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Merge pull request #14 from rcmaniac25/GLES31

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Futureproof: EGL 1.5 support, OpenGL ES 3.1 support
This commit is contained in:
Diederick C. Niehorster 2014-06-24 09:01:56 +02:00
commit 3ae17e42da
6 changed files with 94 additions and 33 deletions
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8
freeglut/freeglut/README.blackberry
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@ -6,7 +6,7 @@
# $ source /absolute/path/to/the/bbndk/bbndk-env.sh # $ source /absolute/path/to/the/bbndk/bbndk-env.sh
# $ mkdir build # $ mkdir build
# $ cd build # $ cd build
# $ cmake .. -DCMAKE_TOOLCHAIN_FILE="../blackberry.toolchain.cmake" -DBLACKBERRY_ARCHITECTURE=arm -DFREEGLUT_GLES2=ON -DFREEGLUT_BUILD_DEMOS=NO -DCMAKE_VERBOSE_MAKEFILE=TRUE -G "Eclipse CDT4 - Unix Makefiles" # $ cmake .. -DCMAKE_TOOLCHAIN_FILE="../blackberry.toolchain.cmake" -DBLACKBERRY_ARCHITECTURE=arm -DFREEGLUT_GLES=ON -DFREEGLUT_BUILD_DEMOS=NO -DCMAKE_VERBOSE_MAKEFILE=TRUE -G "Eclipse CDT4 - Unix Makefiles"
# $ make -j8 # $ make -j8
# #
# Usage Mac: # Usage Mac:
@ -16,6 +16,8 @@
# > /absolute/path/to/the/bbndk/bbndk-env.bat # > /absolute/path/to/the/bbndk/bbndk-env.bat
# > mkdir build # > mkdir build
# > cd build # > cd build
# > cmake .. -DCMAKE_TOOLCHAIN_FILE="../blackberry.toolchain.cmake" -DBLACKBERRY_ARCHITECTURE=arm -DFREEGLUT_GLES2=ON -DFREEGLUT_BUILD_DEMOS=NO -DCMAKE_VERBOSE_MAKEFILE=TRUE -G "Eclipse CDT4 - Unix Makefiles" # > cmake .. -DCMAKE_TOOLCHAIN_FILE="../blackberry.toolchain.cmake" -DBLACKBERRY_ARCHITECTURE=arm -DFREEGLUT_GLES=ON -DFREEGLUT_BUILD_DEMOS=NO -DCMAKE_VERBOSE_MAKEFILE=TRUE -G "Eclipse CDT4 - Unix Makefiles"
# > make -j8 # > make -j8
# #
To change which version of OpenGL to use, call glutInitContextVersion(1, 0) for OpenGL ES 1.x, glutInitContextVersion(2, 0) for OpenGL ES 2.0, or glutInitContextVersion(3, 0) for OpenGL ES 3.0.

