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RetroArch/gfx/drivers/gx_gfx.c

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/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2015 - Daniel De Matteis
* Copyright (C) 2012-2015 - Michael Lelli
*
* RetroArch 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 Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch 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 RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include "../../driver.h"
#include "../../general.h"
#include "../drivers_font_renderer/bitmap.h"
#include "../../menu/menu_driver.h"
#include "../video_viewport.h"
#include "../video_monitor.h"
#ifdef HW_RVL
#include "../../wii/mem2_manager.h"
#endif
#include <gccore.h>
#include <ogcsys.h>
#include <malloc.h>
#include <stdlib.h>
#include <string.h>
#include "ppc_asm.h"
#include "gx_gfx_inl.h"
#include "gx_sdk_defines.h"
struct gx_overlay_data
{
GXTexObj tex;
float tex_coord[8];
float vertex_coord[8];
float alpha_mod;
};
typedef struct gx_video
{
bool should_resize;
bool keep_aspect;
bool double_strike;
bool rgb32;
uint32_t *menu_data; /* FIXME: Should be const uint16_t*. */
bool menu_texture_enable;
video_viewport_t vp;
unsigned scale;
#ifdef HAVE_OVERLAY
struct gx_overlay_data *overlay;
unsigned overlays;
bool overlay_enable;
bool overlay_full_screen;
#endif
} gx_video_t;
#define SYSMEM1_SIZE 0x01800000
void *g_framebuf[2];
unsigned g_current_framebuf;
bool g_vsync;
OSCond g_video_cond;
volatile bool g_draw_done;
uint32_t g_orientation;
static struct
{
uint32_t *data; /* needs to be resizable. */
unsigned width;
unsigned height;
GXTexObj obj;
} g_tex;
static struct
{
uint32_t data[240 * 200];
GXTexObj obj;
} menu_tex ATTRIBUTE_ALIGN(32);
uint8_t gx_fifo[256 * 1024] ATTRIBUTE_ALIGN(32);
uint8_t display_list[1024] ATTRIBUTE_ALIGN(32);
uint16_t gx_width, gx_height;
size_t display_list_size;
GXRModeObj gx_mode;
unsigned gx_old_width, gx_old_height;
static u8 _gxtexmode0ids[8] = {0x80,0x81,0x82,0x83,0xA0,0xA1,0xA2,0xA3};
static u8 _gxtexmode1ids[8] = {0x84,0x85,0x86,0x87,0xA4,0xA5,0xA6,0xA7};
static u8 _gxteximg0ids[8] = {0x88,0x89,0x8A,0x8B,0xA8,0xA9,0xAA,0xAB};
static u8 _gxteximg3ids[8] = {0x94,0x95,0x96,0x97,0xB4,0xB5,0xB6,0xB7};
float verts[16] ATTRIBUTE_ALIGN(32) = {
-1, 1, -0.5,
1, 1, -0.5,
-1, -1, -0.5,
1, -1, -0.5,
};
float vertex_ptr[8] ATTRIBUTE_ALIGN(32) = {
0, 0,
1, 0,
0, 1,
1, 1,
};
u8 color_ptr[16] ATTRIBUTE_ALIGN(32) = {
0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF,
};
enum
{
GX_RESOLUTIONS_512_192 = 0,
GX_RESOLUTIONS_598_200,
GX_RESOLUTIONS_640_200,
GX_RESOLUTIONS_384_224,
GX_RESOLUTIONS_448_224,
GX_RESOLUTIONS_480_224,
GX_RESOLUTIONS_512_224,
GX_RESOLUTIONS_576_224,
GX_RESOLUTIONS_608_224,
GX_RESOLUTIONS_640_224,
GX_RESOLUTIONS_340_232,
GX_RESOLUTIONS_512_232,
GX_RESOLUTIONS_512_236,
GX_RESOLUTIONS_336_240,
GX_RESOLUTIONS_352_240,
GX_RESOLUTIONS_384_240,
GX_RESOLUTIONS_512_240,
GX_RESOLUTIONS_530_240,
GX_RESOLUTIONS_608_240,
GX_RESOLUTIONS_640_240,
GX_RESOLUTIONS_512_384,
GX_RESOLUTIONS_598_400,
GX_RESOLUTIONS_640_400,
GX_RESOLUTIONS_384_448,
GX_RESOLUTIONS_448_448,
GX_RESOLUTIONS_480_448,
GX_RESOLUTIONS_512_448,
GX_RESOLUTIONS_576_448,
GX_RESOLUTIONS_608_448,
GX_RESOLUTIONS_640_448,
GX_RESOLUTIONS_340_464,
GX_RESOLUTIONS_512_464,
GX_RESOLUTIONS_512_472,
GX_RESOLUTIONS_352_480,
GX_RESOLUTIONS_384_480,
GX_RESOLUTIONS_512_480,
GX_RESOLUTIONS_530_480,
GX_RESOLUTIONS_608_480,
GX_RESOLUTIONS_640_480,
GX_RESOLUTIONS_LAST,
};
static unsigned menu_current_gx_resolution = GX_RESOLUTIONS_640_480;
unsigned menu_gx_resolutions[GX_RESOLUTIONS_LAST][2] = {
{ 512, 192 },
{ 598, 200 },
{ 640, 200 },
{ 384, 224 },
{ 448, 224 },
{ 480, 224 },
{ 512, 224 },
{ 576, 224 },
{ 608, 224 },
{ 640, 224 },
{ 340, 232 },
{ 512, 232 },
{ 512, 236 },
{ 336, 240 },
{ 352, 240 },
{ 384, 240 },
{ 512, 240 },
{ 530, 240 },
{ 608, 240 },
{ 640, 240 },
{ 512, 384 },
{ 598, 400 },
{ 640, 400 },
