#             __________               __   ___.
#   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
#   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
#   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
#   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
#                     \/            \/     \/    \/            \/
# $Id$
#

# single-file plugins:
PLUGINS_SRC = $(call preprocess, $(APPSDIR)/plugins/SOURCES)
OTHER_SRC += $(PLUGINS_SRC)
ROCKS1 := $(PLUGINS_SRC:.c=.rock)
ROCKS1 := $(subst $(ROOTDIR),$(BUILDDIR),$(ROCKS1))

ROCKS := $(ROCKS1)

ROCKS1 := $(ROCKS1:%.lua=)

# libplugin.a
PLUGINLIB := $(BUILDDIR)/apps/plugins/libplugin.a
PLUGINLIB_SRC = $(call preprocess, $(APPSDIR)/plugins/lib/SOURCES)
OTHER_SRC += $(PLUGINLIB_SRC)

PLUGINLIB_OBJ := $(PLUGINLIB_SRC:.c=.o)
PLUGINLIB_OBJ := $(PLUGINLIB_OBJ:.S=.o)
PLUGINLIB_OBJ := $(subst $(ROOTDIR),$(BUILDDIR),$(PLUGINLIB_OBJ))

### build data / rules
ifndef APP_TYPE
CONFIGFILE := $(FIRMDIR)/export/config/$(MODELNAME).h
PLUGIN_LDS := $(APPSDIR)/plugins/plugin.lds
PLUGINLINK_LDS := $(BUILDDIR)/apps/plugins/plugin.link
OVERLAYREF_LDS := $(BUILDDIR)/apps/plugins/overlay_ref.link
endif

# multifile plugins (subdirs):
PLUGINSUBDIRS := $(call preprocess, $(APPSDIR)/plugins/SUBDIRS)

# include <dir>.make from each subdir (yay!)
$(foreach dir,$(PLUGINSUBDIRS),$(eval include $(dir)/$(notdir $(dir)).make))

OTHER_INC += -I$(APPSDIR)/plugins -I$(APPSDIR)/plugins/lib

# special compile flags for plugins:
PLUGINFLAGS = -I$(APPSDIR)/plugins -DPLUGIN $(CFLAGS)

# single-file plugins depend on their respective .o
$(ROCKS1): $(BUILDDIR)/%.rock: $(BUILDDIR)/%.o

# dependency for all plugins
$(ROCKS): $(APPSDIR)/plugin.h $(PLUGINLINK_LDS) $(PLUGINLIB) $(PLUGINBITMAPLIB)

$(PLUGINLIB): $(PLUGINLIB_OBJ)
	$(SILENT)$(shell rm -f $@)
	$(call PRINTS,AR $(@F))$(AR) rcs $@ $^ >/dev/null

$(PLUGINLINK_LDS): $(PLUGIN_LDS) $(CONFIGFILE)
	$(call PRINTS,PP $(@F))
	$(shell mkdir -p $(dir $@))
	$(call preprocess2file,$<,$@,-DLOADADDRESS=$(LOADADDRESS))

$(OVERLAYREF_LDS): $(PLUGIN_LDS)
	$(call PRINTS,PP $(@F))
	$(shell mkdir -p $(dir $@))
	$(call preprocess2file,$<,$@,-DOVERLAY_OFFSET=0)

$(BUILDDIR)/credits.raw credits.raw: $(DOCSDIR)/CREDITS
	$(call PRINTS,Create credits.raw)perl $(APPSDIR)/plugins/credits.pl < $< > $(BUILDDIR)/$(@F)

# special dependencies
$(BUILDDIR)/apps/plugins/wav2wv.rock: $(BUILDDIR)/apps/codecs/libwavpack.a $(PLUGINLIB)

# special pattern rule for compiling plugin lib (with function and data sections)
$(BUILDDIR)/apps/plugins/lib/%.o: $(ROOTDIR)/apps/plugins/lib/%.c
	$(SILENT)mkdir -p $(dir $@)
	$(call PRINTS,CC $(subst $(ROOTDIR)/,,$<))$(CC) -I$(dir $<) $(PLUGINFLAGS) -ffunction-sections -fdata-sections -c $< -o $@

