libretro/Genesis-Plus-GX
1
0
Fork 0
mirror of https://github.com/libretro/Genesis-Plus-GX.git synced 2024-12-02 14:26:40 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

[Gamecube/Wii] optimized EFB->XFB copy (also fixes crash when displaying FPS while fast-forward is ON)

Browse Source
This commit is contained in:
EkeEke 2016-05-08 17:06:15 +02:00
parent a0f161ed2d
commit 6a0fdd10df
1 changed files with 22 additions and 36 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

58
gx/gx_video.c
View File

@ -80,8 +80,8 @@ static gx_texture *cd_leds[2][2];
static GXTexObj screenTexObj;
/*** Framebuffers ***/
static u32 *xfb;
static u32 drawDone;
static u32 *xfb[2];
static u8 fbCurrent;
/*** Frame Sync ***/
u32 videoSync;
@ -391,26 +391,17 @@ static void vi_callback(u32 cnt)
videoWait = 0;
}
/* XFB update */
static void xfb_update(u32 cnt)
{
/* check if EFB rendering is finished */
if (drawDone)
{
/* clear GX draw end flag */
drawDone = 0;
/* copy EFB to XFB */
GX_CopyDisp(xfb, GX_FALSE);
GX_Flush();
}
}
/* GX draw callback */
static void gx_callback(void)
{
/* set GX draw end flag */
drawDone = 1;
/* swap framebuffers */
fbCurrent ^= 1;
VIDEO_SetNextFramebuffer(xfb[fbCurrent]);
VIDEO_Flush();
/* copy EFB to XFB */
GX_CopyDisp(xfb[fbCurrent], GX_FALSE);
GX_Flush();
}
/* Initialize GX */
@ -1076,7 +1067,7 @@ void gxSaveScreenshot(char *filename)
void gxSetScreen(void)
{
VIDEO_WaitVSync();
GX_CopyDisp(xfb, GX_FALSE);
GX_CopyDisp(xfb[fbCurrent], GX_FALSE);
GX_Flush();
gx_input_UpdateMenu();
}
@ -1239,7 +1230,7 @@ gx_texture *gxTextureOpenPNG(const u8 *png_data, FILE *png_file)
/* initialize GX texture object */
GX_InitTexObj(&texture->texObj, texture->data, width, height, GX_TF_RGBA8, GX_CLAMP, GX_CLAMP, GX_FALSE);
/*GX_InitTexObjLOD(&texture->texObj,GX_LINEAR,GX_LIN_MIP_LIN,0.0,10.0,0.0,GX_FALSE,GX_TRUE,GX_ANISO_4);*/
/* encode to GX_TF_RGBA8 format (4x4 pixels paired titles) */
u16 *dst_ar = (u16 *)(texture->data);
u16 *dst_gb = (u16 *)(texture->data + 32);
@ -1449,7 +1440,6 @@ void gx_video_Stop(void)
{
/* disable VSYNC callbacks */
VIDEO_SetPostRetraceCallback(NULL);
VIDEO_SetPreRetraceCallback(NULL);
/* wait for next even field */
/* this prevents screen artefacts when switching between interlaced & non-interlaced modes */
@ -1670,9 +1660,6 @@ void gx_video_Start(void)
VIDEO_SetGamma((int)(config.gamma * 10.0));
#endif
/* XFB update is done during VBLANK */
VIDEO_SetPreRetraceCallback(xfb_update);
/* Emulation is synchronized with video hardware if VSYNC is set to AUTO & TV mode matches emulated video mode */
if (config.vsync && (gc_pal == vdp_pal))
{
@ -1760,16 +1747,13 @@ int gx_video_Update(int status)
DCStoreRange(bitmap.data, vwidth*vheight*2);
GX_InvalidateTexAll();
/* disable EFB copy until rendering is done */
drawDone = 0;
/* render textured quad */
GX_CallDispList(screenDisplayList, 32);
/* on-screen display */
if (osd)
{
/* reset GX rendering */
/* reset GX rendering mode */
gxResetRendering(1);
/* lightgun # 1 screen mark */
@ -1829,7 +1813,7 @@ int gx_video_Update(int status)
/* restore texture object */
GX_LoadTexObj(&screenTexObj, GX_TEXMAP0);
/* restore GX rendering */
/* restore GX rendering mode */
gxResetRendering(0);
}
@ -1904,17 +1888,19 @@ void gx_video_Init(void)
/* Configure VI */
VIDEO_Configure(vmode);
/* Allocate framebuffer */
xfb = (u32 *) MEM_K0_TO_K1((u32 *) SYS_AllocateFramebuffer(&TV50hz_576i));
/* Allocate framebuffers */
xfb[0] = (u32 *) MEM_K0_TO_K1((u32 *) SYS_AllocateFramebuffer(&TV50hz_576i));
xfb[1] = (u32 *) MEM_K0_TO_K1((u32 *) SYS_AllocateFramebuffer(&TV50hz_576i));
/* Define a console */
console_init(xfb, 20, 64, 640, 574, 574 * 2);
console_init(xfb[0], 20, 64, 640, 574, 574 * 2);
/* Clear framebuffer to black */
VIDEO_ClearFrameBuffer(vmode, xfb, COLOR_BLACK);
VIDEO_ClearFrameBuffer(vmode, xfb[0], COLOR_BLACK);
/* Set the framebuffer to be displayed at next VBlank */
VIDEO_SetNextFramebuffer(xfb);
VIDEO_SetNextFramebuffer(xfb[0]);
fbCurrent = 0;
/* Enable Video Interface */
VIDEO_SetBlack(FALSE);
@ -1938,7 +1924,7 @@ void gx_video_Init(void)
void gx_video_Shutdown(void)
{
FONT_Shutdown();
VIDEO_ClearFrameBuffer(vmode, xfb, COLOR_BLACK);
VIDEO_ClearFrameBuffer(vmode, xfb[fbCurrent], COLOR_BLACK);
VIDEO_Flush();
VIDEO_WaitVSync();
}