X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=plugins%2Fgpulib%2Fvout_fb.c;fp=plugins%2Fgpulib%2Fvout_fb.c;h=021efa72724b4048bb087ffce98c3a45bfd41409;hb=62d7fa9555924ab8e152b546711d27add640b102;hp=0000000000000000000000000000000000000000;hpb=5d834c089ea695dba7643cba8686ce2ac06d8db4;p=pcsx_rearmed.git

diff --git a/plugins/gpulib/vout_fb.c b/plugins/gpulib/vout_fb.c
new file mode 100644
index 00000000..021efa72
--- /dev/null
+++ b/plugins/gpulib/vout_fb.c
@@ -0,0 +1,121 @@
+/*
+ * (C) Gražvydas "notaz" Ignotas, 2011
+ *
+ * This work is licensed under the terms of any of these licenses
+ * (at your option):
+ *  - GNU GPL, version 2 or later.
+ *  - GNU LGPL, version 2.1 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#include "gpu.h"
+#include "cspace.h"
+#include "../../frontend/plugin_lib.h"
+
+static const struct rearmed_cbs *cbs;
+static void *screen_buf;
+
+int vout_init(void)
+{
+  return 0;
+}
+
+int vout_finish(void)
+{
+  return 0;
+}
+
+static void check_mode_change(void)
+{
+  static uint32_t old_status;
+  static int old_h;
+
+  // width|rgb24 change?
+  if ((gpu.status.reg ^ old_status) & ((7<<16)|(1<<21)) || gpu.screen.h != old_h)
+  {
+    old_status = gpu.status.reg;
+    old_h = gpu.screen.h;
+    screen_buf = cbs->pl_vout_set_mode(gpu.screen.hres,
+                                       gpu.screen.h, gpu.status.rgb24 ? 24 : 16);
+  }
+}
+
+static void blit(void)
+{
+  int x = gpu.screen.x & ~1; // alignment needed by blitter
+  int y = gpu.screen.y;
+  int w = gpu.screen.w;
+  int h = gpu.screen.h;
+  uint16_t *vram = gpu.vram;
+  int stride = gpu.screen.hres;
+  int fb_offs, doffs;
+  uint8_t *dest;
+
+  fb_offs = y * 1024 + x;
+  dest = (uint8_t *)screen_buf;
+
+  // only do centering, at least for now
+  doffs = (stride - w) / 2 & ~1;
+
+  if (gpu.status.rgb24)
+  {
+#ifndef MAEMO
+    dest += (doffs / 8) * 24;
+    for (; h-- > 0; dest += stride * 3, fb_offs += 1024)
+    {
+      fb_offs &= 1024*512-1;
+      bgr888_to_rgb888(dest, vram + fb_offs, w * 3);
+    }
+#else
+    dest += doffs * 2;
+    for (; h-- > 0; dest += stride * 2, fb_offs += 1024)
+    {
+      fb_offs &= 1024*512-1;
+      bgr888_to_rgb565(dest, vram + fb_offs, w * 3);
+    }
+#endif
+  }
+  else
+  {
+    dest += doffs * 2;
+    for (; h-- > 0; dest += stride * 2, fb_offs += 1024)
+    {
+      fb_offs &= 1024*512-1;
+      bgr555_to_rgb565(dest, vram + fb_offs, w * 2);
+    }
+  }
+
+  screen_buf = cbs->pl_vout_flip();
+}
+
+void vout_update(void)
+{
+  check_mode_change();
+  if (cbs->pl_vout_raw_flip)
+    cbs->pl_vout_raw_flip(gpu.screen.x, gpu.screen.y);
+  else
+    blit();
+}
+
+long GPUopen(void **unused)
+{
+  gpu.frameskip.active = 0;
+  gpu.frameskip.frame_ready = 1;
+
+  cbs->pl_vout_open();
+  screen_buf = cbs->pl_vout_flip();
+  return 0;
+}
+
+long GPUclose(void)
+{
+  cbs->pl_vout_close();
+  return 0;
+}
+
+void vout_set_config(const struct rearmed_cbs *cbs_)
+{
+  cbs = cbs_;
+}
+
+// vim:shiftwidth=2:expandtab