mirror of
https://gitlab.freedesktop.org/xorg/xserver.git
synced 2026-06-09 15:38:26 +02:00
15892f8936
of apple/indirect.c with all code removed I did not understand. So
don't expect wonders *g*
1212 lines
34 KiB
C
Executable file
1212 lines
34 KiB
C
Executable file
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#include <GL/gl.h>
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#include <GL/glext.h>
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#include <glxserver.h>
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#include <glxext.h>
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#define WINDOWS_LEAN_AND_CLEAN
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#include <windows.h>
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// X11 and X11's glx
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#include <miscstruct.h>
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#include <windowstr.h>
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#include <resource.h>
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#include <GL/glxint.h>
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#include <GL/glxtokens.h>
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#include <scrnintstr.h>
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#include <glxserver.h>
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#include <glxscreens.h>
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#include <glxdrawable.h>
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#include <glxcontext.h>
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#include <glxext.h>
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#include <glxutil.h>
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#include <glxscreens.h>
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#include <GL/internal/glcore.h>
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// ggs: needed to call back to glx with visual configs
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extern void GlxSetVisualConfigs(int nconfigs, __GLXvisualConfig *configs, void **configprivs);
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/*
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* GLX implementation that uses Win32's OpenGL
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*/
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/*
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* Server-side GLX uses these functions which are normally defined
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* in the OpenGL SI.
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*/
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GLint __glEvalComputeK(GLenum target)
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{
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switch (target) {
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case GL_MAP1_VERTEX_4:
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case GL_MAP1_COLOR_4:
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case GL_MAP1_TEXTURE_COORD_4:
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case GL_MAP2_VERTEX_4:
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case GL_MAP2_COLOR_4:
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case GL_MAP2_TEXTURE_COORD_4:
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return 4;
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case GL_MAP1_VERTEX_3:
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case GL_MAP1_TEXTURE_COORD_3:
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case GL_MAP1_NORMAL:
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case GL_MAP2_VERTEX_3:
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case GL_MAP2_TEXTURE_COORD_3:
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case GL_MAP2_NORMAL:
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return 3;
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case GL_MAP1_TEXTURE_COORD_2:
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case GL_MAP2_TEXTURE_COORD_2:
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return 2;
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case GL_MAP1_TEXTURE_COORD_1:
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case GL_MAP2_TEXTURE_COORD_1:
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case GL_MAP1_INDEX:
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case GL_MAP2_INDEX:
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return 1;
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default:
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return 0;
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}
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}
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GLuint __glFloorLog2(GLuint val)
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{
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int c = 0;
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while (val > 1) {
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c++;
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val >>= 1;
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}
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return c;
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}
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#if 1
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#define GLWIN_DEBUG_MSG ErrorF
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#else
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#define GLWIN_DEBUG_MSG(a, ...)
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#endif
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// some prototypes
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static Bool glWinScreenProbe(int screen);
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static Bool glWinInitVisuals(VisualPtr *visualp, DepthPtr *depthp,
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int *nvisualp, int *ndepthp,
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int *rootDepthp, VisualID *defaultVisp,
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unsigned long sizes, int bitsPerRGB);
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static void glWinSetVisualConfigs(int nconfigs, __GLXvisualConfig *configs,
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void **privates);
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static __GLinterface *glWinCreateContext(__GLimports *imports,
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__GLcontextModes *mode,
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__GLinterface *shareGC);
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static void glWinCreateBuffer(__GLXdrawablePrivate *glxPriv);
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static void glWinResetExtension(void);
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/*
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* This structure is statically allocated in the __glXScreens[]
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* structure. This struct is not used anywhere other than in
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* __glXScreenInit to initialize each of the active screens
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* (__glXActiveScreens[]). Several of the fields must be initialized by
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* the screenProbe routine before they are copied to the active screens
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* struct. In particular, the contextCreate, pGlxVisual, numVisuals,
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* and numUsableVisuals fields must be initialized.
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*/
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__GLXscreenInfo __glDDXScreenInfo = {
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glWinScreenProbe, /* Must be generic and handle all screens */
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glWinCreateContext, /* Substitute screen's createContext routine */
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glWinCreateBuffer, /* Substitute screen's createBuffer routine */
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NULL, /* Set up pGlxVisual in probe */
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NULL, /* Set up pVisualPriv in probe */
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0, /* Set up numVisuals in probe */
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0, /* Set up numUsableVisuals in probe */
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"Vendor String", /* GLXvendor is overwritten by __glXScreenInit */
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"Version String", /* GLXversion is overwritten by __glXScreenInit */
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"Extensions String", /* GLXextensions is overwritten by __glXScreenInit */
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NULL /* WrappedPositionWindow is overwritten */
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};
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__GLXextensionInfo __glDDXExtensionInfo = {
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GL_CORE_APPLE,
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glWinResetExtension,
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glWinInitVisuals,
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glWinSetVisualConfigs
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};
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// prototypes
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static GLboolean glWinDestroyContext(__GLcontext *gc);
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static GLboolean glWinLoseCurrent(__GLcontext *gc);
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static GLboolean glWinMakeCurrent(__GLcontext *gc);
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static GLboolean glWinShareContext(__GLcontext *gc, __GLcontext *gcShare);
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static GLboolean glWinCopyContext(__GLcontext *dst, const __GLcontext *src,
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GLuint mask);
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static GLboolean glWinForceCurrent(__GLcontext *gc);
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/* Drawing surface notification callbacks */
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static GLboolean glWinNotifyResize(__GLcontext *gc);
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static void glWinNotifyDestroy(__GLcontext *gc);
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static void glWinNotifySwapBuffers(__GLcontext *gc);
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/* Dispatch table override control for external agents like libGLS */
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static struct __GLdispatchStateRec* glWinDispatchExec(__GLcontext *gc);
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static void glWinBeginDispatchOverride(__GLcontext *gc);
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static void glWinEndDispatchOverride(__GLcontext *gc);
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static __GLexports glWinExports = {
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glWinDestroyContext,
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glWinLoseCurrent,
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glWinMakeCurrent,
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glWinShareContext,
