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RetroArch/gfx/drivers/gx_gfx.c
twinaphex 5f08605680 Refactor joypad drivers
2020-08-30 05:29:32 +02:00

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/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2017 - 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 <malloc.h>
#include <stdlib.h>
#include <string.h>
#include <gccore.h>
#include <ogcsys.h>
#include <libretro.h>
#include <streams/interface_stream.h>
#ifdef HAVE_CONFIG_H
#include "../../config.h"
#endif
#ifdef HAVE_MENU
#include "../../menu/menu_driver.h"
#endif
#ifdef HW_RVL
#include "../../memory/wii/mem2_manager.h"
#endif
#include "../font_driver.h"
#include "../drivers_font_renderer/bitmap.h"
#include "../../defines/gx_defines.h"
#include "../../configuration.h"
#include "../../driver.h"
#ifndef _CPU_ISR_Disable
#define _CPU_ISR_Disable( _isr_cookie ) \
{ register u32 _disable_mask = 0; \
_isr_cookie = 0; \
__asm__ __volatile__ ( \
"mfmsr %0\n" \
"rlwinm %1,%0,0,17,15\n" \
"mtmsr %1\n" \
"extrwi %0,%0,1,16" \
: "=&r" ((_isr_cookie)), "=&r" ((_disable_mask)) \
: "0" ((_isr_cookie)), "1" ((_disable_mask)) \
); \
}
#endif
#ifndef _CPU_ISR_Restore
#define _CPU_ISR_Restore( _isr_cookie ) \
{ register u32 _enable_mask = 0; \
__asm__ __volatile__ ( \
" cmpwi %0,0\n" \
" beq 1f\n" \
" mfmsr %1\n" \
" ori %1,%1,0x8000\n" \
" mtmsr %1\n" \
"1:" \
: "=r"((_isr_cookie)),"=&r" ((_enable_mask)) \
: "0"((_isr_cookie)),"1" ((_enable_mask)) \
); \
}
#endif
extern syssram* __SYS_LockSram(void);
extern u32 __SYS_UnlockSram(u32 write);
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;
bool menu_texture_enable;
bool vsync;
#ifdef HAVE_OVERLAY
bool overlay_enable;
bool overlay_full_screen;
#endif
int8_t system_xOrigin;
int8_t used_system_xOrigin;
int8_t xOriginNeg;
int8_t xOriginPos;
int8_t yOriginNeg;
int8_t yOriginPos;
uint16_t xOrigin;
uint16_t yOrigin;
unsigned scale;
unsigned overscan_correction_top;
unsigned overscan_correction_bottom;
unsigned old_width;
unsigned old_height;
unsigned current_framebuf;
#ifdef HAVE_OVERLAY
unsigned overlays;
#endif
uint32_t orientation;
video_viewport_t vp;
void *framebuf[2];
uint32_t *menu_data; /* FIXME: Should be const uint16_t*. */
#ifdef HAVE_OVERLAY
struct gx_overlay_data *overlay;
#endif
} gx_video_t;
static struct
{
unsigned width;
unsigned height;
GXTexObj obj;
uint32_t *data; /* needs to be resizable. */
} g_tex;
static struct
{
uint32_t data[240 * 212];
GXTexObj obj;
} menu_tex ATTRIBUTE_ALIGN(32);
static OSCond g_video_cond;
static volatile bool g_draw_done = false;
static uint8_t gx_fifo[256 * 1024] ATTRIBUTE_ALIGN(32);
static uint8_t display_list[1024] ATTRIBUTE_ALIGN(32);
static uint32_t retraceCount = 0;
static uint32_t referenceRetraceCount = 0;
static unsigned max_height = 0;
static size_t display_list_size = 0;
GXRModeObj gx_mode;
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_DEFAULT = 0,
GX_RESOLUTIONS_512_192,
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 = GX_RESOLUTIONS_640_480,
};
unsigned menu_gx_resolutions[][2] = {
{ 0, 0 }, /* Let the system choose its preferred resolution, for NTSC is 640x480 */
{ 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 },
};
static void retrace_callback(u32 retrace_count)
{
uint32_t level = 0;
(void)retrace_count;
g_draw_done = true;
OSSignalCond(g_video_cond);
_CPU_ISR_Disable(level);