69
freeglut/freeglut/blackberry.toolchain.cmake
View File

@ -6,7 +6,7 @@
# $ source /absolute/path/to/the/bbndk/bbndk-env.sh # $ source /absolute/path/to/the/bbndk/bbndk-env.sh
# $ mkdir build # $ mkdir build
# $ cd build # $ cd build
# $ cmake .. -DCMAKE_TOOLCHAIN_FILE="../blackberry.toolchain.cmake" -DBLACKBERRY_ARCHITECTURE=arm -DFREEGLUT_GLES2=ON -DFREEGLUT_BUILD_DEMOS=NO -DCMAKE_VERBOSE_MAKEFILE=TRUE -G "Eclipse CDT4 - Unix Makefiles" # $ cmake .. -DCMAKE_TOOLCHAIN_FILE="../blackberry.toolchain.cmake" -DBLACKBERRY_ARCHITECTURE=arm -DFREEGLUT_GLES=ON -DFREEGLUT_BUILD_DEMOS=NO -DCMAKE_VERBOSE_MAKEFILE=TRUE -G "Eclipse CDT4 - Unix Makefiles"
# $ make -j8 # $ make -j8
# #
# Usage Mac: # Usage Mac:
@ -16,7 +16,7 @@
# > /absolute/path/to/the/bbndk/bbndk-env.bat # > /absolute/path/to/the/bbndk/bbndk-env.bat
# > mkdir build # > mkdir build
# > cd build # > cd build
# > cmake .. -DCMAKE_TOOLCHAIN_FILE="../blackberry.toolchain.cmake" -DBLACKBERRY_ARCHITECTURE=arm -DFREEGLUT_GLES2=ON -DFREEGLUT_BUILD_DEMOS=NO -DCMAKE_VERBOSE_MAKEFILE=TRUE -G "Eclipse CDT4 - Unix Makefiles" # > cmake .. -DCMAKE_TOOLCHAIN_FILE="../blackberry.toolchain.cmake" -DBLACKBERRY_ARCHITECTURE=arm -DFREEGLUT_GLES=ON -DFREEGLUT_BUILD_DEMOS=NO -DCMAKE_VERBOSE_MAKEFILE=TRUE -G "Eclipse CDT4 - Unix Makefiles"
# > make -j8 # > make -j8
# #
@ -34,7 +34,12 @@ set( CMAKE_SYSTEM_VERSION 1 )
# Check for PlayBook # Check for PlayBook
if( EXISTS "${BLACKBERRY_TARGET_ROOT}/x86/lib/gcc/4.4.2" ) if( EXISTS "${BLACKBERRY_TARGET_ROOT}/x86/lib/gcc/4.4.2" )
set( PLAYBOOK True ) set( PLAYBOOK True )
endif()
# Check for for GCC 4.8.2
if( EXISTS "${BLACKBERRY_TARGET_ROOT}/x86/lib/gcc/4.8.2" )
set( BB_GCC_482 True )
endif() endif()
# STL version: by default gnustl_static will be used # STL version: by default gnustl_static will be used
@ -103,28 +108,52 @@ else()
endif() endif()
# Flags and preprocessor definitions # Flags and preprocessor definitions
if( BLACKBERRY_ARCHITECTURE STREQUAL "arm" ) set( BB_USING_GCC_482 False )
if( PLAYBOOK ) if( PLAYBOOK )
set( BLACKBERRY_CC_FLAGS " -V4.4.2,gcc_ntoarmv7le -D__PLAYBOOK__" ) set( BLACKBERRY_COMP_DEF "-D__PLAYBOOK__" )
set( BLACKBERRY_CXX_FLAGS " -V4.4.2,gcc_ntoarmv7le -Y_gpp -D__PLAYBOOK__" ) set( BLACKBERRY_COMP_VERSION "4.4.2" )