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glWinCopyContext,
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glWinForceCurrent,
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glWinNotifyResize,
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glWinNotifyDestroy,
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glWinNotifySwapBuffers,
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glWinDispatchExec,
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glWinBeginDispatchOverride,
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glWinEndDispatchOverride
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};
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typedef struct {
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int num_vis;
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__GLXvisualConfig *glx_vis;
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void **priv;
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// wrapped screen functions
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RealizeWindowProcPtr RealizeWindow;
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UnrealizeWindowProcPtr UnrealizeWindow;
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} glWinScreenRec;
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static glWinScreenRec glWinScreens[MAXSCREENS];
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// __GLdrawablePrivate->private
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typedef struct {
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DrawablePtr pDraw;
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// xp_surface_id sid;
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} GLWinDrawableRec;
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struct __GLcontextRec {
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struct __GLinterfaceRec interface; // required to be first
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HGLRC ctx;
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int pixelFormat;
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/* set when attached */
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//xp_surface_id sid;
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unsigned isAttached :1;
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};
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// Context manipulation; return GL_FALSE on failure
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static GLboolean glWinDestroyContext(__GLcontext *gc)
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{
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GLWIN_DEBUG_MSG("glWinDestroyContext (ctx 0x%p\n", gc->ctx);
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if (gc != NULL)
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{
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if (gc->ctx != NULL)
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wglDeleteContext(gc->ctx);
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free(gc);
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}
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return GL_TRUE;
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}
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static GLboolean glWinLoseCurrent(__GLcontext *gc)
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{
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BOOL ret;
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GLWIN_DEBUG_MSG("glWinLoseCurrent (ctx 0x%p)\n", gc->ctx);
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ret = wglMakeCurrent(wglGetCurrentDC(), NULL);
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if (!ret)
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ErrorF("wglMakeCurrent: 0x%x\n", (int)GetLastError());
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__glXLastContext = NULL; // Mesa does this; why?
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return GL_TRUE;
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}
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static void unattach(__GLcontext *gc)
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{
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GLWIN_DEBUG_MSG("unattach 0x%p\n", gc);
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}
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static void attach(__GLcontext *gc, __GLdrawablePrivate *glPriv)
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{
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GLWIN_DEBUG_MSG("attach 0x%p\n", gc);
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}
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static GLboolean glWinMakeCurrent(__GLcontext *gc)
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{
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__GLdrawablePrivate *glPriv = gc->interface.imports.getDrawablePrivate(gc);
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BOOL ret;
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GLWIN_DEBUG_MSG("glWinMakeCurrent (ctx 0x%p)\n", gc->ctx);
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attach(gc, glPriv);
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ret = wglMakeCurrent(wglGetCurrentDC(), gc->ctx);
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if (!ret)
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ErrorF("glMakeCurrent error: 0x%x\n", (int)GetLastError());
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return ret;
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}
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static GLboolean glWinShareContext(__GLcontext *gc, __GLcontext *gcShare)
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{
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GLWIN_DEBUG_MSG("glWinShareContext unimplemented\n");
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return GL_TRUE;
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}
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static GLboolean glWinCopyContext(__GLcontext *dst, const __GLcontext *src,
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GLuint mask)
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{
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#if 1
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ErrorF("glWinCopyContext: unimplemented\n");
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return GL_FALSE;
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#else
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// Don't know how to map this to wgl
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BOOL ret;
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GLWIN_DEBUG_MSG("glWinCopyContext\n");
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gl_err = CGLCopyContext(src->ctx, dst->ctx, mask);
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if (gl_err != 0)
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ErrorF("CGLCopyContext error: %s\n", CGLErrorString(gl_err));
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return gl_err == 0;
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#endif
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}
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static GLboolean glWinForceCurrent(__GLcontext *gc)
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{
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BOOL ret;
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GLWIN_DEBUG_MSG("glWinForceCurrent (ctx 0x%p)\n", gc->ctx);
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ret = wglMakeCurrent(wglGetCurrentDC(), gc->ctx);
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if (!ret)
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ErrorF("wglSetCurrent error: 0x%x\n", (int)GetLastError());
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return ret;
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}
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/* Drawing surface notification callbacks */
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static GLboolean glWinNotifyResize(__GLcontext *gc)
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{
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GLWIN_DEBUG_MSG("unimplemented glWinNotifyResize");
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return GL_TRUE;
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}
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static void glWinNotifyDestroy(__GLcontext *gc)
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{
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GLWIN_DEBUG_MSG("unimplemented glWinNotifyDestroy");
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}
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static void glWinNotifySwapBuffers(__GLcontext *gc)
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{
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GLWIN_DEBUG_MSG("unimplemented glWinNotifySwapBuffers");
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}
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/* Dispatch table override control for external agents like libGLS */
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static struct __GLdispatchStateRec* glWinDispatchExec(__GLcontext *gc)
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{
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GLWIN_DEBUG_MSG("unimplemented glWinDispatchExec");
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return NULL;
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}
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static void glWinBeginDispatchOverride(__GLcontext *gc)
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{
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GLWIN_DEBUG_MSG("unimplemented glWinBeginDispatchOverride");
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}
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static void glWinEndDispatchOverride(__GLcontext *gc)
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{
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GLWIN_DEBUG_MSG("unimplemented glWinEndDispatchOverride");
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}
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static int makeFormat(__GLcontextModes *mode)
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{
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PIXELFORMATDESCRIPTOR pfd = {
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sizeof(PIXELFORMATDESCRIPTOR), // size of this pfd
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1, // version number
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PFD_DRAW_TO_WINDOW | // support window
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PFD_SUPPORT_OPENGL | // support OpenGL
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PFD_DOUBLEBUFFER, // double buffered
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PFD_TYPE_RGBA, // RGBA type
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24, // 24-bit color depth
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0, 0, 0, 0, 0, 0, // color bits ignored
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0, // no alpha buffer
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0, // shift bit ignored
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0, // no accumulation buffer
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0, 0, 0, 0, // accum bits ignored
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0, // 32-bit z-buffer
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0, // no stencil buffer