retraceCount = retrace_count;
_CPU_ISR_Restore(level);
}
static bool gx_is_valid_xorigin(gx_video_t *gx, int origin)
{
if (origin < 0 || origin + gx->used_system_xOrigin < 0 ||
gx_mode.viWidth + origin + gx->used_system_xOrigin > 720)
return false;
return true;
}
static bool gx_is_valid_yorigin(int origin)
{
if (origin < 0 || gx_mode.viHeight + origin > max_height)
return false;
return true;
}
static void gx_set_video_mode(void *data, unsigned fbWidth, unsigned lines,
bool fullscreen)
{
int tmpOrigin;
float refresh_rate;
bool progressive;
unsigned modetype, tvmode, max_width, i;
size_t new_fb_pitch = 0;
unsigned new_fb_width = 0;
unsigned new_fb_height = 0;
float y_scale = 0.0f;
uint16_t xfbWidth = 0;
uint16_t xfbHeight = 0;
gx_video_t *gx = (gx_video_t*)data;
settings_t *settings = config_get_ptr();
unsigned viHeightMultiplier = 1;
bool vfilter = settings->bools.video_vfilter;
unsigned viWidth = settings->uints.video_viwidth;
unsigned rgui_aspect_ratio = settings->uints.menu_rgui_aspect_ratio;
/* stop vsync callback */
VIDEO_SetPostRetraceCallback(NULL);
g_draw_done = false;
/* wait for next even field */
/* this prevents screen artifacts when switching
* between interlaced & non-interlaced modes */
do VIDEO_WaitVSync();
while (!VIDEO_GetNextField());
VIDEO_SetBlack(true);
VIDEO_Flush();
#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;
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_EURGB60;
max_height = VI_MAX_HEIGHT_EURGB60;
break;
default:
tvmode = VI_NTSC;
max_width = VI_MAX_WIDTH_NTSC;
max_height = VI_MAX_HEIGHT_NTSC;
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->used_system_xOrigin = gx->system_xOrigin;
if (gx->used_system_xOrigin > 0)
{
while (viWidth + gx->used_system_xOrigin > 720)
gx->used_system_xOrigin--;
}
else if (gx->used_system_xOrigin < 0)
{
while (viWidth + gx->used_system_xOrigin > 720)
gx->used_system_xOrigin++;
}
tmpOrigin = (max_width - gx_mode.viWidth) / 2;
if (gx->system_xOrigin > 0)
{
while (!gx_is_valid_xorigin(gx, tmpOrigin))
tmpOrigin--;
}
else if (gx->system_xOrigin < 0)
{
while (!gx_is_valid_xorigin(gx, tmpOrigin))
tmpOrigin++;
}
gx_mode.viXOrigin = gx->xOrigin = tmpOrigin;
gx_mode.viYOrigin = gx->yOrigin =
(max_height - gx_mode.viHeight) / (2 * viHeightMultiplier);
gx->xOriginNeg = 0;
gx->xOriginPos = 0;
while (gx_is_valid_xorigin(gx, gx_mode.viXOrigin+(gx->xOriginNeg-1)))
gx->xOriginNeg--;
while (gx_is_valid_xorigin(gx, gx_mode.viXOrigin+(gx->xOriginPos+1)))
gx->xOriginPos++;
gx->yOriginNeg = 0;
gx->yOriginPos = 0;
while (gx_is_valid_yorigin(gx_mode.viYOrigin+(gx->yOriginNeg-1)))
gx->yOriginNeg--;
while (gx_is_valid_yorigin(gx_mode.viYOrigin+(gx->yOriginPos+1)))
gx->yOriginPos++;
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_NON_INTERLACE && vfilter)
{
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;
/* Calculate menu dimensions
* > Height is set as large as possible, limited to
* maximum of 240 (standard RGUI framebuffer height) */
new_fb_height = (gx_mode.efbHeight / (gx->double_strike ? 1 : 2)) & ~3;
if (new_fb_height > 240)
new_fb_height = 240;
/* > Width is dertermined by current RGUI aspect ratio
* (note that width is in principal limited by hardware
* constraints to 640, but we impose a lower limit of
* 424 since this is the nearest to the RGUI 'standard'
* for 16:9 aspect ratios which is supported by the Wii
* - i.e. last two bits of value must be zero, so 426->424) */
