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[Qemu-devel] [PATCH 12/14] [wip] pl110: start using pixman
From: |
Gerd Hoffmann |
Subject: |
[Qemu-devel] [PATCH 12/14] [wip] pl110: start using pixman |
Date: |
Tue, 2 Sep 2014 10:00:25 +0200 |
Turn pl110_draw_fn into a struct, carrying both conversion function
and pixman format for a given guest framebuffer layout. Create a
DisplaySurface backed by guest memory in case pixman can handle the
format, thereby collecting the low-hanging fruits.
A common case (linux kernel running pl111 with 16bpp, little endian
host) runs powered by pixman now. Lot of work left to be able to kill
the template stuff completely though.
Debug printf left in for now to see what formts the guest is using.
Signed-off-by: Gerd Hoffmann <address@hidden>
---
hw/display/pl110.c | 67 +++++++++++++++-----------
hw/display/pl110_template.h | 111 ++++++++++++++++++++++++--------------------
2 files changed, 101 insertions(+), 77 deletions(-)
diff --git a/hw/display/pl110.c b/hw/display/pl110.c
index f788382..0dbc526 100644
--- a/hw/display/pl110.c
+++ b/hw/display/pl110.c
@@ -170,12 +170,13 @@ static void pl110_update_display(void *opaque)
}
}
- if (s->cr & PL110_CR_BEBO)
- fn = pl110_draw_fn[s->bpp + 8 + bpp_offset];
- else if (s->cr & PL110_CR_BEPO)
- fn = pl110_draw_fn[s->bpp + 16 + bpp_offset];
- else
- fn = pl110_draw_fn[s->bpp + bpp_offset];
+ if (s->cr & PL110_CR_BEBO) {
+ bpp_offset += 8 + s->bpp;
+ } else if (s->cr & PL110_CR_BEPO) {
+ bpp_offset += 16 + s->bpp;
+ } else {
+ bpp_offset += s->bpp;
+ }
src_width = s->cols;
switch (s->bpp) {
@@ -201,23 +202,39 @@ static void pl110_update_display(void *opaque)
}
/* handle resize */
- if (surface_width(surface) != s->cols ||
+ if (s->invalidate ||
+ surface_width(surface) != s->cols ||
surface_height(surface) != s->rows) {
- qemu_console_resize(s->con, s->cols, s->rows);
- surface = qemu_console_surface(s->con);
+ if (pl110_draw[bpp_offset].fmt) {
+ surface = qemu_create_displaysurface_guestmem
+ (s->cols, s->rows, pl110_draw[bpp_offset].fmt, 0, s->upbase);
+ dpy_gfx_replace_surface(s->con, surface);
+ } else {
+ qemu_console_resize(s->con, s->cols, s->rows);
+ surface = qemu_console_surface(s->con);
+ }
+ fprintf(stderr, "%s: %s memory, %dx%d, bpp_offset %d, format 0x%x\n",
+ __func__, is_buffer_shared(surface) ? "guest" : "host",
+ s->cols, s->rows, bpp_offset, surface->format);
}
- g_assert(surface_bits_per_pixel(surface) == 32);
- dest_width = 4 * s->cols;
- first = 0;
- 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);
+ if (is_buffer_shared(surface)) {
+ dpy_gfx_update_dirty(s->con, sysbus_address_space(sbd),
+ 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 (first >= 0) {
+ dpy_gfx_update(s->con, 0, first, s->cols, last - first + 1);
