Use system copy of media-libs/jpeg wrt #252719.

(Portage version: 2.2_rc63/cvs/Linux x86_64)

2 files changed, 433 insertions, 0 deletions

diff --git a/games-fps/tremulous/files/tremulous-1.1.0-system_jpeg-2.patch b/games-fps/tremulous/files/tremulous-1.1.0-system_jpeg-2.patch
new file mode 100644
index 000000000000..d2ade8e5333e
--- /dev/null
+++ b/games-fps/tremulous/files/tremulous-1.1.0-system_jpeg-2.patch
@@ -0,0 +1,174 @@
+--- /dev/null
++++ src/renderer/jpeg_memsrc.h
+@@ -0,0 +1,5 @@
++#include <stdio.h>
++#include <jpeglib.h>
++
++void jpeg_memory_src (j_decompress_ptr cinfo, const JOCTET * buffer,
++  size_t bufsize);
+--- /dev/null
++++ src/renderer/jpeg_memsrc.c
+@@ -0,0 +1,163 @@
++/*
++* memsrc.c
++*
++* Copyright (C) 1994-1996, Thomas G. Lane.
++* This file is part of the Independent JPEG Group's software.
++* For conditions of distribution and use, see the accompanying README file.
++*
++* This file contains decompression data source routines for the case of
++* reading JPEG data from a memory buffer that is preloaded with the entire
++* JPEG file. This would not seem especially useful at first sight, but
++* a number of people have asked for it.
++* This is really just a stripped-down version of jdatasrc.c. Comparison
++* of this code with jdatasrc.c may be helpful in seeing how to make
++* custom source managers for other purposes.
++*/
++
++/* this is not a core library module, so it doesn't define JPEG_INTERNALS */
++#include <stdio.h>
++#include <jpeglib.h>
++#include <jerror.h>
++
++
++/* Expanded data source object for memory input */
++
++typedef struct {
++struct jpeg_source_mgr pub; /* public fields */
++
++JOCTET eoi_buffer[2]; /* a place to put a dummy EOI */
++} my_source_mgr;
++
++typedef my_source_mgr * my_src_ptr;
++
++
++/*
++* Initialize source --- called by jpeg_read_header
++* before any data is actually read.
++*/
++
++METHODDEF(void)
++init_source (j_decompress_ptr cinfo)
++{
++/* No work, since jpeg_memory_src set up the buffer pointer and count.
++* Indeed, if we want to read multiple JPEG images from one buffer,
++* this *must* not do anything to the pointer.
++*/
++}
++
++
++/*
++* Fill the input buffer --- called whenever buffer is emptied.
++*
++* In this application, this routine should never be called; if it is called,
++* the decompressor has overrun the end of the input buffer, implying we
++* supplied an incomplete or corrupt JPEG datastream. A simple error exit
++* might be the most appropriate response.
++*
++* But what we choose to do in this code is to supply dummy EOI markers
++* in order to force the decompressor to finish processing and supply
++* some sort of output image, no matter how corrupted.
++*/
++
++METHODDEF(boolean)
++fill_input_buffer (j_decompress_ptr cinfo)
++{
++my_src_ptr src = (my_src_ptr) cinfo->src;
++
++WARNMS(cinfo, JWRN_JPEG_EOF);
++
++/* Create a fake EOI marker */
++src->eoi_buffer[0] = (JOCTET) 0xFF;
++src->eoi_buffer[1] = (JOCTET) JPEG_EOI;
++src->pub.next_input_byte = src->eoi_buffer;
++src->pub.bytes_in_buffer = 2;
++
++return TRUE;
++}
++
++
++/*
++* Skip data --- used to skip over a potentially large amount of
++* uninteresting data (such as an APPn marker).
++*
++* If we overrun the end of the buffer, we let fill_input_buffer deal with
++* it. An extremely large skip could cause some time-wasting here, but
++* it really isn't supposed to happen ... and the decompressor will never
++* skip more than 64K anyway.
