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https://github.com/minetest/irrlicht.git
synced 2024-12-26 02:30:31 +01:00
Support both OpenGL3 and GLES2 on SDL2
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numzero
parent
d6716ec31b
commit
1bbe341daa
@ -35,6 +35,8 @@ namespace video
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//! WebGL1 friendly subset of OpenGL-ES 2.x driver for Emscripten
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EDT_WEBGL1,
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EDT_OPENGL3,
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//! No driver, just for counting the elements
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EDT_COUNT
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};
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@ -38,18 +38,37 @@ namespace irr
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{
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#ifdef _IRR_COMPILE_WITH_OPENGL_
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IVideoDriver* createOpenGLDriver(const SIrrlichtCreationParameters& params, io::IFileSystem* io, IContextManager* contextManager);
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#endif
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#ifdef _IRR_COMPILE_WITH_OGLES2_
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IVideoDriver* createOGLES2Driver(const SIrrlichtCreationParameters& params, io::IFileSystem* io, IContextManager* contextManager);
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#endif
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#ifdef _IRR_COMPILE_WITH_WEBGL1_
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IVideoDriver* createWebGL1Driver(const SIrrlichtCreationParameters& params, io::IFileSystem* io, IContextManager* contextManager);
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#else
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static IVideoDriver* createOpenGLDriver(const SIrrlichtCreationParameters& params, io::IFileSystem* io, IContextManager* contextManager)
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{
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os::Printer::log("No OpenGL support compiled in.", ELL_ERROR);
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return nullptr;
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}
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#endif
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#ifdef ENABLE_OPENGL3
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IVideoDriver* createOpenGL3Driver(const SIrrlichtCreationParameters& params, io::IFileSystem* io, IContextManager* contextManager);
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#else
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static IVideoDriver* createOpenGL3Driver(const SIrrlichtCreationParameters& params, io::IFileSystem* io, IContextManager* contextManager)
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{
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os::Printer::log("No OpenGL 3 support compiled in.", ELL_ERROR);
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return nullptr;
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}
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#endif
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static IVideoDriver* createOpenGLES2Driver(const SIrrlichtCreationParameters& params, io::IFileSystem* io, IContextManager* contextManager)
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{
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return createOpenGL3Driver(params, io, contextManager);
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}
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#ifdef _IRR_COMPILE_WITH_WEBGL1_
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IVideoDriver* createWebGL1Driver(const SIrrlichtCreationParameters& params, io::IFileSystem* io, IContextManager* contextManager);
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#else
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static IVideoDriver* createWebGL1Driver(const SIrrlichtCreationParameters& params, io::IFileSystem* io, IContextManager* contextManager)
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{
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os::Printer::log("No WebGL 1 support compiled in.", ELL_ERROR);
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return nullptr;
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}
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#endif
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} // end namespace video
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@ -236,24 +255,6 @@ CIrrDeviceSDL::CIrrDeviceSDL(const SIrrlichtCreationParameters& param)
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// create keymap
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createKeyMap();
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if (CreationParams.Fullscreen) {
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SDL_Flags |= SDL_WINDOW_FULLSCREEN;
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} else {
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if (Resizable)
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SDL_Flags |= SDL_WINDOW_RESIZABLE;
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if (CreationParams.WindowMaximized)
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SDL_Flags |= SDL_WINDOW_MAXIMIZED;
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}
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if (CreationParams.DriverType == video::EDT_OPENGL)
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{
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SDL_Flags |= SDL_WINDOW_OPENGL;
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if (!CreationParams.Doublebuffer)
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SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 0);
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}
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#ifdef _IRR_EMSCRIPTEN_PLATFORM_
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SDL_Flags |= SDL_WINDOW_OPENGL;
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#endif //_IRR_EMSCRIPTEN_PLATFORM_
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// create window
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if (CreationParams.DriverType != video::EDT_NULL)
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{
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@ -343,6 +344,16 @@ void CIrrDeviceSDL::logAttributes()
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bool CIrrDeviceSDL::createWindow()
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{
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if (CreationParams.Fullscreen) {
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SDL_Flags |= SDL_WINDOW_FULLSCREEN;
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} else {
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if (Resizable)
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SDL_Flags |= SDL_WINDOW_RESIZABLE;
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if (CreationParams.WindowMaximized)
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SDL_Flags |= SDL_WINDOW_MAXIMIZED;
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}
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SDL_Flags |= SDL_WINDOW_OPENGL;
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#ifdef _IRR_EMSCRIPTEN_PLATFORM_
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if ( Width != 0 || Height != 0 )
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emscripten_set_canvas_size( Width, Height);
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@ -389,58 +400,73 @@ bool CIrrDeviceSDL::createWindow()
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if ( Close )
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return false;
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if (CreationParams.DriverType == video::EDT_OPENGL) {
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SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3);
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SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 2);
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SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_COMPATIBILITY);
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SDL_GL_SetAttribute(SDL_GL_CONTEXT_FLAGS, SDL_GL_CONTEXT_DEBUG_FLAG | SDL_GL_CONTEXT_ROBUST_ACCESS_FLAG);
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if (CreationParams.Bits == 16) {
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SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 4);
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SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 4);
