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Add SDL_GL_ResetAttributes.

This commit is contained in:
J?rgen P. Tjern? 2014-01-29 18:38:13 -08:00
parent d76c2cc1da
commit 338bf9cc6c
4 changed files with 51 additions and 33 deletions
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5
include/SDL_video.h
View File

@ -865,6 +865,11 @@ extern DECLSPEC void SDLCALL SDL_GL_UnloadLibrary(void);
extern DECLSPEC SDL_bool SDLCALL SDL_GL_ExtensionSupported(const char
*extension);
/**
* \brief Reset all previously set OpenGL context attributes to their default values
*/
extern DECLSPEC void SDLCALL SDL_GL_ResetAttributes(void);
/**
* \brief Set an OpenGL window attribute before window creation.
*/

1
src/dynapi/SDL_dynapi_overrides.h
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@ -570,3 +570,4 @@
#define SDL_GL_DeleteContext SDL_GL_DeleteContext_REAL
#define SDL_vsscanf SDL_vsscanf_REAL
#define SDL_GameControllerAddMappingsFromRW SDL_GameControllerAddMappingsFromRW_REAL
#define SDL_GL_ResetAttributes SDL_GL_ResetAttributes_REAL

1
src/dynapi/SDL_dynapi_procs.h
View File

@ -599,3 +599,4 @@ SDL_DYNAPI_PROC(void,SDL_GL_SwapWindow,(SDL_Window *a),(a),)
SDL_DYNAPI_PROC(void,SDL_GL_DeleteContext,(SDL_GLContext a),(a),)
SDL_DYNAPI_PROC(int,SDL_vsscanf,(const char *a, const char *b, va_list c),(a,b,c),return)
SDL_DYNAPI_PROC(int,SDL_GameControllerAddMappingsFromRW,(SDL_RWops *a, int b),(a,b),return)
SDL_DYNAPI_PROC(void,SDL_GL_ResetAttributes,(void),(),)

77
src/video/SDL_video.c
View File

@ -477,39 +477,7 @@ SDL_VideoInit(const char *driver_name)
/* Set some very sane GL defaults */
_this->gl_config.driver_loaded = 0;
_this->gl_config.dll_handle = NULL;
_this->gl_config.red_size = 3;
_this->gl_config.green_size = 3;
_this->gl_config.blue_size = 2;
_this->gl_config.alpha_size = 0;
_this->gl_config.buffer_size = 0;
_this->gl_config.depth_size = 16;
_this->gl_config.stencil_size = 0;
_this->gl_config.double_buffer = 1;
_this->gl_config.accum_red_size = 0;
_this->gl_config.accum_green_size = 0;
_this->gl_config.accum_blue_size = 0;
_this->gl_config.accum_alpha_size = 0;
_this->gl_config.stereo = 0;
_this->gl_config.multisamplebuffers = 0;
_this->gl_config.multisamplesamples = 0;
_this->gl_config.retained_backing = 1;
_this->gl_config.accelerated = -1; /* accelerated or not, both are fine */
_this->gl_config.profile_mask = 0;
#if SDL_VIDEO_OPENGL
_this->gl_config.major_version = 2;
_this->gl_config.minor_version = 1;
#elif SDL_VIDEO_OPENGL_ES2
_this->gl_config.major_version = 2;
_this->gl_config.minor_version = 0;
_this->gl_config.profile_mask = SDL_GL_CONTEXT_PROFILE_ES;
#elif SDL_VIDEO_OPENGL_ES
_this->gl_config.major_version = 1;
_this->gl_config.minor_version = 1;
_this->gl_config.profile_mask = SDL_GL_CONTEXT_PROFILE_ES;
#endif
_this->gl_config.flags = 0;
_this->gl_config.share_with_current_context = 0;
SDL_GL_ResetAttributes();
_this->current_glwin_tls = SDL_TLSCreate();
_this->current_glctx_tls = SDL_TLSCreate();
@ -2547,6 +2515,49 @@ SDL_GL_ExtensionSupported(const char *extension)
#endif
}
void
SDL_GL_ResetAttributes()
{
if (!_this) {
return;
}
_this->gl_config.red_size = 3;
_this->gl_config.green_size = 3;
_this->gl_config.blue_size = 2;
_this->gl_config.alpha_size = 0;
_this->gl_config.buffer_size = 0;
_this->gl_config.depth_size = 16;
_this->gl_config.stencil_size = 0;
_this->gl_config.double_buffer = 1;
_this->gl_config.accum_red_size = 0;
_this->gl_config.accum_green_size = 0;
_this->gl_config.accum_blue_size = 0;
_this->gl_config.accum_alpha_size = 0;
_this->gl_config.stereo = 0;
_this->gl_config.multisamplebuffers = 0;
_this->gl_config.multisamplesamples = 0;
_this->gl_config.retained_backing = 1;
_this->gl_config.accelerated = -1; /* accelerated or not, both are fine */
_this->gl_config.profile_mask = 0;
#if SDL_VIDEO_OPENGL
_this->gl_config.major_version = 2;
_this->gl_config.minor_version = 1;
#elif SDL_VIDEO_OPENGL_ES2
_this->gl_config.major_version = 2;
_this->gl_config.minor_version = 0;
_this->gl_config.profile_mask = SDL_GL_CONTEXT_PROFILE_ES;
#elif SDL_VIDEO_OPENGL_ES
_this->gl_config.major_version = 1;
_this->gl_config.minor_version = 1;
_this->gl_config.profile_mask = SDL_GL_CONTEXT_PROFILE_ES;
#endif
_this->gl_config.flags = 0;
_this->gl_config.framebuffer_srgb_capable = 0;
_this->gl_config.share_with_current_context = 0;
}
int
SDL_GL_SetAttribute(SDL_GLattr attr, int value)
{