{ 384, 448 },
{ 448, 448 },
{ 480, 448 },
{ 512, 448 },
{ 576, 448 },
{ 608, 448 },
{ 640, 448 },
{ 340, 464 },
{ 512, 464 },
{ 512, 472 },
{ 352, 480 },
{ 384, 480 },
{ 512, 480 },
{ 530, 480 },
{ 608, 480 },
{ 640, 480 },
};
extern unsigned menu_current_gx_resolution;
static void retrace_callback(u32 retrace_count)
{
(void)retrace_count;
g_draw_done = true;
OSSignalCond(g_video_cond);
}
#ifdef HAVE_OVERLAY
static void gx_render_overlay(void *data);
static void gx_free_overlay(gx_video_t *gx)
{
free(gx->overlay);
gx->overlay = NULL;
gx->overlays = 0;
GX_InvalidateTexAll();
}
#endif
static void gx_set_video_mode(void *data, unsigned fbWidth, unsigned lines,
bool fullscreen)
{
unsigned modetype, level, viHeightMultiplier, viWidth, tvmode,
max_width, max_height, i;
bool progressive;
gx_video_t *gx = (gx_video_t*)data;
menu_handle_t *menu = menu_driver_resolve();
(void)level;
_CPU_ISR_Disable(level);
VISetBlack(true);
VIFlush();
viHeightMultiplier = 1;
viWidth = g_settings.video.viwidth;
#if defined(HW_RVL)
progressive = CONF_GetProgressiveScan() > 0 && VIDEO_HaveComponentCable();
switch (CONF_GetVideo())
{
case CONF_VIDEO_PAL:
if (CONF_GetEuRGB60() > 0)
tvmode = VI_EURGB60;
else
tvmode = VI_PAL;
break;
case CONF_VIDEO_MPAL:
tvmode = VI_MPAL;
break;
default:
tvmode = VI_NTSC;
break;
}
#else
progressive = VIDEO_HaveComponentCable();
tvmode = VIDEO_GetCurrentTvMode();
#endif
switch (tvmode)
{
case VI_PAL:
max_width = VI_MAX_WIDTH_PAL;
max_height = /* VI_MAX_HEIGHT_PAL */ 574;
break;
case VI_MPAL:
max_width = VI_MAX_WIDTH_MPAL;
max_height = VI_MAX_HEIGHT_MPAL;
break;
case VI_EURGB60:
max_width = VI_MAX_WIDTH_NTSC;
max_height = VI_MAX_HEIGHT_NTSC;
break;
default:
tvmode = VI_NTSC;
max_width = VI_MAX_WIDTH_EURGB60;
max_height = VI_MAX_HEIGHT_EURGB60;
break;
}
if (lines == 0 || fbWidth == 0)
{
GXRModeObj tmp_mode;
VIDEO_GetPreferredMode(&tmp_mode);
fbWidth = tmp_mode.fbWidth;
lines = tmp_mode.xfbHeight;
}
if (lines <= max_height / 2)
{
modetype = VI_NON_INTERLACE;
viHeightMultiplier = 2;
}
else
{
modetype = (progressive) ? VI_PROGRESSIVE : VI_INTERLACE;
}
if (lines > max_height)
lines = max_height;
if (fbWidth > max_width)
fbWidth = max_width;
gx_mode.viTVMode = VI_TVMODE(tvmode, modetype);
gx_mode.fbWidth = fbWidth;
gx_mode.efbHeight = min(lines, 480);
if (modetype == VI_NON_INTERLACE && lines > max_height / 2)
gx_mode.xfbHeight = max_height / 2;
else if (modetype != VI_NON_INTERLACE && lines > max_height)
gx_mode.xfbHeight = max_height;
else
gx_mode.xfbHeight = lines;
gx_mode.viWidth = viWidth;
gx_mode.viHeight = gx_mode.xfbHeight * viHeightMultiplier;
gx_mode.viXOrigin = (max_width - gx_mode.viWidth) / 2;
gx_mode.viYOrigin =
(max_height - gx_mode.viHeight) / (2 * viHeightMultiplier);
gx_mode.xfbMode = modetype == VI_INTERLACE ? VI_XFBMODE_DF : VI_XFBMODE_SF;
gx_mode.field_rendering = GX_FALSE;
gx_mode.aa = GX_FALSE;
for (i = 0; i < 12; i++)
gx_mode.sample_pattern[i][0] = gx_mode.sample_pattern[i][1] = 6;
if (modetype == VI_INTERLACE)
{
gx_mode.vfilter[0] = 8;
gx_mode.vfilter[1] = 8;
gx_mode.vfilter[2] = 10;
gx_mode.vfilter[3] = 12;
gx_mode.vfilter[4] = 10;
gx_mode.vfilter[5] = 8;
gx_mode.vfilter[6] = 8;
}
else
{
gx_mode.vfilter[0] = 0;
gx_mode.vfilter[1] = 0;
gx_mode.vfilter[2] = 21;
gx_mode.vfilter[3] = 22;
gx_mode.vfilter[4] = 21;
gx_mode.vfilter[5] = 0;
gx_mode.vfilter[6] = 0;
}
gx->vp.full_width = gx_mode.fbWidth;
gx->vp.full_height = gx_mode.xfbHeight;
gx->double_strike = (modetype == VI_NON_INTERLACE);
gx->should_resize = true;
VIConfigure(&gx_mode);
VIDEO_ClearFrameBuffer(&gx_mode, g_framebuf[0], COLOR_BLACK);
VIDEO_ClearFrameBuffer(&gx_mode, g_framebuf[1], COLOR_BLACK);
VISetNextFrameBuffer(g_framebuf[0]);
VISetPostRetraceCallback(retrace_callback);
VISetBlack(false);
VIFlush();
GX_SetViewportJitter(0, 0, gx_mode.fbWidth, gx_mode.efbHeight, 0, 1, 1);
GX_SetDispCopySrc(0, 0, gx_mode.fbWidth, gx_mode.efbHeight);
f32 y_scale = GX_GetYScaleFactor(gx_mode.efbHeight, gx_mode.xfbHeight);
