321 lines
10 KiB
C
321 lines
10 KiB
C
/*
|
|
* VAS_EBOOT -- GRand Unified Bootloader
|
|
* Copyright (C) 2005,2006,2007,2008,2009 Free Software Foundation, Inc.
|
|
*
|
|
* VAS_EBOOT is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* VAS_EBOOT is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with VAS_EBOOT. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#define VasEBoot_video_render_target VasEBoot_video_fbrender_target
|
|
|
|
#include <config-util.h>
|
|
#include <config.h>
|
|
|
|
#include <VasEBoot/err.h>
|
|
#include <VasEBoot/types.h>
|
|
#include <VasEBoot/dl.h>
|
|
#include <VasEBoot/misc.h>
|
|
#include <VasEBoot/mm.h>
|
|
#include <VasEBoot/video.h>
|
|
#include <VasEBoot/video_fb.h>
|
|
#ifdef HAVE_SDL2
|
|
#include <SDL2/SDL.h>
|
|
#else
|
|
#include <SDL/SDL.h>
|
|
#endif
|
|
|
|
VAS_EBOOT_MOD_LICENSE ("GPLv3+");
|
|
|
|
#ifdef HAVE_SDL2
|
|
static SDL_Window *window = NULL;
|
|
static SDL_Texture *texture = NULL;
|
|
static SDL_Renderer *renderer = NULL;
|
|
#else
|
|
static SDL_Surface *window = NULL;
|
|
#endif
|
|
static SDL_Surface *surface = NULL;
|
|
static struct VasEBoot_video_render_target *sdl_render_target;
|
|
static struct VasEBoot_video_mode_info mode_info;
|
|
|
|
static VasEBoot_err_t
|
|
VasEBoot_video_sdl_set_palette (unsigned int start, unsigned int count,
|
|
struct VasEBoot_video_palette_data *palette_data);
|
|
|
|
static VasEBoot_err_t
|
|
VasEBoot_video_sdl_init (void)
|
|
{
|
|
window = NULL;
|
|
|
|
if (SDL_Init (SDL_INIT_VIDEO) < 0)
|
|
return VasEBoot_error (VAS_EBOOT_ERR_BAD_DEVICE, "could not init SDL: %s",
|
|
SDL_GetError ());
|
|
|
|
VasEBoot_memset (&mode_info, 0, sizeof (mode_info));
|
|
|
|
return VasEBoot_video_fb_init ();
|
|
}
|
|
|
|
static VasEBoot_err_t
|
|
VasEBoot_video_sdl_fini (void)
|
|
{
|
|
SDL_Quit ();
|
|
window = NULL;
|
|
|
|
VasEBoot_memset (&mode_info, 0, sizeof (mode_info));
|
|
|
|
return VasEBoot_video_fb_fini ();
|
|
}
|
|
|
|
static inline unsigned int
|
|
get_mask_size (VasEBoot_uint32_t mask)
|
|
{
|
|
unsigned i;
|
|
for (i = 0; mask > 1U << i; i++);
|
|
return i;
|
|
}
|
|
|
|
static VasEBoot_err_t
|
|
VasEBoot_video_sdl_setup (unsigned int width, unsigned int height,
|
|
unsigned int mode_type, unsigned int mode_mask __attribute__ ((unused)))
|
|
{
|
|
int depth;
|
|
int flags = 0;
|
|
VasEBoot_err_t err;
|
|
|
|
/* Decode depth from mode_type. If it is zero, then autodetect. */
|
|
depth = (mode_type & VAS_EBOOT_VIDEO_MODE_TYPE_DEPTH_MASK)
|
|
>> VAS_EBOOT_VIDEO_MODE_TYPE_DEPTH_POS;
|
|
|
|
if (depth == 0)
|
|
depth = 32;
|
|
|
|
if (width == 0 && height == 0)
|
|
{
|
|
width = 800;
|
|
height = 600;
|
|
}
|
|
|
|
#ifdef HAVE_SDL2
|
|
window = SDL_CreateWindow ("VasEBoot-emu",
|
|
SDL_WINDOWPOS_UNDEFINED,
|
|
SDL_WINDOWPOS_UNDEFINED,
|
|
width, height, flags);
|
|
if(window == NULL)
|
|
return VasEBoot_error (VAS_EBOOT_ERR_BAD_DEVICE, "could not open window: %s",
|
|
SDL_GetError ());
|
|
renderer = SDL_CreateRenderer (window, -1, 0);
|
|
if (renderer == NULL)
|
|
return VasEBoot_error (VAS_EBOOT_ERR_BAD_DEVICE, "could not open renderer: %s",
|
|
SDL_GetError ());
|
|
texture = SDL_CreateTexture (renderer,
|
|
SDL_PIXELFORMAT_ARGB8888,
|
|
SDL_TEXTUREACCESS_STREAMING,
|
|
width, height);
|
|
if (texture == NULL)
|
|
return VasEBoot_error (VAS_EBOOT_ERR_BAD_DEVICE, "could not create texture: %s",
|
|
SDL_GetError ());
|
|
|
|
/*
|
|
* An empty surface that acts as the pixel buffer, the texture will receive the pixels
|
|
* from here.
