xserver randrproto libxtrans fontconfig libxcb xcb-proto mesa git update 26 Jan 2014

xserver          commit c1ce807d9f18f215332d7eeb844e8c640f71c53c
libxcb           commit e7263931aff3e3450dc938ad465a7577f943549f
libxcb/xcb-proto commit d898fd39ad6c82207eb78666b2daad982dd757b5
randrproto       commit a4a6694c059d74247c16527eef4a0ec9f56bbef6
libxtrans        commit e1e6121a1638d43d9929589b4723da2b38cb6b44
fontconfig       commit e2b406053c2937799da8636c56b72a77998bcab0
mesa             commit 07149f0252c52b4ac58b6df4e307fd786b49b490

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