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Merge pull request #60 from fjtrujy/feature/PSPSupport 

Port gpsp to PSP for RetroArch
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Twinaphex 2019-11-23 17:43:52 +01:00 committed by GitHub
parent 5afe4c2a39 e040afd35d
commit c45c6c3cf2
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 41 additions and 2 deletions
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43
libretro.c
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@ -93,6 +93,46 @@ static inline void deinit_context_switch(void)
co_delete(cpu_thread);
}
static uint32_t next_pow2(uint32_t v)
{
v--;
v |= v >> 1;
v |= v >> 2;
v |= v >> 4;
v |= v >> 8;
v |= v >> 16;
v++;
return v;
}
static void video_run(void) {
#if defined(PSP)
static unsigned int __attribute__((aligned(16))) d_list[32];
void* texture_vram_p = NULL;
int texture_size = (GBA_SCREEN_WIDTH*GBA_SCREEN_HEIGHT*2);
texture_vram_p = (void*) (0x44200000 - texture_size); /* max VRAM address - frame size */
sceKernelDcacheWritebackRange(gba_screen_pixels, texture_size);
sceGuStart(GU_DIRECT, d_list);
sceGuTexMode(GU_PSM_5650, 0, 0, GU_FALSE);
sceGuCopyImage(GU_PSM_5650, 0, 0, GBA_SCREEN_WIDTH, GBA_SCREEN_HEIGHT, GBA_SCREEN_WIDTH,
gba_screen_pixels, 0, 0, GBA_SCREEN_WIDTH, texture_vram_p);
sceGuTexImage(0, next_pow2(GBA_SCREEN_WIDTH), next_pow2(GBA_SCREEN_HEIGHT), GBA_SCREEN_WIDTH, texture_vram_p);
sceGuTexFunc(GU_TFX_REPLACE, GU_TCC_RGB);
sceGuDisable(GU_BLEND);
sceGuFinish();
video_cb(texture_vram_p, GBA_SCREEN_WIDTH, GBA_SCREEN_HEIGHT,
GBA_SCREEN_PITCH * 2);
#else
video_cb(gba_screen_pixels, GBA_SCREEN_WIDTH, GBA_SCREEN_HEIGHT,
GBA_SCREEN_PITCH * 2);
#endif
}
#ifdef PERF_TEST
extern struct retro_perf_callback perf_cb;
@ -585,8 +625,7 @@ void retro_run(void)
render_audio();
video_cb(gba_screen_pixels, GBA_SCREEN_WIDTH, GBA_SCREEN_HEIGHT,
GBA_SCREEN_PITCH * 2);
video_run();
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated)
check_variables(0);