+ }
}
s->invalidate = 0;
}
@@ -235,6 +252,8 @@ static void pl110_update_palette(PL110State *s, int n)
uint32_t raw;
unsigned int r, g, b;
+ g_assert(is_buffer_shared(surface) ||
+ surface_bits_per_pixel(surface) == 32);
raw = s->raw_palette[n];
n <<= 1;
for (i = 0; i < 2; i++) {
@@ -245,13 +264,7 @@ static void pl110_update_palette(PL110State *s, int n)
b = (raw & 0x1f) << 3;
/* The I bit is ignored. */
raw >>= 6;
- switch (surface_bits_per_pixel(surface)) {
- case 32:
- s->palette[n] = rgb_to_pixel32(r, g, b);
- break;
- default:
- g_assert_not_reached();
- }
+ s->palette[n] = rgb_to_pixel32(r, g, b);
n++;
}
}
diff --git a/hw/display/pl110_template.h b/hw/display/pl110_template.h
index 5afc64c..1eee28d 100644
--- a/hw/display/pl110_template.h
+++ b/hw/display/pl110_template.h
@@ -32,61 +32,72 @@
#include "pl110_template.h"
#undef BORDER
-static drawfn pl110_draw_fn[48] =
-{
- pl110_draw_line1_lblp_bgr,
- pl110_draw_line2_lblp_bgr,
- pl110_draw_line4_lblp_bgr,
- pl110_draw_line8_lblp_bgr,
- pl110_draw_line16_555_lblp_bgr,
- pl110_draw_line32_lblp_bgr,
- pl110_draw_line16_lblp_bgr,
- pl110_draw_line12_lblp_bgr,
+#ifdef HOST_WORDS_BIGENDIAN
+# define LEBE(le, be) (be)
+#else
+# define LEBE(le, be) (le)
+#endif
+
+static struct {
+ drawfn fn;
+ pixman_format_code_t fmt;
+} 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) },
- pl110_draw_line1_bbbp_bgr,
- pl110_draw_line2_bbbp_bgr,
- pl110_draw_line4_bbbp_bgr,
- pl110_draw_line8_bbbp_bgr,
- pl110_draw_line16_555_bbbp_bgr,
- pl110_draw_line32_bbbp_bgr,
- pl110_draw_line16_bbbp_bgr,
- pl110_draw_line12_bbbp_bgr,
+ { .fn = pl110_draw_line1_bbbp_bgr },
+ { .fn = pl110_draw_line2_bbbp_bgr },
+ { .fn = pl110_draw_line4_bbbp_bgr },
+ { .fn = pl110_draw_line8_bbbp_bgr },
+ { .fn = pl110_draw_line16_555_bbbp_bgr },
+ { .fn = pl110_draw_line32_bbbp_bgr, .fmt = LEBE(PIXMAN_b8g8r8a8,
+ PIXMAN_x8r8g8b8) },
+ { .fn = pl110_draw_line16_bbbp_bgr },
+ { .fn = pl110_draw_line12_bbbp_bgr },
- pl110_draw_line1_lbbp_bgr,
- pl110_draw_line2_lbbp_bgr,
- pl110_draw_line4_lbbp_bgr,
- pl110_draw_line8_lbbp_bgr,
- pl110_draw_line16_555_lbbp_bgr,
- pl110_draw_line32_lbbp_bgr,
- pl110_draw_line16_lbbp_bgr,
- pl110_draw_line12_lbbp_bgr,
+ { .fn = pl110_draw_line1_lbbp_bgr },
+ { .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) },
- pl110_draw_line1_lblp_rgb,
- pl110_draw_line2_lblp_rgb,
- pl110_draw_line4_lblp_rgb,
- pl110_draw_line8_lblp_rgb,
- pl110_draw_line16_555_lblp_rgb,
- pl110_draw_line32_lblp_rgb,
- pl110_draw_line16_lblp_rgb,
- pl110_draw_line12_lblp_rgb,
+ { .fn = pl110_draw_line1_lblp_rgb },
+ { .fn = pl110_draw_line2_lblp_rgb },
+ { .fn = pl110_draw_line4_lblp_rgb },
+ { .fn = pl110_draw_line8_lblp_rgb },
+ { .fn = pl110_draw_line16_555_lblp_rgb },