# special pattern rule for compiling plugins with extra flags
$(BUILDDIR)/apps/plugins/%.o: $(ROOTDIR)/apps/plugins/%.c
	$(SILENT)mkdir -p $(dir $@)
	$(call PRINTS,CC $(subst $(ROOTDIR)/,,$<))$(CC) -I$(dir $<) $(PLUGINFLAGS) -c $< -o $@

ifdef APP_TYPE
 PLUGINLDFLAGS = $(SHARED_FLAG) # <-- from Makefile
else
 PLUGINLDFLAGS = -T$(PLUGINLINK_LDS) -Wl,--gc-sections -Wl,-Map,$*.map
 OVERLAYLDFLAGS = -T$(OVERLAYREF_LDS) -Wl,--gc-sections -Wl,-Map,$*.refmap
endif
PLUGINLDFLAGS += $(GLOBAL_LDOPTS)

$(BUILDDIR)/%.rock:
	$(call PRINTS,LD $(@F))$(CC) $(PLUGINFLAGS) -o $(BUILDDIR)/$*.elf \
		$(filter %.o, $^) \
		$(filter %.a, $+) \
		-lgcc $(PLUGINLDFLAGS)
ifdef APP_TYPE
	$(SILENT)cp $(BUILDDIR)/$*.elf $@
else
	$(SILENT)$(OC) -O binary $(BUILDDIR)/$*.elf $@
endif

$(BUILDDIR)/apps/plugins/%.lua: $(ROOTDIR)/apps/plugins/%.lua
	$(call PRINTS,CP $(subst $(ROOTDIR)/,,$<))cp $< $(BUILDDIR)/apps/plugins/

