various enhancement tweaks

[pcsx_rearmed.git] / plugins / gpulib / gpu.c

diff --git a/plugins/gpulib/gpu.c b/plugins/gpulib/gpu.c
index 70847ab..b61bff6 100644 (file)
--- a/plugins/gpulib/gpu.c
+++ b/plugins/gpulib/gpu.c
@@ -24,7 +24,7 @@
 //#define log_anomaly gpu_log
 #define log_anomaly(...)
 
-struct psx_gpu gpu __attribute__((aligned(2048)));
+struct psx_gpu gpu;
 
 static noinline int do_cmd_buffer(uint32_t *data, int count);
 static void finish_vram_transfer(int is_read);
@@ -92,6 +92,12 @@ static noinline void decide_frameskip(void)
     gpu.frameskip.active = 1;
   else
     gpu.frameskip.active = 0;
+
+  if (!gpu.frameskip.active && gpu.frameskip.pending_fill[0] != 0) {
+    int dummy;
+    do_cmd_list(gpu.frameskip.pending_fill, 3, &dummy);
+    gpu.frameskip.pending_fill[0] = 0;
+  }
 }
 
 static noinline int decide_frameskip_allow(uint32_t cmd_e3)
@@ -127,6 +133,22 @@ static noinline void get_gpu_info(uint32_t data)
   }
 }
 
+// double, for overdraw guard
+#define VRAM_SIZE (1024 * 512 * 2 * 2)
+
+static int map_vram(void)
+{
+  gpu.vram = gpu.mmap(VRAM_SIZE);
+  if (gpu.vram != NULL) {
+    gpu.vram += 4096 / 2;
+    return 0;
+  }
+  else {
+    fprintf(stderr, "could not map vram, expect crashes\n");
+    return -1;
+  }
+}
+
 long GPUinit(void)
 {
   int ret;
@@ -139,12 +161,26 @@ long GPUinit(void)
   gpu.cmd_len = 0;
   do_reset();
 
+  if (gpu.mmap != NULL) {
+    if (map_vram() != 0)
+      ret = -1;
+  }
   return ret;
 }
 
 long GPUshutdown(void)
 {
-  return vout_finish();
+  long ret;
+
+  renderer_finish();
+  ret = vout_finish();
+  if (gpu.vram != NULL) {
+    gpu.vram -= 4096 / 2;
+    gpu.munmap(gpu.vram, VRAM_SIZE);
+  }
+  gpu.vram = NULL;
+
+  return ret;
 }
 
 void GPUwriteStatus(uint32_t data)
@@ -201,6 +237,7 @@ void GPUwriteStatus(uint32_t data)
       gpu.screen.vres = vres[(gpu.status.reg >> 19) & 3];
       update_width();
       update_height();
+      renderer_notify_res_change();
       break;
     default:
       if ((cmd & 0xf0) == 0x10)
@@ -333,6 +370,8 @@ static noinline int do_cmd_list_skip(uint32_t *data, int count, int *last_cmd)
   int cmd = 0, pos = 0, len, dummy;
   int skip = 1;
 
+  gpu.frameskip.pending_fill[0] = 0;
+
   // XXX: polylines are not properly handled
   while (pos < count && skip) {
     uint32_t *list = data + pos;
@@ -342,7 +381,9 @@ static noinline int do_cmd_list_skip(uint32_t *data, int count, int *last_cmd)
     if (cmd == 0x02) {
       if ((list[2] & 0x3ff) > gpu.screen.w || ((list[2] >> 16) & 0x1ff) > gpu.screen.h)
         // clearing something large, don't skip
-        do_cmd_list(data + pos, 3, &dummy);
+        do_cmd_list(list, 3, &dummy);
+      else
+        memcpy(gpu.frameskip.pending_fill, list, 3 * 4);
     }
     else if ((cmd & 0xf4) == 0x24) {
       // flat textured prim
@@ -572,13 +613,13 @@ long GPUfreeze(uint32_t type, struct GPUFreeze *freeze)
     case 1: // save
       if (gpu.cmd_len > 0)
         flush_cmd_buffer();
-      memcpy(freeze->psxVRam, gpu.vram, sizeof(gpu.vram));
+      memcpy(freeze->psxVRam, gpu.vram, 1024 * 512 * 2);
       memcpy(freeze->ulControl, gpu.regs, sizeof(gpu.regs));
       memcpy(freeze->ulControl + 0xe0, gpu.ex_regs, sizeof(gpu.ex_regs));
       freeze->ulStatus = gpu.status.reg;
       break;
     case 0: // load
-      memcpy(gpu.vram, freeze->psxVRam, sizeof(gpu.vram));
+      memcpy(gpu.vram, freeze->psxVRam, 1024 * 512 * 2);
       memcpy(gpu.regs, freeze->ulControl, sizeof(gpu.regs));
       memcpy(gpu.ex_regs, freeze->ulControl + 0xe0, sizeof(gpu.ex_regs));
       gpu.status.reg = freeze->ulStatus;
@@ -659,6 +700,14 @@ void GPUrearmedCallbacks(const struct rearmed_cbs *cbs)
   gpu.state.hcnt = cbs->gpu_hcnt;
   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.mmap = cbs->mmap;
+  gpu.munmap = cbs->munmap;
+
+  // delayed vram mmap
+  if (gpu.vram == NULL)
+    map_vram();
 
   if (cbs->pl_vout_set_raw_vram)
     cbs->pl_vout_set_raw_vram(gpu.vram);