+ { .fn = pl110_draw_line32_lblp_rgb },
+ { .fn = pl110_draw_line16_lblp_rgb },
+ { .fn = pl110_draw_line12_lblp_rgb },
- pl110_draw_line1_bbbp_rgb,
- pl110_draw_line2_bbbp_rgb,
- pl110_draw_line4_bbbp_rgb,
- pl110_draw_line8_bbbp_rgb,
- pl110_draw_line16_555_bbbp_rgb,
- pl110_draw_line32_bbbp_rgb,
- pl110_draw_line16_bbbp_rgb,
- pl110_draw_line12_bbbp_rgb,
+ { .fn = pl110_draw_line1_bbbp_rgb },
+ { .fn = pl110_draw_line2_bbbp_rgb },
+ { .fn = pl110_draw_line4_bbbp_rgb },
+ { .fn = pl110_draw_line8_bbbp_rgb },
+ { .fn = pl110_draw_line16_555_bbbp_rgb },
+ { .fn = pl110_draw_line32_bbbp_rgb },
+ { .fn = pl110_draw_line16_bbbp_rgb },
+ { .fn = pl110_draw_line12_bbbp_rgb },
- pl110_draw_line1_lbbp_rgb,
- pl110_draw_line2_lbbp_rgb,
- pl110_draw_line4_lbbp_rgb,
- pl110_draw_line8_lbbp_rgb,
- pl110_draw_line16_555_lbbp_rgb,
- pl110_draw_line32_lbbp_rgb,
- pl110_draw_line16_lbbp_rgb,
- pl110_draw_line12_lbbp_rgb,
+ { .fn = pl110_draw_line1_lbbp_rgb },
+ { .fn = pl110_draw_line2_lbbp_rgb },
+ { .fn = pl110_draw_line4_lbbp_rgb },
+ { .fn = pl110_draw_line8_lbbp_rgb },
+ { .fn = pl110_draw_line16_555_lbbp_rgb },
+ { .fn = pl110_draw_line32_lbbp_rgb },
+ { .fn = pl110_draw_line16_lbbp_rgb },
+ { .fn = pl110_draw_line12_lbbp_rgb },
};
#undef BITS
--
1.8.3.1
- [Qemu-devel] [PATCH 00/14] console/pl110: pixman conversion continued, Gerd Hoffmann, 2014/09/02
- [Qemu-devel] [PATCH 09/14] pl110: add framebuffer_update_display_swap_pixman, Gerd Hoffmann, 2014/09/02
- [Qemu-devel] [PATCH 11/14] pl110: move resize, Gerd Hoffmann, 2014/09/02
- [Qemu-devel] [PATCH 07/14] console: add qemu_pixman_linebuf_copy, Gerd Hoffmann, 2014/09/02
- [Qemu-devel] [PATCH 14/14] [wip] pl110: start handling paletted images via pixman, Gerd Hoffmann, 2014/09/02
- [Qemu-devel] [PATCH 12/14] [wip] pl110: start using pixman,
Gerd Hoffmann <=
- [Qemu-devel] [PATCH 01/14] console: add qemu_pixelformat_from_pixman, Gerd Hoffmann, 2014/09/02
- [Qemu-devel] [PATCH 03/14] console: reimplement qemu_default_pixelformat, Gerd Hoffmann, 2014/09/02
- [Qemu-devel] [PATCH 10/14] pl100: Drop support for depths other than 32bpp., Gerd Hoffmann, 2014/09/02
- [Qemu-devel] [PATCH 05/14] console: add qemu_create_displaysurface_guestmem, Gerd Hoffmann, 2014/09/02
- [Qemu-devel] [PATCH 06/14] console: add dpy_gfx_update_dirty, Gerd Hoffmann, 2014/09/02
- [Qemu-devel] [PATCH 02/14] console: add qemu_default_pixman_format, Gerd Hoffmann, 2014/09/02
- [Qemu-devel] [PATCH 13/14] [wip] pl110: switch some conversions to swap+pixman mode, Gerd Hoffmann, 2014/09/02
- [Qemu-devel] [PATCH 08/14] console: Remove unused QEMU_BIG_ENDIAN_FLAG, Gerd Hoffmann, 2014/09/02
- [Qemu-devel] [PATCH 04/14] console: stop using PixelFormat, Gerd Hoffmann, 2014/09/02