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0, // no auxiliary buffer
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PFD_MAIN_PLANE, // main layer
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0, // reserved
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0, 0, 0 // layer masks ignored
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}, *result = &pfd;
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int iPixelFormat;
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GLWIN_DEBUG_MSG("makeFormat\n");
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/* disable anything but rgba. must get rgba to work first */
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if (!mode->rgbMode)
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return 0;
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result->dwFlags = 0;
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if (mode->stereoMode) {
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result->dwFlags |= PFD_STEREO;
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}
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if (mode->doubleBufferMode) {
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result->dwFlags |= PFD_DOUBLEBUFFER;
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}
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if (mode->colorIndexMode) {
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/* ignored, see above */
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//result->dwFlags |= PFD_TYPE_COLORINDEX;
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}
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if (mode->rgbMode) {
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result->dwFlags |= PFD_TYPE_RGBA;
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result->cColorBits = mode->redBits + mode->greenBits + mode->blueBits;
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result->cRedBits = mode->redBits;
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result->cRedShift = 0; // FIXME
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result->cGreenBits = mode->greenBits;
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result->cGreenShift = 0; // FIXME
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result->cBlueBits = mode->blueBits;
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result->cBlueShift = 0; // FIXME
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result->cAlphaBits = mode->alphaBits;
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result->cAlphaShift = 0; // FIXME
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}
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if (mode->haveAccumBuffer) {
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result->cAccumBits = mode->accumRedBits + mode->accumGreenBits
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+ mode->accumBlueBits + mode->accumAlphaBits;
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result->cAccumRedBits = mode->accumRedBits;
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result->cAccumGreenBits = mode->accumGreenBits;
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result->cAccumBlueBits = mode->accumBlueBits;
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result->cAccumAlphaBits = mode->accumAlphaBits;
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}
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if (mode->haveDepthBuffer) {
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result->cDepthBits = mode->depthBits;
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}
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if (mode->haveStencilBuffer) {
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result->cStencilBits = mode->stencilBits;
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}
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/* result->cAuxBuffers = mode->numAuxBuffers; */
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/* mode->level ignored */
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/* mode->pixmapMode ? */
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GLWIN_DEBUG_MSG("makeFormat almost done\n");
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result = NULL;
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iPixelFormat = ChoosePixelFormat(wglGetCurrentDC(), &pfd);
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if (iPixelFormat == 0)
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ErrorF("ChoosePixelFormat error: 0x%x\n", (int)GetLastError());
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GLWIN_DEBUG_MSG("makeFormat done (%d)\n", iPixelFormat);
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return iPixelFormat;
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}
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static __GLinterface *glWinCreateContext(__GLimports *imports,
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__GLcontextModes *mode,
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__GLinterface *shareGC)
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{
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__GLcontext *result;
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BOOL ret;
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PIXELFORMATDESCRIPTOR pfd;
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GLWIN_DEBUG_MSG("glWinCreateContext\n");
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result = (__GLcontext *)calloc(1, sizeof(__GLcontext));
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if (!result) return NULL;
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result->interface.imports = *imports;
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result->interface.exports = glWinExports;
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result->pixelFormat = makeFormat(mode);
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if (result->pixelFormat == 0) {
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free(result);
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return NULL;
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}
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result->ctx = NULL;
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DescribePixelFormat(wglGetCurrentDC(), result->pixelFormat,
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sizeof(pfd), &pfd);
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ret = SetPixelFormat(wglGetCurrentDC(), result->pixelFormat, &pfd);
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if (!ret) {
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free(result);
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return NULL;
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}
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result->ctx = wglCreateContext(wglGetCurrentDC());
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if (result->ctx == NULL) {
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ErrorF("wglCreateContext error: 0x%x\n", (int)GetLastError());
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free(result);
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return NULL;
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}
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GLWIN_DEBUG_MSG("glWinCreateContext done\n");
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return (__GLinterface *)result;
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}
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Bool
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glWinRealizeWindow(WindowPtr pWin)
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{
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// If this window has GL contexts, tell them to reattach
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Bool result;
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ScreenPtr pScreen = pWin->drawable.pScreen;
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glWinScreenRec *screenPriv = &glWinScreens[pScreen->myNum];
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__GLXdrawablePrivate *glxPriv;
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GLWIN_DEBUG_MSG("glWinRealizeWindow\n");
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// Allow the window to be created (RootlessRealizeWindow is inside our wrap)
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pScreen->RealizeWindow = screenPriv->RealizeWindow;
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result = pScreen->RealizeWindow(pWin);
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pScreen->RealizeWindow = glWinRealizeWindow;
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// The Aqua window will already have been created (windows are
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// realized from top down)
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// Re-attach this window's GL contexts, if any.
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glxPriv = __glXFindDrawablePrivate(pWin->drawable.id);
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if (glxPriv) {
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__GLXcontext *gx;
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__GLcontext *gc;
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__GLdrawablePrivate *glPriv = &glxPriv->glPriv;
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GLWIN_DEBUG_MSG("glWinRealizeWindow is GL drawable!\n");
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// GL contexts bound to this window for drawing
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for (gx = glxPriv->drawGlxc; gx != NULL; gx = gx->next) {
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gc = (__GLcontext *)gx->gc;
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attach(gc, glPriv);
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}
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// GL contexts bound to this window for reading
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for (gx = glxPriv->readGlxc; gx != NULL; gx = gx->next) {
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gc = (__GLcontext *)gx->gc;
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attach(gc, glPriv);
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}
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}
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return result;
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}
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Bool
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glWinUnrealizeWindow(WindowPtr pWin)
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{
|
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// If this window has GL contexts, tell them to unattach
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Bool result;
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ScreenPtr pScreen = pWin->drawable.pScreen;
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glWinScreenRec *screenPriv = &glWinScreens[pScreen->myNum];
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__GLXdrawablePrivate *glxPriv;
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GLWIN_DEBUG_MSG("glWinUnrealizeWindow\n");
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// The Aqua window may have already been destroyed (windows
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// are unrealized from top down)
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// Unattach this window's GL contexts, if any.
