From 7d993ee2dec1905c689ec0787f6543247fae665c Mon Sep 17 00:00:00 2001
From: notaz <notasas@gmail.com>
Date: Sat, 10 Dec 2011 23:52:12 +0200
Subject: [PATCH 1/1] gpu_neon: update for armv5pollux build

---
 plugins/gpu_neon/Makefile  | 16 ++++++++++++++--
 plugins/gpu_neon/gpu.c     |  2 +-
 plugins/gpu_neon/vout_fb.c | 29 +++++++++++++++++++----------
 3 files changed, 34 insertions(+), 13 deletions(-)

diff --git a/plugins/gpu_neon/Makefile b/plugins/gpu_neon/Makefile
index 07787546..f2277522 100644
--- a/plugins/gpu_neon/Makefile
+++ b/plugins/gpu_neon/Makefile
@@ -9,8 +9,15 @@ CFLAGS += -fno-strict-aliasing
 
 SRC += gpu.c
 ifeq "$(ARCH)" "arm"
+ARM_CORTEXA8 ?= 1
+ifeq "$(ARM_CORTEXA8)" "1"
 CFLAGS += -mcpu=cortex-a8 -mtune=cortex-a8 -mfpu=neon -mfloat-abi=softfp
-SRC += vout_fb.c ../../frontend/cspace_neon.s
+SRC += ../../frontend/cspace_neon.s
+else
+CFLAGS += -mcpu=arm926ej-s -mtune=arm926ej-s
+SRC += ../../frontend/cspace.c
+endif
+SRC += vout_fb.c
 EXT = so
 endif
 ifeq "$(ARCH)" "x86_64"
@@ -20,7 +27,12 @@ SRC += vout_sdl.c
 EXT = so.x86
 endif
 
-TARGETS = gpu_neon.$(EXT) gpu_peops.$(EXT) gpu_unai.$(EXT)
+HAVE_NEON = $(shell $(CC_) -E -dD $(CFLAGS) gpu.h | grep -q '__ARM_NEON__ 1' && echo 1)
+
+TARGETS = gpu_peops.$(EXT) gpu_unai.$(EXT)
+ifeq "$(HAVE_NEON)" "1"
+TARGETS += gpu_neon.$(EXT)
+endif
 
 gpu_neon.$(EXT): SRC += psx_gpu_if.c
 gpu_neon.$(EXT): CFLAGS += -fno-strict-aliasing
diff --git a/plugins/gpu_neon/gpu.c b/plugins/gpu_neon/gpu.c
index 3f21fa99..24f731e4 100644
--- a/plugins/gpu_neon/gpu.c
+++ b/plugins/gpu_neon/gpu.c
@@ -24,7 +24,7 @@
 //#define log_anomaly gpu_log
 #define log_anomaly(...)
 
-struct psx_gpu gpu __attribute__((aligned(64)));
+struct psx_gpu gpu __attribute__((aligned(2048)));
 
 static noinline void do_reset(void)
 {
diff --git a/plugins/gpu_neon/vout_fb.c b/plugins/gpu_neon/vout_fb.c
index 864776ec..b84a86b9 100644
--- a/plugins/gpu_neon/vout_fb.c
+++ b/plugins/gpu_neon/vout_fb.c
@@ -25,10 +25,23 @@ int vout_finish(void)
   return 0;
 }
 
-static void blit(void)
+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;
@@ -39,14 +52,6 @@ static void blit(void)
   uint8_t *dest;
 
   fb_offs = y * 1024 + x;
-
-  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_vout_set_mode(stride, h, gpu.status.rgb24 ? 24 : 16);
-  }
-
   dest = (uint8_t *)screen_buf;
 
   // only do centering, at least for now
@@ -97,7 +102,11 @@ void GPUupdateLace(void)
   }
 
   renderer_flush_queues();
-  blit();
+  check_mode_change();
+  if (cbs->pl_vout_raw_flip)
+    cbs->pl_vout_raw_flip(gpu.screen.x, gpu.screen.y);
+  else
+    blit();
   gpu.state.fb_dirty = 0;
 }
 
-- 
2.39.2