28cf396096
acpi-vga-stub.c pulls in vga_int.h
However that currently pulls in ui/console.h which
breaks e.g. on systems without pixman.
It's better to remove ui/console.h from vga_int.h
and directly include it where it's used.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <20221109222112.74519-1-mst@redhat.com>
Tested-by: Laurent Vivier <lvivier@redhat.com>
Reported-by: Miroslav Rezanina <mrezanin@redhat.com>
Reported-by: Frederic Bezies <fredbezies@gmail.com>
Reported-by: Laurent Vivier <lvivier@redhat.com>
Fixes: cfead31326 ("AcpiDevAmlIf interface to build VGA device descs")
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
208 lines
8.3 KiB
C
208 lines
8.3 KiB
C
/*
|
|
* QEMU ATI SVGA emulation
|
|
* 2D engine functions
|
|
*
|
|
* Copyright (c) 2019 BALATON Zoltan
|
|
*
|
|
* This work is licensed under the GNU GPL license version 2 or later.
|
|
*/
|
|
|
|
#include "qemu/osdep.h"
|
|
#include "ati_int.h"
|
|
#include "ati_regs.h"
|
|
#include "qemu/log.h"
|
|
#include "ui/pixel_ops.h"
|
|
#include "ui/console.h"
|
|
|
|
/*
|
|
* NOTE:
|
|
* This is 2D _acceleration_ and supposed to be fast. Therefore, don't try to
|
|
* reinvent the wheel (unlikely to get better with a naive implementation than
|
|
* existing libraries) and avoid (poorly) reimplementing gfx primitives.
|
|
* That is unnecessary and would become a performance problem. Instead, try to
|
|
* map to and reuse existing optimised facilities (e.g. pixman) wherever
|
|
* possible.
|
|
*/
|
|
|
|
static int ati_bpp_from_datatype(ATIVGAState *s)
|
|
{
|
|
switch (s->regs.dp_datatype & 0xf) {
|
|
case 2:
|
|
return 8;
|
|
case 3:
|
|
case 4:
|
|
return 16;
|
|
case 5:
|
|
return 24;
|
|
case 6:
|
|
return 32;
|
|
default:
|
|
qemu_log_mask(LOG_UNIMP, "Unknown dst datatype %d\n",
|
|
s->regs.dp_datatype & 0xf);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
#define DEFAULT_CNTL (s->regs.dp_gui_master_cntl & GMC_DST_PITCH_OFFSET_CNTL)
|
|
|
|
void ati_2d_blt(ATIVGAState *s)
|
|
{
|
|
/* FIXME it is probably more complex than this and may need to be */
|
|
/* rewritten but for now as a start just to get some output: */
|
|
DisplaySurface *ds = qemu_console_surface(s->vga.con);
|
|
DPRINTF("%p %u ds: %p %d %d rop: %x\n", s->vga.vram_ptr,
|
|
s->vga.vbe_start_addr, surface_data(ds), surface_stride(ds),
|
|
surface_bits_per_pixel(ds),
|
|
(s->regs.dp_mix & GMC_ROP3_MASK) >> 16);
|
|
unsigned dst_x = (s->regs.dp_cntl & DST_X_LEFT_TO_RIGHT ?
|
|
s->regs.dst_x : s->regs.dst_x + 1 - s->regs.dst_width);
|
|
unsigned dst_y = (s->regs.dp_cntl & DST_Y_TOP_TO_BOTTOM ?
|
|
s->regs.dst_y : s->regs.dst_y + 1 - s->regs.dst_height);
|
|
int bpp = ati_bpp_from_datatype(s);
|
|
if (!bpp) {
|
|
qemu_log_mask(LOG_GUEST_ERROR, "Invalid bpp\n");
|
|
return;
|
|
}
|
|
int dst_stride = DEFAULT_CNTL ? s->regs.dst_pitch : s->regs.default_pitch;
|
|
if (!dst_stride) {
|
|
qemu_log_mask(LOG_GUEST_ERROR, "Zero dest pitch\n");
|
|
return;
|
|
}
|
|
uint8_t *dst_bits = s->vga.vram_ptr + (DEFAULT_CNTL ?