++*/
++
++METHODDEF(void)
++skip_input_data (j_decompress_ptr cinfo, long num_bytes)
++{
++my_src_ptr src = (my_src_ptr) cinfo->src;
++
++if (num_bytes > 0) {
++while (num_bytes > (long) src->pub.bytes_in_buffer) {
++num_bytes -= (long) src->pub.bytes_in_buffer;
++(void) fill_input_buffer(cinfo);
++/* note we assume that fill_input_buffer will never return FALSE,
++* so suspension need not be handled.
++*/
++}
++src->pub.next_input_byte += (size_t) num_bytes;
++src->pub.bytes_in_buffer -= (size_t) num_bytes;
++}
++}
++
++
++/*
++* An additional method that can be provided by data source modules is the
++* resync_to_restart method for error recovery in the presence of RST markers.
++* For the moment, this source module just uses the default resync method
++* provided by the JPEG library. That method assumes that no backtracking
++* is possible.
++*/
++
++
++/*
++* Terminate source --- called by jpeg_finish_decompress
++* after all data has been read. Often a no-op.
++*
++* NB: *not* called by jpeg_abort or jpeg_destroy; surrounding
++* application must deal with any cleanup that should happen even
++* for error exit.
++*/
++
++METHODDEF(void)
++term_source (j_decompress_ptr cinfo)
++{
++/* no work necessary here */
++}
++
++
++/*
++* Prepare for input from a memory buffer.
++*/
++
++GLOBAL(void)
++jpeg_memory_src (j_decompress_ptr cinfo, const JOCTET * buffer, size_t bufsize)
++{
++my_src_ptr src;
++
++/* The source object is made permanent so that a series of JPEG images
++* can be read from a single buffer by calling jpeg_memory_src
++* only before the first one.
++* This makes it unsafe to use this manager and a different source
++* manager serially with the same JPEG object. Caveat programmer.
++*/
++if (cinfo->src == NULL) { /* first time for this JPEG object? */
++cinfo->src = (struct jpeg_source_mgr *)
++(*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_PERMANENT,
++sizeof(my_source_mgr));
++}
++
++src = (my_src_ptr) cinfo->src;
++src->pub.init_source = init_source;
++src->pub.fill_input_buffer = fill_input_buffer;
++src->pub.skip_input_data = skip_input_data;
++src->pub.resync_to_restart = jpeg_resync_to_restart; /* use default method */
++src->pub.term_source = term_source;
++
++src->pub.next_input_byte = buffer;
++src->pub.bytes_in_buffer = bufsize;
++}
diff --git a/games-fps/tremulous/files/tremulous-1.1.0-system_jpeg.patch b/games-fps/tremulous/files/tremulous-1.1.0-system_jpeg.patch
new file mode 100644
index 000000000000..d8f0f980dc13
--- /dev/null
+++ b/games-fps/tremulous/files/tremulous-1.1.0-system_jpeg.patch
@@ -0,0 +1,259 @@
+--- Makefile
++++ Makefile
+@@ -91,6 +91,10 @@
+ USE_OPENAL=1
+ endif
+ 
++ifndef USE_SYSTEM_JPEG
++USE_SYSTEM_JPEG=1
++endif
++
+ ifndef USE_OPENAL_DLOPEN
+ USE_OPENAL_DLOPEN=0
+ endif
+@@ -193,6 +197,10 @@
+     endif
+   endif
+ 
++  ifeq ($(USE_SYSTEM_JPEG),1)
++      BASE_CFLAGS += -DUSE_SYSTEM_JPEG=1
++  endif
++
+   ifeq ($(USE_CURL),1)
+     BASE_CFLAGS += -DUSE_CURL=1
+     ifeq ($(USE_CURL_DLOPEN),1)
+@@ -269,6 +277,10 @@
+     CLIENT_LDFLAGS += -lvorbisfile -lvorbis -logg
+   endif
+ 
++  ifeq ($(USE_SYSTEM_JPEG),1)
++    CLIENT_LDFLAGS += -ljpeg
++  endif
++
+   ifeq ($(ARCH),x86)
+     # linux32 make ...
