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author | Jeremy Huddleston <jeremyhu@apple.com> | 2010-04-01 11:01:31 -0700 |
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committer | Jeremy Huddleston <jeremyhu@apple.com> | 2010-04-01 12:33:45 -0700 |
commit | 0594cf70883b64692ba617d85f4f9b4e636e5c2b (patch) | |
tree | 4f0180af9c072c393e3d6270825953bf46a9152e /src/glx/glx_pbuffer.c | |
parent | 86a7978d37393ee34f876569ac06ffdb8d7289ae (diff) | |
download | external_mesa3d-0594cf70883b64692ba617d85f4f9b4e636e5c2b.zip external_mesa3d-0594cf70883b64692ba617d85f4f9b4e636e5c2b.tar.gz external_mesa3d-0594cf70883b64692ba617d85f4f9b4e636e5c2b.tar.bz2 |
apple: Initial import of libGL for OSX from AppleSGLX svn repository.
Signed-off-by: Jeremy Huddleston <jeremyhu@apple.com>
Diffstat (limited to 'src/glx/glx_pbuffer.c')
-rw-r--r-- | src/glx/glx_pbuffer.c | 196 |
1 files changed, 184 insertions, 12 deletions
diff --git a/src/glx/glx_pbuffer.c b/src/glx/glx_pbuffer.c index 52e0671..143cf87 100644 --- a/src/glx/glx_pbuffer.c +++ b/src/glx/glx_pbuffer.c @@ -37,6 +37,12 @@ #include <string.h> #include "glxextensions.h" +#ifdef GLX_USE_APPLEGL +#include <pthread.h> +#include "apple_glx_drawable.h" +#include "glx_error.h" +#endif + #define WARN_ONCE_GLX_1_3(a, b) { \ static int warned=1; \ if(warned) { \ @@ -49,19 +55,19 @@ * Emit a warning when clients use GLX 1.3 functions on pre-1.3 systems. */ static void -warn_GLX_1_3(Display *dpy, const char *function_name) +warn_GLX_1_3(Display * dpy, const char *function_name) { __GLXdisplayPrivate *priv = __glXInitialize(dpy); if (priv->minorVersion < 3) { - fprintf(stderr, - "WARNING: Application calling GLX 1.3 function \"%s\" " - "when GLX 1.3 is not supported! This is an application bug!\n", - function_name); + fprintf(stderr, + "WARNING: Application calling GLX 1.3 function \"%s\" " + "when GLX 1.3 is not supported! This is an application bug!\n", + function_name); } } - +#ifndef GLX_USE_APPLEGL /** * Change a drawable's attribute. * @@ -552,7 +558,6 @@ CreatePbuffer(Display * dpy, const __GLcontextModes * fbconfig, return id; } - /** * Create a new pbuffer. */ @@ -566,6 +571,7 @@ glXCreateGLXPbufferSGIX(Display * dpy, GLXFBConfigSGIX config, attrib_list, GL_FALSE); } +#endif /* GLX_USE_APPLEGL */ /** * Create a new pbuffer. @@ -574,12 +580,57 @@ PUBLIC GLXPbuffer glXCreatePbuffer(Display * dpy, GLXFBConfig config, const int *attrib_list) { int i, width, height; +#ifdef GLX_USE_APPLEGL + GLXPbuffer result; + int errorcode; +#endif width = 0; height = 0; WARN_ONCE_GLX_1_3(dpy, __func__); +#ifdef GLX_USE_APPLEGL + for (i = 0; attrib_list[i]; ++i) { + switch (attrib_list[i]) { + case GLX_PBUFFER_WIDTH: + width = attrib_list[i + 1]; + ++i; + break; + + case GLX_PBUFFER_HEIGHT: + height = attrib_list[i + 1]; + ++i; + break; + + case GLX_LARGEST_PBUFFER: + /* This is a hint we should probably handle, but how? */ + ++i; + break; + + case GLX_PRESERVED_CONTENTS: + /* The contents are always preserved with AppleSGLX with CGL. */ + ++i; + break; + + default: + return None; + } + } + + if (apple_glx_pbuffer_create(dpy, config, width, height, &errorcode, + &result)) { + /* + * apple_glx_pbuffer_create only sets the errorcode to core X11 + * errors. + */ + __glXSendError(dpy, errorcode, 0, X_GLXCreatePbuffer, true); + + return None; + } + + return result; +#else for (i = 0; attrib_list[i * 2]; i++) { switch (attrib_list[i * 2]) { case GLX_PBUFFER_WIDTH: @@ -593,6 +644,7 @@ glXCreatePbuffer(Display * dpy, GLXFBConfig config, const int *attrib_list) return (GLXPbuffer) CreatePbuffer(dpy, (__GLcontextModes *) config, width, height, attrib_list, GL_TRUE); +#endif } @@ -602,7 +654,13 @@ glXCreatePbuffer(Display * dpy, GLXFBConfig config, const int *attrib_list) PUBLIC void glXDestroyPbuffer(Display * dpy, GLXPbuffer pbuf) { +#ifdef GLX_USE_APPLEGL + if (apple_glx_pbuffer_destroy(dpy, pbuf)) { + __glXSendError(dpy, GLXBadPbuffer, pbuf, X_GLXDestroyPbuffer, false); + } +#else DestroyPbuffer(dpy, pbuf); +#endif } @@ -614,10 +672,47 @@ glXQueryDrawable(Display * dpy, GLXDrawable drawable, int attribute, unsigned int *value) { WARN_ONCE_GLX_1_3(dpy, __func__); +#ifdef GLX_USE_APPLEGL + Window root; + int x, y; + unsigned int width, height, bd, depth; + + if (apple_glx_pixmap_query(drawable, attribute, value)) + return; /*done */ + + if (apple_glx_pbuffer_query(drawable, attribute, value)) + return; /*done */ + + /* + * The OpenGL spec states that we should report GLXBadDrawable if + * the drawable is invalid, however doing so would require that we + * use XSetErrorHandler(), which is known to not be thread safe. + * If we use a round-trip call to validate the drawable, there could + * be a race, so instead we just opt in favor of letting the + * XGetGeometry request fail with a GetGeometry request X error + * rather than GLXBadDrawable, in what is hoped to be a rare + * case of an invalid drawable. In practice most and possibly all + * X11 apps using GLX shouldn't notice a difference. + */ + if (XGetGeometry + (dpy, drawable, &root, &x, &y, &width, &height, &bd, &depth)) { + switch (attribute) { + case GLX_WIDTH: + *value = width; + break; + + case GLX_HEIGHT: + *value = height; + break; + } + } +#else GetDrawableAttribute(dpy, drawable, attribute, value); +#endif } +#ifndef GLX_USE_APPLEGL /** * Query an attribute of a pbuffer. */ @@ -627,7 +722,7 @@ glXQueryGLXPbufferSGIX(Display * dpy, GLXPbufferSGIX drawable, { return GetDrawableAttribute(dpy, drawable, attribute, value); } - +#endif /** * Select the event mask for a drawable. @@ -635,12 +730,30 @@ glXQueryGLXPbufferSGIX(Display * dpy, GLXPbufferSGIX drawable, PUBLIC void glXSelectEvent(Display * dpy, GLXDrawable drawable, unsigned long mask) { +#ifdef GLX_USE_APPLEGL + XWindowAttributes xwattr; + + if (apple_glx_pbuffer_set_event_mask(drawable, mask)) + return; /*done */ + + /* + * The spec allows a window, but currently there are no valid + * events for a window, so do nothing. + */ + if (XGetWindowAttributes(dpy, drawable, &xwattr)) + return; /*done */ + /* The drawable seems to be invalid. Report an error. */ + + __glXSendError(dpy, GLXBadDrawable, drawable, + X_GLXChangeDrawableAttributes, false); +#else CARD32 