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annotate Makefile.minimal @ 3899:081aecdb0911 SDL-1.2

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From: Gabriel Gambetta To: SDL Mailing List <sdl@libsdl.org> Date: Fri, 17 Nov 2006 00:39:29 -0200 Subject: [SDL] Alpha blending bug - fixed? It turns out mm5 never got the correct value. This failed : [...] "movd %1, %%mm5\n\t" : : "m" (amask), "m" (sf->Ashift) ); mm5 got 0xFF000018 instead of 0x00000018. However I did this : Uint32 ashift = sf->Ashift; [...] "movd %1, %%mm5\n\t" : : "m" (amask), "m" (ashift) ); and everything worked fine. The only thing I could find out was that ashift is 32-bit aligned but sf->Ashift isn't: printf("ashift %8X [%d]\n", &ashift, (int)(&ashift) % 4); printf("sf->Ashift %8X [%d]\n", &sf->Ashift, (int)(&sf->Ashift) % 4); ashift at BFF0E0C4 [0] sf->Ashift at 08AFB9CD [1] Could this be the problem? If it is, the fix is extremely trivial. Should I submit a patch? --Gabriel
author Ryan C. Gordon <icculus@icculus.org>
date Tue, 21 Nov 2006 23:17:00 +0000
parents 64710b9f3eeb
children a72a5f62d6b7
rev   line source
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b2b476a4a73c Added documentation on how to build a completely useless SDL library. :)
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1 # Makefile to build the SDL library
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2
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3 INCLUDE = -I./include
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4 CFLAGS = -g -O2 $(INCLUDE)
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5 AR = ar
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6 RANLIB = ranlib
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7
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8 CONFIG_H = include/SDL_config.h
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9 TARGET = libSDL.a
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10 SOURCES = \
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11 src/*.c \
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12 src/audio/*.c \
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13 src/cdrom/*.c \
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14 src/cpuinfo/*.c \
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15 src/events/*.c \
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16 src/file/*.c \
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17 src/joystick/*.c \
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18 src/stdlib/*.c \
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19 src/thread/*.c \
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20 src/timer/*.c \
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21 src/video/*.c \
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38c1eb6b0083 By default all the real targets have dummy audio/video and disk audio.
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22 src/audio/dummy/*.c \
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23 src/video/dummy/*.c \
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24 src/joystick/dummy/*.c \
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25 src/cdrom/dummy/*.c \
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26 src/thread/generic/*.c \
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27 src/timer/dummy/*.c \
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28 src/loadso/dummy/*.c \
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29
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30 OBJECTS = $(shell echo $(SOURCES) | sed -e 's,\.c,\.o,g')
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31
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32 all: $(TARGET)
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33
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34 $(TARGET): $(CONFIG_H) $(OBJECTS)
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35 $(AR) crv $@ $^
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36 $(RANLIB) $@
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37
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38 $(CONFIG_H):
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39 cp $(CONFIG_H).default $(CONFIG_H)
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41 clean:
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42 rm -f $(TARGET) $(OBJECTS)