+     BASE_CFLAGS += -m32
+@@ -928,6 +940,33 @@
+   $(B)/client/vm.o \
+   $(B)/client/vm_interpreted.o \
+   \
++  $(B)/client/tr_animation.o \
++  $(B)/client/tr_backend.o \
++  $(B)/client/tr_bloom.o \
++  $(B)/client/tr_bsp.o \
++  $(B)/client/tr_cmds.o \
++  $(B)/client/tr_curve.o \
++  $(B)/client/tr_flares.o \
++  $(B)/client/tr_font.o \
++  $(B)/client/tr_image.o \
++  $(B)/client/tr_init.o \
++  $(B)/client/tr_light.o \
++  $(B)/client/tr_main.o \
++  $(B)/client/tr_marks.o \
++  $(B)/client/tr_mesh.o \
++  $(B)/client/tr_model.o \
++  $(B)/client/tr_noise.o \
++  $(B)/client/tr_scene.o \
++  $(B)/client/tr_shade.o \
++  $(B)/client/tr_shade_calc.o \
++  $(B)/client/tr_shader.o \
++  $(B)/client/tr_shadows.o \
++  $(B)/client/tr_sky.o \
++  $(B)/client/tr_surface.o \
++  $(B)/client/tr_world.o \
++
++ifneq ($(USE_SYSTEM_JPEG),1)
++  Q3OBJ += \
+   $(B)/client/jcapimin.o \
+   $(B)/client/jchuff.o   \
+   $(B)/client/jcinit.o \
+@@ -961,32 +1000,10 @@
+   $(B)/client/jidctflt.o \
+   $(B)/client/jmemmgr.o \
+   $(B)/client/jmemnobs.o \
+-  $(B)/client/jutils.o \
+-  \
+-  $(B)/client/tr_animation.o \
+-  $(B)/client/tr_backend.o \
+-  $(B)/client/tr_bloom.o \
+-  $(B)/client/tr_bsp.o \
+-  $(B)/client/tr_cmds.o \
+-  $(B)/client/tr_curve.o \
+-  $(B)/client/tr_flares.o \
+-  $(B)/client/tr_font.o \
+-  $(B)/client/tr_image.o \
+-  $(B)/client/tr_init.o \
+-  $(B)/client/tr_light.o \
+-  $(B)/client/tr_main.o \
+-  $(B)/client/tr_marks.o \
+-  $(B)/client/tr_mesh.o \
+-  $(B)/client/tr_model.o \
+-  $(B)/client/tr_noise.o \
+-  $(B)/client/tr_scene.o \
+-  $(B)/client/tr_shade.o \
+-  $(B)/client/tr_shade_calc.o \
+-  $(B)/client/tr_shader.o \
+-  $(B)/client/tr_shadows.o \
+-  $(B)/client/tr_sky.o \
+-  $(B)/client/tr_surface.o \
+-  $(B)/client/tr_world.o \
++  $(B)/client/jutils.o
++else
++  Q3OBJ += $(B)/client/jpeg_memsrc.o
++endif
+ 
+ ifeq ($(ARCH),x86)
+   Q3OBJ += \
+@@ -1284,8 +1301,12 @@
+ $(B)/client/%.o: $(BLIBDIR)/%.c
+ 	$(DO_BOT_CC)
+ 
++ifneq ($(USE_SYSTEM_JPEG),1)
+ $(B)/client/%.o: $(JPDIR)/%.c
+ 	$(DO_CC)
++else
++$(B)/client/jmemnobs.o : $(JPDIR)/jmemnobs.c; $(DO_CC)  $(GL_CFLAGS) $(MINGW_CFLAGS)
++endif
+ 
+ $(B)/client/%.o: $(RDIR)/%.c
+ 	$(DO_CC)
+--- src/jpeg-6/jmemnobs.c
++++ src/jpeg-6/jmemnobs.c
+@@ -16,11 +16,23 @@
+  */
+ 
+ #include "../renderer/tr_local.h"
++#ifdef USE_SYSTEM_JPEG
++#include <stdio.h>
++#include <stdlib.h>
++#include <jpeglib.h>
++
++#undef GLOBAL
++#define GLOBAL
++#define FAR
+ 
++typedef void * backing_store_ptr;
++
++#else
+ #define JPEG_INTERNALS
+ #include "jinclude.h"
+ #include "jpeglib.h"
+ #include "jmemsys.h"		/* import the system-dependent declarations */
++#endif
+ 
+ /*
+  * Memory allocation and ri.Freeing are controlled by the regular library
+@@ -83,7 +95,13 @@
+ jpeg_open_backing_store (j_common_ptr cinfo, backing_store_ptr info,
+ 			 long total_bytes_needed)
+ {
+-  ERREXIT(cinfo, JERR_NO_BACKING_STORE);
++#ifdef USE_SYSTEM_JPEG
++  fprintf(stderr,
++    "jmemnobs.c: jpeg_open_backing_store() call, this should never happen!\n");
++  exit(1);
++#else
++ERREXIT(cinfo, JERR_NO_BACKING_STORE);
++#endif
+ }
+ 
+ 
+--- src/renderer/tr_image.c
++++ src/renderer/tr_image.c
+@@ -31,8 +31,13 @@
+  * You may also wish to include "jerror.h".