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SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 4);
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SDL_GL_SetAttribute(
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SDL_GL_ALPHA_SIZE, CreationParams.WithAlphaChannel ? 1 : 0);
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} else {
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SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 8);
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SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 8);
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SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 8);
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SDL_GL_SetAttribute(
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SDL_GL_ALPHA_SIZE, CreationParams.WithAlphaChannel ? 8 : 0);
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}
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SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, CreationParams.ZBufferBits);
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if (CreationParams.Doublebuffer)
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SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
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SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, CreationParams.Stencilbuffer ? 8 : 0);
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if (CreationParams.Stereobuffer)
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SDL_GL_SetAttribute(SDL_GL_STEREO, 1);
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if (CreationParams.AntiAlias > 1) {
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SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 1);
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SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, CreationParams.AntiAlias);
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}
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if (!Window)
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Window = SDL_CreateWindow("", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, Width, Height, SDL_Flags);
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if (!Window && CreationParams.AntiAlias > 1) {
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while (--CreationParams.AntiAlias > 1) {
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SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, CreationParams.AntiAlias);
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Window = SDL_CreateWindow("", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, Width, Height, SDL_Flags);
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if (Window)
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break;
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}
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if (!Window) {
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SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 0);
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SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, 0);
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Window = SDL_CreateWindow("", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, Width, Height, SDL_Flags);
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if (Window)
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os::Printer::log("AntiAliasing disabled due to lack of support!");
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}
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}
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switch (CreationParams.DriverType) {
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case video::EDT_OPENGL:
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SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 2);
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SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 1);
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break;
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case video::EDT_OPENGL3:
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SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3);
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SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 2);
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SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_COMPATIBILITY);
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break;
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case video::EDT_OGLES1:
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SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 1);
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SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 1);
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SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_ES);
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break;
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case video::EDT_OGLES2:
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case video::EDT_WEBGL1:
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SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 2);
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SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 0);
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SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_ES);
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break;
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default:;
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}
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if (Window)
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{
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Context = SDL_GL_CreateContext(Window);
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}
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} else if (!Window)
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#ifdef _DEBUG
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SDL_GL_SetAttribute(SDL_GL_CONTEXT_FLAGS, SDL_GL_CONTEXT_DEBUG_FLAG | SDL_GL_CONTEXT_ROBUST_ACCESS_FLAG);
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#endif
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if (CreationParams.Bits == 16) {
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SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 5);
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SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 5);
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SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 5);
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SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, CreationParams.WithAlphaChannel ? 1 : 0);
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} else {
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SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 8);
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SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 8);
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SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 8);
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SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, CreationParams.WithAlphaChannel ? 8 : 0);
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}
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SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, CreationParams.ZBufferBits);
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SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, CreationParams.Doublebuffer);
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SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, CreationParams.Stencilbuffer ? 8 : 0);
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SDL_GL_SetAttribute(SDL_GL_STEREO, CreationParams.Stereobuffer);
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if (CreationParams.AntiAlias > 1) {
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SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 1);
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SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, CreationParams.AntiAlias);
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}
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if (!Window)
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Window = SDL_CreateWindow("", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, Width, Height, SDL_Flags);
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if (!Window) {
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os::Printer::log("Could not create window...", SDL_GetError(), ELL_WARNING);
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}
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if (!Window && CreationParams.AntiAlias > 1) {
