Mirrors/bgfx
1
0
Fork 0
mirror of https://github.com/bkaradzic/bgfx.git synced 2026-02-18 04:53:06 +01:00
Code Issues Packages Projects Releases Wiki Activity

Support OpenGL on EGL (#3115)

Browse Source 
Co-authored-by: Dahmen issam <issam.dahmen@fittingbox.com>
This commit is contained in:
issam3105
2023-06-27 02:06:00 +02:00
committed by GitHub
parent c1afaa88e7
commit e8eb9782fa
1 changed files with 32 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

39
src/glcontext_egl.cpp
View File

@@ -42,6 +42,7 @@ namespace bgfx { namespace gl
typedef EGLBoolean (EGLAPIENTRY* PFNEGLSWAPINTERVALPROC)(EGLDisplay dpy, EGLint interval);
typedef EGLBoolean (EGLAPIENTRY* PFNEGLTERMINATEPROC)(EGLDisplay dpy);
typedef const char* (EGLAPIENTRY* PGNEGLQUERYSTRINGPROC)(EGLDisplay dpy, EGLint name);
typedef EGLBoolean (EGLAPIENTRY* PGNEGLBINDAPIPROC)(EGLenum api);
#define EGL_IMPORT \
EGL_IMPORT_FUNC(PFNEGLCHOOSECONFIGPROC, eglChooseConfig); \
@@ -61,6 +62,7 @@ namespace bgfx { namespace gl
EGL_IMPORT_FUNC(PFNEGLSWAPINTERVALPROC, eglSwapInterval); \
EGL_IMPORT_FUNC(PFNEGLTERMINATEPROC, eglTerminate); \
EGL_IMPORT_FUNC(PGNEGLQUERYSTRINGPROC, eglQueryString); \
EGL_IMPORT_FUNC(PGNEGLBINDAPIPROC, eglBindAPI); \
#define EGL_IMPORT_FUNC(_proto, _func) _proto _func
EGL_IMPORT
@@ -220,10 +222,16 @@ EGL_IMPORT
BX_TRACE("Supported EGL extensions:");
dumpExtensions(extensions);
#if BGFX_CONFIG_RENDERER_OPENGL
// choose OpenGL API for EGL, by default it uses OpenGL ES
EGLBoolean ok = eglBindAPI(EGL_OPENGL_API);
BGFX_FATAL(ok, Fatal::UnableToInitialize, "Could not set API! error: %d", eglGetError());
#endif //BGFX_CONFIG_RENDERER_OPENG
// https://www.khronos.org/registry/EGL/extensions/ANDROID/EGL_ANDROID_recordable.txt
const bool hasEglAndroidRecordable = !bx::findIdentifierMatch(extensions, "EGL_ANDROID_recordable").isEmpty();
const uint32_t gles = BGFX_CONFIG_RENDERER_OPENGLES;
const uint32_t glVersion = BGFX_CONFIG_RENDERER_OPENGL ? BGFX_CONFIG_RENDERER_OPENGL : BGFX_CONFIG_RENDERER_OPENGLES;
#if BX_PLATFORM_ANDROID
uint32_t msaa = (_flags&BGFX_RESET_MSAA_MASK)>>BGFX_RESET_MSAA_SHIFT;
@@ -235,7 +243,11 @@ EGL_IMPORT
EGLint attrs[] =
{
EGL_RENDERABLE_TYPE, (gles >= 30) ? EGL_OPENGL_ES3_BIT_KHR : EGL_OPENGL_ES2_BIT,
# if BGFX_CONFIG_RENDERER_OPENGL
EGL_RENDERABLE_TYPE, EGL_OPENGL_BIT,
# else
EGL_RENDERABLE_TYPE, (glVersion >= 30) ? EGL_OPENGL_ES3_BIT_KHR : EGL_OPENGL_ES2_BIT,
# endif
EGL_SURFACE_TYPE, headless ? EGL_PBUFFER_BIT : EGL_WINDOW_BIT,
@@ -329,11 +341,15 @@ EGL_IMPORT
# else
if (hasEglKhrCreateContext)
{
# if BGFX_CONFIG_RENDERER_OPENGL
bx::write(&writer, EGLint(EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR), bx::ErrorAssert{} );
bx::write(&writer, EGLint(EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR), bx::ErrorAssert{} );
# endif
bx::write(&writer, EGLint(EGL_CONTEXT_MAJOR_VERSION_KHR), bx::ErrorAssert{} );
bx::write(&writer, EGLint(gles / 10), bx::ErrorAssert{} );
bx::write(&writer, EGLint(glVersion / 10), bx::ErrorAssert{} );
bx::write(&writer, EGLint(EGL_CONTEXT_MINOR_VERSION_KHR), bx::ErrorAssert{} );
bx::write(&writer, EGLint(gles % 10), bx::ErrorAssert{} );
bx::write(&writer, EGLint(glVersion % 10), bx::ErrorAssert{} );
flags |= BGFX_CONFIG_DEBUG && hasEglKhrNoError ? 0
| EGL_CONTEXT_FLAG_NO_ERROR_BIT_KHR
@@ -356,7 +372,7 @@ EGL_IMPORT
# endif // BX_PLATFORM_RPI
{
bx::write(&writer, EGLint(EGL_CONTEXT_CLIENT_VERSION), bx::ErrorAssert{} );
bx::write(&writer, EGLint(gles / 10), bx::ErrorAssert{} );
bx::write(&writer, EGLint(glVersion / 10), bx::ErrorAssert{} );
}
bx::write(&writer, EGLint(EGL_NONE), bx::ErrorAssert{} );
@@ -496,13 +512,22 @@ EGL_IMPORT
BX_TRACE("Import:");
# if BX_PLATFORM_WINDOWS || BX_PLATFORM_LINUX
void* glesv2 = bx::dlopen("libGLESv2." BX_DL_EXT);
# if BX_PLATFORM_WINDOWS
# define LIBRARY_NAME "libGL.dll"
# elif BX_PLATFORM_LINUX
# if BGFX_CONFIG_RENDERER_OPENGL
# define LIBRARY_NAME "libGL.so.1"
# else
# define LIBRARY_NAME "libGLESv2.so.2"
# endif
# endif
void* lib = bx::dlopen(LIBRARY_NAME);
# define GL_EXTENSION(_optional, _proto, _func, _import) \
{ \
if (NULL == _func) \
{ \
_func = bx::dlsym<_proto>(glesv2, #_import); \
_func = bx::dlsym<_proto>(lib, #_import); \
BX_TRACE("\t%p " #_func " (" #_import ")", _func); \
BGFX_FATAL(_optional || NULL != _func \
, Fatal::UnableToInitialize \