diff options
Diffstat (limited to 'include/GL/internal')
| -rw-r--r-- | include/GL/internal/glcore.h | 257 |
1 files changed, 2 insertions, 255 deletions
diff --git a/include/GL/internal/glcore.h b/include/GL/internal/glcore.h index ca3cf5be572..3cb792f393a 100644 --- a/include/GL/internal/glcore.h +++ b/include/GL/internal/glcore.h @@ -190,259 +190,6 @@ typedef struct __GLcontextModesRec { /************************************************************************/ /* -** Structure used for allocating and freeing drawable private memory. -** (like software buffers, for example). -** -** The memory allocation routines are provided by the surrounding -** "operating system" code, and they are to be used for allocating -** software buffers and things which are associated with the drawable, -** and used by any context which draws to that drawable. There are -** separate memory allocation functions for drawables and contexts -** since drawables and contexts can be created and destroyed independently -** of one another, and the "operating system" may want to use separate -** allocation arenas for each. -** -** The freePrivate function is filled in by the core routines when they -** allocates software buffers, and stick them in "private". The freePrivate -** function will destroy anything allocated to this drawable (to be called -** when the drawable is destroyed). -*/ -typedef struct __GLdrawableRegionRec __GLdrawableRegion; -typedef struct __GLdrawableBufferRec __GLdrawableBuffer; -typedef struct __GLdrawablePrivateRec __GLdrawablePrivate; - -typedef struct __GLregionRectRec { - /* lower left (inside the rectangle) */ - GLint x0, y0; - /* upper right (outside the rectangle) */ - GLint x1, y1; -} __GLregionRect; - -struct __GLdrawableRegionRec { - GLint numRects; - __GLregionRect *rects; - __GLregionRect boundingRect; -}; - -/************************************************************************/ - -/* masks for the buffers */ -#define __GL_FRONT_BUFFER_MASK 0x00000001 -#define __GL_FRONT_LEFT_BUFFER_MASK 0x00000001 -#define __GL_FRONT_RIGHT_BUFFER_MASK 0x00000002 -#define __GL_BACK_BUFFER_MASK 0x00000004 -#define __GL_BACK_LEFT_BUFFER_MASK 0x00000004 -#define __GL_BACK_RIGHT_BUFFER_MASK 0x00000008 -#define __GL_ACCUM_BUFFER_MASK 0x00000010 -#define __GL_DEPTH_BUFFER_MASK 0x00000020 -#define __GL_STENCIL_BUFFER_MASK 0x00000040 -#define __GL_AUX_BUFFER_MASK(i) (0x0000080 << (i)) - -#define __GL_ALL_BUFFER_MASK 0xffffffff - -/* what Resize routines return if resize resorted to fallback case */ -#define __GL_BUFFER_FALLBACK 0x10 - -typedef void (*__GLbufFallbackInitFn)(__GLdrawableBuffer *buf, - __GLdrawablePrivate *glPriv, GLint bits); -typedef void (*__GLbufMainInitFn)(__GLdrawableBuffer *buf, - __GLdrawablePrivate *glPriv, GLint bits, - __GLbufFallbackInitFn back); - -/* -** A drawable buffer -** -** This data structure describes the context side of a drawable. -** -** According to the spec there could be multiple contexts bound to the same -** drawable at the same time (from different threads). In order to avoid -** multiple-access conflicts, locks are used to serialize access. When a -** thread needs to access (read or write) a member of the drawable, it takes -** a lock first. Some of the entries in the drawable are treated "mostly -** constant", so we take the freedom of allowing access to them without -** taking a lock (for optimization reasons). -** -** For more details regarding locking, see buffers.h in the GL core -*/ -struct __GLdrawableBufferRec { - /* - ** Buffer dimensions - */ - GLint width, height, depth; - - /* - ** Framebuffer base address - */ - void *base; - - /* - ** Framebuffer size (in bytes) - */ - GLuint size; - - /* - ** Size (in bytes) of each element in the framebuffer - */ - GLuint elementSize; - GLuint elementSizeLog2; - - /* - ** Element skip from one scanline to the next. - ** If the buffer is part of another buffer (for example, fullscreen - ** front buffer), outerWidth is the width of that buffer. - */ - GLint outerWidth; - - /* - ** outerWidth * elementSize - */ - GLint byteWidth; - - /* - ** Allocation/deallocation is done based on this handle. A handle - ** is conceptually different from the