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while (--CreationParams.AntiAlias > 1) {
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SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, CreationParams.AntiAlias);
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Window = SDL_CreateWindow("", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, Width, Height, SDL_Flags);
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if (Window)
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break;
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}
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if (!Window) {
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SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 0);
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SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, 0);
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Window = SDL_CreateWindow("", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, Width, Height, SDL_Flags);
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if (Window)
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os::Printer::log("AntiAliasing disabled due to lack of support!", ELL_WARNING);
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}
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}
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if ( !Window && CreationParams.Doublebuffer)
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{
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@ -451,7 +477,14 @@ bool CIrrDeviceSDL::createWindow()
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}
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if ( !Window )
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{
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os::Printer::log( "Could not initialize display!" );
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os::Printer::log("Could not initialize display", SDL_GetError(), ELL_ERROR);
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return false;
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}
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Context = SDL_GL_CreateContext(Window);
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if (!Context) {
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os::Printer::log("Could not initialize context", SDL_GetError(), ELL_ERROR);
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SDL_DestroyWindow(Window);
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return false;
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}
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@ -463,66 +496,22 @@ bool CIrrDeviceSDL::createWindow()
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//! create the driver
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void CIrrDeviceSDL::createDriver()
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{
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if (CreationParams.DriverType == video::EDT_NULL) {
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VideoDriver = video::createNullDriver(FileSystem, CreationParams.WindowSize);
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return;
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}
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ContextManager = new video::CSDLManager(this);
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switch(CreationParams.DriverType)
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{
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case video::EDT_OPENGL:
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#ifdef _IRR_COMPILE_WITH_OPENGL_
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ContextManager = new video::CSDLManager(this);
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VideoDriver = video::createOpenGL3Driver(CreationParams, FileSystem, ContextManager);
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#else
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os::Printer::log("No OpenGL support compiled in.", ELL_ERROR);
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#endif
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break;
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case video::EDT_OGLES2:
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#if defined(_IRR_COMPILE_WITH_OGLES2_) && defined(_IRR_EMSCRIPTEN_PLATFORM_)
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{
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video::SExposedVideoData data;
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ContextManager = new video::CEGLManager();
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ContextManager->initialize(CreationParams, data);
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VideoDriver = video::createOGLES2Driver(CreationParams, FileSystem, ContextManager);
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}
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#else
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os::Printer::log("No OpenGL-ES2 support compiled in.", ELL_ERROR);
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#endif
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break;
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case video::EDT_WEBGL1:
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#if defined(_IRR_COMPILE_WITH_WEBGL1_) && defined(_IRR_EMSCRIPTEN_PLATFORM_)
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{
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video::SExposedVideoData data;
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ContextManager = new video::CEGLManager();
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ContextManager->initialize(CreationParams, data);
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VideoDriver = video::createWebGL1Driver(CreationParams, FileSystem, ContextManager);
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}
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#else
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os::Printer::log("No WebGL1 support compiled in.", ELL_ERROR);
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#endif
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break;
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case video::EDT_NULL:
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VideoDriver = video::createNullDriver(FileSystem, CreationParams.WindowSize);
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break;
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default:
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os::Printer::log("Unable to create video driver of unknown type.", ELL_ERROR);
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break;
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}
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// In case we got the size from the canvas
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if ( VideoDriver && CreationParams.WindowSize.Width == 0 && CreationParams.WindowSize.Height == 0 && Width > 0 && Height > 0 )
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{
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#ifdef _IRR_EMSCRIPTEN_PLATFORM_
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SDL_CreateWindowAndRenderer(Width, Height, SDL_Flags, &Window, &Renderer);
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#else //_IRR_EMSCRIPTEN_PLATFORM_
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Window = SDL_CreateWindow("", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, Width, Height, SDL_Flags);
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#endif //_IRR_EMSCRIPTEN_PLATFOR
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VideoDriver->OnResize(core::dimension2d<u32>(Width, Height));
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case video::EDT_OPENGL: VideoDriver = video::createOpenGLDriver(CreationParams, FileSystem, ContextManager); break;
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case video::EDT_OPENGL3: VideoDriver = video::createOpenGL3Driver(CreationParams, FileSystem, ContextManager); break;
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case video::EDT_OGLES2: VideoDriver = video::createOpenGLES2Driver(CreationParams, FileSystem, ContextManager); break;
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case video::EDT_WEBGL1: VideoDriver = video::createWebGL1Driver(CreationParams, FileSystem, ContextManager); break;
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default:;
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}
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if (!VideoDriver)
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os::Printer::log("Could not create video driver", ELL_ERROR);
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}
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