src/video/ataricommon/SDL_atarigl_c.h
changeset 991 12b13601a544
parent 989 475166d13b44
child 992 0324ce32b2d9
equal deleted inserted replaced
990:8e20c48a9c13 991:12b13601a544
    31 
    31 
    32 #include "SDL_sysvideo.h"
    32 #include "SDL_sysvideo.h"
    33 #define _THIS   SDL_VideoDevice *this
    33 #define _THIS   SDL_VideoDevice *this
    34 
    34 
    35 struct SDL_PrivateGLData {
    35 struct SDL_PrivateGLData {
    36 	/* to stop switching drivers while we have a valid context */
    36 
    37     int gl_active; 
    37     int gl_active; 	/* to stop switching drivers while we have a valid context */
       
    38 	
       
    39 	int gl_oldmesa;	/* Old OpenGL support ? */
       
    40 
       
    41 	int	gl_pixelsize;	/* for CopyShadow functions */
       
    42 
       
    43 	Uint8 *gl_shadow;	/* Shadow buffer for old implementations */
    38 
    44 
    39 	/* for unsupported OSMesa buffer formats */
    45 	/* for unsupported OSMesa buffer formats */
    40 	void (*ConvertSurface)(SDL_Surface *surface);	
    46 	void (*ConvertSurface)(_THIS, SDL_Surface *surface);	
    41 
    47 
    42 #ifdef HAVE_OPENGL
    48 	/* to convert the shadow buffer to the screen format */
       
    49 	void (*CopyShadow)(_THIS, SDL_Surface *surface);	
       
    50 
    43 	OSMesaContext	ctx;
    51 	OSMesaContext	ctx;
    44 #endif
    52 
       
    53 	/* osmesa.ldg */
       
    54 	OSMesaContext (*OSMesaCreateContextExt)( GLenum format, GLint depthBits, GLint stencilBits, GLint accumBits, OSMesaContext sharelist);
       
    55 	void (*OSMesaDestroyContext)( OSMesaContext ctx );
       
    56 	GLboolean (*OSMesaMakeCurrent)( OSMesaContext ctx, void *buffer, GLenum type, GLsizei width, GLsizei height );
       
    57 	void (*OSMesaPixelStore)( GLint pname, GLint value );
       
    58 	void * (*OSMesaGetProcAddress)( const char *funcName );
       
    59 	void (*glGetIntegerv)( GLenum pname, GLint *value );
       
    60 
       
    61 	/* mesa_gl.ldg, tiny_gl.ldg */
       
    62 	void *(*OSMesaCreateLDG)( long format, long type, long width, long height );
       
    63 	void (*OSMesaDestroyLDG)(void);
    45 };
    64 };
    46 
    65 
    47 /* Old variable names */
    66 /* Variable names */
    48 #define gl_active	(this->gl_data->gl_active)
    67 #define gl_active	(this->gl_data->gl_active)
    49 #define gl_ctx		(this->gl_data->ctx)
    68 #define gl_ctx		(this->gl_data->ctx)
       
    69 #define gl_oldmesa	(this->gl_data->gl_oldmesa)
       
    70 #define gl_pixelsize	(this->gl_data->gl_pixelsize)
       
    71 #define gl_shadow	(this->gl_data->gl_shadow)
    50 #define gl_convert	(this->gl_data->ConvertSurface)
    72 #define gl_convert	(this->gl_data->ConvertSurface)
       
    73 #define gl_copyshadow	(this->gl_data->CopyShadow)
    51 
    74 
    52 /* OpenGL functions */
    75 /* OpenGL functions */
    53 extern int SDL_AtariGL_Init(_THIS, SDL_Surface *current);
    76 extern int SDL_AtariGL_Init(_THIS, SDL_Surface *current);
    54 extern void SDL_AtariGL_Quit(_THIS);
    77 extern void SDL_AtariGL_Quit(_THIS);
       
    78 extern void SDL_AtariGL_InitPointers(_THIS);
    55 
    79 
    56 extern int SDL_AtariGL_LoadLibrary(_THIS, const char *path);
    80 extern int SDL_AtariGL_LoadLibrary(_THIS, const char *path);
    57 extern void *SDL_AtariGL_GetProcAddress(_THIS, const char *proc);
    81 extern void *SDL_AtariGL_GetProcAddress(_THIS, const char *proc);
    58 extern int SDL_AtariGL_GetAttribute(_THIS, SDL_GLattr attrib, int* value);
    82 extern int SDL_AtariGL_GetAttribute(_THIS, SDL_GLattr attrib, int* value);
    59 extern int SDL_AtariGL_MakeCurrent(_THIS);
    83 extern int SDL_AtariGL_MakeCurrent(_THIS);