xserver: Branch 'server-21.1-branch'

[GitLab Mirror]

 glamor/glamor_glyphblt.c |    8 ++++++++
 glamor/glamor_text.c     |    8 ++++++++
 2 files changed, 16 insertions(+)

New commits:
commit 03bbf4b1214b4e9aad153a5969c32264234fe4da
Author: Alexey <fatton2011 at yandex.ru>
Date:   Fri Jun 24 15:12:54 2022 +0000

    Fixed mirrored glyphs on big-endian machines
    
    (cherry picked from commit 4cf89222701d73d46c098be9fcc8d9eb6d96f885)
    
    Part-of: <https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/1605>

diff --git a/glamor/glamor_glyphblt.c b/glamor/glamor_glyphblt.c
index 78315ea9b..2e01cdd19 100644
--- a/glamor/glamor_glyphblt.c
+++ b/glamor/glamor_glyphblt.c
@@ -101,7 +101,11 @@ glamor_poly_glyph_blt_gl(DrawablePtr drawable, GCPtr gc,
                         int pt_x_i = glyph_x + xx;
                         int pt_y_i = glyph_y + yy;
 
+#if BITMAP_BIT_ORDER == MSBFirst
+                        if (!(*glyph & (128 >> (xx & 7))))
+#else
                         if (!(*glyph & (1 << (xx & 7))))
+#endif
                             continue;
 
                         if (!RegionContainsPoint(clip, pt_x_i, pt_y_i, NULL))
@@ -208,7 +212,11 @@ glamor_push_pixels_gl(GCPtr gc, PixmapPtr bitmap,
     for (yy = 0; yy < h; yy++) {
         uint8_t *bitmap_row = bitmap_data + yy * bitmap_stride;
         for (xx = 0; xx < w; xx++) {
+#if BITMAP_BIT_ORDER == MSBFirst
+            if (bitmap_row[xx / 8] & (128 >> xx % 8) &&
+#else
             if (bitmap_row[xx / 8] & (1 << xx % 8) &&
+#endif
                 RegionContainsPoint(clip,
                                     x + xx,
                                     y + yy,
diff --git a/glamor/glamor_text.c b/glamor/glamor_text.c
index cf165cad8..e92f55b3c 100644
--- a/glamor/glamor_text.c
+++ b/glamor/glamor_text.c
@@ -235,7 +235,11 @@ static const char fs_vars_text[] =
 
 static const char fs_exec_text[] =
     "       ivec2 itile_texture = ivec2(glyph_pos);\n"
+#if BITMAP_BIT_ORDER == MSBFirst
+    "       uint x = uint(7) - uint(itile_texture.x & 7);\n"
+#else
     "       uint x = uint(itile_texture.x & 7);\n"
+#endif
     "       itile_texture.x >>= 3;\n"
     "       uint texel = texelFetch(font, itile_texture, 0).x;\n"
     "       uint bit = (texel >> x) & uint(1);\n"
@@ -244,7 +248,11 @@ static const char fs_exec_text[] =
 
 static const char fs_exec_te[] =
     "       ivec2 itile_texture = ivec2(glyph_pos);\n"
+#if BITMAP_BIT_ORDER == MSBFirst
+    "       uint x = uint(7) - uint(itile_texture.x & 7);\n"
+#else
     "       uint x = uint(itile_texture.x & 7);\n"
+#endif
     "       itile_texture.x >>= 3;\n"
     "       uint texel = texelFetch(font, itile_texture, 0).x;\n"
     "       uint bit = (texel >> x) & uint(1);\n"