|
|
s->regs.dst_offset : s->regs.default_offset);
|
|
|
|
if (s->dev_id == PCI_DEVICE_ID_ATI_RAGE128_PF) {
|
|
dst_bits += s->regs.crtc_offset & 0x07ffffff;
|
|
dst_stride *= bpp;
|
|
}
|
|
uint8_t *end = s->vga.vram_ptr + s->vga.vram_size;
|
|
if (dst_x > 0x3fff || dst_y > 0x3fff || dst_bits >= end
|
|
|| dst_bits + dst_x
|
|
+ (dst_y + s->regs.dst_height) * dst_stride >= end) {
|
|
qemu_log_mask(LOG_UNIMP, "blt outside vram not implemented\n");
|
|
return;
|
|
}
|
|
DPRINTF("%d %d %d, %d %d %d, (%d,%d) -> (%d,%d) %dx%d %c %c\n",
|
|
s->regs.src_offset, s->regs.dst_offset, s->regs.default_offset,
|
|
s->regs.src_pitch, s->regs.dst_pitch, s->regs.default_pitch,
|
|
s->regs.src_x, s->regs.src_y, dst_x, dst_y,
|
|
s->regs.dst_width, s->regs.dst_height,
|
|
(s->regs.dp_cntl & DST_X_LEFT_TO_RIGHT ? '>' : '<'),
|
|
(s->regs.dp_cntl & DST_Y_TOP_TO_BOTTOM ? 'v' : '^'));
|
|
switch (s->regs.dp_mix & GMC_ROP3_MASK) {
|
|
case ROP3_SRCCOPY:
|
|
{
|
|
unsigned src_x = (s->regs.dp_cntl & DST_X_LEFT_TO_RIGHT ?
|
|
s->regs.src_x : s->regs.src_x + 1 - s->regs.dst_width);
|
|
unsigned src_y = (s->regs.dp_cntl & DST_Y_TOP_TO_BOTTOM ?
|
|
s->regs.src_y : s->regs.src_y + 1 - s->regs.dst_height);
|
|
int src_stride = DEFAULT_CNTL ?
|
|
s->regs.src_pitch : s->regs.default_pitch;
|
|
if (!src_stride) {
|
|
qemu_log_mask(LOG_GUEST_ERROR, "Zero source pitch\n");
|
|
return;
|
|
}
|
|
uint8_t *src_bits = s->vga.vram_ptr + (DEFAULT_CNTL ?
|
|
s->regs.src_offset : s->regs.default_offset);
|
|
|
|
if (s->dev_id == PCI_DEVICE_ID_ATI_RAGE128_PF) {
|
|
src_bits += s->regs.crtc_offset & 0x07ffffff;
|
|
src_stride *= bpp;
|
|
}
|
|
if (src_x > 0x3fff || src_y > 0x3fff || src_bits >= end
|
|
|| src_bits + src_x
|
|
+ (src_y + s->regs.dst_height) * src_stride >= end) {
|
|
qemu_log_mask(LOG_UNIMP, "blt outside vram not implemented\n");
|
|
return;
|
|
}
|
|
|
|
src_stride /= sizeof(uint32_t);
|
|
dst_stride /= sizeof(uint32_t);
|
|
DPRINTF("pixman_blt(%p, %p, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d)\n",
|
|
src_bits, dst_bits, src_stride, dst_stride, bpp, bpp,
|
|
src_x, src_y, dst_x, dst_y,
|
|
s->regs.dst_width, s->regs.dst_height);
|
|
if (s->regs.dp_cntl & DST_X_LEFT_TO_RIGHT &&
|
|
s->regs.dp_cntl & DST_Y_TOP_TO_BOTTOM) {
|
|
pixman_blt((uint32_t *)src_bits, (uint32_t *)dst_bits,
|
|
src_stride, dst_stride, bpp, bpp,
|
|
src_x, src_y, dst_x, dst_y,
|
|
s->regs.dst_width, s->regs.dst_height);
|
|
} else {
|
|
/* FIXME: We only really need a temporary if src and dst overlap */
|
|
int llb = s->regs.dst_width * (bpp / 8);