u16 xfbWidth = VIPadFrameBufferWidth(gx_mode.fbWidth);
u16 xfbHeight = GX_SetDispCopyYScale(y_scale);
(void)xfbHeight;
GX_SetDispCopyDst(xfbWidth, xfbHeight);
GX_SetCopyFilter(gx_mode.aa, gx_mode.sample_pattern,
(gx_mode.xfbMode == VI_XFBMODE_SF) ? GX_FALSE : g_settings.video.vfilter,
gx_mode.vfilter);
GXColor color = { 0, 0, 0, 0xff };
GX_SetCopyClear(color, GX_MAX_Z24);
GX_SetFieldMode(gx_mode.field_rendering,
(gx_mode.viHeight == 2 * gx_mode.xfbHeight) ? GX_ENABLE : GX_DISABLE);
GX_SetPixelFmt(GX_PF_RGB8_Z24, GX_ZC_LINEAR);
GX_InvalidateTexAll();
GX_Flush();
_CPU_ISR_Restore(level);
RARCH_LOG("GX Resolution: %dx%d (%s)\n", gx_mode.fbWidth,
gx_mode.efbHeight, (gx_mode.viTVMode & 3) == VI_INTERLACE
? "interlaced" : "progressive");
if (menu)
{
menu->frame_buf.height = gx_mode.efbHeight / (gx->double_strike ? 1 : 2);
menu->frame_buf.height &= ~3;
if (menu->frame_buf.height > 240)
menu->frame_buf.height = 240;
menu->frame_buf.width = gx_mode.fbWidth / (gx_mode.fbWidth < 400 ? 1 : 2);
menu->frame_buf.width &= ~3;
if (menu->frame_buf.width > 400)
menu->frame_buf.width = 400;
menu->frame_buf.pitch = menu->frame_buf.width * 2;
}
if (tvmode == VI_PAL)
{
if (modetype == VI_NON_INTERLACE)
driver_set_refresh_rate(50.0801f);
else
driver_set_refresh_rate(50.0f);
}
else
{
if (modetype == VI_NON_INTERLACE)
driver_set_refresh_rate(59.8261f);
else
driver_set_refresh_rate(59.94f);
}
/* custom viewports for older resolutions will most likely be corrupted, reset them */
g_extern.console.screen.viewports.custom_vp.x = 0;
g_extern.console.screen.viewports.custom_vp.y = 0;
g_extern.console.screen.viewports.custom_vp.width = 0;
g_extern.console.screen.viewports.custom_vp.height = 0;
g_current_framebuf = 0;
}
static void gx_set_aspect_ratio(void *data, unsigned aspect_ratio_idx)
{
gx_video_t *gx = (gx_video_t*)driver.video_data;
if (aspect_ratio_idx == ASPECT_RATIO_SQUARE)
video_viewport_set_square_pixel(
g_extern.system.av_info.geometry.base_width,
g_extern.system.av_info.geometry.base_height);
else if (aspect_ratio_idx == ASPECT_RATIO_CORE)
video_viewport_set_core();
else if (aspect_ratio_idx == ASPECT_RATIO_CONFIG)
video_viewport_set_config();
g_extern.system.aspect_ratio = aspectratio_lut[aspect_ratio_idx].value;
if (gx)
{
gx->keep_aspect = true;
gx->should_resize = true;
}
}
static void setup_video_mode(void *data)
{
unsigned i;
if (!g_framebuf[0])
for (i = 0; i < 2; i++)
g_framebuf[i] = MEM_K0_TO_K1(
memalign(32, 640 * 576 * VI_DISPLAY_PIX_SZ));
g_current_framebuf = 0;
g_draw_done = true;
g_orientation = ORIENTATION_NORMAL;
OSInitThreadQueue(&g_video_cond);
VIDEO_GetPreferredMode(&gx_mode);
gx_set_video_mode(data, 0, 0, true);
}
static void init_texture(void *data, unsigned width, unsigned height)
{
unsigned g_filter, menu_w, menu_h;
struct __gx_regdef *__gx = (struct __gx_regdef*)__gxregs;
gx_video_t *gx = (gx_video_t*)data;
struct __gx_texobj *fb_ptr = (struct __gx_texobj*)&g_tex.obj;
struct __gx_texobj *menu_ptr = (struct __gx_texobj*)&menu_tex.obj;
menu_handle_t *menu = menu_driver_resolve();
width &= ~3;
height &= ~3;
g_filter = g_settings.video.smooth ? GX_LINEAR : GX_NEAR;
menu_w = 320;
menu_h = 240;
if (menu)
{
menu_w = menu->frame_buf.width;
menu_h = menu->frame_buf.height;
}
__GX_InitTexObj(fb_ptr, g_tex.data, width, height,
(gx->rgb32) ? GX_TF_RGBA8 : gx->menu_texture_enable ?
GX_TF_RGB5A3 : GX_TF_RGB565,
GX_CLAMP, GX_CLAMP, GX_FALSE);
__GX_InitTexObjFilterMode(fb_ptr, g_filter, g_filter);
__GX_InitTexObj(menu_ptr, menu_tex.data, menu_w, menu_h,
GX_TF_RGB5A3, GX_CLAMP, GX_CLAMP, GX_FALSE);
__GX_InitTexObjFilterMode(menu_ptr, g_filter, g_filter);
__GX_InvalidateTexAll(__gx);
}
static void init_vtx(void *data, const video_info_t *video)
{
gx_video_t *gx = (gx_video_t*)data;
GX_SetCullMode(GX_CULL_NONE);
GX_SetClipMode(GX_CLIP_DISABLE);
GX_SetPixelFmt(GX_PF_RGB8_Z24, GX_ZC_LINEAR);
GX_SetZMode(GX_ENABLE, GX_ALWAYS, GX_ENABLE);
GX_SetColorUpdate(GX_TRUE);