switch (rgui_aspect_ratio)
{
case RGUI_ASPECT_RATIO_16_9:
case RGUI_ASPECT_RATIO_16_9_CENTRE:
if (new_fb_height == 240)
new_fb_width = 424;
else
new_fb_width = (unsigned)((16.0f / 9.0f) * (float)new_fb_height) & ~3;
break;
case RGUI_ASPECT_RATIO_16_10:
case RGUI_ASPECT_RATIO_16_10_CENTRE:
if (new_fb_height == 240)
new_fb_width = 384;
else
new_fb_width = (unsigned)((16.0f / 10.0f) * (float)new_fb_height) & ~3;
break;
default:
/* 4:3 */
if (new_fb_height == 240)
new_fb_width = 320;
else
new_fb_width = (unsigned)((4.0f / 3.0f) * (float)new_fb_height) & ~3;
break;
}
if (new_fb_width > 424)
new_fb_width = 424;
new_fb_pitch = new_fb_width * 2;
gfx_display_set_width(new_fb_width);
gfx_display_set_height(new_fb_height);
gfx_display_set_framebuffer_pitch(new_fb_pitch);
GX_SetViewportJitter(0, 0, gx_mode.fbWidth, gx_mode.efbHeight, 0, 1, 1);
GX_SetDispCopySrc(0, 0, gx_mode.fbWidth, gx_mode.efbHeight);
y_scale = GX_GetYScaleFactor(gx_mode.efbHeight, gx_mode.xfbHeight);
xfbWidth = VIDEO_PadFramebufferWidth(gx_mode.fbWidth);
xfbHeight = GX_SetDispCopyYScale((f32)y_scale);
GX_SetDispCopyDst((u16)xfbWidth, (u16)xfbHeight);
GX_SetCopyFilter(gx_mode.aa, gx_mode.sample_pattern,
GX_TRUE, 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();
/* Now apply all the configuration to the screen */
VIDEO_Configure(&gx_mode);
VIDEO_ClearFrameBuffer(&gx_mode, gx->framebuf[0], COLOR_BLACK);
VIDEO_ClearFrameBuffer(&gx_mode, gx->framebuf[1], COLOR_BLACK);
VIDEO_SetNextFramebuffer(gx->framebuf[0]);
gx->current_framebuf = 0;
/* re-activate the Vsync callback */
VIDEO_SetPostRetraceCallback(retrace_callback);
VIDEO_SetBlack(false);
VIDEO_Flush();
VIDEO_WaitVSync();
RARCH_LOG("[GX]: Resolution: %dx%d (%s)\n", gx_mode.fbWidth,
gx_mode.efbHeight, (gx_mode.viTVMode & 3) == VI_INTERLACE
? "interlaced" : "progressive");
if (tvmode == VI_PAL)
{
refresh_rate = 50.0f;
if (modetype == VI_NON_INTERLACE)
refresh_rate = 50.0801f;
}
else
{
refresh_rate = 59.94f;
if (modetype == VI_NON_INTERLACE)
refresh_rate = 59.8261f;
}
driver_ctl(RARCH_DRIVER_CTL_SET_REFRESH_RATE, &refresh_rate);
}
static void gx_set_aspect_ratio(void *data, unsigned aspect_ratio_idx)
{
gx_video_t *gx = (gx_video_t*)data;
if (!gx)
return;
gx->keep_aspect = true;
gx->should_resize = true;
}
static void gx_get_video_output_size(void *data,
unsigned *width, unsigned *height)
{
global_t *global = global_get_ptr();
(void)data;
/* If the current index is out of bound default it to zero */
if (global->console.screen.resolutions.current.id > GX_RESOLUTIONS_LAST)
global->console.screen.resolutions.current.id = 0;
*width = menu_gx_resolutions[
global->console.screen.resolutions.current.id][0];
*height = menu_gx_resolutions[
global->console.screen.resolutions.current.id][1];
}
static void setup_video_mode(gx_video_t *gx)
{
unsigned width, height;
if (!gx->framebuf[0])
{
unsigned i;
for (i = 0; i < 2; i++)
gx->framebuf[i] = MEM_K0_TO_K1(
memalign(32, 640 * 576 * VI_DISPLAY_PIX_SZ));
}
gx->orientation = ORIENTATION_NORMAL;
OSInitThreadQueue(&g_video_cond);
gx_get_video_output_size(gx, &width, &height);
gx_set_video_mode(gx, width, height, true);
}
static void init_texture(gx_video_t *gx, unsigned width, unsigned height,
unsigned g_filter)
{
size_t fb_pitch;
unsigned fb_width, fb_height;
GXTexObj *fb_ptr = (GXTexObj*)&g_tex.obj;
GXTexObj *menu_ptr = (GXTexObj*)&menu_tex.obj;
width &= ~3;
