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Merge #1242

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1242:  Properly reset context attributes, if OpenGL3 context failed to create r=def- a=Jupeyy

Automatically creates the older context, if OGL3 isn't supported

Co-authored-by: Jupeyy <jupjopjap@gmail.com>
This commit is contained in:
bors[bot] 2018-08-02 19:16:08 +00:00
parent e6040bfa0e 29ecaa2c2a
commit 459002c5e5
2 changed files with 22 additions and 9 deletions
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30
src/engine/client/backend_sdl.cpp
View file

@ -2210,19 +2210,33 @@ int CGraphicsBackend_SDL_OpenGL::Init(const char *pName, int *Screen, int *pWidt
SDL_ClearError(); SDL_ClearError();
const char *pErr = NULL; const char *pErr = NULL;
//query default values, since they are platform dependent // Query default values, since they are platform dependent
static bool s_InitDefaultParams = false; static bool s_InitDefaultParams = false;
static int s_SDLGLContextProfileMask, s_SDLGLContextMajorVersion, s_SDLGLContextMinorVersion; static int s_SDLGLContextProfileMask, s_SDLGLContextMajorVersion, s_SDLGLContextMinorVersion;
static bool s_TriedOpenGL3Context = false;
if(!s_InitDefaultParams)
{
SDL_GL_GetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, &s_SDLGLContextProfileMask);
SDL_GL_GetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, &s_SDLGLContextMajorVersion);
SDL_GL_GetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, &s_SDLGLContextMinorVersion);
s_InitDefaultParams = true;
}
// if OpenGL3 context was tried to be created, but failed, we have to restore the old context attributes
if(s_TriedOpenGL3Context && !g_Config.m_GfxOpenGL3)
{
s_TriedOpenGL3Context = false;
SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, s_SDLGLContextProfileMask);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, s_SDLGLContextMajorVersion);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, s_SDLGLContextMinorVersion);
}
m_UseOpenGL3_3 = false; m_UseOpenGL3_3 = false;
if(g_Config.m_GfxOpenGL3) if(g_Config.m_GfxOpenGL3)
{ {
if(!s_InitDefaultParams) s_TriedOpenGL3Context = true;
{
SDL_GL_GetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, &s_SDLGLContextProfileMask);
SDL_GL_GetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, &s_SDLGLContextMajorVersion);
SDL_GL_GetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, &s_SDLGLContextMinorVersion);
s_InitDefaultParams = true;
}
if(SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE) == 0) if(SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE) == 0)
{ {

1
src/engine/client/graphics_threaded.cpp
View file

@ -2075,7 +2075,6 @@ int CGraphics_Threaded::InitWindow()
g_Config.m_GfxOpenGL3 = 0; g_Config.m_GfxOpenGL3 = 0;
if(IssueInit() == 0) if(IssueInit() == 0)
{ {
g_Config.m_GfxOpenGL3 = 1;
return 0; return 0;
} }
} }