GX_SetAlphaUpdate(GX_FALSE);
Mtx44 m;
guOrtho(m, 1, -1, -1, 1, 0.4, 0.6);
GX_LoadProjectionMtx(m, GX_ORTHOGRAPHIC);
GX_ClearVtxDesc();
GX_SetVtxDesc(GX_VA_POS, GX_INDEX8);
GX_SetVtxDesc(GX_VA_TEX0, GX_INDEX8);
GX_SetVtxDesc(GX_VA_CLR0, GX_INDEX8);
GX_SetVtxAttrFmt(GX_VTXFMT0, GX_VA_POS, GX_POS_XYZ, GX_F32, 0);
GX_SetVtxAttrFmt(GX_VTXFMT0, GX_VA_TEX0, GX_TEX_ST, GX_F32, 0);
GX_SetVtxAttrFmt(GX_VTXFMT0, GX_VA_CLR0, GX_CLR_RGBA, GX_RGBA8, 0);
GX_SetArray(GX_VA_POS, verts, 3 * sizeof(float));
GX_SetArray(GX_VA_TEX0, vertex_ptr, 2 * sizeof(float));
GX_SetArray(GX_VA_CLR0, color_ptr, 4 * sizeof(u8));
GX_SetNumTexGens(1);
GX_SetNumChans(1);
GX_SetChanCtrl(GX_COLOR0A0, GX_DISABLE, GX_SRC_REG,
GX_SRC_VTX, GX_LIGHTNULL, GX_DF_NONE, GX_AF_NONE);
GX_SetTevOp(GX_TEVSTAGE0, GX_MODULATE);
GX_SetTevOrder(GX_TEVSTAGE0, GX_TEXCOORD0, GX_TEXMAP0, GX_COLOR0A0);
GX_InvVtxCache();
GX_SetBlendMode(GX_BM_BLEND, GX_BL_SRCALPHA,
GX_BL_INVSRCALPHA, GX_LO_CLEAR);
if (gx->scale != video->input_scale ||
gx->rgb32 != video->rgb32)
{
RARCH_LOG("[GX] reallocate texture\n");
free(g_tex.data);
g_tex.data = memalign(32,
RARCH_SCALE_BASE * RARCH_SCALE_BASE * video->input_scale *
video->input_scale * (video->rgb32 ? 4 : 2));
g_tex.width = g_tex.height = RARCH_SCALE_BASE * video->input_scale;
if (!g_tex.data)
{
RARCH_ERR("[GX] Error allocating video texture\n");
exit(1);
}
}
DCFlushRange(g_tex.data, g_tex.width *
g_tex.height * video->rgb32 ? 4 : 2);
gx->rgb32 = video->rgb32;
gx->scale = video->input_scale;
gx->should_resize = true;
init_texture(data, g_tex.width, g_tex.height);
GX_Flush();
}
static void build_disp_list(void)
{
DCInvalidateRange(display_list, sizeof(display_list));
GX_BeginDispList(display_list, sizeof(display_list));
GX_Begin(GX_TRIANGLESTRIP, GX_VTXFMT0, 4);
for (unsigned i = 0; i < 4; i++)
{
GX_Position1x8(i);
GX_Color1x8(i);
GX_TexCoord1x8(i);
}
GX_End();
display_list_size = GX_EndDispList();
}
#if 0
#define TAKE_EFB_SCREENSHOT_ON_EXIT
#endif
#ifdef TAKE_EFB_SCREENSHOT_ON_EXIT
/* Adapted from code by Crayon for GRRLIB (http://code.google.com/p/grrlib) */
static void gx_efb_screenshot(void)
{
int x, y;
uint8_t tga_header[] = {0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x02, 0xE0, 0x01, 0x18, 0x00};
FILE *out = fopen("/screenshot.tga", "wb");
if (!out)
return;
fwrite(tga_header, 1, sizeof(tga_header), out);
for (y = 479; y >= 0; --y)
{
uint8_t line[640 * 3];
unsigned i = 0;
for (x = 0; x < 640; x++)
{
GXColor color;
GX_PeekARGB(x, y, &color);
line[i++] = color.b;
line[i++] = color.g;
line[i++] = color.r;
}
fwrite(line, 1, sizeof(line), out);
}
fclose(out);
}
#endif
static void *gx_init(const video_info_t *video,
const input_driver_t **input, void **input_data)
{
gx_video_t *gx = (gx_video_t*)calloc(1, sizeof(gx_video_t));
if (!gx)
return NULL;
void *gxinput = input_gx.init();
*input = gxinput ? &input_gx : NULL;
*input_data = gxinput;
VIInit();
GX_Init(gx_fifo, sizeof(gx_fifo));
g_vsync = video->vsync;
setup_video_mode(gx);
init_vtx(gx, video);
build_disp_list();
gx->vp.full_width = gx_mode.fbWidth;
gx->vp.full_height = gx_mode.xfbHeight;
gx->should_resize = true;
gx_old_width = gx_old_height = 0;
return gx;
}
#define ASM_BLITTER
#ifdef ASM_BLITTER
static void update_texture_asm(const uint32_t *src, const uint32_t *dst,
unsigned width, unsigned height, unsigned pitch)
{
register uint32_t tmp0, tmp1, tmp2, tmp3, line2, line2b,
line3, line3b, line4, line4b, line5;
asm volatile (
" srwi %[width], %[width], 2 \n"
" srwi %[height], %[height], 2 \n"
" subi %[tmp3], %[dst], 4 \n"
" mr %[dst], %[tmp3] \n"
" subi %[dst], %[dst], 4 \n"
" mr %[line2], %[pitch] \n"
" addi %[line2b], %[line2], 4 \n"
" mulli %[line3], %[pitch], 2 \n"
" addi %[line3b], %[line3], 4 \n"
" mulli %[line4], %[pitch], 3 \n"
" addi %[line4b], %[line4], 4 \n"
" mulli %[line5], %[pitch], 4 \n"
"2: mtctr %[width] \n"
" mr %[tmp0], %[src] \n"
"1: lwz %[tmp1], 0(%[src]) \n"
" stwu %[tmp1], 8(%[dst]) \n"
" lwz %[tmp2], 4(%[src]) \n"