height &= ~3;
gfx_display_get_fb_size(&fb_width, &fb_height,
&fb_pitch);
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, fb_width, fb_height,
GX_TF_RGB5A3, GX_CLAMP, GX_CLAMP, GX_FALSE);
GX_InitTexObjFilterMode(menu_ptr, g_filter, g_filter);
GX_InvalidateTexAll();
}
static void init_vtx(gx_video_t *gx, const video_info_t *video,
bool video_smooth)
{
Mtx44 m;
uint32_t level = 0;
_CPU_ISR_Disable(level);
referenceRetraceCount = retraceCount;
_CPU_ISR_Restore(level);
GX_SetCullMode(GX_CULL_NONE);
GX_SetClipMode(GX_CLIP_DISABLE);
GX_SetZMode(GX_ENABLE, GX_ALWAYS, GX_ENABLE);
GX_SetColorUpdate(GX_TRUE);
GX_SetAlphaUpdate(GX_FALSE);
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(gx, g_tex.width, g_tex.height,
video_smooth ? GX_LINEAR : GX_NEAR);
GX_Flush();
}
static void build_disp_list(void)
{
unsigned i;
DCInvalidateRange(display_list, sizeof(display_list));
GX_BeginDispList(display_list, sizeof(display_list));
GX_Begin(GX_TRIANGLESTRIP, GX_VTXFMT0, 4);
for (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};
intfstream_t *out = intfstream_open("/screenshot.tga",
RETRO_VFS_FILE_ACCESS_WRITE,
RETRO_VFS_FILE_ACCESS_HINT_NONE);
if (!out)
return;
intfstream_write(out, tga_header, sizeof(tga_header));
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;
}
intfstream_write(out, line, sizeof(line));
}
intfstream_close(out);
free(out);
}
#endif
static void *gx_init(const video_info_t *video,
input_driver_t **input, void **input_data)
{
void *gxinput = NULL;
settings_t *settings = config_get_ptr();
gx_video_t *gx = (gx_video_t*)calloc(1, sizeof(gx_video_t));
bool video_smooth = settings->bools.video_smooth;
const char *input_joypad_driver = settings->arrays.input_joypad_driver;
if (!gx)
return NULL;
gxinput = input_driver_init_wrap(&input_gx, input_joypad_driver);
*input = gxinput ? &input_gx : NULL;
*input_data = gxinput;
VIDEO_Init();
GX_Init(gx_fifo, sizeof(gx_fifo));
gx->vsync = video->vsync;
setup_video_mode(gx);
init_vtx(gx, video, video_smooth);
build_disp_list();
gx->vp.full_width = gx_mode.fbWidth;
gx->vp.full_height = gx_mode.xfbHeight;
gx->should_resize = true;
gx->old_width = 0;
gx->old_height = 0;
gx->system_xOrigin = 0;
#ifdef HW_RVL
int8_t offset;
if (CONF_GetDisplayOffsetH(&offset) == 0)
gx->system_xOrigin = offset;
#else
syssram *sram = __SYS_LockSram();
gx->system_xOrigin = sram->display_offsetH;
__SYS_UnlockSram(0);
#endif
return gx;
}
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"
);
}
static void convert_texture16(const uint32_t *_src, uint32_t *_dst,
unsigned width, unsigned height, unsigned pitch)
{
width &= ~3;
height &= ~3;
update_texture_asm(_src, _dst, width, height, pitch);
}
static void convert_texture16_conv(const uint32_t *_src, uint32_t *_dst,
unsigned width, unsigned height, unsigned pitch)
{
unsigned i, tmp_pitch, width2;
const uint32_t *src = (const uint32_t*)_src;
uint32_t *dst = (uint32_t*)_dst;
width &= ~3;
height &= ~3;
tmp_pitch = pitch >> 2;
width2 = width >> 1;
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;
const uint16_t *src = (uint16_t *) _src;
uint16_t *dst = (uint16_t *) _dst;
width &= ~3;
height &= ~3;
tmp_pitch = pitch >> 1;
width2 = width << 1;
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(gx_video_t *gx,
bool video_smooth,
unsigned aspect_ratio_idx,
unsigned overscan_corr_top,
unsigned overscan_corr_bottom)
{
int gamma;
unsigned degrees;