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glxPriv = __glXFindDrawablePrivate(pWin->drawable.id);
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if (glxPriv) {
|
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__GLXcontext *gx;
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__GLcontext *gc;
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GLWIN_DEBUG_MSG("glWinUnealizeWindow is GL drawable!\n");
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// GL contexts bound to this window for drawing
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for (gx = glxPriv->drawGlxc; gx != NULL; gx = gx->next) {
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gc = (__GLcontext *)gx->gc;
|
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unattach(gc);
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}
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// GL contexts bound to this window for reading
|
|
for (gx = glxPriv->readGlxc; gx != NULL; gx = gx->next) {
|
|
gc = (__GLcontext *)gx->gc;
|
|
unattach(gc);
|
|
}
|
|
}
|
|
|
|
pScreen->UnrealizeWindow = screenPriv->UnrealizeWindow;
|
|
result = pScreen->UnrealizeWindow(pWin);
|
|
pScreen->UnrealizeWindow = glWinUnrealizeWindow;
|
|
|
|
return result;
|
|
}
|
|
|
|
|
|
/*
|
|
* In the case the driver has no GLX visuals we'll use these.
|
|
* [0] = RGB, double buffered
|
|
* [1] = RGB, double buffered, stencil, accum
|
|
*/
|
|
// Originally copied from Mesa
|
|
|
|
static int numConfigs = 0;
|
|
static __GLXvisualConfig *visualConfigs = NULL;
|
|
static void **visualPrivates = NULL;
|
|
|
|
#define NUM_FALLBACK_CONFIGS 2
|
|
static __GLXvisualConfig FallbackConfigs[NUM_FALLBACK_CONFIGS] = {
|
|
{
|
|
-1, /* vid */
|
|
-1, /* class */
|
|
True, /* rgba */
|
|
-1, -1, -1, 0, /* rgba sizes */
|
|
-1, -1, -1, 0, /* rgba masks */
|
|
0, 0, 0, 0, /* rgba accum sizes */
|
|
True, /* doubleBuffer */
|
|
False, /* stereo */
|
|
-1, /* bufferSize */
|
|
16, /* depthSize */
|
|
0, /* stencilSize */
|
|
0, /* auxBuffers */
|
|
0, /* level */
|
|
GLX_NONE_EXT, /* visualRating */
|
|
0, /* transparentPixel */
|
|
0, 0, 0, 0, /* transparent rgba color (floats scaled to ints) */
|
|
0 /* transparentIndex */
|
|
},
|
|
{
|
|
-1, /* vid */
|
|
-1, /* class */
|
|
True, /* rgba */
|
|
-1, -1, -1, 0, /* rgba sizes */
|
|
-1, -1, -1, 0, /* rgba masks */
|
|
16, 16, 16, 0, /* rgba accum sizes */
|
|
True, /* doubleBuffer */
|
|
False, /* stereo */
|
|
-1, /* bufferSize */
|
|
16, /* depthSize */
|
|
8, /* stencilSize */
|
|
0, /* auxBuffers */
|
|
0, /* level */
|
|
GLX_NONE_EXT, /* visualRating */
|
|
0, /* transparentPixel */
|
|
0, 0, 0, 0, /* transparent rgba color (floats scaled to ints) */
|
|
0 /* transparentIndex */
|
|
}
|
|
};
|
|
|
|
static __GLXvisualConfig NullConfig = {
|
|
-1, /* vid */
|
|
-1, /* class */
|
|
False, /* rgba */
|
|
-1, -1, -1, 0, /* rgba sizes */
|
|
-1, -1, -1, 0, /* rgba masks */
|
|
0, 0, 0, 0, /* rgba accum sizes */
|
|
False, /* doubleBuffer */
|
|
False, /* stereo */
|
|
-1, /* bufferSize */
|
|
16, /* depthSize */
|
|
0, /* stencilSize */
|
|
0, /* auxBuffers */
|
|
0, /* level */
|
|
GLX_NONE_EXT, /* visualRating */
|
|
0, /* transparentPixel */
|
|
0, 0, 0, 0, /* transparent rgba color (floats scaled to ints) */
|
|
0 /* transparentIndex */
|
|
};
|
|
|
|
|
|
static inline int count_bits(uint32_t x)
|
|
{
|
|
x = x - ((x >> 1) & 0x55555555);
|
|
x = (x & 0x33333333) + ((x >> 2) & 0x33333333);
|
|
x = (x + (x >> 4)) & 0x0f0f0f0f;
|
|
x = x + (x >> 8);
|
|
x = x + (x >> 16);
|
|
return x & 63;
|
|
}
|
|
|
|
// Mostly copied from Mesa's xf86glx.c
|
|
static Bool init_visuals(int *nvisualp, VisualPtr *visualp,
|
|
VisualID *defaultVisp,
|
|
int ndepth, DepthPtr pdepth,
|
|
int rootDepth)
|
|
{
|
|
int numRGBconfigs;
|
|
int numCIconfigs;
|
|
int numVisuals = *nvisualp;
|
|
int numNewVisuals;
|
|
int numNewConfigs;
|
|
VisualPtr pVisual = *visualp;
|
|
VisualPtr pVisualNew = NULL;
|
|
VisualID *orig_vid = NULL;
|
|
__GLXvisualConfig *glXVisualPtr = NULL;
|
|
__GLXvisualConfig *pNewVisualConfigs = NULL;
|
|
void **glXVisualPriv;
|
|
void **pNewVisualPriv;
|
|
int found_default;
|
|
int i, j, k;
|
|
|
|
GLWIN_DEBUG_MSG("init_visuals\n");
|
|
|
|
if (numConfigs > 0)
|
|
numNewConfigs = numConfigs;
|
|
else
|
|
numNewConfigs = NUM_FALLBACK_CONFIGS;
|
|
|
|
/* Alloc space for the list of new GLX visuals */
|
|
pNewVisualConfigs = (__GLXvisualConfig *)
|
|
__glXMalloc(numNewConfigs * sizeof(__GLXvisualConfig));
|
|
if (!pNewVisualConfigs) {
|
|
return FALSE;
|
|
}
|
|
|
|
/* Alloc space for the list of new GLX visual privates */
|
|
pNewVisualPriv = (void **) __glXMalloc(numNewConfigs * sizeof(void *));
|
|
if (!pNewVisualPriv) {
|
|
__glXFree(pNewVisualConfigs);
|
|
return FALSE;