else()
set( BLACKBERRY_CC_FLAGS " -V4.6.3,gcc_ntoarmv7le -D__QNX__" )
set( BLACKBERRY_CXX_FLAGS " -V4.6.3,gcc_ntoarmv7le -Y_gpp -D__QNX__" )
endif()
else() else()
if( PLAYBOOK ) set( BLACKBERRY_COMP_DEF "-D__QNX__" )
set( BLACKBERRY_CC_FLAGS " -V4.4.2,gcc_ntox86 -D__PLAYBOOK__" ) if( BB_GCC_482 AND BLACKBERRY_USE_GCC_4_8 )
set( BLACKBERRY_CXX_FLAGS " -V4.4.2,gcc_ntox86 -Y_gpp -D__PLAYBOOK__" ) set( BLACKBERRY_COMP_VERSION "4.8.2" )
else() set( BB_USING_GCC_482 True )
set( BLACKBERRY_CC_FLAGS " -V4.6.3,gcc_ntox86 -D__QNX__" ) else()
set( BLACKBERRY_CXX_FLAGS " -V4.6.3,gcc_ntox86 -Y_gpp -D__QNX__" ) set( BLACKBERRY_COMP_VERSION "4.6.3" )
endif() endif()
endif() endif()
if( BLACKBERRY_ARCHITECTURE STREQUAL "arm" )
set( BLACKBERRY_COMP_TARGET "gcc_ntoarmv7le" )
else()
set( BLACKBERRY_COMP_TARGET "gcc_ntox86" )
endif()
set( BLACKBERRY_CXX_COMP_LIB "" )
if( BLACKBERRY_DINKUM )
set( DINKUM 1 )
if( BB_USING_GCC_482 )
set( BLACKBERRY_COMP_TARGET "${BLACKBERRY_COMP_TARGET}_cpp" )
else()
set( BLACKBERRY_CXX_COMP_LIB "-Y_cpp" )
endif()
else()
set( DINKUM 0 )
if( BB_USING_GCC_482 )
set( BLACKBERRY_COMP_TARGET "${BLACKBERRY_COMP_TARGET}_gpp" )
else()
set( BLACKBERRY_CXX_COMP_LIB "-Y_gpp" )
endif()
endif()
set( BLACKBERRY_CC_FLAGS " -V${BLACKBERRY_COMP_VERSION},${BLACKBERRY_COMP_TARGET} ${BLACKBERRY_COMP_DEF}" )
set( BLACKBERRY_CXX_FLAGS " -V${BLACKBERRY_COMP_VERSION},${BLACKBERRY_COMP_TARGET} ${BLACKBERRY_CXX_COMP_LIB} ${BLACKBERRY_COMP_DEF}" )
set( BLACKBERRY 1 ) set( BLACKBERRY 1 )
# NDK flags # NDK flags
set( CMAKE_CXX_FLAGS "${BLACKBERRY_CXX_FLAGS}" ) if( DINKUM )
set( CMAKE_C_FLAGS "${BLACKBERRY_CC_FLAGS}" ) set( CMAKE_CXX_FLAGS "${BLACKBERRY_CXX_FLAGS} -DBLACKBERRY_DINKUM=1" )
set( CMAKE_C_FLAGS "${BLACKBERRY_CC_FLAGS} -DBLACKBERRY_DINKUM=1" )
else()
set( CMAKE_CXX_FLAGS "${BLACKBERRY_CXX_FLAGS}" )
set( CMAKE_C_FLAGS "${BLACKBERRY_CC_FLAGS}" )
endif()
set( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fexceptions" ) set( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fexceptions" )
set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fexceptions" ) set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fexceptions" )

