorF("line %3d: ", i); for (j = 0; j < w; j++) ErrorF("%2x ", p[j]); p += stride; ErrorF("\n"); } } static inline void _glamor_dump_pixmap_word(PixmapPtr pixmap, int x, int y, int w, int h) { int i, j; unsigned int *p = pixmap->devPrivate.ptr; int stride = pixmap->devKind / 4; p = p + y * stride + x; for (i = 0; i < h; i++) { ErrorF("line %3d: ", i); for (j = 0; j < w; j++) ErrorF("%2x ", p[j]); p += stride; ErrorF("\n"); } } static inline void glamor_dump_pixmap(PixmapPtr pixmap, int x, int y, int w, int h) { w = ((x + w) > pixmap->drawable.width) ? (pixmap->drawable.width - x) : w; h = ((y + h) > pixmap->drawable.height) ? (pixmap->drawable.height - y) : h; glamor_prepare_access(&pixmap->drawable, GLAMOR_ACCESS_RO); switch (pixmap->drawable.depth) { case 8: _glamor_dump_pixmap_byte(pixmap, x, y, w, h); break; case 15: case 16: _glamor_dump_pixmap_sword(pixmap, x, y, w, h); break; case 24: case 32: _glamor_dump_pixmap_word(pixmap, x, y, w, h); break; case 1: _glamor_dump_pixmap_bits(pixmap, x, y, w, h); break; default: ErrorF("dump depth %d, not implemented.\n", pixmap->drawable.depth); } glamor_finish_access(&pixmap->drawable); } static inline void _glamor_compare_pixmaps(PixmapPtr pixmap1, PixmapPtr pixmap2, int x, int y, int w, int h, PictFormatShort short_format, int all, int diffs) { int i, j; unsigned char *p1 = pixmap1->devPrivate.ptr; unsigned char *p2 = pixmap2->devPrivate.ptr; int line_need_printed = 0; int test_code = 0xAABBCCDD; int little_endian = 0; unsigned char *p_test; int bpp = pixmap1->drawable.depth == 8 ? 1 : 4; int stride = pixmap1->devKind; assert(pixmap1->devKind == pixmap2->devKind); ErrorF("stride:%d, width:%d, height:%d\n", stride, w, h); p1 = p1 + y * stride + x; p2 = p2 + y * stride + x; if (all) { for (i = 0; i < h; i++) { ErrorF("line %3d: ", i); for (j = 0; j < stride; j++) { if (j % bpp == 0) ErrorF("[%d]%2x:%2x ", j / bpp, p1[j], p2[j]); else ErrorF("%2x:%2x ", p1[j], p2[j]); } p1 += stride; p2 += stride; ErrorF("\n"); } } else { if (short_format == PICT_a8r8g8b8) { p_test = (unsigned char *) &test_code; little_endian = (*p_test == 0xDD); bpp = 4; for (i = 0; i < h; i++) { line_need_printed = 0; for (j = 0; j < stride; j++) { if (p1[j] != p2[j] && (p1[j] - p2[j] > diffs || p2[j] - p1[j] > diffs)) { if (line_need_printed) { if (little_endian) { switch (j % 4) { case 2: ErrorF("[%d]RED:%2x:%2x ", j / bpp, p1[j], p2[j]); break; case 1: ErrorF("[%d]GREEN:%2x:%2x ", j / bpp, p1[j], p2[j]); break; case 0: ErrorF("[%d]BLUE:%2x:%2x ", j / bpp, p1[j], p2[j]); break; case 3: ErrorF("[%d]Alpha:%2x:%2x ", j / bpp, p1[j], p2[j]); break; } } else { switch (j % 4) { case 1: ErrorF("[%d]RED:%2x:%2x ", j / bpp, p1[j], p2[j]); break; case 2: ErrorF("[%d]GREEN:%2x:%2x ", j / bpp, p1[j], p2[j]); break; case 3: ErrorF("[%d]BLUE:%2x:%2x ", j / bpp, p1[j], p2[j]); break; case 0: ErrorF("[%d]Alpha:%2x:%2x ", j / bpp, p1[j], p2[j]); break; } } } else { line_need_printed = 1; j = -1; ErrorF("line %3d: ", i); continue; } } } p1 += stride; p2 += stride; ErrorF("\n"); } } //more format can be added here. else { // the default format, just print. for (i = 0; i < h; i++) { line_need_printed = 0; for (j = 0; j < stride; j++) { if (p1[j] != p2[j]) { if (line_need_printed) { ErrorF("[%d]%2x:%2x ", j / bpp, p1[j], p2[j]); } else { line_need_printed = 1; j = -1; ErrorF("line %3d: ", i); continue; } } } p1 += stride; p2 += stride; ErrorF("\n"); } } } } static inline void glamor_compare_pixmaps(PixmapPtr pixmap1, PixmapPtr pixmap2, int x, int y, int w, int h, int all, int diffs) { assert(pixmap1->drawable.depth == pixmap2->drawable.depth); if (glamor_prepare_access(&pixmap1->drawable, GLAMOR_ACCESS_RO) && glamor_prepare_access(&pixmap2->drawable, GLAMOR_ACCESS_RO)) { _glamor_compare_pixmaps(pixmap1, pixmap2, x, y, w, h, -1, all, diffs); } glamor_finish_access(&pixmap1->drawable); glamor_finish_access(&pixmap2->drawable); } /* This