" stwu %[tmp2], 8(%[tmp3]) \n"
" lwzx %[tmp1], %[line2], %[src] \n"
" stwu %[tmp1], 8(%[dst]) \n"
" lwzx %[tmp2], %[line2b], %[src] \n"
" stwu %[tmp2], 8(%[tmp3]) \n"
" lwzx %[tmp1], %[line3], %[src] \n"
" stwu %[tmp1], 8(%[dst]) \n"
" lwzx %[tmp2], %[line3b], %[src] \n"
" stwu %[tmp2], 8(%[tmp3]) \n"
" lwzx %[tmp1], %[line4], %[src] \n"
" stwu %[tmp1], 8(%[dst]) \n"
" lwzx %[tmp2], %[line4b], %[src] \n"
" stwu %[tmp2], 8(%[tmp3]) \n"
" addi %[src], %[src], 8 \n"
" bdnz 1b \n"
" add %[src], %[tmp0], %[line5] \n"
" subic. %[height], %[height], 1 \n"
" bne 2b \n"
: [tmp0] "=&b" (tmp0),
[tmp1] "=&b" (tmp1),
[tmp2] "=&b" (tmp2),
[tmp3] "=&b" (tmp3),
[line2] "=&b" (line2),
[line2b] "=&b" (line2b),
[line3] "=&b" (line3),
[line3b] "=&b" (line3b),
[line4] "=&b" (line4),
[line4b] "=&b" (line4b),
[line5] "=&b" (line5),
[dst] "+&b" (dst)
: [src] "b" (src),
[width] "b" (width),
[height] "b" (height),
[pitch] "b" (pitch)
: "cc"
);
}
#endif
#define BLIT_LINE_16(off) \
{ \
const uint32_t *tmp_src = src; \
uint32_t *tmp_dst = dst; \
for (unsigned x = 0; x < width2 >> 1; x++, tmp_src += 2, tmp_dst += 8) \
{ \
tmp_dst[ 0 + off] = BLIT_LINE_16_CONV(tmp_src[0]); \
tmp_dst[ 1 + off] = BLIT_LINE_16_CONV(tmp_src[1]); \
} \
src += tmp_pitch; \
}
#define BLIT_LINE_32(off) \
{ \
const uint16_t *tmp_src = src; \
uint16_t *tmp_dst = dst; \
for (unsigned x = 0; x < width2 >> 3; x++, tmp_src += 8, tmp_dst += 32) \
{ \
tmp_dst[ 0 + off] = tmp_src[0] | 0xFF00; \
tmp_dst[ 16 + off] = tmp_src[1]; \
tmp_dst[ 1 + off] = tmp_src[2] | 0xFF00; \
tmp_dst[ 17 + off] = tmp_src[3]; \
tmp_dst[ 2 + off] = tmp_src[4] | 0xFF00; \
tmp_dst[ 18 + off] = tmp_src[5]; \
tmp_dst[ 3 + off] = tmp_src[6] | 0xFF00; \
tmp_dst[ 19 + off] = tmp_src[7]; \
} \
src += tmp_pitch; \
}
static void convert_texture16(const uint32_t *_src, uint32_t *_dst,
unsigned width, unsigned height, unsigned pitch)
{
#ifdef ASM_BLITTER
width &= ~3;
height &= ~3;
update_texture_asm(_src, _dst, width, height, pitch);
#else
width &= ~3;
height &= ~3;
unsigned tmp_pitch = pitch >> 2;
unsigned width2 = width >> 1;
/* Texture data is 4x4 tiled @ 16bpp.
* Use 32-bit to transfer more data per cycle.
*/
const uint32_t *src = _src;
uint32_t *dst = _dst;
for (unsigned i = 0; i < height; i += 4, dst += 4 * width2)
{
#define BLIT_LINE_16_CONV(x) x
BLIT_LINE_16(0)
BLIT_LINE_16(2)
BLIT_LINE_16(4)
BLIT_LINE_16(6)
#undef BLIT_LINE_16_CONV
}
#endif
}
static void convert_texture16_conv(const uint32_t *_src, uint32_t *_dst,
unsigned width, unsigned height, unsigned pitch)
{
unsigned i, tmp_pitch, width2;
width &= ~3;
height &= ~3;
tmp_pitch = pitch >> 2;
width2 = width >> 1;
const uint32_t *src = (const uint32_t*)_src;
uint32_t *dst = (uint32_t*)_dst;
for (i = 0; i < height; i += 4, dst += 4 * width2)
{
#define BLIT_LINE_16_CONV(x) (0x80008000 | (((x) & 0xFFC0FFC0) >> 1) | ((x) & 0x001F001F))
BLIT_LINE_16(0)
BLIT_LINE_16(2)
BLIT_LINE_16(4)
BLIT_LINE_16(6)
#undef BLIT_LINE_16_CONV
}
}
static void convert_texture32(const uint32_t *_src, uint32_t *_dst,
unsigned width, unsigned height, unsigned pitch)
{
unsigned i, tmp_pitch, width2;
width &= ~3;
height &= ~3;
tmp_pitch = pitch >> 1;
width2 = width << 1;
const uint16_t *src = (uint16_t *) _src;
uint16_t *dst = (uint16_t *) _dst;
for (i = 0; i < height; i += 4, dst += 4 * width2)
{
BLIT_LINE_32(0)
BLIT_LINE_32(4)
BLIT_LINE_32(8)
BLIT_LINE_32(12)
}
}
static void gx_resize(void *data)
{
gx_video_t *gx = (gx_video_t*)data;
int x = 0, y = 0;
unsigned width = gx->vp.full_width, height = gx->vp.full_height;
#ifdef HW_RVL
VIDEO_SetTrapFilter(g_extern.console.softfilter_enable);
#endif
GX_SetDispCopyGamma(g_extern.console.screen.gamma_correction);
if (gx->keep_aspect && gx_mode.efbHeight >= 240) /* ignore this for custom resolutions */
{
float desired_aspect = g_extern.system.aspect_ratio;
if (desired_aspect == 0.0)
desired_aspect = 1.0;
#ifdef HW_RVL
float device_aspect = CONF_GetAspectRatio() == CONF_ASPECT_4_3 ?