attribs[2]; attribs[0] = (CARD32) GLX_EVENT_MASK; attribs[1] = (CARD32) mask; ChangeDrawableAttribute(dpy, drawable, attribs, 1); +#endif } @@ -650,6 +763,26 @@ glXSelectEvent(Display * dpy, GLXDrawable drawable, unsigned long mask) PUBLIC void glXGetSelectedEvent(Display * dpy, GLXDrawable drawable, unsigned long *mask) { +#ifdef GLX_USE_APPLEGL + XWindowAttributes xwattr; + + if (apple_glx_pbuffer_get_event_mask(drawable, mask)) + return; /*done */ + + /* + * The spec allows a window, but currently there are no valid + * events for a window, so do nothing, but set the mask to 0. + */ + if (XGetWindowAttributes(dpy, drawable, &xwattr)) { + /* The window is valid, so set the mask to 0. */ + *mask = 0; + return; /*done */ + } + /* The drawable seems to be invalid. Report an error. */ + + __glXSendError(dpy, GLXBadDrawable, drawable, X_GLXGetDrawableAttributes, + true); +#else unsigned int value; @@ -660,6 +793,7 @@ glXGetSelectedEvent(Display * dpy, GLXDrawable drawable, unsigned long *mask) GetDrawableAttribute(dpy, drawable, GLX_EVENT_MASK_SGIX, &value); *mask = value; +#endif } @@ -669,8 +803,17 @@ glXCreatePixmap(Display * dpy, GLXFBConfig config, Pixmap pixmap, { WARN_ONCE_GLX_1_3(dpy, __func__); +#ifdef GLX_USE_APPLEGL + const __GLcontextModes *modes = (const __GLcontextModes *) config; + + if (apple_glx_pixmap_create(dpy, modes->screen, pixmap, modes)) + return None; + + return pixmap; +#else return CreateDrawable(dpy, (__GLcontextModes *) config, (Drawable) pixmap, attrib_list, X_GLXCreatePixmap); +#endif } @@ -679,9 +822,33 @@ glXCreateWindow(Display * dpy, GLXFBConfig config, Window win, const int *attrib_list) { WARN_ONCE_GLX_1_3(dpy, __func__); +#ifdef GLX_USE_APPLEGL + XWindowAttributes xwattr; + XVisualInfo *visinfo; + + (void) attrib_list; /*unused according to GLX 1.4 */ + + XGetWindowAttributes(dpy, win, &xwattr); + visinfo = glXGetVisualFromFBConfig(dpy, config); + + if (NULL == visinfo) { + __glXSendError(dpy, GLXBadFBConfig, 0, X_GLXCreateWindow, false); + return None; + } + + if (visinfo->visualid != XVisualIDFromVisual(xwattr.visual)) { + __glXSendError(dpy, BadMatch, 0, X_GLXCreateWindow, true); + return None; + } + + XFree(visinfo); + + return win; +#else return CreateDrawable(dpy, (__GLcontextModes *) config, (Drawable) win, attrib_list, X_GLXCreateWindow); +#endif } @@ -689,8 +856,12 @@ PUBLIC void glXDestroyPixmap(Display * dpy, GLXPixmap pixmap) { WARN_ONCE_GLX_1_3(dpy, __func__); - +#ifdef GLX_USE_APPLEGL + if (apple_glx_pixmap_destroy(dpy, pixmap)) + __glXSendError(dpy, GLXBadPixmap, pixmap, X_GLXDestroyPixmap, false); +#else DestroyDrawable(dpy, (GLXDrawable) pixmap, X_GLXDestroyPixmap); +#endif } @@ -698,11 +869,12 @@ PUBLIC void glXDestroyWindow(Display * dpy, GLXWindow win) { WARN_ONCE_GLX_1_3(dpy, __func__); - +#ifndef GLX_USE_APPLEGL DestroyDrawable(dpy, (GLXDrawable) win, X_GLXDestroyWindow); +#endif } - +#ifndef GLX_USE_APPLEGL PUBLIC GLX_ALIAS_VOID(glXDestroyGLXPbufferSGIX, (Display * dpy, GLXPbufferSGIX pbuf), @@ -718,4 +890,4 @@ GLX_ALIAS_VOID(glXGetSelectedEventSGIX, (Display * dpy, GLXDrawable drawable, unsigned long *mask), (dpy, drawable, mask), glXGetSelectedEvent) - +#endif |