#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 uint16_t *get_enhancement_bufer(int *x, int *y, int *w, int *h,
+ int *vram_h)
{
- initialize_psx_gpu(&egpu, gpu.vram);
- ex_regs = gpu.ex_regs;
+ uint16_t *ret = select_enhancement_buf_ptr(&egpu, *x);
+
+ *x *= 2;
+ *y *= 2;
+ *w = *w * 2;
+ *h = *h * 2;
+ *vram_h = 1024;
+ return ret;
+}
- 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;
- }
+static void map_enhancement_buffer(void)
+{
+ // 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).
+ egpu.enhancement_buf_ptr = gpu.mmap(ENHANCEMENT_BUF_SIZE);
+ if (egpu.enhancement_buf_ptr == NULL) {
+ fprintf(stderr, "failed to map enhancement buffer\n");
+ gpu.get_enhancement_bufer = NULL;
+ }
+ else {
+ egpu.enhancement_buf_ptr += 4096 / 2;
+ gpu.get_enhancement_bufer = get_enhancement_bufer;
+ }
+}
+
+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 && egpu.enhancement_buf_ptr == 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);
- gpu.enhancement_bufer = NULL;
+ if (egpu.enhancement_buf_ptr != NULL) {
+ egpu.enhancement_buf_ptr -= 4096 / 2;
+ gpu.munmap(egpu.enhancement_buf_ptr, ENHANCEMENT_BUF_SIZE);
+ }
egpu.enhancement_buf_ptr = NULL;
+ egpu.enhancement_current_buf_ptr = NULL;
+ initialized = 0;
}
static __attribute__((noinline)) void
sync_enhancement_buffers(int x, int y, int w, int h)
{
- int xt = egpu.enhancement_x_threshold;
+ const int step_x = 1024 / sizeof(egpu.enhancement_buf_by_x16);
u16 *src, *dst;
- int wb, i;
+ int w1, fb_index;
- w += x & 7;
- x &= ~7;
- w = (w + 7) & ~7;
+ w += x & (step_x - 1);
+ x &= ~(step_x - 1);
+ w = (w + step_x - 1) & ~(step_x - 1);
if (y + h > 512)
h = 512 - y;
- for (i = 0; i < 4 && w > 0; i++) {
- if (x < 512) {
- wb = w;
- if (x + w > 512)
- wb = 512 - x;
- src = gpu.vram + xt * i + y * 1024 + x;
- dst = egpu.enhancement_buf_ptr +
- (1024*1024 + xt * 2) * i + (y * 1024 + x) * 2;
- scale2x_tiles8(dst, src, wb / 8, h);
- }
-
- x -= xt;
- if (x < 0) {
- w += x;
- x = 0;
- }
+ while (w > 0) {
+ fb_index = egpu.enhancement_buf_by_x16[x / step_x];
+ for (w1 = 0; w > 0; w1++, w -= step_x)
+ if (fb_index != egpu.enhancement_buf_by_x16[x / step_x + w1])
+ break;
+
+ src = gpu.vram + y * 1024 + x;
+ dst = select_enhancement_buf_ptr(&egpu, x);
+ dst += (y * 1024 + x) * 2;
+ scale2x_tiles8(dst, src, w1 * step_x / 8, h);
+
+ x += w1 * step_x;
}
}
void renderer_notify_res_change(void)
{
// note: must keep it multiple of 8
- egpu.enhancement_x_threshold = gpu.screen.hres;
+ if (egpu.enhancement_x_threshold != gpu.screen.hres)
+ {
+ egpu.enhancement_x_threshold = gpu.screen.hres;
+ update_enhancement_buf_table_from_hres(&egpu);
+ }
}
#include "../../frontend/plugin_lib.h"
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.mmap != NULL && egpu.enhancement_buf_ptr == NULL)
+ map_enhancement_buffer();
+ if (cbs->pl_set_gpu_caps)
+ cbs->pl_set_gpu_caps(GPU_CAP_SUPPORTS_2X);
}