Build pictureflow using overlay on lowmem targets, support JPEG AA in PF on all targets.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@20864 a1c6a512-1295-4272-9138-f99709370657

apps/plugins/pictureflow/SOURCES

@@ -0,0 +1 @@
+pictureflow.c

apps/plugins/pictureflow/pictureflow.make

@@ -0,0 +1,58 @@
+#             __________               __   ___.
+#   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+#   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+#   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+#   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+#                     \/            \/     \/    \/            \/
+# $Id$
+#
+
+PICTUREFLOW_SRCDIR = $(APPSDIR)/plugins/pictureflow
+PICTUREFLOW_OBJDIR = $(BUILDDIR)/apps/plugins/pictureflow
+
+PICTUREFLOW_SRC := $(call preprocess, $(PICTUREFLOW_SRCDIR)/SOURCES)
+PICTUREFLOW_OBJ := $(call c2obj, $(PICTUREFLOW_SRC))
+
+OTHER_SRC += $(PICTUREFLOW_SRC)
+
+ifndef SIMVER
+ifneq (,$(strip $(foreach tgt,RECORDER ONDIO,$(findstring $(tgt),$(TARGET)))))
+    ### lowmem targets
+    ROCKS += $(PICTUREFLOW_OBJDIR)/pictureflow.ovl
+    PICTUREFLOW_OUTLDS = $(PICTUREFLOW_OBJDIR)/picutreflow.link
+    PICTUREFLOW_OVLFLAGS = -T$(PICTUREFLOW_OUTLDS) -Wl,--gc-sections -Wl,-Map,$(basename $@).map
+else
+    ### all other targets
+    ROCKS += $(PICTUREFLOW_OBJDIR)/pictureflow.rock
+endif
+else
+    ### simulator
+    ROCKS += $(PICTUREFLOW_OBJDIR)/pictureflow.rock
+endif
+
+ifeq ($(CPU),sh)
+# sh need to retain its' -Os
+PICTUREFLOWFLAGS = $(PLUGINFLAGS)
+else
+PICTUREFLOWFLAGS = $(filter-out -O%,$(PLUGINFLAGS)) -O2
+endif
+
+$(PICTUREFLOW_OBJDIR)/pictureflow.rock: $(PICTUREFLOW_OBJ)
+
+$(PICTUREFLOW_OBJDIR)/pictureflow.refmap: $(PICTUREFLOW_OBJ)
+
+$(PICTUREFLOW_OUTLDS): $(PLUGIN_LDS) $(PICTUREFLOW_OBJDIR)/pictureflow.refmap
+	$(call PRINTS,PP $(@F))$(call preprocess2file,$<,$@,-DOVERLAY_OFFSET=$(shell \
+		$(TOOLSDIR)/ovl_offset.pl $(PICTUREFLOW_OBJDIR)/pictureflow.refmap))
+
+$(PICTUREFLOW_OBJDIR)/pictureflow.ovl: $(PICTUREFLOW_OBJ) $(PICTUREFLOW_OUTLDS)
+	$(SILENT)$(CC) $(PLUGINFLAGS) -o $(basename $@).elf \
+		$(filter %.o, $^) \
+		$(filter %.a, $+) \
+		-lgcc $(PICTUREFLOW_OVLFLAGS)
+	$(call PRINTS,LD $(@F))$(OC) -O binary $(basename $@).elf $@
+
+# special pattern rule for compiling pictureflow with extra flags
+$(PICTUREFLOW_OBJDIR)/%.o: $(PICTUREFLOW_SRCDIR)/%.c $(PLUGINBITMAPLIB) $(PICTUREFLOW_SRCDIR)/pictureflow.make
+	$(SILENT)mkdir -p $(dir $@)
+	$(call PRINTS,CC $(subst $(ROOTDIR)/,,$<))$(CC) -I$(dir $<) $(PICTUREFLOWFLAGS) -c $< -o $@