|
|
}
|
|
|
|
/*
|
|
** If SetVisualConfigs was not called, then use default GLX
|
|
** visual configs.
|
|
*/
|
|
if (numConfigs == 0) {
|
|
memcpy(pNewVisualConfigs, FallbackConfigs,
|
|
NUM_FALLBACK_CONFIGS * sizeof(__GLXvisualConfig));
|
|
memset(pNewVisualPriv, 0, NUM_FALLBACK_CONFIGS * sizeof(void *));
|
|
}
|
|
else {
|
|
/* copy driver's visual config info */
|
|
for (i = 0; i < numConfigs; i++) {
|
|
pNewVisualConfigs[i] = visualConfigs[i];
|
|
pNewVisualPriv[i] = visualPrivates[i];
|
|
}
|
|
}
|
|
|
|
/* Count the number of RGB and CI visual configs */
|
|
numRGBconfigs = 0;
|
|
numCIconfigs = 0;
|
|
for (i = 0; i < numNewConfigs; i++) {
|
|
if (pNewVisualConfigs[i].rgba)
|
|
numRGBconfigs++;
|
|
else
|
|
numCIconfigs++;
|
|
}
|
|
|
|
/* Count the total number of visuals to compute */
|
|
numNewVisuals = 0;
|
|
for (i = 0; i < numVisuals; i++) {
|
|
int count;
|
|
|
|
count = ((pVisual[i].class == TrueColor
|
|
|| pVisual[i].class == DirectColor)
|
|
? numRGBconfigs : numCIconfigs);
|
|
if (count == 0)
|
|
count = 1; /* preserve the existing visual */
|
|
|
|
numNewVisuals += count;
|
|
}
|
|
|
|
/* Reset variables for use with the next screen/driver's visual configs */
|
|
visualConfigs = NULL;
|
|
numConfigs = 0;
|
|
|
|
/* Alloc temp space for the list of orig VisualIDs for each new visual */
|
|
orig_vid = (VisualID *)__glXMalloc(numNewVisuals * sizeof(VisualID));
|
|
if (!orig_vid) {
|
|
__glXFree(pNewVisualPriv);
|
|
__glXFree(pNewVisualConfigs);
|
|
return FALSE;
|
|
}
|
|
|
|
/* Alloc space for the list of glXVisuals */
|
|
glXVisualPtr = (__GLXvisualConfig *)__glXMalloc(numNewVisuals *
|
|
sizeof(__GLXvisualConfig));
|
|
if (!glXVisualPtr) {
|
|
__glXFree(orig_vid);
|
|
__glXFree(pNewVisualPriv);
|
|
__glXFree(pNewVisualConfigs);
|
|
return FALSE;
|
|
}
|
|
|
|
/* Alloc space for the list of glXVisualPrivates */
|
|
glXVisualPriv = (void **)__glXMalloc(numNewVisuals * sizeof(void *));
|
|
if (!glXVisualPriv) {
|
|
__glXFree(glXVisualPtr);
|
|
__glXFree(orig_vid);
|
|
__glXFree(pNewVisualPriv);
|
|
__glXFree(pNewVisualConfigs);
|
|
return FALSE;
|
|
}
|
|
|
|
/* Alloc space for the new list of the X server's visuals */
|
|
pVisualNew = (VisualPtr)__glXMalloc(numNewVisuals * sizeof(VisualRec));
|
|
if (!pVisualNew) {
|
|
__glXFree(glXVisualPriv);
|
|
__glXFree(glXVisualPtr);
|
|
__glXFree(orig_vid);
|
|
__glXFree(pNewVisualPriv);
|
|
__glXFree(pNewVisualConfigs);
|
|
return FALSE;
|
|
}
|
|
|
|
/* Initialize the new visuals */
|
|
found_default = FALSE;
|
|
for (i = j = 0; i < numVisuals; i++) {
|
|
int is_rgb = (pVisual[i].class == TrueColor ||
|
|
pVisual[i].class == DirectColor);
|
|
|
|
if (!is_rgb)
|
|
{
|
|
/* We don't support non-rgb visuals for GL. But we don't
|
|
want to remove them either, so just pass them through
|
|
with null glX configs */
|
|
|
|
pVisualNew[j] = pVisual[i];
|
|
pVisualNew[j].vid = FakeClientID(0);
|
|
|
|
/* Check for the default visual */
|
|
if (!found_default && pVisual[i].vid == *defaultVisp) {
|
|
*defaultVisp = pVisualNew[j].vid;
|
|
found_default = TRUE;
|
|
}
|
|
|
|
/* Save the old VisualID */
|
|
orig_vid[j] = pVisual[i].vid;
|
|
|
|
/* Initialize the glXVisual */
|
|
glXVisualPtr[j] = NullConfig;
|
|
glXVisualPriv[j] = NULL;
|
|
|
|
j++;
|
|
|
|
continue;
|
|
}
|
|
|
|
for (k = 0; k < numNewConfigs; k++) {
|
|
if (pNewVisualConfigs[k].rgba != is_rgb)
|
|
continue;
|
|
|
|
/* Initialize the new visual */
|
|
pVisualNew[j] = pVisual[i];
|
|
pVisualNew[j].vid = FakeClientID(0);
|
|
|
|
/* Check for the default visual */
|
|
if (!found_default && pVisual[i].vid == *defaultVisp) {
|
|
*defaultVisp = pVisualNew[j].vid;
|
|
found_default = TRUE;
|
|
}
|
|
|
|
/* Save the old VisualID */
|
|
orig_vid[j] = pVisual[i].vid;
|
|
|
|
/* Initialize the glXVisual */
|
|
glXVisualPtr[j] = pNewVisualConfigs[k];
|
|
glXVisualPtr[j].vid = pVisualNew[j].vid;
|
|
|
|
/*
|
|
* If the class is -1, then assume the X visual information
|
|
* is identical to what GLX needs, and take them from the X
|
|
* visual. NOTE: if class != -1, then all other fields MUST
|
|
* be initialized.
