[Qemu-devel] [PATCH 13/14] [wip] pl110: switch some conversions to swap+pixman mode

[Gerd Hoffmann <kraxel@redhat.com>]

Add swapmode to struct pl110_draw_fn,
handle more framebuffer formats that way.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
 hw/display/pl110.c          | 26 +++++++++++++++++---------
 hw/display/pl110_template.h | 45 +++++++++++++++++++++++++++++++++++----------
 2 files changed, 52 insertions(+), 19 deletions(-)

diff --git a/hw/display/pl110.c b/hw/display/pl110.c
index 0dbc526..6d8ae4b 100644
--- a/hw/display/pl110.c
+++ b/hw/display/pl110.c
@@ -205,7 +205,8 @@ static void pl110_update_display(void *opaque)
     if (s->invalidate ||
         surface_width(surface) != s->cols ||
         surface_height(surface) != s->rows) {
-        if (pl110_draw[bpp_offset].fmt) {
+        if (pl110_draw[bpp_offset].fmt &&
+            pl110_draw[bpp_offset].swap == FB_SWAP_NONE) {
             surface = qemu_create_displaysurface_guestmem
                 (s->cols, s->rows, pl110_draw[bpp_offset].fmt, 0, s->upbase);
             dpy_gfx_replace_surface(s->con, surface);
@@ -223,15 +224,22 @@ static void pl110_update_display(void *opaque)
                              s->upbase, s->invalidate);
     } else {
         g_assert(surface_bits_per_pixel(surface) == 32);
-        dest_width = 4 * s->cols;
         first = 0;
-        fn = pl110_draw[bpp_offset].fn;
-        framebuffer_update_display(surface, sysbus_address_space(sbd),
-                                   s->upbase, s->cols, s->rows,
-                                   src_width, dest_width, 0,
-                                   s->invalidate,
-                                   fn, s->palette,
-                                   &first, &last);
+        if (pl110_draw[bpp_offset].fmt) {
+            framebuffer_update_display_swap_pixman
+                (surface, sysbus_address_space(sbd), s->upbase,
+                 pl110_draw[bpp_offset].swap, pl110_draw[bpp_offset].fmt,
+                 s->invalidate, &first, &last);
+        } else {
+            dest_width = 4 * s->cols;
+            fn = pl110_draw[bpp_offset].fn;
+            framebuffer_update_display(surface, sysbus_address_space(sbd),
+                                       s->upbase, s->cols, s->rows,
+                                       src_width, dest_width, 0,
+                                       s->invalidate,
+                                       fn, s->palette,
+                                       &first, &last);
+        }
         if (first >= 0) {
             dpy_gfx_update(s->con, 0, first, s->cols, last - first + 1);
         }
diff --git a/hw/display/pl110_template.h b/hw/display/pl110_template.h
index 1eee28d..d81a388 100644
--- a/hw/display/pl110_template.h
+++ b/hw/display/pl110_template.h
@@ -41,16 +41,29 @@
 static struct {
     drawfn fn;
     pixman_format_code_t fmt;
+    enum framebuffer_swapmode swap;
 } pl110_draw[48] = {
     { .fn = pl110_draw_line1_lblp_bgr },
     { .fn = pl110_draw_line2_lblp_bgr },
     { .fn = pl110_draw_line4_lblp_bgr },
     { .fn = pl110_draw_line8_lblp_bgr },
-    { .fn = pl110_draw_line16_555_lblp_bgr, .fmt = LEBE(PIXMAN_x1r5g5b5, 0) },
-    { .fn = pl110_draw_line32_lblp_bgr,     .fmt = LEBE(PIXMAN_x8r8g8b8,
-                                                        PIXMAN_b8g8r8a8)    },
-    { .fn = pl110_draw_line16_lblp_bgr,     .fmt = LEBE(PIXMAN_r5g6b5,   0) },
-    { .fn = pl110_draw_line12_lblp_bgr,     .fmt = LEBE(PIXMAN_x4r4g4b4, 0) },
+    {
+        .fn   = pl110_draw_line16_555_lblp_bgr,
+        .fmt  = PIXMAN_x1r5g5b5,
+        .swap = LEBE(FB_SWAP_NONE, FB_SWAP_16_BYTES),
+    },{
+        .fn   = pl110_draw_line32_lblp_bgr,
+        .fmt  = LEBE(PIXMAN_x8r8g8b8, PIXMAN_b8g8r8a8),
+        .swap = FB_SWAP_NONE
+    },{
+        .fn   = pl110_draw_line16_lblp_bgr,
+        .fmt  = PIXMAN_r5g6b5,
+        .swap = LEBE(FB_SWAP_NONE, FB_SWAP_16_BYTES),
+    },{
+        .fn   = pl110_draw_line12_lblp_bgr,
+        .fmt  = PIXMAN_x4r4g4b4,
+        .swap = LEBE(FB_SWAP_NONE, FB_SWAP_16_BYTES)
+    },
 
     { .fn = pl110_draw_line1_bbbp_bgr },
     { .fn = pl110_draw_line2_bbbp_bgr },
@@ -66,11 +79,23 @@ static struct {
     { .fn = pl110_draw_line2_lbbp_bgr },
     { .fn = pl110_draw_line4_lbbp_bgr },
     { .fn = pl110_draw_line8_lbbp_bgr },
-    { .fn = pl110_draw_line16_555_lbbp_bgr, .fmt = LEBE(PIXMAN_x1r5g5b5, 0) },
-    { .fn = pl110_draw_line32_lbbp_bgr,     .fmt = LEBE(PIXMAN_x8r8g8b8,
-                                                        PIXMAN_b8g8r8a8)    },
-    { .fn = pl110_draw_line16_lbbp_bgr,     .fmt = LEBE(PIXMAN_r5g6b5,   0) },
-    { .fn = pl110_draw_line12_lbbp_bgr,     .fmt = LEBE(PIXMAN_x4r4g4b4, 0) },
+    {
+        .fn = pl110_draw_line16_555_lbbp_bgr,
+        .fmt  = PIXMAN_x1r5g5b5,
+        .swap = LEBE(FB_SWAP_NONE, FB_SWAP_16_BYTES),
+    },{
+        .fn = pl110_draw_line32_lbbp_bgr,
+        .fmt  = LEBE(PIXMAN_x8r8g8b8, PIXMAN_b8g8r8a8),
+        .swap = FB_SWAP_NONE
+    },{
+        .fn = pl110_draw_line16_lbbp_bgr,
+        .fmt  = PIXMAN_r5g6b5,
+        .swap = LEBE(FB_SWAP_NONE, FB_SWAP_16_BYTES),
+    },{
+        .fn = pl110_draw_line12_lbbp_bgr,
+        .fmt  = PIXMAN_x4r4g4b4,
+        .swap = LEBE(FB_SWAP_NONE, FB_SWAP_16_BYTES)
+    },
 
     { .fn = pl110_draw_line1_lblp_rgb },
     { .fn = pl110_draw_line2_lblp_rgb },
-- 
1.8.3.1