Mtx44 m1, m2;
float top = 1, bottom = -1, left = -1, right = 1;
int x = 0, y = 0;
const global_t *global = global_get_ptr();
unsigned width = gx->vp.full_width;
unsigned height = gx->vp.full_height;
#ifdef HW_RVL
VIDEO_SetTrapFilter(global->console.softfilter_enable);
gamma = global->console.screen.gamma_correction;
if (gamma == 0)
gamma = 10; /* default 1.0 gamma value */
VIDEO_SetGamma(gamma);
#else
gamma = global->console.screen.gamma_correction;
GX_SetDispCopyGamma(MAX(0,MIN(2,gamma)));
#endif
/* Ignore this for custom resolutions */
if (gx->keep_aspect && gx_mode.efbHeight >= 192)
{
float desired_aspect = video_driver_get_aspect_ratio();
if (desired_aspect == 0.0)
desired_aspect = 1.0;
if (gx->orientation == ORIENTATION_VERTICAL ||
gx->orientation == ORIENTATION_FLIPPED_ROTATED)
desired_aspect = 1.0 / desired_aspect;
if (aspect_ratio_idx == ASPECT_RATIO_CUSTOM)
{
struct video_viewport *custom_vp = video_viewport_get_custom();
if (!custom_vp->width || !custom_vp->height)
{
custom_vp->x = 0;
custom_vp->y = 0;
custom_vp->width = gx->vp.full_width;
custom_vp->height = gx->vp.full_height;
}
x = custom_vp->x;
y = custom_vp->y;
width = custom_vp->width;
height = custom_vp->height;
}
else
{
float delta;
#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 (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);
}
}
}
/* Overscan correction */
if ((overscan_corr_top > 0) ||
(overscan_corr_bottom > 0))
{
float current_aspect = (float)width / (float)height;
int new_height = height -
(overscan_corr_top +
overscan_corr_bottom);
int new_width = (int)((new_height * current_aspect) + 0.5f);
if ((new_height > 0) && (new_width > 0))
{
x += (int)((float)(width - new_width) * 0.5f);
y += (int)overscan_corr_top;
width = (unsigned)new_width;
height = (unsigned)new_height;
}
}
if (gx_is_valid_xorigin(gx, gx->xOrigin + x))
{
gx_mode.viXOrigin = gx->xOrigin + x;
x = 0;
}
else if (x < 0)
{
gx_mode.viXOrigin = gx->xOrigin + gx->xOriginNeg;
x -= gx->xOriginNeg;
}
else if (x > 0)
{
gx_mode.viXOrigin = gx->xOrigin + gx->xOriginPos;
x -= gx->xOriginPos;
}
if (gx_is_valid_yorigin(gx->yOrigin + y))
{
gx_mode.viYOrigin = gx->yOrigin + y;
y = 0;
}
else if (y < 0)
{
gx_mode.viYOrigin = gx->yOrigin + gx->yOriginNeg;
y -= gx->yOriginNeg;
}
else if (y > 0)
{
gx_mode.viYOrigin = gx->yOrigin + gx->yOriginPos;
y -= gx->yOriginPos;
}
VIDEO_Configure(&gx_mode);
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);
guOrtho(m1, top, bottom, left, right, 0, 1);
GX_LoadPosMtxImm(m1, GX_PNMTX1);
switch(gx->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);
c_guMtxConcat(m1, m2, m1);
GX_LoadPosMtxImm(m1, GX_PNMTX0);
init_texture(gx, 4, 4,
video_smooth ? GX_LINEAR : GX_NEAR);
gx->old_width = 0;
gx->old_height = 0;
gx->should_resize = false;
}
static void gx_blit_line(gx_video_t *gx,
unsigned x, unsigned y, const char *message)
{
unsigned width, height, h;
bool double_width = false;
const GXColor b = {
.r = 0x00,
.g = 0x00,
.b = 0x00,
.a = 0xff
};
const GXColor w = {
.r = 0xff,
.g = 0xff,
.b = 0xff,
.a = 0xff
};
if (!*message)
return;
double_width = gx_mode.fbWidth > 400;
width = (double_width ? 2 : 1);
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)
{
unsigned i, j;
for (j = 0; j < FONT_HEIGHT; j++)
{
for (i = 0; i < FONT_WIDTH; i++)
{
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);
GXColor c = b;
if (col)
c = w;
