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windows: Allow OpenGL ES creation without EGL, if the WGL supports it.

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Note that this should work with GLES1, don't let the "es2" in
WGL_EXT_create_context_es2_profile fool you.

Fixes #13056.
This commit is contained in:
Ryan C. Gordon
2025-10-06 19:42:20 -04:00
parent 5832fd6fc5
commit ef1d4ed1bf
2 changed files with 7 additions and 2 deletions
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8
src/video/windows/SDL_windowsopengl.c
View File

@@ -489,7 +489,9 @@ void WIN_GL_InitExtensions(SDL_VideoDevice *_this)
}
// Check for WGL_EXT_create_context_es2_profile
if (HasExtension("WGL_EXT_create_context_es2_profile", extensions)) {
// see if we can get at OpenGL ES profiles even if EGL isn't available.
_this->gl_data->HAS_WGL_EXT_create_context_es2_profile = HasExtension("WGL_EXT_create_context_es2_profile", extensions);
if (_this->gl_data->HAS_WGL_EXT_create_context_es2_profile) {
SDL_GL_DeduceMaxSupportedESProfile(
&_this->gl_data->es_profile_max_supported_version.major,
&_this->gl_data->es_profile_max_supported_version.minor);
@@ -704,7 +706,9 @@ bool WIN_GL_UseEGL(SDL_VideoDevice *_this)
SDL_assert(_this->gl_data != NULL);
SDL_assert(_this->gl_config.profile_mask == SDL_GL_CONTEXT_PROFILE_ES);
return SDL_GetHintBoolean(SDL_HINT_OPENGL_ES_DRIVER, false) || _this->gl_config.major_version == 1 || _this->gl_config.major_version > _this->gl_data->es_profile_max_supported_version.major || (_this->gl_config.major_version == _this->gl_data->es_profile_max_supported_version.major && _this->gl_config.minor_version > _this->gl_data->es_profile_max_supported_version.minor); // No WGL extension for OpenGL ES 1.x profiles.
// (we don't need EGL to do OpenGL ES if HAS_WGL_EXT_create_context_es2_profile exists.)
return !_this->gl_data->HAS_WGL_EXT_create_context_es2_profile || SDL_GetHintBoolean(SDL_HINT_OPENGL_ES_DRIVER, false) || _this->gl_config.major_version == 1 || _this->gl_config.major_version > _this->gl_data->es_profile_max_supported_version.major || (_this->gl_config.major_version == _this->gl_data->es_profile_max_supported_version.major && _this->gl_config.minor_version > _this->gl_data->es_profile_max_supported_version.minor); // No WGL extension for OpenGL ES 1.x profiles.
}
SDL_GLContext WIN_GL_CreateContext(SDL_VideoDevice *_this, SDL_Window *window)

1
src/video/windows/SDL_windowsopengl.h
View File

@@ -65,6 +65,7 @@ struct SDL_GLDriverData
bool HAS_WGL_ARB_create_context_robustness;
bool HAS_WGL_ARB_create_context_no_error;
bool HAS_WGL_ARB_pixel_format_float;
bool HAS_WGL_EXT_create_context_es2_profile;
/* Max version of OpenGL ES context that can be created if the
implementation supports WGL_EXT_create_context_es2_profile.