int hres = hres_all[(gpu.status >> 16) & 7];
int pal = gpu.status & PSX_GPU_STATUS_PAL;
int sw = gpu.screen.x2 - gpu.screen.x1;
+ int type = gpu.state.screen_centering_type;
int x = 0, x_auto;
+ if (type == C_AUTO)
+ type = gpu.state.screen_centering_type_default;
if (sw <= 0)
/* nothing displayed? */;
else {
x = (x + 1) & ~1; // blitter limitation
sw /= hdiv;
sw = (sw + 2) & ~3; // according to nocash
- switch (gpu.state.screen_centering_type) {
+ switch (type) {
case C_INGAME:
break;
case C_MANUAL:
}
}
-// double, for overdraw guard
-#define VRAM_SIZE ((1024 * 512 * 2 * 2) + 4096)
+#ifndef max
+#define max(a, b) (((a) > (b)) ? (a) : (b))
+#endif
// Minimum 16-byte VRAM alignment needed by gpu_unai's pixel-skipping
// renderer/downscaler it uses in high res modes:
#define VRAM_ALIGN 16
#endif
+// double, for overdraw guard + at least 1 page before
+#define VRAM_SIZE ((1024 * 512 * 2 * 2) + max(VRAM_ALIGN, 4096))
+
// vram ptr received from mmap/malloc/alloc (will deallocate using this)
static uint16_t *vram_ptr_orig = NULL;
static int map_vram(void)
{
#if GPULIB_USE_MMAP
- gpu.vram = vram_ptr_orig = gpu.mmap(VRAM_SIZE + (VRAM_ALIGN-1));
+ gpu.vram = vram_ptr_orig = gpu.mmap(VRAM_SIZE);
#else
- gpu.vram = vram_ptr_orig = calloc(VRAM_SIZE + (VRAM_ALIGN-1), 1);
+ gpu.vram = vram_ptr_orig = calloc(VRAM_SIZE, 1);
#endif
if (gpu.vram != NULL && gpu.vram != (void *)(intptr_t)-1) {
// 4kb guard in front
gpu.state.frame_count = cbs->gpu_frame_count;
gpu.state.allow_interlace = cbs->gpu_neon.allow_interlace;
gpu.state.enhancement_enable = cbs->gpu_neon.enhancement_enable;
+ gpu.state.screen_centering_type_default = cbs->screen_centering_type_default;
if (gpu.state.screen_centering_type != cbs->screen_centering_type
|| gpu.state.screen_centering_x != cbs->screen_centering_x
|| gpu.state.screen_centering_y != cbs->screen_centering_y) {