4.0 / 3.0 : 16.0 / 9.0;
#else
float device_aspect = 4.0 / 3.0;
#endif
if (g_orientation == ORIENTATION_VERTICAL ||
g_orientation == ORIENTATION_FLIPPED_ROTATED)
desired_aspect = 1.0 / desired_aspect;
float delta;
#ifdef RARCH_CONSOLE
if (g_settings.video.aspect_ratio_idx == ASPECT_RATIO_CUSTOM)
{
if (!g_extern.console.screen.viewports.custom_vp.width ||
!g_extern.console.screen.viewports.custom_vp.height)
{
g_extern.console.screen.viewports.custom_vp.x = 0;
g_extern.console.screen.viewports.custom_vp.y = 0;
g_extern.console.screen.viewports.custom_vp.width = gx->vp.full_width;
g_extern.console.screen.viewports.custom_vp.height = gx->vp.full_height;
}
x = g_extern.console.screen.viewports.custom_vp.x;
y = g_extern.console.screen.viewports.custom_vp.y;
width = g_extern.console.screen.viewports.custom_vp.width;
height = g_extern.console.screen.viewports.custom_vp.height;
}
else
#endif
{
if (fabs(device_aspect - desired_aspect) < 0.0001)
{
/* If the aspect ratios of screen and desired aspect ratio
* are sufficiently equal (floating point stuff),
* assume they are actually equal. */
}
else if (device_aspect > desired_aspect)
{
delta = (desired_aspect / device_aspect - 1.0) / 2.0 + 0.5;
x = (unsigned)(width * (0.5 - delta));
width = (unsigned)(2.0 * width * delta);
}
else
{
delta = (device_aspect / desired_aspect - 1.0) / 2.0 + 0.5;
y = (unsigned)(height * (0.5 - delta));
height = (unsigned)(2.0 * height * delta);
}
}
}
gx->vp.x = x;
gx->vp.y = y;
gx->vp.width = width;
gx->vp.height = height;
GX_SetViewportJitter(x, y, width, height, 0, 1, 1);
Mtx44 m1, m2;
float top = 1, bottom = -1, left = -1, right = 1;
guOrtho(m1, top, bottom, left, right, 0, 1);
GX_LoadPosMtxImm(m1, GX_PNMTX1);
unsigned degrees;
switch(g_orientation)
{
case ORIENTATION_VERTICAL:
degrees = 90;
break;
case ORIENTATION_FLIPPED:
degrees = 180;
break;
case ORIENTATION_FLIPPED_ROTATED:
degrees = 270;
break;
default:
degrees = 0;
break;
}
guMtxIdentity(m2);
guMtxRotDeg(m2, 'Z', degrees);
guMtxConcat(m1, m2, m1);
GX_LoadPosMtxImm(m1, GX_PNMTX0);
init_texture(data, 4, 4);
gx_old_width = gx_old_height = 0;
gx->should_resize = false;
}
static void gx_blit_line(unsigned x, unsigned y, const char *message)
{
gx_video_t *gx = (gx_video_t*)driver.video_data;
const GXColor b = {
.r = 0x00,
.g = 0x00,
.b = 0x00,
.a = 0xff
};
const GXColor w = {
.r = 0xff,
.g = 0xff,
.b = 0xff,
.a = 0xff
};
unsigned h;
if (!*message)
return;
bool double_width = gx_mode.fbWidth > 400;
unsigned width = (double_width ? 2 : 1);
unsigned height = FONT_HEIGHT * (gx->double_strike ? 1 : 2);
for (h = 0; h < height; h++)
{
GX_PokeARGB(x, y + h, b);
if (double_width)
{
GX_PokeARGB(x + 1, y + h, b);
}
}
x += (double_width ? 2 : 1);
while (*message)
{
for (unsigned j = 0; j < FONT_HEIGHT; j++)
{
for (unsigned i = 0; i < FONT_WIDTH; i++)
{
GXColor c;
uint8_t rem = 1 << ((i + j * FONT_WIDTH) & 7);
unsigned offset = (i + j * FONT_WIDTH) >> 3;
bool col = (bitmap_bin[FONT_OFFSET((unsigned char) *message) + offset] & rem);
if (col)
c = w;
else
c = b;
if (!gx->double_strike)
{
GX_PokeARGB(x + (i * width), y + (j * 2), c);
if (double_width)
{
GX_PokeARGB(x + (i * width) + 1, y + (j * 2), c);
GX_PokeARGB(x + (i * width) + 1, y + (j * 2) + 1, c);
}
GX_PokeARGB(x + (i * width), y + (j * 2) + 1, c);
}
else
{
GX_PokeARGB(x + (i * width), y + j, c);
if (double_width)
{
GX_PokeARGB(x + (i * width) + 1, y + j, c);
}
}
}
}
for (unsigned h = 0; h < height; h++)
{
GX_PokeARGB(x + (FONT_WIDTH * width), y + h, b);
if (double_width)
{
GX_PokeARGB(x + (FONT_WIDTH * width) + 1, y + h, b);
}
}
x += FONT_WIDTH_STRIDE * (double_width ? 2 : 1);
message++;
}
}
static bool gx_frame(void *data, const void *frame,
unsigned width, unsigned height, unsigned pitch,
const char *msg)
{
char fps_txt[128], fps_text_buf[128];
bool fps_draw = g_settings.fps_show;
gx_video_t *gx = (gx_video_t*)data;
struct __gx_regdef *__gx = (struct __gx_regdef*)__gxregs;
u8 clear_efb = GX_FALSE;
RARCH_PERFORMANCE_INIT(gx_frame);
RARCH_PERFORMANCE_START(gx_frame);
if(!gx || (!frame && !gx->menu_texture_enable))
return true;
if (!frame)
width = height = 4; /* draw a black square in the background */
if(gx->should_resize)
{
gx_resize(gx);
clear_efb = GX_TRUE;
}
while (((g_vsync || gx->menu_texture_enable)) && !g_draw_done)
OSSleepThread(g_video_cond);
width = min(g_tex.width, width);
height = min(g_tex.height, height);
if (width != gx_old_width || height != gx_old_height)
{
init_texture(data, width, height);
gx_old_width = width;
gx_old_height = height;
}
g_draw_done = false;
g_current_framebuf ^= 1;
if (frame)
{
RARCH_PERFORMANCE_INIT(gx_frame_convert);
RARCH_PERFORMANCE_START(gx_frame_convert);
if (gx->rgb32)
convert_texture32(frame, g_tex.data, width, height, pitch);
else if (gx->menu_texture_enable)