$(BUILDDIR)/%.refmap: $(APPSDIR)/plugin.h $(OVERLAYREF_LDS) $(PLUGINLIB) $(PLUGINBITMAPLIB)
	$(call PRINTS,LD $(@F))$(CC) $(PLUGINFLAGS) -o /dev/null \
		$(filter %.o, $^) \
		$(filter %.a, $+) \
		-lgcc $(OVERLAYLDFLAGS)
href='#n10'>10</a>
<a id='n11' href='#n11'>11</a>
<a id='n12' href='#n12'>12</a>
<a id='n13' href='#n13'>13</a>
<a id='n14' href='#n14'>14</a>
<a id='n15' href='#n15'>15</a>
<a id='n16' href='#n16'>16</a>
<a id='n17' href='#n17'>17</a>
<a id='n18' href='#n18'>18</a>
<a id='n19' href='#n19'>19</a>
<a id='n20' href='#n20'>20</a>
<a id='n21' href='#n21'>21</a>
<a id='n22' href='#n22'>22</a>
<a id='n23' href='#n23'>23</a>
<a id='n24' href='#n24'>24</a>
<a id='n25' href='#n25'>25</a>
<a id='n26' href='#n26'>26</a>
<a id='n27' href='#n27'>27</a>
<a id='n28' href='#n28'>28</a>
<a id='n29' href='#n29'>29</a>
<a id='n30' href='#n30'>30</a>
<a id='n31' href='#n31'>31</a>
<a id='n32' href='#n32'>32</a>
<a id='n33' href='#n33'>33</a>
<a id='n34' href='#n34'>34</a>
<a id='n35' href='#n35'>35</a>
<a id='n36' href='#n36'>36</a>
<a id='n37' href='#n37'>37</a>
<a id='n38' href='#n38'>38</a>
<a id='n39' href='#n39'>39</a>
<a id='n40' href='#n40'>40</a>
<a id='n41' href='#n41'>41</a>
<a id='n42' href='#n42'>42</a>
<a id='n43' href='#n43'>43</a>
<a id='n44' href='#n44'>44</a>
<a id='n45' href='#n45'>45</a>
<a id='n46' href='#n46'>46</a>
<a id='n47' href='#n47'>47</a>
<a id='n48' href='#n48'>48</a>
<a id='n49' href='#n49'>49</a>
<a id='n50' href='#n50'>50</a>
<a id='n51' href='#n51'>51</a>
<a id='n52' href='#n52'>52</a>
<a id='n53' href='#n53'>53</a>
<a id='n54' href='#n54'>54</a>
<a id='n55' href='#n55'>55</a>
<a id='n56' href='#n56'>56</a>
<a id='n57' href='#n57'>57</a>
<a id='n58' href='#n58'>58</a>
<a id='n59' href='#n59'>59</a>
<a id='n60' href='#n60'>60</a>
<a id='n61' href='#n61'>61</a>
<a id='n62' href='#n62'>62</a>
<a id='n63' href='#n63'>63</a>
<a id='n64' href='#n64'>64</a>
<a id='n65' href='#n65'>65</a>
<a id='n66' href='#n66'>66</a>
<a id='n67' href='#n67'>67</a>
<a id='n68' href='#n68'>68</a>
<a id='n69' href='#n69'>69</a>
<a id='n70' href='#n70'>70</a>
<a id='n71' href='#n71'>71</a>
<a id='n72' href='#n72'>72</a>
<a id='n73' href='#n73'>73</a>
<a id='n74' href='#n74'>74</a>
<a id='n75' href='#n75'>75</a>
<a id='n76' href='#n76'>76</a>
<a id='n77' href='#n77'>77</a>
<a id='n78' href='#n78'>78</a>
<a id='n79' href='#n79'>79</a>
<a id='n80' href='#n80'>80</a>
<a id='n81' href='#n81'>81</a>
<a id='n82' href='#n82'>82</a>
<a id='n83' href='#n83'>83</a>
<a id='n84' href='#n84'>84</a>
<a id='n85' href='#n85'>85</a>
</pre></td>
<td class='lines'><pre><code><span class="hl com">--[[ Lua Blit Operations</span>
<span class="hl com">/***************************************************************************</span>
<span class="hl com"> *             __________               __   ___.</span>
<span class="hl com"> *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___</span>
<span class="hl com"> *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /</span>
<span class="hl com"> *   Jukebox    |    |   (  &lt;_&gt; )  \___|    &lt; | \_\ (  &lt;_&gt; &gt; &lt;  &lt;</span>
<span class="hl com"> *   Firmware   |____|_  /\____/ \___  &gt;__|_ \|___  /\____/__/\_ \</span>
<span class="hl com"> *                     \/            \/     \/    \/            \/</span>
<span class="hl com"> * $Id$</span>
<span class="hl com"> *</span>
<span class="hl com"> * Copyright (C) 2017 William Wilgus</span>
<span class="hl com"> *</span>
<span class="hl com"> * This program is free software; you can redistribute it and/or</span>
<span class="hl com"> * modify it under the terms of the GNU General Public License</span>
<span class="hl com"> * as published by the Free Software Foundation; either version 2</span>
<span class="hl com"> * of the License, or (at your option) any later version.</span>
<span class="hl com"> *</span>
<span class="hl com"> * This software is distributed on an &quot;AS IS&quot; basis, WITHOUT WARRANTY OF ANY</span>
<span class="hl com"> * KIND, either express or implied.</span>
<span class="hl com"> *</span>
<span class="hl com"> ****************************************************************************/</span>
<span class="hl com">]]</span>

<span class="hl com">--[[</span>
<span class="hl com">copy(dst, src, [dx, dy, sx, sy, offset_x, offset_y, clip, _blit.OP, clr/customfunct])</span>
<span class="hl com"> blit allows you to copy a [portion of a] source image to a dest image applying</span>
<span class="hl com"> a transformation operation to the pixels as they are copied</span>
<span class="hl com"> offsets are auto calculated if left empty or out of range</span>
<span class="hl com"> blit will default to copy if operation is empty or out of range</span>
<span class="hl com"></span>
<span class="hl com">it is slightly faster to use the number directly and you don't really</span>
<span class="hl com">    need to define all (any) of these if you don't use them but I put them</span>
<span class="hl com">    here for easier use of the blit function</span>
<span class="hl com">]]</span>