#define command_lengths cmd_lengths
static unsigned int *ex_regs;
+static int initialized;
#define PCSX
#define SET_Ex(r, v) \
return ret;
}
-#define ENHANCEMENT_BUF_SIZE (1024 * 1024 * 2 * 4 + 4096)
+#define ENHANCEMENT_BUF_SIZE (1024 * 1024 * 2 * 4 + 4096 * 2)
-int renderer_init(void)
+static void map_enhancement_buffer(void)
{
- initialize_psx_gpu(&egpu, gpu.vram);
- ex_regs = gpu.ex_regs;
+ // currently we use 4x 1024*1024 buffers instead of single 2048*1024
+ // to be able to reuse 1024-width code better (triangle setup,
+ // dithering phase, lines).
+ gpu.enhancement_bufer = gpu.mmap(ENHANCEMENT_BUF_SIZE);
+ if (gpu.enhancement_bufer == NULL)
+ fprintf(stderr, "failed to map enhancement buffer\n");
+ else
+ gpu.enhancement_bufer += 4096 / 2;
+ egpu.enhancement_buf_ptr = gpu.enhancement_bufer;
+}
- if (gpu.enhancement_bufer == NULL) {
- // currently we use 4x 1024*1024 buffers instead of single 2048*1024
- // to be able to reuse 1024-width code better (triangle setup,
- // dithering phase, lines).
- gpu.enhancement_bufer = mmap(NULL, ENHANCEMENT_BUF_SIZE,
- PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
- if (gpu.enhancement_bufer == MAP_FAILED) {
- printf("OOM for enhancement buffer\n");
- gpu.enhancement_bufer = NULL;
- }
+int renderer_init(void)
+{
+ if (gpu.vram != NULL) {
+ initialize_psx_gpu(&egpu, gpu.vram);
+ initialized = 1;
}
- egpu.enhancement_buf_ptr = gpu.enhancement_bufer;
+ if (gpu.mmap != NULL && gpu.enhancement_bufer == NULL)
+ map_enhancement_buffer();
+
+ ex_regs = gpu.ex_regs;
return 0;
}
void renderer_finish(void)
{
- if (gpu.enhancement_bufer != NULL)
- munmap(gpu.enhancement_bufer, ENHANCEMENT_BUF_SIZE);
+ if (gpu.enhancement_bufer != NULL) {
+ gpu.enhancement_bufer -= 4096 / 2;
+ gpu.munmap(gpu.enhancement_bufer, ENHANCEMENT_BUF_SIZE);
+ }
gpu.enhancement_bufer = NULL;
egpu.enhancement_buf_ptr = NULL;
+ egpu.enhancement_current_buf_ptr = NULL;
+ initialized = 0;
}
static __attribute__((noinline)) void
sync_enhancement_buffers(0, 0, 1024, 512);
}
enhancement_was_on = cbs->gpu_neon.enhancement_enable;
+
+ if (!initialized) {
+ initialize_psx_gpu(&egpu, gpu.vram);
+ initialized = 1;
+ }
+
+ if (gpu.enhancement_bufer == NULL)
+ map_enhancement_buffer();
}