Make rpi video cross-compiler friendly.
* Stops using fixed path to find GLES/EGL libs. * Tries pkg-config to locate bcm_host. Signed-off-by: Guillermo A. Amaral <g@maral.me>
Guillermo A. Amaral
parent
509db8afbd
commit
35554caf16
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@ -1127,15 +1127,18 @@ endmacro()
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# - n/a
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macro(CheckRPI)
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if(VIDEO_RPI)
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set(VIDEO_RPI_INCLUDE_DIRS "/opt/vc/include" "/opt/vc/include/interface/vcos/pthreads" "/opt/vc/include/interface/vmcs_host/linux/" )
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set(VIDEO_RPI_LIBRARY_DIRS "/opt/vc/lib" )
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set(VIDEO_RPI_LIBS bcm_host )
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pkg_check_modules(VIDEO_RPI bcm_host brcmegl)
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if (NOT VIDEO_RPI_FOUND)
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set(VIDEO_RPI_INCLUDE_DIRS "/opt/vc/include" "/opt/vc/include/interface/vcos/pthreads" "/opt/vc/include/interface/vmcs_host/linux/" )
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set(VIDEO_RPI_LIBRARY_DIRS "/opt/vc/lib" )
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set(VIDEO_RPI_LIBRARIES bcm_host )
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endif()
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listtostr(VIDEO_RPI_INCLUDE_DIRS VIDEO_RPI_INCLUDE_FLAGS "-I")
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listtostr(VIDEO_RPI_LIBRARY_DIRS VIDEO_RPI_LIBRARY_FLAGS "-L")
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set(ORIG_CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS}")
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set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} ${VIDEO_RPI_INCLUDE_FLAGS} ${VIDEO_RPI_LIBRARY_FLAGS}")
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set(CMAKE_REQUIRED_LIBRARIES "${VIDEO_RPI_LIBS}")
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set(CMAKE_REQUIRED_LIBRARIES "${VIDEO_RPI_LIBRARIES}")
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check_c_source_compiles("
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#include <bcm_host.h>
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int main(int argc, char **argv) {}" HAVE_VIDEO_RPI)
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@ -1147,7 +1150,7 @@ macro(CheckRPI)
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set(SDL_VIDEO_DRIVER_RPI 1)
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file(GLOB VIDEO_RPI_SOURCES ${SDL2_SOURCE_DIR}/src/video/raspberry/*.c)
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set(SOURCE_FILES ${SOURCE_FILES} ${VIDEO_RPI_SOURCES})
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list(APPEND EXTRA_LIBS ${VIDEO_RPI_LIBS})
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list(APPEND EXTRA_LIBS ${VIDEO_RPI_LIBRARIES})
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${VIDEO_RPI_INCLUDE_FLAGS} ${VIDEO_RPI_LIBRARY_FLAGS}")
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endif(SDL_VIDEO AND HAVE_VIDEO_RPI)
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endif(VIDEO_RPI)
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@ -19502,7 +19502,51 @@ else
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fi
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if test x$enable_video = xyes -a x$enable_video_rpi = xyes; then
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if test x$ARCH = xnetbsd; then
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# Extract the first word of "pkg-config", so it can be a program name with args.
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set dummy pkg-config; ac_word=$2
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
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$as_echo_n "checking for $ac_word... " >&6; }
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if ${ac_cv_path_PKG_CONFIG+:} false; then :
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$as_echo_n "(cached) " >&6
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else
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case $PKG_CONFIG in
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[\\/]* | ?:[\\/]*)
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ac_cv_path_PKG_CONFIG="$PKG_CONFIG" # Let the user override the test with a path.
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;;
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*)
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as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
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for as_dir in $PATH
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do
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IFS=$as_save_IFS
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test -z "$as_dir" && as_dir=.