|
|
*/
|
|
if (glXVisualPtr[j].class == -1) {
|
|
glXVisualPtr[j].class = pVisual[i].class;
|
|
glXVisualPtr[j].redSize = count_bits(pVisual[i].redMask);
|
|
glXVisualPtr[j].greenSize = count_bits(pVisual[i].greenMask);
|
|
glXVisualPtr[j].blueSize = count_bits(pVisual[i].blueMask);
|
|
glXVisualPtr[j].alphaSize = glXVisualPtr[j].alphaSize;
|
|
glXVisualPtr[j].redMask = pVisual[i].redMask;
|
|
glXVisualPtr[j].greenMask = pVisual[i].greenMask;
|
|
glXVisualPtr[j].blueMask = pVisual[i].blueMask;
|
|
glXVisualPtr[j].alphaMask = glXVisualPtr[j].alphaMask;
|
|
glXVisualPtr[j].bufferSize = rootDepth;
|
|
}
|
|
|
|
/* Save the device-dependent private for this visual */
|
|
glXVisualPriv[j] = pNewVisualPriv[k];
|
|
|
|
j++;
|
|
}
|
|
}
|
|
|
|
assert(j <= numNewVisuals);
|
|
|
|
/* Save the GLX visuals in the screen structure */
|
|
glWinScreens[screenInfo.numScreens-1].num_vis = numNewVisuals;
|
|
glWinScreens[screenInfo.numScreens-1].glx_vis = glXVisualPtr;
|
|
glWinScreens[screenInfo.numScreens-1].priv = glXVisualPriv;
|
|
|
|
/* Set up depth's VisualIDs */
|
|
for (i = 0; i < ndepth; i++) {
|
|
int numVids = 0;
|
|
VisualID *pVids = NULL;
|
|
int k, n = 0;
|
|
|
|
/* Count the new number of VisualIDs at this depth */
|
|
for (j = 0; j < pdepth[i].numVids; j++)
|
|
for (k = 0; k < numNewVisuals; k++)
|
|
if (pdepth[i].vids[j] == orig_vid[k])
|
|
numVids++;
|
|
|
|
/* Allocate a new list of VisualIDs for this depth */
|
|
pVids = (VisualID *)__glXMalloc(numVids * sizeof(VisualID));
|
|
|
|
/* Initialize the new list of VisualIDs for this depth */
|
|
for (j = 0; j < pdepth[i].numVids; j++)
|
|
for (k = 0; k < numNewVisuals; k++)
|
|
if (pdepth[i].vids[j] == orig_vid[k])
|
|
pVids[n++] = pVisualNew[k].vid;
|
|
|
|
/* Update this depth's list of VisualIDs */
|
|
__glXFree(pdepth[i].vids);
|
|
pdepth[i].vids = pVids;
|
|
pdepth[i].numVids = numVids;
|
|
}
|
|
|
|
/* Update the X server's visuals */
|
|
*nvisualp = numNewVisuals;
|
|
*visualp = pVisualNew;
|
|
|
|
/* Free the old list of the X server's visuals */
|
|
__glXFree(pVisual);
|
|
|
|
/* Clean up temporary allocations */
|
|
__glXFree(orig_vid);
|
|
__glXFree(pNewVisualPriv);
|
|
__glXFree(pNewVisualConfigs);
|
|
|
|
/* Free the private list created by DDX HW driver */
|
|
if (visualPrivates)
|
|
xfree(visualPrivates);
|
|
visualPrivates = NULL;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
static void fixup_visuals(int screen)
|
|
{
|
|
ScreenPtr pScreen = screenInfo.screens[screen];
|
|
glWinScreenRec *pScr = &glWinScreens[screen];
|
|
__GLXvisualConfig *pGLXVis = pScr->glx_vis;
|
|
VisualPtr pVis;
|
|
int i, j;
|
|
|
|
GLWIN_DEBUG_MSG("fixup_visuals\n");
|
|
|
|
for (i = 0; i < pScr->num_vis; i++, pGLXVis++) {
|
|
pVis = pScreen->visuals;
|
|
|
|
/* Find a visual that matches the GLX visual's class and size */
|
|
for (j = 0; j < pScreen->numVisuals; j++, pVis++) {
|
|
if (pVis->class == pGLXVis->class &&
|
|
pVis->nplanes == pGLXVis->bufferSize) {
|
|
|
|
/* Fixup the masks */
|
|
pGLXVis->redMask = pVis->redMask;
|
|
pGLXVis->greenMask = pVis->greenMask;
|
|
pGLXVis->blueMask = pVis->blueMask;
|
|
|
|
/* Recalc the sizes */
|
|
pGLXVis->redSize = count_bits(pGLXVis->redMask);
|
|
pGLXVis->greenSize = count_bits(pGLXVis->greenMask);
|
|
pGLXVis->blueSize = count_bits(pGLXVis->blueMask);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void init_screen_visuals(int screen)
|
|
{
|
|
ScreenPtr pScreen = screenInfo.screens[screen];
|
|
__GLXvisualConfig *pGLXVis = glWinScreens[screen].glx_vis;
|
|
// XMesaVisual *pXMesaVisual;
|
|
VisualPtr pVis;
|
|
int *used;
|
|
int i, j;
|
|
|
|
GLWIN_DEBUG_MSG("init_screen_visuals\n");
|
|
|
|
/* Alloc space for the list of XMesa visuals */
|
|
// pXMesaVisual = (XMesaVisual *)__glXMalloc(MESAScreens[screen].num_vis *
|
|
// sizeof(XMesaVisual));
|
|
// __glXMemset(pXMesaVisual, 0,
|
|
