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make non-zlib save compression possible
[pcsx_rearmed.git]
/
frontend
/
libretro.c
diff --git
a/frontend/libretro.c
b/frontend/libretro.c
index
3431685
..
0869a25
100644
(file)
--- a/
frontend/libretro.c
+++ b/
frontend/libretro.c
@@
-28,6
+28,10
@@
static retro_environment_t environ_cb;
static retro_audio_sample_batch_t audio_batch_cb;
static void *vout_buf;
static retro_audio_sample_batch_t audio_batch_cb;
static void *vout_buf;
+static int vout_width, vout_height;
+static int vout_doffs_old, vout_fb_dirty;
+static bool vout_can_dupe;
+
static int samples_sent, samples_to_send;
static int plugins_opened;
static int samples_sent, samples_to_send;
static int plugins_opened;
@@
-81,6
+85,8
@@
static int vout_open(void)
static void vout_set_mode(int w, int h, int raw_w, int raw_h, int bpp)
{
static void vout_set_mode(int w, int h, int raw_w, int raw_h, int bpp)
{
+ vout_width = w;
+ vout_height = h;
}
#ifndef FRONTEND_SUPPORTS_RGB565
}
#ifndef FRONTEND_SUPPORTS_RGB565
@@
-95,15
+101,12
@@
static void convert(void *buf, size_t bytes)
}
#endif
}
#endif
-static unsigned game_width;
-static unsigned game_height;
-static unsigned game_fb_dirty;
-
static void vout_flip(const void *vram, int stride, int bgr24, int w, int h)
{
unsigned short *dest = vout_buf;
const unsigned short *src = vram;
static void vout_flip(const void *vram, int stride, int bgr24, int w, int h)
{
unsigned short *dest = vout_buf;
const unsigned short *src = vram;
- int dstride = w, h1 = h;
+ int dstride = vout_width, h1 = h;
+ int doffs;
if (vram == NULL) {
// blanking
if (vram == NULL) {
// blanking
@@
-111,6
+114,15
@@
static void vout_flip(const void *vram, int stride, int bgr24, int w, int h)
goto out;
}
goto out;
}
+ doffs = (vout_height - h) * dstride;
+ doffs += (dstride - w) / 2 & ~1;
+ if (doffs != vout_doffs_old) {
+ // clear borders
+ memset(vout_buf, 0, dstride * h * 2);
+ vout_doffs_old = doffs;
+ }
+ dest += doffs;
+
if (bgr24)
{
// XXX: could we switch to RETRO_PIXEL_FORMAT_XRGB8888 here?
if (bgr24)
{
// XXX: could we switch to RETRO_PIXEL_FORMAT_XRGB8888 here?
@@
-129,11
+141,9
@@
static void vout_flip(const void *vram, int stride, int bgr24, int w, int h)
out:
#ifndef FRONTEND_SUPPORTS_RGB565
out:
#ifndef FRONTEND_SUPPORTS_RGB565
- convert(vout_buf,
w * h
* 2);
+ convert(vout_buf,
vout_width * vout_height
* 2);
#endif
#endif
- game_width = w;
- game_height = h;
- game_fb_dirty = 1;
+ vout_fb_dirty = 1;
pl_rearmed_cbs.flip_cnt++;
}
pl_rearmed_cbs.flip_cnt++;
}
@@
-393,8
+403,9
@@
void retro_run(void)
samples_to_send += 44100 / 60;
samples_to_send += 44100 / 60;
- video_cb(game_fb_dirty ? vout_buf : NULL, game_width, game_height, game_width * 2);
- game_fb_dirty = 0;
+ video_cb((vout_fb_dirty || !vout_can_dupe) ? vout_buf : NULL,
+ vout_width, vout_height, vout_width * 2);
+ vout_fb_dirty = 0;
}
void retro_init(void)
}
void retro_init(void)
@@
-437,6
+448,8
@@
void retro_init(void)
level = 1;
environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level);
level = 1;
environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level);
+ environ_cb(RETRO_ENVIRONMENT_GET_CAN_DUPE, &vout_can_dupe);
+
/* Set how much slower PSX CPU runs * 100 (so that 200 is 2 times)
* we have to do this because cache misses and some IO penalties
* are not emulated. Warning: changing this may break compatibility. */
/* Set how much slower PSX CPU runs * 100 (so that 200 is 2 times)
* we have to do this because cache misses and some IO penalties
* are not emulated. Warning: changing this may break compatibility. */