framebuffer 'base'. - */ - void *handle; - - /* imported */ - GLboolean (*resize)(__GLdrawableBuffer *buf, - GLint x, GLint y, GLuint width, GLuint height, - __GLdrawablePrivate *glPriv, GLuint bufferMask); - void (*lock)(__GLdrawableBuffer *buf, __GLdrawablePrivate *glPriv); - void (*unlock)(__GLdrawableBuffer *buf, __GLdrawablePrivate *glPriv); - void (*fill)(__GLdrawableBuffer *buf, __GLdrawablePrivate *glPriv, - GLuint val, GLint x, GLint y, GLint w, GLint h); - void (*free)(__GLdrawableBuffer *buf, __GLdrawablePrivate *glPriv); - - /* exported */ - void (*freePrivate)(__GLdrawableBuffer *buf, __GLdrawablePrivate *glPriv); -#ifdef __cplusplus - void *privatePtr; -#else - void *private; -#endif - - /* private */ - void *other; /* implementation private data */ - __GLbufMainInitFn mainInit; - __GLbufFallbackInitFn fallbackInit; -}; - -/* -** The context side of the drawable private -*/ -struct __GLdrawablePrivateRec { - /* - ** Drawable Modes - */ - __GLcontextModes *modes; - - /* - ** Drawable size - */ - GLuint width, height; - - /* - ** Origin in screen coordinates of the drawable - */ - GLint xOrigin, yOrigin; -#ifdef __GL_ALIGNED_BUFFERS - /* - ** Drawable offset from screen origin - */ - GLint xOffset, yOffset; - - /* - ** Alignment restriction - */ - GLint xAlignment, yAlignment; -#endif - /* - ** Should we invert the y axis? - */ - GLint yInverted; - - /* - ** Mask specifying which buffers are renderable by the hw - */ - GLuint accelBufferMask; - - /* - ** the buffers themselves - */ - __GLdrawableBuffer frontBuffer; - __GLdrawableBuffer backBuffer; - __GLdrawableBuffer accumBuffer; - __GLdrawableBuffer depthBuffer; - __GLdrawableBuffer stencilBuffer; -#if defined(__GL_NUMBER_OF_AUX_BUFFERS) && (__GL_NUMBER_OF_AUX_BUFFERS > 0) - __GLdrawableBuffer *auxBuffer; -#endif - - __GLdrawableRegion ownershipRegion; - - /* - ** Lock for the drawable private structure - */ - void *lock; -#ifdef DEBUG - /* lock debugging info */ - int lockRefCount; - int lockLine[10]; - char *lockFile[10]; -#endif - - /* imported */ - void *(*malloc)(size_t size); - void *(*calloc)(size_t numElem, size_t elemSize); - void *(*realloc)(void *oldAddr, size_t newSize); - void (*free)(void *addr); - - GLboolean (*addSwapRect)(__GLdrawablePrivate *glPriv, - GLint x, GLint y, GLsizei width, GLsizei height); - void (*setClipRect)(__GLdrawablePrivate *glPriv, - GLint x, GLint y, GLsizei width, GLsizei height); - void (*updateClipRegion)(__GLdrawablePrivate *glPriv); - GLboolean (*resize)(__GLdrawablePrivate *glPriv); - void (*getDrawableSize)(__GLdrawablePrivate *glPriv, - GLint *x, GLint *y, GLuint *width, GLuint *height); - - void (*lockDP)(__GLdrawablePrivate *glPriv, __GLcontext *gc); - void (*unlockDP)(__GLdrawablePrivate *glPriv); - - /* exported */ -#ifdef __cplusplus - void *privatePtr; -#else - void *private; -#endif - void (*freePrivate)(__GLdrawablePrivate *); - - /* client data */ - void *other; -}; - -/* -** Macros to lock/unlock the drawable private -*/ -#if defined(DEBUG) -#define __GL_LOCK_DP(glPriv,gc) \ - (*(glPriv)->lockDP)(glPriv,gc); \ - (glPriv)->lockLine[(glPriv)->lockRefCount] = __LINE__; \ - (glPriv)->lockFile[(glPriv)->lockRefCount] = __FILE__; \ - (glPriv)->lockRefCount++ -#define __GL_UNLOCK_DP(glPriv) \ - (glPriv)->lockRefCount--; \ - (glPriv)->lockLine[(glPriv)->lockRefCount] = 0; \ - (glPriv)->lockFile[(glPriv)->lockRefCount] = NULL; \ - (*(glPriv)->unlockDP)(glPriv) -#else /* DEBUG */ -#define __GL_LOCK_DP(glPriv,gc) (*(glPriv)->lockDP)(glPriv,gc) -#define __GL_UNLOCK_DP(glPriv) (*(glPriv)->unlockDP)(glPriv) -#endif /* DEBUG */ - - -/* ** Procedures which are imported by the GL from the surrounding ** "operating system". Math functions are not considered part of the ** "operating system". @@ -467,8 +214,8 @@ typedef struct __GLimportsRec { int (CAPI *fprintf)(__GLcontext *gc, void *stream, const char *fmt, ...); /* Drawing surface management */ - __GLdrawablePrivate *(*getDrawablePrivate)(__GLcontext *gc); - __GLdrawablePrivate *(*getReadablePrivate)(__GLcontext *gc); + void *(*getDrawablePrivate)(__GLcontext *gc); + void *(*getReadablePrivate)(__GLcontext *gc); /* Operating system dependent data goes here */ void *other; |