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glamor_egl: add helper functions for contexts 

This is just a split big glamor_egl_init to 3 smaller functions.
No functional change.

Signed-off-by: Konstantin <ria.freelander@gmail.com>
This commit is contained in:
Konstantin 2023-10-31 19:52:07 +03:00 committed by Olivier Fourdan
parent 1bb6991bda
commit d5c2a4d3f5
1 changed files with 87 additions and 63 deletions
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150
glamor/glamor_egl.c
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@ -955,6 +955,86 @@ glamor_egl_free_screen(ScrnInfoPtr scrn)
} }
} }
static Bool
glamor_egl_try_big_gl_api(ScrnInfoPtr scrn)
{
struct glamor_egl_screen_private *glamor_egl =
glamor_egl_get_screen_private(scrn);
if (eglBindAPI(EGL_OPENGL_API)) {
static const EGLint config_attribs_core[] = {
EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR,
EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR,
EGL_CONTEXT_MAJOR_VERSION_KHR,
GLAMOR_GL_CORE_VER_MAJOR,
EGL_CONTEXT_MINOR_VERSION_KHR,
GLAMOR_GL_CORE_VER_MINOR,
EGL_NONE
};
static const EGLint config_attribs[] = {
EGL_NONE
};
glamor_egl->context = eglCreateContext(glamor_egl->display,
EGL_NO_CONFIG_KHR, EGL_NO_CONTEXT,
config_attribs_core);
if (glamor_egl->context == EGL_NO_CONTEXT)
glamor_egl->context = eglCreateContext(glamor_egl->display,
EGL_NO_CONFIG_KHR,
EGL_NO_CONTEXT,
config_attribs);
}
if (glamor_egl->context != EGL_NO_CONTEXT) {
if (!eglMakeCurrent(glamor_egl->display,
EGL_NO_SURFACE, EGL_NO_SURFACE, glamor_egl->context)) {
xf86DrvMsg(scrn->scrnIndex, X_ERROR,
"Failed to make GL context current\n");
return FALSE;
}
if (epoxy_gl_version() < 21) {
xf86DrvMsg(scrn->scrnIndex, X_INFO,
"glamor: Ignoring GL < 2.1, falling back to GLES.\n");
eglDestroyContext(glamor_egl->display, glamor_egl->context);
glamor_egl->context = EGL_NO_CONTEXT;
}
}
return TRUE;
}
static Bool
glamor_egl_try_gles_api(ScrnInfoPtr scrn)
{
struct glamor_egl_screen_private *glamor_egl =
glamor_egl_get_screen_private(scrn);
static const EGLint config_attribs[] = {
EGL_CONTEXT_CLIENT_VERSION, 2,
EGL_NONE
};
if (!eglBindAPI(EGL_OPENGL_ES_API)) {
xf86DrvMsg(scrn->scrnIndex, X_ERROR,
"glamor: Failed to bind GLES API.\n");
return FALSE;
}
glamor_egl->context = eglCreateContext(glamor_egl->display,
EGL_NO_CONFIG_KHR, EGL_NO_CONTEXT,
config_attribs);
if (glamor_egl->context != EGL_NO_CONTEXT) {
if (!eglMakeCurrent(glamor_egl->display,
EGL_NO_SURFACE, EGL_NO_SURFACE, glamor_egl->context)) {
xf86DrvMsg(scrn->scrnIndex, X_ERROR,
"Failed to make GLES context current\n");
return FALSE;
}
}
return TRUE;
}
Bool Bool
glamor_egl_init(ScrnInfoPtr scrn, int fd) glamor_egl_init(ScrnInfoPtr scrn, int fd)
{ {
@ -1004,74 +1084,18 @@ glamor_egl_init(ScrnInfoPtr scrn, int fd)
GLAMOR_CHECK_EGL_EXTENSION(KHR_surfaceless_context); GLAMOR_CHECK_EGL_EXTENSION(KHR_surfaceless_context);
GLAMOR_CHECK_EGL_EXTENSION(KHR_no_config_context); GLAMOR_CHECK_EGL_EXTENSION(KHR_no_config_context);
if (eglBindAPI(EGL_OPENGL_API)) { if(!glamor_egl_try_big_gl_api(scrn))
static const EGLint config_attribs_core[] = { goto error;
EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR,
EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR,
EGL_CONTEXT_MAJOR_VERSION_KHR,
GLAMOR_GL_CORE_VER_MAJOR,
EGL_CONTEXT_MINOR_VERSION_KHR,
GLAMOR_GL_CORE_VER_MINOR,
EGL_NONE
};
static const EGLint config_attribs[] = {
EGL_NONE
};
glamor_egl->context = eglCreateContext(glamor_egl->display, if (glamor_egl->context == EGL_NO_CONTEXT) {
EGL_NO_CONFIG_KHR, EGL_NO_CONTEXT, if(!glamor_egl_try_gles_api(scrn))
config_attribs_core);
if (glamor_egl->context == EGL_NO_CONTEXT)
glamor_egl->context = eglCreateContext(glamor_egl->display,
EGL_NO_CONFIG_KHR,
EGL_NO_CONTEXT,
config_attribs);
}
if (glamor_egl->context != EGL_NO_CONTEXT) {
if (!eglMakeCurrent(glamor_egl->display,
EGL_NO_SURFACE, EGL_NO_SURFACE, glamor_egl->context)) {
xf86DrvMsg(scrn->scrnIndex, X_ERROR,
"Failed to make GL context current\n");
goto error; goto error;
}
if (epoxy_gl_version() < 21) {
xf86DrvMsg(scrn->scrnIndex, X_INFO,
"glamor: Ignoring GL < 2.1, falling back to GLES.\n");
eglDestroyContext(glamor_egl->display, glamor_egl->context);
glamor_egl->context = EGL_NO_CONTEXT;
}
} }
if (glamor_egl->context == EGL_NO_CONTEXT) { if (glamor_egl->context == EGL_NO_CONTEXT) {
static const EGLint config_attribs[] = { xf86DrvMsg(scrn->scrnIndex, X_ERROR,
EGL_CONTEXT_CLIENT_VERSION, 2, "glamor: Failed to create GL or GLES2 contexts\n");
EGL_NONE goto error;
};
if (!eglBindAPI(EGL_OPENGL_ES_API)) {
xf86DrvMsg(scrn->scrnIndex, X_ERROR,
"glamor: Failed to bind either GL or GLES APIs.\n");
goto error;
}
glamor_egl->context = eglCreateContext(glamor_egl->display,
EGL_NO_CONFIG_KHR, EGL_NO_CONTEXT,
config_attribs);
if (glamor_egl->context == EGL_NO_CONTEXT) {
xf86DrvMsg(scrn->scrnIndex, X_ERROR,
"glamor: Failed to create GL or GLES2 contexts\n");
goto error;
}
if (!eglMakeCurrent(glamor_egl->display,
EGL_NO_SURFACE, EGL_NO_SURFACE, glamor_egl->context)) {
xf86DrvMsg(scrn->scrnIndex, X_ERROR,
"Failed to make GLES2 context current\n");
goto error;
}
} }
renderer = glGetString(GL_RENDERER); renderer = glGetString(GL_RENDERER);