thirdparty/scummvm
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OPENGL: Allow runtime specification of OpenGL mode.

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Formerly, we required that the OpenGL mode was fixed at compile time. Now we
allow the code to work with whatever it is given at runtime.

It is still possible to force a context type on compile time.
This commit is contained in:
Johannes Schickel 2015-12-12 22:08:33 +01:00
parent 9816e4f350
commit d6d3e17d53
8 changed files with 164 additions and 52 deletions
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13
backends/graphics/opengl/context.cpp
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@ -28,15 +28,23 @@
namespace OpenGL {
void Context::reset() {
ready = false;
type = kContextGL;
NPOTSupported = false;
}
Context g_context;
void OpenGLGraphicsManager::initializeGLContext() {
void OpenGLGraphicsManager::initializeGLContext(ContextType type) {
// Initialize default state.
g_context.reset();
#if USE_FORCED_GL
type = kContextGL;
#elif USE_FORCED_GLES
type = kContextGLES;
#endif
// Load all functions.
// We use horrible trickery to silence C++ compilers.
// See backends/plugins/sdl/sdl-provider.cpp for more information.
@ -64,6 +72,9 @@ void OpenGLGraphicsManager::initializeGLContext() {
g_context.NPOTSupported = true;
}
}
g_context.ready = true;
g_context.type = type;
}
} // End of namespace OpenGL