add support for software-enhanced rendering

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

diff --git a/plugins/gpulib/gpu.c b/plugins/gpulib/gpu.c
index df0099c..462e301 100644 (file)
--- a/plugins/gpulib/gpu.c
+++ b/plugins/gpulib/gpu.c
@@ -9,6 +9,7 @@
  */
 
 #include <stdio.h>
+#include <stdlib.h>
 #include <string.h>
 #include "gpu.h"
 
@@ -92,6 +93,12 @@ 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)
@@ -131,8 +138,21 @@ long GPUinit(void)
 {
   int ret;
   ret  = vout_init();
+
+  gpu.state.enhancement_available = 0;
   ret |= renderer_init();
 
+  if (gpu.state.enhancement_available) {
+    if (gpu.enhancement_bufer == NULL)
+      gpu.enhancement_bufer = malloc(2048 * 1024 * 2 + 1024 * 512 * 2);
+      if (gpu.enhancement_bufer == NULL)
+        gpu_log("OOM for enhancement buffer\n");
+  }
+  else if (gpu.enhancement_bufer != NULL) {
+    free(gpu.enhancement_bufer);
+    gpu.enhancement_bufer = NULL;
+  }
+
   gpu.state.frame_count = &gpu.zero;
   gpu.state.hcnt = &gpu.zero;
   gpu.frameskip.active = 0;
@@ -333,6 +353,9 @@ 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;
     cmd = list[0] >> 24;
@@ -341,7 +364,9 @@ 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
@@ -397,7 +422,8 @@ static noinline int do_cmd_buffer(uint32_t *data, int count)
       continue;
     }
 
-    if (gpu.frameskip.active && gpu.frameskip.allow)
+    // 0xex cmds might affect frameskip.allow, so pass to do_cmd_list_skip
+    if (gpu.frameskip.active && (gpu.frameskip.allow || ((data[pos] >> 24) & 0xf0) == 0xe0))
       pos += do_cmd_list_skip(data + pos, count - pos, &cmd);
     else {
       pos += do_cmd_list(data + pos, count - pos, &cmd);
@@ -580,6 +606,7 @@ long GPUfreeze(uint32_t type, struct GPUFreeze *freeze)
       memcpy(gpu.regs, freeze->ulControl, sizeof(gpu.regs));
       memcpy(gpu.ex_regs, freeze->ulControl + 0xe0, sizeof(gpu.ex_regs));
       gpu.status.reg = freeze->ulStatus;
+      gpu.cmd_len = 0;
       for (i = 8; i > 0; i--) {
         gpu.regs[i] ^= 1; // avoid reg change detection
         GPUwriteStatus((i << 24) | (gpu.regs[i] ^ 1));
@@ -598,7 +625,16 @@ void GPUupdateLace(void)
     flush_cmd_buffer();
   renderer_flush_queues();
 
-  if (gpu.status.blanking || !gpu.state.fb_dirty)
+  if (gpu.status.blanking) {
+    if (!gpu.state.blanked) {
+      vout_blank();
+      gpu.state.blanked = 1;
+      gpu.state.fb_dirty = 1;
+    }
+    return;
+  }
+
+  if (!gpu.state.fb_dirty)
     return;
 
   if (gpu.frameskip.set) {
@@ -612,6 +648,7 @@ void GPUupdateLace(void)
 
   vout_update();
   gpu.state.fb_dirty = 0;
+  gpu.state.blanked = 0;
 }
 
 void GPUvBlank(int is_vblank, int lcf)
@@ -646,6 +683,7 @@ 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;
 
   if (cbs->pl_vout_set_raw_vram)
     cbs->pl_vout_set_raw_vram(gpu.vram);