16
freeglut/freeglut/src/blackberry/fg_window_blackberry.c
View File

@ -61,7 +61,7 @@ void fgPlatformOpenWindow( SFG_Window* window, const char* title,
int screenFormat = SCREEN_FORMAT_RGBA8888; //Only SCREEN_FORMAT_RGBA8888 and SCREEN_FORMAT_RGB565 are supported. See fg_window_egl for more info int screenFormat = SCREEN_FORMAT_RGBA8888; //Only SCREEN_FORMAT_RGBA8888 and SCREEN_FORMAT_RGB565 are supported. See fg_window_egl for more info
int configAttri; int configAttri;
#define EGL_QUERY_COMP(att, comp) (eglGetConfigAttrib(fgDisplay.pDisplay.egl.Display, window->Window.pContext.egl.Config, att, &configAttri) == GL_TRUE && (configAttri comp)) #define EGL_QUERY_COMP(att, comp) (eglGetConfigAttrib(fgDisplay.pDisplay.egl.Display, window->Window.pContext.egl.Config, att, &configAttri) == GL_TRUE && (configAttri comp))
if(EGL_QUERY_COMP(EGL_ALPHA_SIZE, <= 0) && EGL_QUERY_COMP(EGL_RED_SIZE, <= 5) && if (EGL_QUERY_COMP(EGL_ALPHA_SIZE, <= 0) && EGL_QUERY_COMP(EGL_RED_SIZE, <= 5) &&
EGL_QUERY_COMP(EGL_GREEN_SIZE, <= 6) && EGL_QUERY_COMP(EGL_BLUE_SIZE, <= 5)) { EGL_QUERY_COMP(EGL_GREEN_SIZE, <= 6) && EGL_QUERY_COMP(EGL_BLUE_SIZE, <= 5)) {
screenFormat = SCREEN_FORMAT_RGB565; screenFormat = SCREEN_FORMAT_RGB565;
} }
@ -69,11 +69,17 @@ void fgPlatformOpenWindow( SFG_Window* window, const char* title,
/* Set window properties */ /* Set window properties */
int orientation = atoi(getenv("ORIENTATION")); int orientation = atoi(getenv("ORIENTATION"));
#ifdef GL_ES_VERSION_2_0 int screenUsage = SCREEN_USAGE_ROTATION;
int screenUsage = SCREEN_USAGE_OPENGL_ES2 | SCREEN_USAGE_ROTATION; #ifdef SCREEN_USAGE_OPENGL_ES3
#elif GL_VERSION_ES_CM_1_0 || GL_VERSION_ES_CL_1_0 || GL_VERSION_ES_CM_1_1 || GL_VERSION_ES_CL_1_1 if (fgState.MajorVersion >= 3) {
int screenUsage = SCREEN_USAGE_OPENGL_ES1 | SCREEN_USAGE_ROTATION; screenUsage |= SCREEN_USAGE_OPENGL_ES3;
} else
#endif #endif
if (fgState.MajorVersion >= 2) {
screenUsage |= SCREEN_USAGE_OPENGL_ES2;
} else {
screenUsage |= SCREEN_USAGE_OPENGL_ES1;
}
#if !defined(__X86__) && !defined(__PLAYBOOK__) #if !defined(__X86__) && !defined(__PLAYBOOK__)
screenUsage |= SCREEN_USAGE_DISPLAY; // Physical device copy directly into physical display screenUsage |= SCREEN_USAGE_DISPLAY; // Physical device copy directly into physical display
#endif #endif

4
freeglut/freeglut/src/egl/fg_init_egl.c
View File

@ -39,7 +39,7 @@ void fghPlatformInitializeEGL()
FREEGLUT_INTERNAL_ERROR_EXIT(fgDisplay.pDisplay.egl.Display != EGL_NO_DISPLAY, FREEGLUT_INTERNAL_ERROR_EXIT(fgDisplay.pDisplay.egl.Display != EGL_NO_DISPLAY,
"No display available", "fgPlatformInitialize"); "No display available", "fgPlatformInitialize");
if (eglInitialize(fgDisplay.pDisplay.egl.Display, NULL, NULL) != EGL_TRUE) if (eglInitialize(fgDisplay.pDisplay.egl.Display, &fgDisplay.pDisplay.egl.MajorVersion, &fgDisplay.pDisplay.egl.MinorVersion) != EGL_TRUE)
fgError("eglInitialize: error %x\n", eglGetError()); fgError("eglInitialize: error %x\n", eglGetError());
# ifdef GL_VERSION_1_1 /* or later */ # ifdef GL_VERSION_1_1 /* or later */
@ -59,6 +59,8 @@ void fghPlatformCloseDisplayEGL()
if (fgDisplay.pDisplay.egl.Display != EGL_NO_DISPLAY) { if (fgDisplay.pDisplay.egl.Display != EGL_NO_DISPLAY) {
eglTerminate(fgDisplay.pDisplay.egl.Display); eglTerminate(fgDisplay.pDisplay.egl.Display);
fgDisplay.pDisplay.egl.Display = EGL_NO_DISPLAY; fgDisplay.pDisplay.egl.Display = EGL_NO_DISPLAY;
fgDisplay.pDisplay.egl.MajorVersion = 0;
fgDisplay.pDisplay.egl.MinorVersion = 0;
} }
} }

2
freeglut/freeglut/src/egl/fg_internal_egl.h
View File

@ -35,6 +35,8 @@ struct tagSFG_PlatformDisplayEGL
{ {
/* Used to initialize and deinitialize EGL */ /* Used to initialize and deinitialize EGL */
EGLDisplay Display; EGLDisplay Display;
EGLint MajorVersion;
EGLint MinorVersion;
}; };