convert_texture16_conv(frame, g_tex.data, width, height, pitch);
else
convert_texture16(frame, g_tex.data, width, height, pitch);
DCFlushRange(g_tex.data, height * (width << (gx->rgb32 ? 2 : 1)));
RARCH_PERFORMANCE_STOP(gx_frame_convert);
}
if (gx->menu_texture_enable && gx->menu_data)
{
menu_handle_t *menu = menu_driver_resolve();
if (menu)
{
convert_texture16(gx->menu_data, menu_tex.data,
menu->frame_buf.width,
menu->frame_buf.height,
menu->frame_buf.pitch);
DCFlushRange(menu_tex.data,
menu->frame_buf.width *
menu->frame_buf.pitch);
}
}
__GX_InvalidateTexAll(__gx);
__GX_SetCurrentMtx(__gx, GX_PNMTX0);
__GX_LoadTexObj(&g_tex.obj, GX_TEXMAP0);
__GX_CallDispList(__gx, display_list, display_list_size);
if (gx->menu_texture_enable)
{
__GX_SetCurrentMtx(__gx, GX_PNMTX1);
GX_LoadTexObj(&menu_tex.obj, GX_TEXMAP0);
__GX_CallDispList(__gx, display_list, display_list_size);
}
#ifdef HAVE_OVERLAY
if (gx->overlay_enable)
gx_render_overlay(gx);
#endif
GX_DrawDone();
video_monitor_get_fps(fps_txt, sizeof(fps_txt),
fps_draw ? fps_text_buf : NULL, sizeof(fps_text_buf));
if (fps_draw)
{
char mem1_txt[128];
unsigned x = 15;
unsigned y = 35;
gx_blit_line(x, y, fps_text_buf);
y += FONT_HEIGHT * (gx->double_strike ? 1 : 2);
snprintf(mem1_txt, sizeof(mem1_txt), "MEM1: %8d / %8d",
SYSMEM1_SIZE - SYS_GetArena1Size(), SYSMEM1_SIZE);
gx_blit_line(x, y, mem1_txt);
#ifdef HW_RVL
y += FONT_HEIGHT * (gx->double_strike ? 1 : 2);
char mem2_txt[128];
snprintf(mem2_txt, sizeof(mem2_txt), "MEM2: %8d / %8d",
gx_mem2_used(), gx_mem2_total());
gx_blit_line(x, y, mem2_txt);
#endif
}
if (msg && !gx->menu_texture_enable)
{
unsigned x = 7 * (gx->double_strike ? 1 : 2);
unsigned y = gx->vp.full_height - (35 * (gx->double_strike ? 1 : 2));
gx_blit_line(x, y, msg);
clear_efb = GX_TRUE;
}
__GX_CopyDisp(__gx, g_framebuf[g_current_framebuf], clear_efb);
__GX_Flush(__gx);
VISetNextFrameBuffer(g_framebuf[g_current_framebuf]);
VIFlush();
g_extern.frame_count++;
RARCH_PERFORMANCE_STOP(gx_frame);
return true;
}
static void gx_set_nonblock_state(void *data, bool state)
{
(void)data;
g_vsync = !state;
}
static bool gx_alive(void *data)
{
(void)data;
return true;
}
static bool gx_focus(void *data)
{
(void)data;
return true;
}
static bool gx_suppress_screensaver(void *data, bool enable)
{
(void)data;
(void)enable;
return false;
}
static bool gx_has_windowed(void *data)
{
(void)data;
return false;
}
static void gx_free(void *data)
{
gx_video_t *gx = (gx_video_t*)driver.video_data;
#ifdef HAVE_OVERLAY
gx_free_overlay(gx);
#endif
GX_DrawDone();
GX_AbortFrame();
GX_Flush();
VISetBlack(true);
VIFlush();
VIWaitForRetrace();
free(data);
}
static void gx_set_rotation(void *data, unsigned orientation)
{
gx_video_t *gx = (gx_video_t*)data;
g_orientation = orientation;
if (gx)
gx->should_resize = true;
}
static void gx_set_texture_frame(void *data, const void *frame,
bool rgb32, unsigned width, unsigned height, float alpha)
{
(void)rgb32;
(void)width;
(void)height;
(void)alpha;
gx_video_t *gx = (gx_video_t*)data;
if (gx)
gx->menu_data = (uint32_t*)frame;
}
static void gx_set_texture_enable(void *data, bool enable, bool full_screen)
{
gx_video_t *gx = (gx_video_t*)data;
(void)full_screen;
if (gx)
{
gx->menu_texture_enable = enable;
/* need to make sure the game texture is the right pixel
* format for menu overlay. */
gx->should_resize = true;
}
}
static void gx_apply_state_changes(void *data)
{
gx_video_t *gx = (gx_video_t*)data;
if (gx)
gx->should_resize = true;
}
static void gx_viewport_info(void *data, struct video_viewport *vp)
{
gx_video_t *gx = (gx_video_t*)data;
*vp = gx->vp;
}
static bool gx_read_viewport(void *data, uint8_t *buffer)
{
(void)data;
(void)buffer;
return true;
}
static void gx_get_video_output_size(void *data, unsigned *width, unsigned *height)
{
(void)data;
*width = menu_gx_resolutions[menu_current_gx_resolution][0];
*height = menu_gx_resolutions[menu_current_gx_resolution][1];
}
static void gx_get_video_output_prev(void *data)
{
if (menu_current_gx_resolution > 0)
menu_current_gx_resolution--;
}
static void gx_get_video_output_next(void *data)
{
if (menu_current_gx_resolution < GX_RESOLUTIONS_LAST - 1)
{
#ifdef HW_RVL
if ((menu_current_gx_resolution + 1) > GX_RESOLUTIONS_640_480)
if (CONF_GetVideo() != CONF_VIDEO_PAL)
return;
#endif
menu_current_gx_resolution++;
}
}
static const video_poke_interface_t gx_poke_interface = {
gx_set_video_mode,
NULL,
gx_get_video_output_size,
gx_get_video_output_prev,
gx_get_video_output_next,
NULL,
gx_set_aspect_ratio,
gx_apply_state_changes,
gx_set_texture_frame,
gx_set_texture_enable,
};
static void gx_get_poke_interface(void *data, const video_poke_interface_t **iface)
{
(void)data;
*iface = &gx_poke_interface;
}
#ifdef HAVE_OVERLAY
