gpu_neon: split output code, some refactoring

[pcsx_rearmed.git] / plugins / gpu_neon / vout_fb.c

diff --git a/plugins/gpu_neon/vout_fb.c b/plugins/gpu_neon/vout_fb.c
new file mode 100644 (file)
index 0000000..7b77d78
--- /dev/null
+++ b/plugins/gpu_neon/vout_fb.c
@@ -0,0 +1,104 @@
+/*
+ * (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 "../../frontend/plugin_lib.h"
+#include "../../frontend/arm_utils.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 blit(void)
+{
+  static uint32_t old_status, old_h;
+  int x = gpu.screen.x & ~3; // alignment needed by blitter
+  int y = gpu.screen.y;
+  int w = gpu.screen.w;
+  int h;
+  uint16_t *srcs;
+  uint8_t  *dest;
+
+  srcs = &gpu.vram[y * 1024 + x];
+
+  h = gpu.screen.y2 - gpu.screen.y1;
+  if (gpu.status.dheight)
+    h *= 2;
+
+  if (h <= 0)
+    return;
+
+  if ((gpu.status.reg ^ old_status) & ((7<<16)|(1<<21)) || h != old_h) // width|rgb24 change?
+  {
+    old_status = gpu.status.reg;
+    old_h = h;
+    screen_buf = cbs->pl_fbdev_set_mode(w, h, gpu.status.rgb24 ? 24 : 16);
+  }
+  dest = screen_buf;
+
+  if (gpu.status.rgb24)
+  {
+#ifndef MAEMO
+    for (; h-- > 0; dest += w * 3, srcs += 1024)
+    {
+      bgr888_to_rgb888(dest, srcs, w * 3);
+    }
+#else
+    for (; h-- > 0; dest += w * 2, srcs += 1024)
+    {
+      bgr888_to_rgb565(dest, srcs, w * 3);
+    }
+#endif
+  }
+  else
+  {
+    for (; h-- > 0; dest += w * 2, srcs += 1024)
+    {
+      bgr555_to_rgb565(dest, srcs, w * 2);
+    }
+  }
+
+  screen_buf = cbs->pl_fbdev_flip();
+}
+
+void GPUupdateLace(void)
+{
+  if (!gpu.status.blanking)
+    blit();
+}
+
+long GPUopen(void)
+{
+  cbs->pl_fbdev_open();
+  screen_buf = cbs->pl_fbdev_flip();
+  return 0;
+}
+
+long GPUclose(void)
+{
+  cbs->pl_fbdev_close();
+  return 0;
+}
+
+void GPUrearmedCallbacks(const struct rearmed_cbs *cbs_)
+{
+  cbs = cbs_;
+}
+
+// vim:shiftwidth=2:expandtab