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+/*
+ * 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
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-07-02 13:34:00 +0000