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 (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 void gx_set_nonblock_state(void *data, bool state,
bool adaptive_vsync_enabled, unsigned swap_interval)
{
gx_video_t *gx = (gx_video_t*)data;
if (!gx)
return;
gx->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 void gx_set_rotation(void *data, unsigned orientation)
{
gx_video_t *gx = (gx_video_t*)data;
gx->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)
return;
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 void gx_get_video_output_prev(void *data)
{
global_t *global = global_get_ptr();
if (global->console.screen.resolutions.current.id == 0)
{
global->console.screen.resolutions.current.id = GX_RESOLUTIONS_LAST;
return;
}
global->console.screen.resolutions.current.id--;
}
static void gx_get_video_output_next(void *data)
{
global_t *global = global_get_ptr();
if (global->console.screen.resolutions.current.id >= GX_RESOLUTIONS_LAST)
{
global->console.screen.resolutions.current.id = 0;
return;
}
global->console.screen.resolutions.current.id++;
}
static uint32_t gx_get_flags(void *data)
{
uint32_t flags = 0;
BIT32_SET(flags, GFX_CTX_FLAGS_SCREENSHOTS_SUPPORTED);
return flags;
}
static const video_poke_interface_t gx_poke_interface = {
gx_get_flags,
NULL,
NULL,
gx_set_video_mode,
NULL, /* get_refresh_rate */
NULL,
gx_get_video_output_size,
gx_get_video_output_prev,
gx_get_video_output_next,
NULL,
NULL,
gx_set_aspect_ratio,
gx_apply_state_changes,
gx_set_texture_frame,
gx_set_texture_enable,
NULL, /* set_osd_msg */
NULL, /* show_mouse */
NULL, /* grab_mouse_toggle */
NULL, /* get_current_shader */
NULL, /* get_current_software_framebuffer */
NULL /* get_hw_render_interface */
};
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)
{
gx_video_t *gx = (gx_video_t*)data;
struct gx_overlay_data *o = NULL;
if (gx)
o = (struct gx_overlay_data*)&gx->overlay[image];
if (!o)
return;
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 = 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)
return;
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_free_overlay(gx_video_t *gx)
{
free(gx->overlay);
gx->overlay = NULL;
gx->overlays = 0;
GX_InvalidateTexAll();
}
static bool gx_overlay_load(void *data,
const void *image_data, unsigned num_images)
{
unsigned i;
gx_video_t *gx = (gx_video_t*)data;
const struct texture_image *images = (const struct texture_image*)image_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));
/* Default. Stretch to whole screen. */
gx_overlay_tex_geom(gx, i, 0, 0, 1, 1);
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_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;
if (gx)
gx->overlay[image].alpha_mod = mod;
}
static void gx_render_overlay(void *data)
{
unsigned i;
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 (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 void gx_free(void *data)
{
#ifdef HAVE_OVERLAY
gx_video_t *gx = (gx_video_t*)data;
gx_free_overlay(gx);
#endif
GX_DrawDone();
GX_AbortFrame();
GX_Flush();
VIDEO_SetBlack(true);
VIDEO_Flush();
VIDEO_WaitVSync();
if (g_video_cond)
OSCloseThreadQueue(g_video_cond);
g_video_cond = 0;
free(data);
}
static bool gx_frame(void *data, const void *frame,
unsigned width, unsigned height,
uint64_t frame_count, unsigned pitch,
const char *msg,
video_frame_info_t *video_info)
{
char fps_text_buf[128];
settings_t *settings = config_get_ptr();
