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GLES1 and GLES2 versions are now compiled with -DFREEGLUT_GLES1 and -DFREEGLUT_GLES2 to cleanly bootstrap headers inclusion

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git-svn-id: https://svn.code.sf.net/p/freeglut/code/trunk@1159 7f0cb862-5218-0410-a997-914c9d46530a
This commit is contained in:
beuc 2012-03-16 21:30:26 +00:00
parent ea875680a5
commit f6111f49ac
3 changed files with 31 additions and 16 deletions
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26
freeglut/freeglut/CMakeLists.txt
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@ -134,11 +134,17 @@ OPTION(BUILD_STATIC_LIBS "Build FreeGLUT static library." ON)
OPTION(FREEGLUT_GLES1 "Use OpenGL ES 1.x (requires EGL)" OFF)
OPTION(FREEGLUT_GLES2 "Use OpenGL ES 2.x (requires EGL) (overrides BUILD_GLES1)" OFF)
# For OpenGL ES (GLES):
# - compile with -DFREEGLUT_GLES1 and -DFREEGLUT_GLES2 to cleanly
# bootstrap headers inclusion in freeglut_std.h; these constants
# also need to be defined in client applications (e.g through
# pkg-config), but use GLES constants directly for all other needs
# - define GLES version-specific library
IF(FREEGLUT_GLES2)
ADD_DEFINITIONS(-DGLESv2)
ADD_DEFINITIONS(-DFREEGLUT_GLES2)
LIST(APPEND LIBS GLESv2 EGL)
ELSEIF(FREEGLUT_GLES1)
ADD_DEFINITIONS(-DGLESv1)
ADD_DEFINITIONS(-DFREEGLUT_GLES1)
LIST(APPEND LIBS GLESv1 EGL)
ELSE()
FIND_PACKAGE(OpenGL REQUIRED)
@ -348,12 +354,20 @@ ENDIF()
# pkg-config support, to install at $(libdir)/pkgconfig
# Define static build dependencies
IF(WIN32)
SET(LIBS_PRIVATE "-lopengl32 -lwinmm -lgdi32")
SET(PC_LIBS_PRIVATE "-lopengl32 -lwinmm -lgdi32")
ELSEIF(ANDROID)
SET(LIBS_PRIVATE "-llog -landroid -lGLESv2 -lEGL")
SET(PC_LIBS_PRIVATE "-llog -landroid -lGLESv2 -lEGL")
ELSE()
SET(LIBS_PRIVATE "-lX11 -lXxf86vm -lXrandr -lGLESv2 -lEGL")
SET(PC_LIBS_PRIVATE "-lX11 -lXxf86vm -lXrandr -lGLESv2 -lEGL")
ENDIF()
# Client applications need to define FreeGLUT GLES version to
# bootstrap headers inclusion in freeglut_std.h:
IF(FREEGLUT_GLES2)
SET(PC_CFLAGS "-DFREEGLUT_GLES2")
ELSEIF(FREEGLUT_GLES1)
SET(PC_CFLAGS "-DFREEGLUT_GLES1")
ENDIF()
CONFIGURE_FILE(${CMAKE_SOURCE_DIR}/freeglut.pc.in ${CMAKE_BINARY_DIR}/freeglut.pc @ONLY)
INSTALL(FILES ${CMAKE_BINARY_DIR}/freeglut.pc DESTINATION share/pkgconfig)
# TODO: change the library name when building for GLES, e.g. -lglut-GLES2
# TODO: change the library and .pc name when building for GLES,
# e.g. -lglut-GLES2

4
freeglut/freeglut/freeglut.pc.in
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@ -6,5 +6,5 @@ Name: glut
Description: A freely licensed and improved alternative to the GLUT library
Version: @VERSION_MAJOR@.@VERSION_MINOR@.@VERSION_PATCH@
Libs: -L${libdir} -lglut
Libs.private: @LIBS_PRIVATE@
Cflags: -I${includedir}
Libs.private: @PC_LIBS_PRIVATE@
Cflags: -I${includedir} @PC_CFLAGS@

17
freeglut/freeglut/include/GL/freeglut_std.h
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@ -119,16 +119,12 @@
/*
* Always include OpenGL and GLU headers
*/
#ifdef ANDROID
/* Use EGL (implies OpenGL ES) */
/* TODO: EGL/GLES builds should be more generally defined, possibly by
generating this file dynamically */
#ifdef FREEGLUT_GLES2
# include <EGL/egl.h>
/* TODO: we probably need 2 builds: -lGLESv1 and -lGLESv2 */
/* #include <GLES/gl.h> */
# include <GLES2/gl2.h>
/* TODO: temporary work-around for e.g. glutWireCube */
# define GLdouble GLfloat
#elif FREEGLUT_GLES1
# include <EGL/egl.h>
# include <GLES/gl.h>
#else
# include <GL/gl.h>
# include <GL/glu.h>
@ -525,6 +521,11 @@ FGAPI int FGAPIENTRY glutStrokeLength( void* font, const unsigned char* stri
/*
* Geometry functions, see freeglut_geometry.c
*/
#ifdef EGL_VERSION_1_0
/* TODO: temporary work-around for missing GLdouble in GLES */
# define GLdouble GLfloat
#endif
FGAPI void FGAPIENTRY glutWireCube( GLdouble size );
FGAPI void FGAPIENTRY glutSolidCube( GLdouble size );
FGAPI void FGAPIENTRY glutWireSphere( GLdouble radius, GLint slices, GLint stacks );