function is used to compare two pictures. If the picture has no drawable, we use fb functions to generate it. */ static inline void glamor_compare_pictures(ScreenPtr screen, PicturePtr fst_picture, PicturePtr snd_picture, int x_source, int y_source, int width, int height, int all, int diffs) { PixmapPtr fst_pixmap; PixmapPtr snd_pixmap; int fst_generated, snd_generated; int error; int fst_type = -1; int snd_type = -1; // -1 represent has drawable. if (fst_picture->format != snd_picture->format) { ErrorF("Different picture format can not compare!\n"); return; } if (!fst_picture->pDrawable) { fst_type = fst_picture->pSourcePict->type; } if (!snd_picture->pDrawable) { snd_type = snd_picture->pSourcePict->type; } if ((fst_type != -1) && (snd_type != -1) && (fst_type != snd_type)) { ErrorF("Different picture type will never be same!\n"); return; } fst_generated = snd_generated = 0; if (!fst_picture->pDrawable) { PicturePtr pixman_pic; PixmapPtr pixmap = NULL; PictFormatShort format; format = fst_picture->format; pixmap = glamor_create_pixmap(screen, width, height, PIXMAN_FORMAT_DEPTH(format), GLAMOR_CREATE_PIXMAP_CPU); pixman_pic = CreatePicture(0, &pixmap->drawable, PictureMatchFormat(screen, PIXMAN_FORMAT_DEPTH (format), format), 0, 0, serverClient, &error); fbComposite(PictOpSrc, fst_picture, NULL, pixman_pic, x_source, y_source, 0, 0, 0, 0, width, height); glamor_destroy_pixmap(pixmap); fst_picture = pixman_pic; fst_generated = 1; } if (!snd_picture->pDrawable) { PicturePtr pixman_pic; PixmapPtr pixmap = NULL; PictFormatShort format; format = snd_picture->format; pixmap = glamor_create_pixmap(screen, width, height, PIXMAN_FORMAT_DEPTH(format), GLAMOR_CREATE_PIXMAP_CPU); pixman_pic = CreatePicture(0, &pixmap->drawable, PictureMatchFormat(screen, PIXMAN_FORMAT_DEPTH (format), format), 0, 0, serverClient, &error); fbComposite(PictOpSrc, snd_picture, NULL, pixman_pic, x_source, y_source, 0, 0, 0, 0, width, height); glamor_destroy_pixmap(pixmap); snd_picture = pixman_pic; snd_generated = 1; } fst_pixmap = glamor_get_drawable_pixmap(fst_picture->pDrawable); snd_pixmap = glamor_get_drawable_pixmap(snd_picture->pDrawable); if (fst_pixmap->drawable.depth != snd_pixmap->drawable.depth) { if (fst_generated) glamor_destroy_picture(fst_picture); if (snd_generated) glamor_destroy_picture(snd_picture); ErrorF("Different pixmap depth can not compare!\n"); return; } if ((fst_type == SourcePictTypeLinear) || (fst_type == SourcePictTypeRadial) || (fst_type == SourcePictTypeConical) || (snd_type == SourcePictTypeLinear) || (snd_type == SourcePictTypeRadial) || (snd_type == SourcePictTypeConical)) { x_source = y_source = 0; } if (glamor_prepare_access(&fst_pixmap->drawable, GLAMOR_ACCESS_RO) && glamor_prepare_access(&snd_pixmap->drawable, GLAMOR_ACCESS_RO)) { _glamor_compare_pixmaps(fst_pixmap, snd_pixmap, x_source, y_source, width, height, fst_picture->format, all, diffs); } glamor_finish_access(&fst_pixmap->drawable); glamor_finish_access(&snd_pixmap->drawable); if (fst_generated) glamor_destroy_picture(fst_picture); if (snd_generated) glamor_destroy_picture(snd_picture); return; } #ifdef __i386__ static inline unsigned long __fls(unsigned long x) { asm("bsr %1,%0":"=r"(x) : "rm"(x)); return x; } #else static inline unsigned long __fls(unsigned long x) { int n; if (x == 0) return (0); n = 0; if (x <= 0x0000FFFF) { n = n + 16; x = x << 16; } if (x <= 0x00FFFFFF) { n = n + 8; x = x << 8; } if (x <= 0x0FFFFFFF) { n = n + 4; x = x << 4; } if (x <= 0x3FFFFFFF) { n = n + 2; x = x << 2; } if (x <= 0x7FFFFFFF) { n = n + 1; } return 31 - n; } #endif static inline void glamor_make_current(glamor_screen_private *glamor_priv) { if (lastGLContext != &glamor_priv->ctx) { lastGLContext = &glamor_priv->ctx; glamor_priv->ctx.make_current(&glamor_priv->ctx); } } #endif