63dc3465d6
The "framebuffer.h" header is not an exported include. Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Thomas Huth <huth@tuxfamily.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20200504082003.16298-2-f4bug@amsat.org Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
147 lines
4.2 KiB
C
147 lines
4.2 KiB
C
/*
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* NeXT Cube/Station Framebuffer Emulation
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*
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* Copyright (c) 2011 Bryce Lanham
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "qemu/osdep.h"
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#include "qapi/error.h"
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#include "ui/console.h"
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#include "hw/hw.h"
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#include "hw/boards.h"
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#include "hw/loader.h"
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#include "framebuffer.h"
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#include "ui/pixel_ops.h"
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#include "hw/m68k/next-cube.h"
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#define NEXTFB(obj) OBJECT_CHECK(NeXTFbState, (obj), TYPE_NEXTFB)
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struct NeXTFbState {
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SysBusDevice parent_obj;
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MemoryRegion fb_mr;
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MemoryRegionSection fbsection;
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QemuConsole *con;
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uint32_t cols;
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uint32_t rows;
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int invalidate;
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};
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typedef struct NeXTFbState NeXTFbState;
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static void nextfb_draw_line(void *opaque, uint8_t *d, const uint8_t *s,
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int width, int pitch)
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{
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NeXTFbState *nfbstate = NEXTFB(opaque);
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static const uint32_t pal[4] = {
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0xFFFFFFFF, 0xFFAAAAAA, 0xFF555555, 0xFF000000
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};
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uint32_t *buf = (uint32_t *)d;
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int i = 0;
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for (i = 0; i < nfbstate->cols / 4; i++) {
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int j = i * 4;
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uint8_t src = s[i];
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buf[j + 3] = pal[src & 0x3];
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src >>= 2;
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buf[j + 2] = pal[src & 0x3];
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src >>= 2;
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buf[j + 1] = pal[src & 0x3];
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src >>= 2;
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buf[j + 0] = pal[src & 0x3];
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}
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}
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static void nextfb_update(void *opaque)
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{
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NeXTFbState *s = NEXTFB(opaque);
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int dest_width = 4;
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int src_width;
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int first = 0;
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int last = 0;
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DisplaySurface *surface = qemu_console_surface(s->con);
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src_width = s->cols / 4 + 8;
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dest_width = s->cols * 4;
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if (s->invalidate) {
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framebuffer_update_memory_section(&s->fbsection, &s->fb_mr, 0,
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s->cols, src_width);
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s->invalidate = 0;
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}
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framebuffer_update_display(surface, &s->fbsection, s->cols, s->rows,
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src_width, dest_width, 0, 1, nextfb_draw_line,
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s, &first, &last);
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dpy_gfx_update(s->con, 0, 0, s->cols, s->rows);
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}
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static void nextfb_invalidate(void *opaque)
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{
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NeXTFbState *s = NEXTFB(opaque);
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s->invalidate = 1;
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}
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static const GraphicHwOps nextfb_ops = {
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.invalidate = nextfb_invalidate,
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.gfx_update = nextfb_update,
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};
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static void nextfb_realize(DeviceState *dev, Error **errp)
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{
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NeXTFbState *s = NEXTFB(dev);
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memory_region_init_ram(&s->fb_mr, OBJECT(dev), "next-video", 0x1CB100,
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&error_fatal);
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sysbus_init_mmio(SYS_BUS_DEVICE(dev), &s->fb_mr);
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s->invalidate = 1;
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s->cols = 1120;
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s->rows = 832;
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s->con = graphic_console_init(dev, 0, &nextfb_ops, s);
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qemu_console_resize(s->con, s->cols, s->rows);
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}
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static void nextfb_class_init(ObjectClass *oc, void *data)
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{
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DeviceClass *dc = DEVICE_CLASS(oc);
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set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories);
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dc->realize = nextfb_realize;
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/* Note: This device does not any state that we have to reset or migrate */
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}
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static const TypeInfo nextfb_info = {
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.name = TYPE_NEXTFB,
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.parent = TYPE_SYS_BUS_DEVICE,
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.instance_size = sizeof(NeXTFbState),
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.class_init = nextfb_class_init,
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};
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static void nextfb_register_types(void)
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{
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type_register_static(&nextfb_info);
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}
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type_init(nextfb_register_types)
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