28
freeglut/freeglut/src/egl/fg_window_egl.c
View File

@ -30,11 +30,16 @@ int fghChooseConfig(EGLConfig* config) {
EGLint attributes[32]; EGLint attributes[32];
int where = 0; int where = 0;
ATTRIB_VAL(EGL_SURFACE_TYPE, EGL_WINDOW_BIT); ATTRIB_VAL(EGL_SURFACE_TYPE, EGL_WINDOW_BIT);
#ifdef EGL_OPENGL_ES3_BIT
if (fgDisplay.pDisplay.egl.MinorVersion >= 5 && fgState.MajorVersion >= 3) {
ATTRIB_VAL(EGL_RENDERABLE_TYPE, EGL_OPENGL_ES3_BIT);
} else
#endif
if (fgState.MajorVersion >= 2) { if (fgState.MajorVersion >= 2) {
/* /*
* Khronos does not specify a EGL_OPENGL_ES3_BIT outside of the OpenGL extension "EGL_KHR_create_context". There are numerous references on the internet that * Khronos does not specify a EGL_OPENGL_ES3_BIT outside of the OpenGL extension "EGL_KHR_create_context" and EGL 1.5. There are numerous references on the internet
* say to use EGL_OPENGL_ES3_BIT, followed by many saying they can't find it in any headers. In fact, the offical updated specification for EGL does not have * that say to use EGL_OPENGL_ES3_BIT (pre-EGL 1.5), followed by many saying they can't find it in any headers. In fact, the offical updated specification for EGL
* any references to OpenGL ES 3.0. Tests have shown that EGL_OPENGL_ES2_BIT will work with ES 3.0. * does not have any references to OpenGL ES 3.x. Tests have shown that EGL_OPENGL_ES2_BIT will work with ES 3.x.
*/ */
ATTRIB_VAL(EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT); ATTRIB_VAL(EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT);
} else { } else {
@ -87,6 +92,12 @@ EGLContext fghCreateNewContextEGL( SFG_Window* window ) {
EGLint attributes[32]; EGLint attributes[32];
int where = 0; int where = 0;
ATTRIB_VAL(EGL_CONTEXT_CLIENT_VERSION, fgState.MajorVersion); ATTRIB_VAL(EGL_CONTEXT_CLIENT_VERSION, fgState.MajorVersion);
#ifdef EGL_CONTEXT_MINOR_VERSION
if (fgDisplay.pDisplay.egl.MinorVersion >= 5) {
// EGL_CONTEXT_CLIENT_VERSION == EGL_CONTEXT_MAJOR_VERSION
ATTRIB_VAL(EGL_CONTEXT_MINOR_VERSION, fgState.MinorVersion);
}
#endif
ATTRIB(EGL_NONE); ATTRIB(EGL_NONE);
context = eglCreateContext(eglDisplay, eglConfig, EGL_NO_CONTEXT, attributes); context = eglCreateContext(eglDisplay, eglConfig, EGL_NO_CONTEXT, attributes);
@ -96,8 +107,17 @@ EGLContext fghCreateNewContextEGL( SFG_Window* window ) {
} }
eglQueryContext(fgDisplay.pDisplay.egl.Display, context, EGL_CONTEXT_CLIENT_VERSION, &ver); eglQueryContext(fgDisplay.pDisplay.egl.Display, context, EGL_CONTEXT_CLIENT_VERSION, &ver);
if (ver != fgState.MajorVersion) if (ver != fgState.MajorVersion) {
fgError("Wrong GLES major version: %d\n", ver); fgError("Wrong GLES major version: %d\n", ver);
}
#ifdef EGL_CONTEXT_MINOR_VERSION
if (fgDisplay.pDisplay.egl.MinorVersion >= 5) {
eglQueryContext(fgDisplay.pDisplay.egl.Display, context, EGL_CONTEXT_MINOR_VERSION, &ver);
if (ver != fgState.MinorVersion) {
fgError("Wrong GLES minor version: %d\n", ver);
}
}
#endif
return context; return context;
} }