|
|
int tmp_stride = DIV_ROUND_UP(llb, sizeof(uint32_t));
|
|
uint32_t *tmp = g_malloc(tmp_stride * sizeof(uint32_t) *
|
|
s->regs.dst_height);
|
|
pixman_blt((uint32_t *)src_bits, tmp,
|
|
src_stride, tmp_stride, bpp, bpp,
|
|
src_x, src_y, 0, 0,
|
|
s->regs.dst_width, s->regs.dst_height);
|
|
pixman_blt(tmp, (uint32_t *)dst_bits,
|
|
tmp_stride, dst_stride, bpp, bpp,
|
|
0, 0, dst_x, dst_y,
|
|
s->regs.dst_width, s->regs.dst_height);
|
|
g_free(tmp);
|
|
}
|
|
if (dst_bits >= s->vga.vram_ptr + s->vga.vbe_start_addr &&
|
|
dst_bits < s->vga.vram_ptr + s->vga.vbe_start_addr +
|
|
s->vga.vbe_regs[VBE_DISPI_INDEX_YRES] * s->vga.vbe_line_offset) {
|
|
memory_region_set_dirty(&s->vga.vram, s->vga.vbe_start_addr +
|
|
s->regs.dst_offset +
|
|
dst_y * surface_stride(ds),
|
|
s->regs.dst_height * surface_stride(ds));
|
|
}
|
|
s->regs.dst_x = (s->regs.dp_cntl & DST_X_LEFT_TO_RIGHT ?
|
|
dst_x + s->regs.dst_width : dst_x);
|
|
s->regs.dst_y = (s->regs.dp_cntl & DST_Y_TOP_TO_BOTTOM ?
|
|
dst_y + s->regs.dst_height : dst_y);
|
|
break;
|
|
}
|
|
case ROP3_PATCOPY:
|
|
case ROP3_BLACKNESS:
|
|
case ROP3_WHITENESS:
|
|
{
|
|
uint32_t filler = 0;
|
|
|
|
switch (s->regs.dp_mix & GMC_ROP3_MASK) {
|
|
case ROP3_PATCOPY:
|
|
filler = s->regs.dp_brush_frgd_clr;
|
|
break;
|
|
case ROP3_BLACKNESS:
|
|
filler = 0xffUL << 24 | rgb_to_pixel32(s->vga.palette[0],
|
|
s->vga.palette[1], s->vga.palette[2]);
|
|
break;
|
|
case ROP3_WHITENESS:
|
|
filler = 0xffUL << 24 | rgb_to_pixel32(s->vga.palette[3],
|
|
s->vga.palette[4], s->vga.palette[5]);
|
|
break;
|
|
}
|
|
|
|
dst_stride /= sizeof(uint32_t);
|
|
DPRINTF("pixman_fill(%p, %d, %d, %d, %d, %d, %d, %x)\n",
|
|
dst_bits, dst_stride, bpp,
|
|
dst_x, dst_y,
|
|
s->regs.dst_width, s->regs.dst_height,
|
|
filler);
|
|
pixman_fill((uint32_t *)dst_bits, dst_stride, bpp,
|
|
dst_x, dst_y,
|
|
s->regs.dst_width, s->regs.dst_height,
|
|
filler);
|
|
if (dst_bits >= s->vga.vram_ptr + s->vga.vbe_start_addr &&
|
|
dst_bits < s->vga.vram_ptr + s->vga.vbe_start_addr +
|
|
s->vga.vbe_regs[VBE_DISPI_INDEX_YRES] * s->vga.vbe_line_offset) {
|
|
memory_region_set_dirty(&s->vga.vram, s->vga.vbe_start_addr +
|
|
s->regs.dst_offset +
|
|
dst_y * surface_stride(ds),
|
|
s->regs.dst_height * surface_stride(ds));
|
|
}
|
|
s->regs.dst_y = (s->regs.dp_cntl & DST_Y_TOP_TO_BOTTOM ?
|
|
dst_y + s->regs.dst_height : dst_y);
|
|
break;
|
|
}
|
|
default:
|
|
qemu_log_mask(LOG_UNIMP, "Unimplemented ati_2d blt op %x\n",
|
|
(s->regs.dp_mix & GMC_ROP3_MASK) >> 16);
|
|
}
|
|
}
|