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6 Commits

Author SHA1 Message Date
Sam Lantinga 09e43d450f Added missing Visual Studio 2010 project for testvulkan 2017-08-28 17:28:09 -07:00
Sam Lantinga 1f2e151b44 Added Vulkan support to the Visual Studio 2010 solution 2017-08-27 22:20:17 -07:00
Sam Lantinga 213356cd6f Don't need the Vulkan SDK for the Visual Studio 2008 project anymore 2017-08-27 21:55:31 -07:00
Ryan C. Gordon 25e3a1ec90 vulkan: Initial Vulkan support! 
This work was done by Jacob Lifshay and Mark Callow; I'm just merging it
into revision control.
 2017-08-27 22:15:57 -04:00
Sam Lantinga a52d48c5ab Fixed bugs 2570, 3145, improved OpenGL ES context support on Windows and X11 
Mark Callow

The attached patch does the following for the X11 and Windows platforms, the only ones where SDL attempts to use context_create_es_profile:

- Adds SDL_HINT_OPENGL_ES_DRIVER by which the application can
  say to use the OpenGL ES driver & EGL rather than the Open GL
  driver. (For bug #2570)
- Adds code to {WIN,X11}_GL_InitExtensions to determine the maximum
  OpenGL ES version supported by the OpenGL driver (for bug #3145)
- Modifies the test that determines whether to use the OpenGL
  driver or the real OpenGL ES driver to take into account the
  hint, the requested and supported ES version and whether ES 1.X
  is being requested. (For bug #2570 & bug #3145)
- Enables the testgles2 test for __WINDOWS__ and __LINUX__ and adds
  the test to the VisualC projects.

With the fix in place I have run testdraw2, testgl and testgles2 without any issues and have run my own apps that use OpenGL, OpenGL ES 3 and OpenGL ES 1.1.
 2017-01-10 08:54:33 -08:00
Philipp Wiesemann 0e45984fa0 Fixed crash if initialization of EGL failed but was tried again later. 
The internal function SDL_EGL_LoadLibrary() did not delete and remove a mostly
uninitialized data structure if loading the library first failed. A later try to
use EGL then skipped initialization and assumed it was previously successful
because the data structure now already existed. This led to at least one crash
in the internal function SDL_EGL_ChooseConfig() because a NULL pointer was
dereferenced to make a call to eglBindAPI().
 2015-06-21 17:33:46 +02:00