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Diffstat (limited to 'xorg-server/glamor/glamor_utils.h')
| -rw-r--r-- | xorg-server/glamor/glamor_utils.h | 1835 |
1 files changed, 1835 insertions, 0 deletions
diff --git a/xorg-server/glamor/glamor_utils.h b/xorg-server/glamor/glamor_utils.h new file mode 100644 index 000000000..d30783826 --- /dev/null +++ b/xorg-server/glamor/glamor_utils.h @@ -0,0 +1,1835 @@ +/* + * 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 <zhigang.gong@linux.intel.com> + * + */ + +#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_EAXCT_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 (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 (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 (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 (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 (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 (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 (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 (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 (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 (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 (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 (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 (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 (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 (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 (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 (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; + } +} + +static inline Bool +region_is_empty(pixman_region16_t *region) +{ + return region->data && region->data->numRects == 0; +} + +#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 void +gl_iformat_for_depth(int depth, GLenum * format) +{ + switch (depth) { +#ifndef GLAMOR_GLES2 + case 1: + case 8: + *format = GL_ALPHA; + break; +#endif + default: + *format = GL_RGBA; + break; + } +} + +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 + +/* + * Map picture's format to the correct gl texture format and type. + * no_alpha is used to indicate whehter we need to wire alpha to 1. + * + * Although opengl support A1/GL_BITMAP, we still don't use it + * here, it seems that mesa has bugs when uploading a A1 bitmap. + * + * Return 0 if find a matched texture type. Otherwise return -1. + **/ +#ifndef GLAMOR_GLES2 +static inline int +glamor_get_tex_format_type_from_pictformat(PictFormatShort format, + GLenum * tex_format, + GLenum * tex_type, + int *no_alpha, + int *revert, + int *swap_rb, + int is_upload) + +{ + *no_alpha = 0; + *revert = REVERT_NONE; + *swap_rb = is_upload ? SWAP_NONE_UPLOADING : SWAP_NONE_DOWNLOADING; + switch (format) { + case PICT_a1: + *tex_format = GL_ALPHA; + *tex_type = GL_UNSIGNED_BYTE; + *revert = is_upload ? REVERT_UPLOADING_A1 : REVERT_DOWNLOADING_A1; + break; + case PICT_b8g8r8x8: + *no_alpha = 1; + case PICT_b8g8r8a8: + *tex_format = GL_BGRA; + *tex_type = GL_UNSIGNED_INT_8_8_8_8; + break; + + case PICT_x8r8g8b8: + *no_alpha = 1; + case PICT_a8r8g8b8: + *tex_format = GL_BGRA; + *tex_type = GL_UNSIGNED_INT_8_8_8_8_REV; + break; + case PICT_x8b8g8r8: + *no_alpha = 1; + case PICT_a8b8g8r8: + *tex_format = GL_RGBA; + *tex_type = GL_UNSIGNED_INT_8_8_8_8_REV; + break; + case PICT_x2r10g10b10: + *no_alpha = 1; + case PICT_a2r10g10b10: + *tex_format = GL_BGRA; + *tex_type = GL_UNSIGNED_INT_2_10_10_10_REV; + break; + case PICT_x2b10g10r10: + *no_alpha = 1; + case PICT_a2b10g10r10: + *tex_format = GL_RGBA; + *tex_type = GL_UNSIGNED_INT_2_10_10_10_REV; + break; + + case PICT_r5g6b5: + *tex_format = GL_RGB; + *tex_type = GL_UNSIGNED_SHORT_5_6_5; + break; + case PICT_b5g6r5: + *tex_format = GL_RGB; + *tex_type = GL_UNSIGNED_SHORT_5_6_5_REV; + break; + case PICT_x1b5g5r5: + *no_alpha = 1; + case PICT_a1b5g5r5: + *tex_format = GL_RGBA; + *tex_type = GL_UNSIGNED_SHORT_1_5_5_5_REV; + break; + + case PICT_x1r5g5b5: + *no_alpha = 1; + case PICT_a1r5g5b5: + *tex_format = GL_BGRA; + *tex_type = GL_UNSIGNED_SHORT_1_5_5_5_REV; + break; + case PICT_a8: + *tex_format = GL_ALPHA; + *tex_type = GL_UNSIGNED_BYTE; + break; + case PICT_x4r4g4b4: + *no_alpha = 1; + case PICT_a4r4g4b4: + *tex_format = GL_BGRA; + *tex_type = GL_UNSIGNED_SHORT_4_4_4_4_REV; + break; + + case PICT_x4b4g4r4: + *no_alpha = 1; + case PICT_a4b4g4r4: + *tex_format = GL_RGBA; + *tex_type = GL_UNSIGNED_SHORT_4_4_4_4_REV; + break; + + default: + LogMessageVerb(X_INFO, 0, + "fail to get matched format for %x \n", + format); + return -1; + } + return 0; +} + +/* Currently, we use RGBA to represent all formats. */ +inline static int cache_format(GLenum format) +{ + switch (format) { + case GL_ALPHA: + return 1; + case GL_RGBA: + return 0; + default: + return -1; + } +} + +#else +#define IS_LITTLE_ENDIAN (IMAGE_BYTE_ORDER == LSBFirst) + +static inline int +glamor_get_tex_format_type_from_pictformat(PictFormatShort format, + GLenum * tex_format, + GLenum * tex_type, + int *no_alpha, + int *revert, + int *swap_rb, + int is_upload) +{ + int need_swap_rb = 0; + + *no_alpha = 0; + *revert = IS_LITTLE_ENDIAN ? REVERT_NONE : REVERT_NORMAL; + + switch (format) { + case PICT_b8g8r8x8: + *no_alpha = 1; + case PICT_b8g8r8a8: + *tex_format = GL_RGBA; + *tex_type = GL_UNSIGNED_BYTE; + need_swap_rb = 1; + *revert = IS_LITTLE_ENDIAN ? REVERT_NORMAL : REVERT_NONE; + break; + + case PICT_x8r8g8b8: + *no_alpha = 1; + case PICT_a8r8g8b8: + *tex_format = GL_RGBA; + *tex_type = GL_UNSIGNED_BYTE; + need_swap_rb = 1; + break; + + case PICT_x8b8g8r8: + *no_alpha = 1; + case PICT_a8b8g8r8: + *tex_format = GL_RGBA; + *tex_type = GL_UNSIGNED_BYTE; + break; + + case PICT_x2r10g10b10: + *no_alpha = 1; + case PICT_a2r10g10b10: + *tex_format = GL_RGBA; + /* glReadPixmap doesn't support GL_UNSIGNED_INT_10_10_10_2. + * we have to use GL_UNSIGNED_BYTE and do the conversion in + * shader latter.*/ + *tex_type = GL_UNSIGNED_BYTE; + if (is_upload == 1) { + if (!IS_LITTLE_ENDIAN) + *revert = REVERT_UPLOADING_10_10_10_2; + else + *revert = REVERT_UPLOADING_2_10_10_10; + } + else { + if (!IS_LITTLE_ENDIAN) { + *revert = REVERT_DOWNLOADING_10_10_10_2; + } + else { + *revert = REVERT_DOWNLOADING_2_10_10_10; + } + } + need_swap_rb = 1; + + break; + + case PICT_x2b10g10r10: + *no_alpha = 1; + case PICT_a2b10g10r10: + *tex_format = GL_RGBA; + *tex_type = GL_UNSIGNED_BYTE; + if (is_upload == 1) { + if (!IS_LITTLE_ENDIAN) + *revert = REVERT_UPLOADING_10_10_10_2; + else + *revert = REVERT_UPLOADING_2_10_10_10; + } + else { + if (!IS_LITTLE_ENDIAN) { + *revert = REVERT_DOWNLOADING_10_10_10_2; + } + else { + *revert = REVERT_DOWNLOADING_2_10_10_10; + } + } + break; + + case PICT_r5g6b5: + *tex_format = GL_RGB; + *tex_type = GL_UNSIGNED_SHORT_5_6_5; + *revert = IS_LITTLE_ENDIAN ? REVERT_NONE : REVERT_NORMAL; + + break; + + case PICT_b5g6r5: + *tex_format = GL_RGB; + *tex_type = GL_UNSIGNED_SHORT_5_6_5; + need_swap_rb = IS_LITTLE_ENDIAN ? 