+  */
+ 
++#ifdef USE_SYSTEM_JPEG
++#include <jpeglib.h>
++#include "jpeg_memsrc.h"
++#else
+ #define JPEG_INTERNALS
+ #include "../jpeg-6/jpeglib.h"
++#endif
+ 
+ #include "../qcommon/puff.h"
+ 
+@@ -1409,6 +1414,12 @@
+   unsigned char *out;
+   byte	*fbuffer;
+   byte  *buf;
++  size_t bufsize;
++#ifdef USE_SYSTEM_JPEG
++  int i,j;
++  byte *inptr, *outptr;
++#endif
++
+ 
+   /* In this example we want to open the input file before doing anything else,
+    * so that the setjmp() error recovery below can assume the file is open.
+@@ -1416,7 +1427,7 @@
+    * requires it in order to read binary files.
+    */
+ 
+-  ri.FS_ReadFile ( ( char * ) filename, (void **)&fbuffer);
++  bufsize = ri.FS_ReadFile ( ( char * ) filename, (void **)&fbuffer);
+   if (!fbuffer) {
+ 	return;
+   }
+@@ -1434,8 +1445,11 @@
+   jpeg_create_decompress(&cinfo);
+ 
+   /* Step 2: specify data source (eg, a file) */
+-
++#ifdef USE_SYSTEM_JPEG
++  jpeg_memory_src(&cinfo, fbuffer, bufsize);
++#else
+   jpeg_stdio_src(&cinfo, fbuffer);
++#endif
+ 
+   /* Step 3: read file parameters with jpeg_read_header() */
+ 
+@@ -1478,7 +1492,7 @@
+   }
+ 
+   memcount = pixelcount * 4;
+-  row_stride = cinfo.output_width * cinfo.output_components;
++  row_stride = cinfo.output_width * 4;
+ 
+   out = ri.Malloc(memcount);
+ 
+@@ -1499,6 +1513,21 @@
+ 	buf = ((out+(row_stride*cinfo.output_scanline)));
+ 	buffer = &buf;
+     (void) jpeg_read_scanlines(&cinfo, buffer, 1);
++#ifdef USE_SYSTEM_JPEG
++    /* we have RGB data, we need to expand this out to ARGB */
++    inptr = buf + cinfo.output_width * 3 - 1;
++    outptr = buf + row_stride - 1;
++
++    for (i = 0; i < cinfo.output_width; i++) {
++      /* endian dependent? maybe for big endian this must be done after the
++         color/pixel copy? */
++      *outptr-- = 255;
++      for (j = 0; j < 3; j++) {
++        JOCTET color = *inptr--;
++        *outptr-- = color;
++      }
++    }
++#endif
+   }
+   
+   buf = out;
+@@ -1617,6 +1646,7 @@
+   return TRUE;
+ }
+ 
++#ifndef USE_SYSTEM_JPEG
+ 
+ /*
+  * Compression initialization.
+@@ -1709,6 +1739,8 @@
+   return row_ctr;
+ }
+ 
++#endif
++
+ /*
+  * Terminate destination --- called by jpeg_finish_compress
+  * after all data has been written.  Usually needs to flush buffer.