// MESAScreens[screen].num_vis * sizeof(XMesaVisual));
|
|
|
|
used = (int *)__glXMalloc(pScreen->numVisuals * sizeof(int));
|
|
__glXMemset(used, 0, pScreen->numVisuals * sizeof(int));
|
|
|
|
for (i = 0; i < glWinScreens[screen].num_vis; i++, pGLXVis++) {
|
|
pVis = pScreen->visuals;
|
|
for (j = 0; j < pScreen->numVisuals; j++, pVis++) {
|
|
|
|
if (pVis->class == pGLXVis->class &&
|
|
pVis->nplanes == pGLXVis->bufferSize &&
|
|
!used[j]) {
|
|
|
|
if (pVis->redMask == pGLXVis->redMask &&
|
|
pVis->greenMask == pGLXVis->greenMask &&
|
|
pVis->blueMask == pGLXVis->blueMask) {
|
|
|
|
/* Create the XMesa visual */
|
|
/*
|
|
pXMesaVisual[i] =
|
|
XMesaCreateVisual(pScreen,
|
|
pVis,
|
|
pGLXVis->rgba,
|
|
(pGLXVis->alphaSize > 0),
|
|
pGLXVis->doubleBuffer,
|
|
pGLXVis->stereo,
|
|
GL_TRUE, // ximage_flag
|
|
pGLXVis->depthSize,
|
|
pGLXVis->stencilSize,
|
|
pGLXVis->accumRedSize,
|
|
pGLXVis->accumGreenSize,
|
|
pGLXVis->accumBlueSize,
|
|
pGLXVis->accumAlphaSize,
|
|
0, // numSamples
|
|
pGLXVis->level,
|
|
pGLXVis->visualRating );
|
|
*/
|
|
/* Set the VisualID */
|
|
pGLXVis->vid = pVis->vid;
|
|
|
|
/* Mark this visual used */
|
|
used[j] = 1;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
__glXFree(used);
|
|
|
|
// glWinScreens[screen].xm_vis = pXMesaVisual;
|
|
}
|
|
|
|
static Bool glWinScreenProbe(int screen)
|
|
{
|
|
ScreenPtr pScreen;
|
|
glWinScreenRec *screenPriv;
|
|
|
|
GLWIN_DEBUG_MSG("glWinScreenProbe\n");
|
|
|
|
/*
|
|
* Set up the current screen's visuals.
|
|
*/
|
|
__glDDXScreenInfo.pGlxVisual = glWinScreens[screen].glx_vis;
|
|
__glDDXScreenInfo.pVisualPriv = glWinScreens[screen].priv;
|
|
__glDDXScreenInfo.numVisuals =
|
|
__glDDXScreenInfo.numUsableVisuals = glWinScreens[screen].num_vis;
|
|
|
|
/*
|
|
* Set the current screen's createContext routine. This could be
|
|
* wrapped by a DDX GLX context creation routine.
|
|
*/
|
|
__glDDXScreenInfo.createContext = glWinCreateContext;
|
|
|
|
/*
|
|
* The ordering of the rgb compenents might have been changed by the
|
|
* driver after mi initialized them.
|
|
*/
|
|
fixup_visuals(screen);
|
|
|
|
/*
|
|
* Find the GLX visuals that are supported by this screen and create
|
|
* XMesa's visuals.
|
|
*/
|
|
init_screen_visuals(screen);
|
|
|
|
// Wrap RealizeWindow and UnrealizeWindow on this screen
|
|
pScreen = screenInfo.screens[screen];
|
|
screenPriv = &glWinScreens[screen];
|
|
screenPriv->RealizeWindow = pScreen->RealizeWindow;
|
|
pScreen->RealizeWindow = glWinRealizeWindow;
|
|
screenPriv->UnrealizeWindow = pScreen->UnrealizeWindow;
|
|
pScreen->UnrealizeWindow = glWinUnrealizeWindow;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static GLboolean glWinSwapBuffers(__GLXdrawablePrivate *glxPriv)
|
|
{
|
|
// swap buffers on only *one* of the contexts
|
|
// (e.g. the last one for drawing)
|
|
__GLcontext *gc = (__GLcontext *)glxPriv->drawGlxc->gc;
|
|
//CGLError gl_err;
|
|
|
|
GLWIN_DEBUG_MSG("glWinSwapBuffers\n");
|
|
|
|
if (gc != NULL && gc->ctx != NULL)
|
|
{
|
|
/*
|
|
gl_err = CGLFlushDrawable(gc->ctx);
|
|
if (gl_err != 0)
|
|
ErrorF("CGLFlushDrawable error: %s\n", CGLErrorString(gl_err));
|
|
*/
|
|
}
|
|
|
|
return GL_TRUE;
|
|
}
|
|
|
|
static void glWinDestroyDrawablePrivate(__GLdrawablePrivate *glPriv)
|
|
{
|
|
GLWIN_DEBUG_MSG("glWinDestroyDrawablePrivate\n");
|
|
|
|
/* It doesn't work to call DRIDestroySurface here, the drawable's
|
|
already gone.. But dri.c notices the window destruction and
|
|
frees the surface itself. */
|
|
|
|
free(glPriv->private);
|
|
glPriv->private = NULL;
|
|
}
|
|
|
|
|
|
static void glWinCreateBuffer(__GLXdrawablePrivate *glxPriv)
|
|
{
|
|
GLWinDrawableRec *winPriv = malloc(sizeof(GLWinDrawableRec));
|
|
__GLdrawablePrivate *glPriv = &glxPriv->glPriv;
|
|
|
|
//winPriv->sid = 0;
|
|
winPriv->pDraw = NULL;
|
|
|
|
GLWIN_DEBUG_MSG("glWinCreateBuffer\n");
|
|
|
|
// replace swapBuffers (original is never called)