|
|
*/
|
|
surface = SDL_CreateRGBSurface (0, width, height, depth, 0, 0, 0, 0);
|
|
if (surface == NULL)
|
|
return VasEBoot_error (VAS_EBOOT_ERR_BAD_DEVICE, "could not open surface: %s",
|
|
SDL_GetError ());
|
|
#else
|
|
if ((mode_type & VAS_EBOOT_VIDEO_MODE_TYPE_DOUBLE_BUFFERED)
|
|
|| !(mode_mask & VAS_EBOOT_VIDEO_MODE_TYPE_DOUBLE_BUFFERED))
|
|
flags |= SDL_DOUBLEBUF;
|
|
|
|
window = SDL_SetVideoMode (width, height, depth, flags | SDL_HWSURFACE);
|
|
if (window == NULL)
|
|
window = SDL_SetVideoMode (width, height, depth, flags | SDL_SWSURFACE);
|
|
if (window == NULL)
|
|
return VasEBoot_error (VAS_EBOOT_ERR_BAD_DEVICE, "could not open window: %s",
|
|
SDL_GetError ());
|
|
|
|
surface = window;
|
|
#endif
|
|
VasEBoot_memset (&sdl_render_target, 0, sizeof (sdl_render_target));
|
|
|
|
mode_info.mode_type = 0;
|
|
mode_info.width = surface->w;
|
|
mode_info.height = surface->h;
|
|
#ifndef HAVE_SDL2
|
|
if (surface->flags & SDL_DOUBLEBUF)
|
|
mode_info.mode_type
|
|
|= VAS_EBOOT_VIDEO_MODE_TYPE_DOUBLE_BUFFERED;
|
|
#endif
|
|
if (surface->format->palette)
|
|
mode_info.mode_type |= VAS_EBOOT_VIDEO_MODE_TYPE_INDEX_COLOR;
|
|
else
|
|
mode_info.mode_type |= VAS_EBOOT_VIDEO_MODE_TYPE_RGB;
|
|
|
|
mode_info.bpp = surface->format->BitsPerPixel;
|
|
mode_info.bytes_per_pixel = surface->format->BytesPerPixel;
|
|
mode_info.pitch = surface->pitch;
|
|
|
|
/* In index color mode, number of colors. In RGB mode this is 256. */
|
|
if (surface->format->palette)
|
|
mode_info.number_of_colors
|
|
= 1 << surface->format->BitsPerPixel;
|
|
else
|
|
mode_info.number_of_colors = 256;
|
|
|
|
if (! surface->format->palette)
|
|
{
|
|
mode_info.red_mask_size
|
|
= get_mask_size (surface->format->Rmask >> surface->format->Rshift);
|
|
mode_info.red_field_pos = surface->format->Rshift;
|
|
mode_info.green_mask_size
|
|
= get_mask_size (surface->format->Gmask >> surface->format->Gshift);
|
|
mode_info.green_field_pos = surface->format->Gshift;
|
|
mode_info.blue_mask_size
|
|
= get_mask_size (surface->format->Bmask >> surface->format->Bshift);
|
|
mode_info.blue_field_pos = surface->format->Bshift;
|
|
mode_info.reserved_mask_size
|
|
= get_mask_size (surface->format->Amask >> surface->format->Ashift);
|
|
mode_info.reserved_field_pos = surface->format->Ashift;
|
|
mode_info.blit_format
|
|
= VasEBoot_video_get_blit_format (&mode_info);
|
|
}
|
|
|
|
err = VasEBoot_video_fb_create_render_target_from_pointer (&sdl_render_target,
|
|
&mode_info,
|
|
surface->pixels);
|
|
if (err)
|
|
return err;
|
|
|
|
/* Copy default palette to initialize emulated palette. */
|
|
VasEBoot_video_sdl_set_palette (0, VAS_EBOOT_VIDEO_FBSTD_NUMCOLORS,
|
|
VasEBoot_video_fbstd_colors);
|
|
|
|
/* Reset render target to SDL one. */
|
|
return VasEBoot_video_fb_set_active_render_target (sdl_render_target);
|
|
}
|
|
|
|
static VasEBoot_err_t
|
|
VasEBoot_video_sdl_set_palette (unsigned int start, unsigned int count,
|
|
struct VasEBoot_video_palette_data *palette_data)
|
|
{
|
|
unsigned i;
|
|
if (surface->format->palette)
|
|
{
|
|
SDL_Color *tmp;
|
|
if (start >= mode_info.number_of_colors)
|
|
return VAS_EBOOT_ERR_NONE;
|
|
|
|
if (start + count > mode_info.number_of_colors)
|
|
count = mode_info.number_of_colors - start;
|
|
|
|
tmp = VasEBoot_calloc (count, sizeof (tmp[0]));
|
|
for (i = 0; i < count; i++)
|
|
{
|
|
tmp[i].r = palette_data[i].r;
|
|
