kc3-lang/SDL/src/render/opengles2

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• Hash : 9fd0d619
  Author :
  Date : 2017-10-18T08:52:04
  

  Fixed bug 3821 - Allow SDL_CreateWindow and SDL_CreateRenderer with OpenGL ES 3.0 (GLES3) for Angle (Windows) Carlos Angle supports GLES3 but when using these functions (SDL_CreateWindow and SDL_CreateRenderer), defaults again to GLES2.0. A current workaround (hack) to retrieve a GLES3.0 context with Angle is: 1) set SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3); SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 0); after InitSDL AND after calling SDL_CreateWindow (before SDL_CreateRenderer) 2) Comment lines 2032-2044 in SDL_render_gles2.c, funtion GLES2_CreateRenderer window_flags = SDL_GetWindowFlags(window); if (!(window_flags & SDL_WINDOW_OPENGL) || profile_mask != SDL_GL_CONTEXT_PROFILE_ES || major != RENDERER_CONTEXT_MAJOR || minor != RENDERER_CONTEXT_MINOR) { changed_window = SDL_TRUE; SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_ES); SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, RENDERER_CONTEXT_MAJOR); SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, RENDERER_CONTEXT_MINOR); if (SDL_RecreateWindow(window, window_flags | SDL_WINDOW_OPENGL) < 0) { goto error; } } This retrives a GLES3 context as confirmed using glGetString(GL_VERSION). This should be fixed by modifying a few if's.

• Files

• SDL_gles2funcs.h
• SDL_render_gles2.c
• SDL_shaders_gles2.c
• SDL_shaders_gles2.h

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