|
|
glxPriv->swapBuffers = glWinSwapBuffers;
|
|
|
|
// stash private data
|
|
glPriv->private = winPriv;
|
|
glPriv->freePrivate = glWinDestroyDrawablePrivate;
|
|
}
|
|
|
|
static void glWinResetExtension(void)
|
|
{
|
|
GLWIN_DEBUG_MSG("glWinResetExtension\n");
|
|
}
|
|
|
|
/* based on code in apples/indirect.c which is based on i830_dri.c */
|
|
static void
|
|
glWinInitVisualConfigs(void)
|
|
{
|
|
int lclNumConfigs = 0;
|
|
__GLXvisualConfig *lclVisualConfigs = NULL;
|
|
void **lclVisualPrivates = NULL;
|
|
|
|
int depth, aux, buffers, stencil, accum;
|
|
int i = 0;
|
|
|
|
GLWIN_DEBUG_MSG("glWinInitVisualConfigs ");
|
|
|
|
/* count num configs:
|
|
2 Z buffer (0, 24 bit)
|
|
2 AUX buffer (0, 2)
|
|
2 buffers (single, double)
|
|
2 stencil (0, 8 bit)
|
|
2 accum (0, 64 bit)
|
|
= 32 configs */
|
|
|
|
lclNumConfigs = 2 * 2 * 2 * 2 * 2; /* 32 */
|
|
|
|
/* alloc */
|
|
lclVisualConfigs = xcalloc(sizeof(__GLXvisualConfig), lclNumConfigs);
|
|
lclVisualPrivates = xcalloc(sizeof(void *), lclNumConfigs);
|
|
|
|
/* fill in configs */
|
|
if (NULL != lclVisualConfigs) {
|
|
i = 0; /* current buffer */
|
|
for (depth = 0; depth < 2; depth++) {
|
|
for (aux = 0; aux < 2; aux++) {
|
|
for (buffers = 0; buffers < 2; buffers++) {
|
|
for (stencil = 0; stencil < 2; stencil++) {
|
|
for (accum = 0; accum < 2; accum++) {
|
|
lclVisualConfigs[i].vid = -1;
|
|
lclVisualConfigs[i].class = -1;
|
|
lclVisualConfigs[i].rgba = TRUE;
|
|
lclVisualConfigs[i].redSize = -1;
|
|
lclVisualConfigs[i].greenSize = -1;
|
|
lclVisualConfigs[i].blueSize = -1;
|
|
lclVisualConfigs[i].redMask = -1;
|
|
lclVisualConfigs[i].greenMask = -1;
|
|
lclVisualConfigs[i].blueMask = -1;
|
|
lclVisualConfigs[i].alphaMask = 0;
|
|
if (accum) {
|
|
lclVisualConfigs[i].accumRedSize = 16;
|
|
lclVisualConfigs[i].accumGreenSize = 16;
|
|
lclVisualConfigs[i].accumBlueSize = 16;
|
|
lclVisualConfigs[i].accumAlphaSize = 16;
|
|
}
|
|
else {
|
|
lclVisualConfigs[i].accumRedSize = 0;
|
|
lclVisualConfigs[i].accumGreenSize = 0;
|
|
lclVisualConfigs[i].accumBlueSize = 0;
|
|
lclVisualConfigs[i].accumAlphaSize = 0;
|
|
}
|
|
lclVisualConfigs[i].doubleBuffer = buffers ? TRUE : FALSE;
|
|
lclVisualConfigs[i].stereo = FALSE;
|
|
lclVisualConfigs[i].bufferSize = -1;
|
|
|
|
lclVisualConfigs[i].depthSize = depth? 24 : 0;
|
|
lclVisualConfigs[i].stencilSize = stencil ? 8 : 0;
|
|
lclVisualConfigs[i].auxBuffers = aux ? 2 : 0;
|
|
lclVisualConfigs[i].level = 0;
|
|
lclVisualConfigs[i].visualRating = GLX_NONE_EXT;
|
|
lclVisualConfigs[i].transparentPixel = 0;
|
|
lclVisualConfigs[i].transparentRed = 0;
|
|
lclVisualConfigs[i].transparentGreen = 0;
|
|
lclVisualConfigs[i].transparentBlue = 0;
|
|
lclVisualConfigs[i].transparentAlpha = 0;
|
|
lclVisualConfigs[i].transparentIndex = 0;
|
|
i++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (i != lclNumConfigs)
|
|
GLWIN_DEBUG_MSG("glWinInitVisualConfigs failed to alloc visual configs");
|
|
|
|
GlxSetVisualConfigs(lclNumConfigs, lclVisualConfigs, lclVisualPrivates);
|
|
}
|
|
|
|
// Copied from Mesa
|
|
static void glWinSetVisualConfigs(int nconfigs, __GLXvisualConfig *configs,
|
|
void **privates)
|
|
{
|
|
GLWIN_DEBUG_MSG("glWinSetVisualConfigs\n");
|
|
|
|
numConfigs = nconfigs;
|
|
visualConfigs = configs;
|
|
visualPrivates = privates;
|
|
}
|
|
|
|
// Copied from Mesa
|
|
static Bool glWinInitVisuals(VisualPtr *visualp, DepthPtr *depthp,
|
|
int *nvisualp, int *ndepthp,
|
|
int *rootDepthp, VisualID *defaultVisp,
|
|
unsigned long sizes, int bitsPerRGB)
|
|
{
|
|
GLWIN_DEBUG_MSG("glWinInitVisuals\n");
|
|
|
|
if (0 == numConfigs) /* if no configs */
|
|
glWinInitVisualConfigs(); /* ensure the visula configs are setup */
|
|
|
|
/*
|
|
* Setup the visuals supported by this particular screen.
|
|
*/
|
|
return init_visuals(nvisualp, visualp, defaultVisp,
|
|
*ndepthp, *depthp, *rootDepthp);
|
|
}
|
|
|