tmp[i].g = palette_data[i].g;
|
|
tmp[i].b = palette_data[i].b;
|
|
#ifdef HAVE_SDL2
|
|
tmp[i].a = palette_data[i].a;
|
|
#else
|
|
tmp[i].unused = palette_data[i].a;
|
|
#endif
|
|
}
|
|
#ifdef HAVE_SDL2
|
|
SDL_SetPaletteColors (surface->format->palette, tmp, 0 /* firstcolor */, count);
|
|
#else
|
|
SDL_SetColors (window, tmp, start, count);
|
|
#endif
|
|
VasEBoot_free (tmp);
|
|
}
|
|
|
|
return VasEBoot_video_fb_set_palette (start, count, palette_data);
|
|
}
|
|
|
|
static VasEBoot_err_t
|
|
VasEBoot_video_sdl_swap_buffers (void)
|
|
{
|
|
#ifdef HAVE_SDL2
|
|
if (SDL_UpdateTexture (texture, NULL, surface->pixels, surface->w * sizeof (Uint32)) < 0)
|
|
return VasEBoot_error (VAS_EBOOT_ERR_BAD_DEVICE, "could not update texture: %s",
|
|
SDL_GetError ());
|
|
if (SDL_RenderClear (renderer) < 0)
|
|
return VasEBoot_error (VAS_EBOOT_ERR_BAD_DEVICE, "could not clear renderer: %s",
|
|
SDL_GetError ());
|
|
if (SDL_RenderCopy (renderer, texture, NULL, NULL) < 0)
|
|
return VasEBoot_error (VAS_EBOOT_ERR_BAD_DEVICE, "could not copy texture to renderer: %s",
|
|
SDL_GetError ());
|
|
SDL_RenderPresent (renderer);
|
|
#else
|
|
if (SDL_Flip (window) < 0)
|
|
return VasEBoot_error (VAS_EBOOT_ERR_BAD_DEVICE, "could not swap buffers: %s",
|
|
SDL_GetError ());
|
|
#endif
|
|
return VAS_EBOOT_ERR_NONE;
|
|
}
|
|
|
|
static VasEBoot_err_t
|
|
VasEBoot_video_sdl_set_active_render_target (struct VasEBoot_video_render_target *target)
|
|
{
|
|
if (target == VAS_EBOOT_VIDEO_RENDER_TARGET_DISPLAY)
|
|
return VasEBoot_video_fb_set_active_render_target (sdl_render_target);
|
|
|
|
return VasEBoot_video_fb_set_active_render_target (target);
|
|
}
|
|
|
|
static struct VasEBoot_video_adapter VasEBoot_video_sdl_adapter =
|
|
{
|
|
.name = "SDL Video Driver",
|
|
.id = VAS_EBOOT_VIDEO_DRIVER_SDL,
|
|
|
|
.prio = VAS_EBOOT_VIDEO_ADAPTER_PRIO_FIRMWARE,
|
|
|
|
.init = VasEBoot_video_sdl_init,
|
|
.fini = VasEBoot_video_sdl_fini,
|
|
.setup = VasEBoot_video_sdl_setup,
|
|
.get_info = VasEBoot_video_fb_get_info,
|
|
.set_palette = VasEBoot_video_sdl_set_palette,
|
|
.get_palette = VasEBoot_video_fb_get_palette,
|
|
.set_viewport = VasEBoot_video_fb_set_viewport,
|
|
.get_viewport = VasEBoot_video_fb_get_viewport,
|
|
.set_region = VasEBoot_video_fb_set_region,
|
|
.get_region = VasEBoot_video_fb_get_region,
|
|
.set_area_status = VasEBoot_video_fb_set_area_status,
|
|
.get_area_status = VasEBoot_video_fb_get_area_status,
|
|
.map_color = VasEBoot_video_fb_map_color,
|
|
.map_rgb = VasEBoot_video_fb_map_rgb,
|
|
.map_rgba = VasEBoot_video_fb_map_rgba,
|
|
.unmap_color = VasEBoot_video_fb_unmap_color,
|
|
.fill_rect = VasEBoot_video_fb_fill_rect,
|
|
.blit_bitmap = VasEBoot_video_fb_blit_bitmap,
|
|
.blit_render_target = VasEBoot_video_fb_blit_render_target,
|
|
.scroll = VasEBoot_video_fb_scroll,
|
|
.swap_buffers = VasEBoot_video_sdl_swap_buffers,
|
|
.create_render_target = VasEBoot_video_fb_create_render_target,
|
|
.delete_render_target = VasEBoot_video_fb_delete_render_target,
|
|
.set_active_render_target = VasEBoot_video_sdl_set_active_render_target,
|
|
.get_active_render_target = VasEBoot_video_fb_get_active_render_target,
|
|
|
|
.next = 0
|
|
};
|
|
|
|
VAS_EBOOT_MOD_INIT(sdl)
|
|
{
|
|
VasEBoot_video_register (&VasEBoot_video_sdl_adapter);
|
|
}
|
|
|
|
VAS_EBOOT_MOD_FINI(sdl)
|
|
{
|
|
VasEBoot_video_unregister (&VasEBoot_video_sdl_adapter);
|
|
}
|