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for ac_exec_ext in '' $ac_executable_extensions; do
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if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
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ac_cv_path_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext"
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$as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
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break 2
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fi
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done
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done
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IFS=$as_save_IFS
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test -z "$ac_cv_path_PKG_CONFIG" && ac_cv_path_PKG_CONFIG="no"
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;;
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esac
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fi
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PKG_CONFIG=$ac_cv_path_PKG_CONFIG
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if test -n "$PKG_CONFIG"; then
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $PKG_CONFIG" >&5
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$as_echo "$PKG_CONFIG" >&6; }
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else
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
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$as_echo "no" >&6; }
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fi
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if test x$PKG_CONFIG != xno && $PKG_CONFIG --exists bcm_host; then
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RPI_CFLAGS=`$PKG_CONFIG --cflags bcm_host brcmegl`
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RPI_LDFLAGS=`$PKG_CONFIG --libs bcm_host brcmegl`
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elif test x$ARCH = xnetbsd; then
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RPI_CFLAGS="-I/usr/pkg/include -I/usr/pkg/include/interface/vcos/pthreads -I/usr/pkg/include/interface/vmcs_host/linux"
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RPI_LDFLAGS="-Wl,-R/usr/pkg/lib -L/usr/pkg/lib -lbcm_host"
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else
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@ -1571,7 +1571,11 @@ CheckRPI()
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AC_HELP_STRING([--enable-video-rpi], [use Raspberry Pi video driver [[default=yes]]]),
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, enable_video_rpi=yes)
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if test x$enable_video = xyes -a x$enable_video_rpi = xyes; then
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if test x$ARCH = xnetbsd; then
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AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
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if test x$PKG_CONFIG != xno && $PKG_CONFIG --exists bcm_host; then
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RPI_CFLAGS=`$PKG_CONFIG --cflags bcm_host brcmegl`
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RPI_LDFLAGS=`$PKG_CONFIG --libs bcm_host brcmegl`
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elif test x$ARCH = xnetbsd; then
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RPI_CFLAGS="-I/usr/pkg/include -I/usr/pkg/include/interface/vcos/pthreads -I/usr/pkg/include/interface/vmcs_host/linux"
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RPI_LDFLAGS="-Wl,-R/usr/pkg/lib -L/usr/pkg/lib -lbcm_host"
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else
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@ -44,12 +44,13 @@
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#if SDL_VIDEO_DRIVER_RPI
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/* Raspbian places the OpenGL ES/EGL binaries in a non standard path */
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#define DEFAULT_EGL ( vc4 ? "libEGL.so.1" : "/opt/vc/lib/libbrcmEGL.so" )
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#define DEFAULT_OGL_ES2 ( vc4 ? "libGLESv2.so.2" : "/opt/vc/lib/libbrcmGLESv2.so" )
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#define ALT_EGL "/opt/vc/lib/libEGL.so"
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#define ALT_OGL_ES2 "/opt/vc/lib/libGLESv2.so"
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#define DEFAULT_OGL_ES_PVR ( vc4 ? "libGLES_CM.so.1" : "/opt/vc/lib/libbrcmGLESv2.so" )
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#define DEFAULT_OGL_ES ( vc4 ? "libGLESv1_CM.so.1" : "/opt/vc/lib/libbrcmGLESv2.so" )
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static const char g_rpi_opt_path[] = "/opt/vc/lib";
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#define DEFAULT_EGL ( vc4 ? "libEGL.so.1" : "libbrcmEGL.so" )
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#define DEFAULT_OGL_ES2 ( vc4 ? "libGLESv2.so.2" : "libbrcmGLESv2.so" )
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#define ALT_EGL "libEGL.so"
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#define ALT_OGL_ES2 "libGLESv2.so"
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#define DEFAULT_OGL_ES_PVR ( vc4 ? "libGLES_CM.so.1" : "libbrcmGLESv2.so" )
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#define DEFAULT_OGL_ES ( vc4 ? "libGLESv1_CM.so.1" : "libbrcmGLESv2.so" )
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#elif SDL_VIDEO_DRIVER_ANDROID || SDL_VIDEO_DRIVER_VIVANTE
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/* Android */
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@ -265,6 +266,20 @@ SDL_EGL_LoadLibrary(_THIS, const char *egl_path, NativeDisplayType native_displa
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#endif
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#if SDL_VIDEO_DRIVER_RPI
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SDL_bool vc4 = (0 == access("/sys/module/vc4/", F_OK));
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path = SDL_getenv("LD_LIBRARY_PATH");
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if (path) {
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const int path_size = SDL_strlen(path) + 1 + sizeof(g_rpi_opt_path);
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char *new_path = SDL_calloc(1, path_size);
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strcat(new_path, path);
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strcat(new_path, ":");
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strcat(new_path, g_rpi_opt_path);
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SDL_setenv("LD_LIBRARY_PATH", new_path, 1);
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SDL_free(new_path);
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} else {
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SDL_setenv("LD_LIBRARY_PATH", g_rpi_opt_path, 1);
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}
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path = NULL;
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#endif
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if (_this->egl_data) {
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