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ability to set GL context version by application

This commit is contained in:
gazer 2016-01-31 09:22:19 +03:00
parent 26e5e831d2
commit 4723343eaf
2 changed files with 30 additions and 11 deletions
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13
src/dlangui/platforms/common/platform.d
View File

@ -1253,6 +1253,19 @@ class Platform {
* Window w/o Resizable nor Fullscreen will be created with size based on measurement of its content widget
*/
abstract Window createWindow(dstring windowCaption, Window parent, uint flags = WindowFlag.Resizable, uint width = 0, uint height = 0);
static if (ENABLE_OPENGL) {
/**
* OpenGL context major version.
* Note: if the version is invalid or not supported, this value will be set to supported one.
*/
int GLVersionMajor = 3;
/**
* OpenGL context minor version.
* Note: if the version is invalid or not supported, this value will be set to supported one.
*/
int GLVersionMinor = 2;
}
/**
* close window
*

28
src/dlangui/platforms/sdl/sdlapp.d
View File

@ -127,8 +127,11 @@ class SDLWindow : Window {
_context = SDL_GL_CreateContext(_win); // Create the actual context and make it current
if (!_context)
Log.e("SDL_GL_CreateContext failed: ", fromStringz(SDL_GetError()));
else
else {
Log.i("Created successfully");
_platform.GLVersionMajor = versionMajor;
_platform.GLVersionMinor = versionMinor;
}
return _context !is null;
}
}
@ -176,21 +179,24 @@ class SDLWindow : Window {
static if (ENABLE_OPENGL) {
if (_enableOpengl) {
createContext(3, 2);
if (!_context) {
Log.e("SDL_GL_CreateContext failed: ", fromStringz(SDL_GetError()));
bool success = createContext(_platform.GLVersionMajor, _platform.GLVersionMinor);
if (!success) {
Log.w("trying other versions of OpenGL");
bool flg = false;
flg = flg || createContext(3, 3);
flg = flg || createContext(3, 1);
flg = flg || createContext(4, 0);
flg = flg || createContext(2, 1);
if (!flg) {
// Lazy conditions.
if(_platform.GLVersionMajor >= 4)
success = success || createContext(4, 0);
success = success || createContext(3, 3);
success = success || createContext(3, 2);
success = success || createContext(3, 1);
success = success || createContext(2, 1);
if (!success) {
_enableOpengl = false;
_platform.GLVersionMajor = 0;
_platform.GLVersionMinor = 0;
Log.w("OpenGL support is disabled");
}
}
if (_context && !_glSupport) {
if (success && !_glSupport) {
_enableOpengl = initGLSupport(false);
fixSize();
}