1 : 0;; + break; + + case PICT_x1b5g5r5: + *no_alpha = 1; + case PICT_a1b5g5r5: + *tex_format = GL_RGBA; + *tex_type = GL_UNSIGNED_SHORT_5_5_5_1; + if (IS_LITTLE_ENDIAN) { + *revert = is_upload ? REVERT_UPLOADING_1_5_5_5 : REVERT_DOWNLOADING_1_5_5_5; + } else + *revert = REVERT_NONE; + break; + + case PICT_x1r5g5b5: + *no_alpha = 1; + case PICT_a1r5g5b5: + *tex_format = GL_RGBA; + *tex_type = GL_UNSIGNED_SHORT_5_5_5_1; + if (IS_LITTLE_ENDIAN) { + *revert = is_upload ? REVERT_UPLOADING_1_5_5_5 : REVERT_DOWNLOADING_1_5_5_5; + } else + *revert = REVERT_NONE; + need_swap_rb = 1; + break; + + case PICT_a1: + *tex_format = GL_ALPHA; + *tex_type = GL_UNSIGNED_BYTE; + *revert = is_upload ? REVERT_UPLOADING_A1 : REVERT_DOWNLOADING_A1; + break; + + case PICT_a8: + *tex_format = GL_ALPHA; + *tex_type = GL_UNSIGNED_BYTE; + *revert = REVERT_NONE; + break; + + case PICT_x4r4g4b4: + *no_alpha = 1; + case PICT_a4r4g4b4: + *tex_format = GL_RGBA; + *tex_type = GL_UNSIGNED_SHORT_4_4_4_4; + *revert = IS_LITTLE_ENDIAN ? REVERT_NORMAL : REVERT_NONE; + need_swap_rb = 1; + break; + + case PICT_x4b4g4r4: + *no_alpha = 1; + case PICT_a4b4g4r4: + *tex_format = GL_RGBA; + *tex_type = GL_UNSIGNED_SHORT_4_4_4_4; + *revert = IS_LITTLE_ENDIAN ? REVERT_NORMAL : REVERT_NONE; + break; + + default: + LogMessageVerb(X_INFO, 0, + "fail to get matched format for %x \n", + format); + return -1; + } + + if (need_swap_rb) + *swap_rb = is_upload ? SWAP_UPLOADING : SWAP_DOWNLOADING; + else + *swap_rb = is_upload ? SWAP_NONE_UPLOADING : SWAP_NONE_DOWNLOADING; + return 0; +} + +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; + } +} + +#endif + + +static inline int +glamor_get_tex_format_type_from_pixmap(PixmapPtr pixmap, + GLenum * format, + GLenum * type, + int *no_alpha, + int *revert, + int *swap_rb, + int is_upload) +{ + 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 glamor_get_tex_format_type_from_pictformat(pict_format, + format, type, + no_alpha, + revert, + swap_rb, + is_upload); +} + + +/* 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(PictFormatShort pict_format, int depth) +{ + GLenum iformat; + + gl_iformat_for_depth(depth, &iformat); + switch (iformat) { + case GL_RGBA: + return (pict_format == PICT_a8r8g8b8 || pict_format == PICT_x8r8g8b8); + case GL_ALPHA: + return (pict_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, GLAMOR_ACCESS_RO); +} + +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); + + 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_ACCESS_RO); + glamor_finish_access(&pixmap2->drawable, GLAMOR_ACCESS_RO); +} + +/* 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; + } + + glamor_prepare_access(&fst_pixmap->drawable, GLAMOR_ACCESS_RO); + glamor_prepare_access(&snd_pixmap->drawable, GLAMOR_ACCESS_RO); + + if ((fst_type == SourcePictTypeLinear) || + (fst_type == SourcePictTypeRadial) || + (fst_type == SourcePictTypeConical) || + (snd_type == SourcePictTypeLinear) || + (snd_type == SourcePictTypeRadial) || + (snd_type == SourcePictTypeConical)) { + x_source = y_source = 0; + } + + _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_ACCESS_RO); + glamor_finish_access(&snd_pixmap->drawable, GLAMOR_ACCESS_RO); + + 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(ScreenPtr screen) +{ + glamor_egl_make_current(screen); +} + +static inline void glamor_restore_current(ScreenPtr screen) +{ + glamor_egl_restore_context(screen); +} + +#ifdef GLX_USE_SHARED_DISPATCH +static inline glamor_gl_dispatch * +glamor_get_dispatch(glamor_screen_private *glamor_priv) +{ + if (glamor_priv->flags & GLAMOR_USE_EGL_SCREEN) + glamor_make_current(glamor_priv->screen); + + return &glamor_priv->_dispatch; +} + +static inline void +glamor_put_dispatch(glamor_screen_private *glamor_priv) +{ + if (glamor_priv->flags & GLAMOR_USE_EGL_SCREEN) + glamor_restore_current(glamor_priv->screen); +} +#else +#warning "Indirect GLX may be broken, need to implement context switch." +static inline glamor_gl_dispatch * +glamor_get_dispatch(glamor_screen_private *glamor_priv) +{ + return &glamor_priv->_dispatch; +} + +static inline void +glamor_put_dispatch(glamor_screen_private *glamor_priv) +{ +} + +#endif + +#endif |