From 876897a3742619cbdf24783621329ad59a9eec21 Mon Sep 17 00:00:00 2001 From: Liviu Ionescu Date: Thu, 29 Oct 2015 11:40:24 +0200 Subject: [PATCH] patch SDL_Image 1.2.10 --- gnuarmeclipse/patches/README.md | 19 ++ .../patches/sdl-image-1.2.10-setjmp.patch | 218 ++++++++++++++++++ 2 files changed, 237 insertions(+) create mode 100644 gnuarmeclipse/patches/README.md create mode 100644 gnuarmeclipse/patches/sdl-image-1.2.10-setjmp.patch diff --git a/gnuarmeclipse/patches/README.md b/gnuarmeclipse/patches/README.md new file mode 100644 index 0000000000..bcc74496a4 --- /dev/null +++ b/gnuarmeclipse/patches/README.md @@ -0,0 +1,19 @@ +These are small patches required to correct some problems identified in the official packages. + +## sdl-image-1.2.10-setjmp.patch + +There were too many errors, this patch actually updates the `IMG_png.c` file to the one used in 1.2.12. + +## Memo + +To create a patch: + + cd top + cp folder/file folder/file.patched + vi folder/file.patched + diff -u folder/file folder/file.patched >my.patch + +To apply the patch: + + cd top + patch -p0 + +- This library is free software; you can redistribute it and/or +- modify it under the terms of the GNU Lesser General Public +- License as published by the Free Software Foundation; either +- version 2.1 of the License, or (at your option) any later version. +- +- This library is distributed in the hope that it will be useful, +- but WITHOUT ANY WARRANTY; without even the implied warranty of +- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +- Lesser General Public License for more details. +- +- You should have received a copy of the GNU Lesser General Public +- License along with this library; if not, write to the Free Software +- Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +- +- Sam Lantinga +- slouken@libsdl.org ++ This software is provided 'as-is', without any express or implied ++ warranty. In no event will the authors be held liable for any damages ++ arising from the use of this software. ++ ++ Permission is granted to anyone to use this software for any purpose, ++ including commercial applications, and to alter it and redistribute it ++ freely, subject to the following restrictions: ++ ++ 1. The origin of this software must not be misrepresented; you must not ++ claim that you wrote the original software. If you use this software ++ in a product, an acknowledgment in the product documentation would be ++ appreciated but is not required. ++ 2. Altered source versions must be plainly marked as such, and must not be ++ misrepresented as being the original software. ++ 3. This notice may not be removed or altered from any source distribution. + */ + + #if !defined(__APPLE__) || defined(SDL_IMAGE_USE_COMMON_BACKEND) +@@ -71,6 +70,10 @@ + #endif + #include + ++/* Check for the older version of libpng */ ++#if (PNG_LIBPNG_VER_MAJOR == 1) && (PNG_LIBPNG_VER_MINOR < 4) ++#define LIBPNG_VERSION_12 ++#endif + + static struct { + int loaded; +@@ -80,6 +83,8 @@ + void (*png_destroy_read_struct) (png_structpp png_ptr_ptr, png_infopp info_ptr_ptr, png_infopp end_info_ptr_ptr); + png_uint_32 (*png_get_IHDR) (png_structp png_ptr, png_infop info_ptr, png_uint_32 *width, png_uint_32 *height, int *bit_depth, int *color_type, int *interlace_method, int *compression_method, int *filter_method); + png_voidp (*png_get_io_ptr) (png_structp png_ptr); ++ png_byte (*png_get_channels) (png_structp png_ptr, png_infop info_ptr); ++ png_uint_32 (*png_get_PLTE) (png_structp png_ptr, png_infop info_ptr, png_colorp *palette, int *num_palette); + png_uint_32 (*png_get_tRNS) (png_structp png_ptr, png_infop info_ptr, png_bytep *trans, int *num_trans, png_color_16p *trans_values); + png_uint_32 (*png_get_valid) (png_structp png_ptr, png_infop info_ptr, png_uint_32 flag); + void (*png_read_image) (png_structp png_ptr, png_bytepp image); +@@ -91,6 +96,9 @@ + void (*png_set_read_fn) (png_structp png_ptr, png_voidp io_ptr, png_rw_ptr read_data_fn); + void (*png_set_strip_16) (png_structp png_ptr); + int (*png_sig_cmp) (png_bytep sig, png_size_t start, png_size_t num_to_check); ++#ifndef LIBPNG_VERSION_12 ++ jmp_buf* (*png_set_longjmp_fn) (png_structp, png_longjmp_ptr, size_t); ++#endif + } lib; + + #ifdef LOAD_PNG_DYNAMIC +@@ -129,6 +137,13 @@ + SDL_UnloadObject(lib.handle); + return -1; + } ++ lib.png_get_channels = ++ (png_byte (*) (png_structp, png_infop)) ++ SDL_LoadFunction(lib.handle, "png_get_channels"); ++ if ( lib.png_get_channels == NULL ) { ++ SDL_UnloadObject(lib.handle); ++ return -1; ++ } + lib.png_get_io_ptr = + (png_voidp (*) (png_structp)) + SDL_LoadFunction(lib.handle, "png_get_io_ptr"); +@@ -136,6 +151,13 @@ + SDL_UnloadObject(lib.handle); + return -1; + } ++ lib.png_get_PLTE = ++ (png_uint_32 (*) (png_structp, png_infop, png_colorp *, int *)) ++ SDL_LoadFunction(lib.handle, "png_get_PLTE"); ++ if ( lib.png_get_PLTE == NULL ) { ++ SDL_UnloadObject(lib.handle); ++ return -1; ++ } + lib.png_get_tRNS = + (png_uint_32 (*) (png_structp, png_infop, png_bytep *, int *, png_color_16p *)) + SDL_LoadFunction(lib.handle, "png_get_tRNS"); +@@ -213,6 +235,15 @@ + SDL_UnloadObject(lib.handle); + return -1; + } ++#ifndef LIBPNG_VERSION_12 ++ lib.png_set_longjmp_fn = ++ (jmp_buf * (*) (png_structp, png_longjmp_ptr, size_t)) ++ SDL_LoadFunction(lib.handle, "png_set_longjmp_fn"); ++ if ( lib.png_set_longjmp_fn == NULL ) { ++ SDL_UnloadObject(lib.handle); ++ return -1; ++ } ++#endif + } + ++lib.loaded; + +@@ -236,7 +267,9 @@ + lib.png_create_read_struct = png_create_read_struct; + lib.png_destroy_read_struct = png_destroy_read_struct; + lib.png_get_IHDR = png_get_IHDR; ++ lib.png_get_channels = png_get_channels; + lib.png_get_io_ptr = png_get_io_ptr; ++ lib.png_get_PLTE = png_get_PLTE; + lib.png_get_tRNS = png_get_tRNS; + lib.png_get_valid = png_get_valid; + lib.png_read_image = png_read_image; +@@ -248,6 +281,9 @@ + lib.png_set_read_fn = png_set_read_fn; + lib.png_set_strip_16 = png_set_strip_16; + lib.png_sig_cmp = png_sig_cmp; ++#ifndef LIBPNG_VERSION_12 ++ lib.png_set_longjmp_fn = png_set_longjmp_fn; ++#endif + } + ++lib.loaded; + +@@ -303,7 +339,7 @@ + png_structp png_ptr; + png_infop info_ptr; + png_uint_32 width, height; +- int bit_depth, color_type, interlace_type; ++ int bit_depth, color_type, interlace_type, num_channels; + Uint32 Rmask; + Uint32 Gmask; + Uint32 Bmask; +@@ -347,7 +383,12 @@ + * the normal method of doing things with libpng). REQUIRED unless you + * set up your own error handlers in png_create_read_struct() earlier. + */ +- if ( setjmp(png_ptr->jmpbuf) ) { ++#ifndef LIBPNG_VERSION_12 ++ if ( setjmp(*lib.png_set_longjmp_fn(png_ptr, longjmp, sizeof (jmp_buf))) ) ++#else ++ if ( setjmp(png_ptr->jmpbuf) ) ++#endif ++ { + error = "Error reading the PNG file."; + goto done; + } +@@ -410,15 +451,16 @@ + &color_type, &interlace_type, NULL, NULL); + + /* Allocate the SDL surface to hold the image */ +- Rmask = Gmask = Bmask = Amask = 0 ; ++ Rmask = Gmask = Bmask = Amask = 0 ; ++ num_channels = lib.png_get_channels(png_ptr, info_ptr); + if ( color_type != PNG_COLOR_TYPE_PALETTE ) { + if ( SDL_BYTEORDER == SDL_LIL_ENDIAN ) { + Rmask = 0x000000FF; + Gmask = 0x0000FF00; + Bmask = 0x00FF0000; +- Amask = (info_ptr->channels == 4) ? 0xFF000000 : 0; ++ Amask = (num_channels == 4) ? 0xFF000000 : 0; + } else { +- int s = (info_ptr->channels == 4) ? 0 : 8; ++ int s = (num_channels == 4) ? 0 : 8; + Rmask = 0xFF000000 >> s; + Gmask = 0x00FF0000 >> s; + Bmask = 0x0000FF00 >> s; +@@ -426,7 +468,7 @@ + } + } + surface = SDL_AllocSurface(SDL_SWSURFACE, width, height, +- bit_depth*info_ptr->channels, Rmask,Gmask,Bmask,Amask); ++ bit_depth*num_channels, Rmask,Gmask,Bmask,Amask); + if ( surface == NULL ) { + error = "Out of memory"; + goto done; +@@ -467,6 +509,9 @@ + /* Load the palette, if any */ + palette = surface->format->palette; + if ( palette ) { ++ int png_num_palette; ++ png_colorp png_palette; ++ lib.png_get_PLTE(png_ptr, info_ptr, &png_palette, &png_num_palette); + if(color_type == PNG_COLOR_TYPE_GRAY) { + palette->ncolors = 256; + for(i = 0; i < 256; i++) { +@@ -474,12 +519,12 @@ + palette->colors[i].g = i; + palette->colors[i].b = i; + } +- } else if (info_ptr->num_palette > 0 ) { +- palette->ncolors = info_ptr->num_palette; +- for( i=0; inum_palette; ++i ) { +- palette->colors[i].b = info_ptr->palette[i].blue; +- palette->colors[i].g = info_ptr->palette[i].green; +- palette->colors[i].r = info_ptr->palette[i].red; ++ } else if (png_num_palette > 0 ) { ++ palette->ncolors = png_num_palette; ++ for( i=0; icolors[i].b = png_palette[i].blue; ++ palette->colors[i].g = png_palette[i].green; ++ palette->colors[i].r = png_palette[i].red; + } + } + }