static void gx_overlay_tex_geom(void *data, unsigned image, float x, float y, float w, float h);
static void gx_overlay_vertex_geom(void *data, unsigned image, float x, float y, float w, float h);
static bool gx_overlay_load(void *data, const struct texture_image *images, unsigned num_images)
{
unsigned i;
gx_video_t *gx = (gx_video_t*)data;
gx_free_overlay(gx);
gx->overlay = (struct gx_overlay_data*)calloc(num_images, sizeof(*gx->overlay));
if (!gx->overlay)
return false;
gx->overlays = num_images;
for (i = 0; i < num_images; i++)
{
struct gx_overlay_data *o = (struct gx_overlay_data*)&gx->overlay[i];
GX_InitTexObj(&o->tex, images[i].pixels, images[i].width,
images[i].height,
GX_TF_RGBA8, GX_CLAMP, GX_CLAMP, GX_FALSE);
GX_InitTexObjFilterMode(&g_tex.obj, GX_LINEAR, GX_LINEAR);
DCFlushRange(images[i].pixels, images[i].width *
images[i].height * sizeof(uint32_t));
gx_overlay_tex_geom(gx, i, 0, 0, 1, 1); /* Default. Stretch to whole screen. */
gx_overlay_vertex_geom(gx, i, 0, 0, 1, 1);
gx->overlay[i].alpha_mod = 1.0f;
}
GX_InvalidateTexAll();
return true;
}
static void gx_overlay_tex_geom(void *data, unsigned image,
float x, float y, float w, float h)
{
gx_video_t *gx = (gx_video_t*)data;
struct gx_overlay_data *o;
o = NULL;
if (gx)
o = (struct gx_overlay_data*)&gx->overlay[image];
if (o)
{
o->tex_coord[0] = x;
o->tex_coord[1] = y;
o->tex_coord[2] = x + w;
o->tex_coord[3] = y;
o->tex_coord[4] = x;
o->tex_coord[5] = y + h;
o->tex_coord[6] = x + w;
o->tex_coord[7] = y + h;
}
}
static void gx_overlay_vertex_geom(void *data, unsigned image,
float x, float y, float w, float h)
{
gx_video_t *gx = (gx_video_t*)data;
struct gx_overlay_data *o;
o = NULL;
/* Flipped, so we preserve top-down semantics. */
y = 1.0f - y;
h = -h;
/* expand from 0 - 1 to -1 - 1 */
x = (x * 2.0f) - 1.0f;
y = (y * 2.0f) - 1.0f;
w = (w * 2.0f);
h = (h * 2.0f);
if (gx)
o = (struct gx_overlay_data*)&gx->overlay[image];
if (o)
{
o->vertex_coord[0] = x;
o->vertex_coord[1] = y;
o->vertex_coord[2] = x + w;
o->vertex_coord[3] = y;
o->vertex_coord[4] = x;
o->vertex_coord[5] = y + h;
o->vertex_coord[6] = x + w;
o->vertex_coord[7] = y + h;
}
}
static void gx_overlay_enable(void *data, bool state)
{
gx_video_t *gx = (gx_video_t*)data;
gx->overlay_enable = state;
}
static void gx_overlay_full_screen(void *data, bool enable)
{
gx_video_t *gx = (gx_video_t*)data;
gx->overlay_full_screen = enable;
}
static void gx_overlay_set_alpha(void *data, unsigned image, float mod)
{
gx_video_t *gx = (gx_video_t*)data;
gx->overlay[image].alpha_mod = mod;
}
static void gx_render_overlay(void *data)
{
gx_video_t *gx = (gx_video_t*)data;
GX_SetCurrentMtx(GX_PNMTX1);
GX_SetVtxDesc(GX_VA_POS, GX_DIRECT);
GX_SetVtxDesc(GX_VA_TEX0, GX_DIRECT);
GX_SetVtxDesc(GX_VA_CLR0, GX_DIRECT);
for (unsigned i = 0; i < gx->overlays; i++)
{
GX_LoadTexObj(&gx->overlay[i].tex, GX_TEXMAP0);
GX_Begin(GX_TRIANGLESTRIP, GX_VTXFMT0, 4);
GX_Position3f32(gx->overlay[i].vertex_coord[0],
gx->overlay[i].vertex_coord[1], -0.5);
GX_Color4u8(255, 255, 255, (u8)(gx->overlay[i].alpha_mod * 255.0f));
GX_TexCoord2f32(gx->overlay[i].tex_coord[0],
gx->overlay[i].tex_coord[1]);
GX_Position3f32(gx->overlay[i].vertex_coord[2],
gx->overlay[i].vertex_coord[3], -0.5);
GX_Color4u8(255, 255, 255, (u8)(gx->overlay[i].alpha_mod * 255.0f));
GX_TexCoord2f32(gx->overlay[i].tex_coord[2],
gx->overlay[i].tex_coord[3]);
GX_Position3f32(gx->overlay[i].vertex_coord[4],
gx->overlay[i].vertex_coord[5], -0.5);
GX_Color4u8(255, 255, 255, (u8)(gx->overlay[i].alpha_mod * 255.0f));
GX_TexCoord2f32(gx->overlay[i].tex_coord[4],
gx->overlay[i].tex_coord[5]);
GX_Position3f32(gx->overlay[i].vertex_coord[6],
gx->overlay[i].vertex_coord[7], -0.5);
GX_Color4u8(255, 255, 255, (u8)(gx->overlay[i].alpha_mod * 255.0f));
GX_TexCoord2f32(gx->overlay[i].tex_coord[6],
gx->overlay[i].tex_coord[7]);
GX_End();
}
GX_SetVtxDesc(GX_VA_POS, GX_INDEX8);
GX_SetVtxDesc(GX_VA_TEX0, GX_INDEX8);
GX_SetVtxDesc(GX_VA_CLR0, GX_INDEX8);
}
static const video_overlay_interface_t gx_overlay_interface = {
gx_overlay_enable,
gx_overlay_load,
gx_overlay_tex_geom,
gx_overlay_vertex_geom,
gx_overlay_full_screen,
gx_overlay_set_alpha,
};
static void gx_get_overlay_interface(void *data, const video_overlay_interface_t **iface)
{
(void)data;
*iface = &gx_overlay_interface;
}
#endif
static bool gx_set_shader(void *data,
enum rarch_shader_type type, const char *path)
{
(void)data;
(void)type;
(void)path;
return false;
}
video_driver_t video_gx = {
gx_init,
gx_frame,
gx_set_nonblock_state,
gx_alive,
gx_focus,
gx_suppress_screensaver,
gx_has_windowed,
gx_set_shader,
gx_free,
"gx",
gx_set_rotation,
gx_viewport_info,
gx_read_viewport,
#ifdef HAVE_OVERLAY
gx_get_overlay_interface,
#endif
gx_get_poke_interface,
};
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