gx_video_t *gx = (gx_video_t*)data;
u8 clear_efb = GX_FALSE;
uint32_t level = 0;
unsigned overscan_corr_top = settings->uints.video_overscan_correction_top;
unsigned overscan_corr_bottom = settings->uints.video_overscan_correction_bottom;
bool video_smooth = settings->bools.video_smooth;
unsigned video_aspect_ratio_idx = settings->uints.video_aspect_ratio_idx;
#ifdef HAVE_MENU
bool menu_is_alive = video_info->menu_is_alive;
#endif
bool fps_show = video_info->fps_show;
fps_text_buf[0] = '\0';
if (!gx || (!frame && !gx->menu_texture_enable))
return true;
if (!frame)
width = height = 4; /* draw a black square in the background */
if ((gx->overscan_correction_top != overscan_corr_top) ||
(gx->overscan_correction_bottom != overscan_corr_bottom))
{
gx->overscan_correction_top = overscan_corr_top;
gx->overscan_correction_bottom = overscan_corr_bottom;
gx->should_resize = true;
}
if (gx->should_resize)
{
gx_resize(gx,
video_smooth,
video_aspect_ratio_idx,
overscan_corr_top,
overscan_corr_bottom);
clear_efb = GX_TRUE;
}
while (((gx->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(gx, width, height,
video_smooth ? GX_LINEAR : GX_NEAR);
gx->old_width = width;
gx->old_height = height;
}
g_draw_done = false;
gx->current_framebuf ^= 1;
if (frame)
{
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)));
}
if (gx->menu_texture_enable && gx->menu_data)
{
size_t fb_pitch;
unsigned fb_width, fb_height;
gfx_display_get_fb_size(&fb_width, &fb_height,
&fb_pitch);
convert_texture16(
gx->menu_data,
menu_tex.data,
fb_width,
fb_height,
fb_pitch);
DCFlushRange(
menu_tex.data,
fb_width * fb_pitch);
}
#ifdef HAVE_MENU
menu_driver_frame(menu_is_alive, video_info);
#endif
GX_InvalidateTexAll();
GX_SetCurrentMtx(GX_PNMTX0);
GX_LoadTexObj(&g_tex.obj, GX_TEXMAP0);
GX_CallDispList(display_list, display_list_size);
if (gx->menu_texture_enable)
{
GX_SetCurrentMtx(GX_PNMTX1);
GX_LoadTexObj(&menu_tex.obj, GX_TEXMAP0);
GX_CallDispList(display_list, display_list_size);
}
#ifdef HAVE_OVERLAY
if (gx->overlay_enable)
gx_render_overlay(gx);
#endif
_CPU_ISR_Disable(level);
if (referenceRetraceCount > retraceCount)
{
if (gx->vsync)
VIDEO_WaitVSync();
}
referenceRetraceCount = retraceCount;
_CPU_ISR_Restore(level);
GX_DrawDone();
if (fps_show)
{
char mem1_txt[128];
char mem2_txt[128];
unsigned x = 15;
unsigned y = 35;
mem1_txt[0] = mem2_txt[0] = '\0';
(void)mem2_txt;
gx_blit_line(gx, 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(gx, x, y, mem1_txt);
#ifdef HW_RVL
y += FONT_HEIGHT * (gx->double_strike ? 1 : 2);
snprintf(mem2_txt, sizeof(mem2_txt), "MEM2: %8d / %8d",
gx_mem2_used(), gx_mem2_total());
gx_blit_line(gx, 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(gx, x, y, msg);
clear_efb = GX_TRUE;
}
GX_CopyDisp(gx->framebuf[gx->current_framebuf], clear_efb);
GX_Flush();
VIDEO_SetNextFramebuffer(gx->framebuf[gx->current_framebuf]);
VIDEO_Flush();
_CPU_ISR_Disable(level);
++referenceRetraceCount;
_CPU_ISR_Restore(level);
return true;
}
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,
NULL, /* has_windowed */
gx_set_shader,
gx_free,
"gx",
NULL, /* set_viewport */
gx_set_rotation,
gx_viewport_info,
NULL, /* read_viewport */
NULL, /* read_frame_raw */
#ifdef HAVE_OVERLAY
gx_get_overlay_interface,
#endif
#ifdef HAVE_VIDEO_LAYOUT
NULL,
#endif
gx_get_poke_interface,
};
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