/*
* Mesa 3-D graphics library
- * Version: 6.5.2
+ * Version: 7.5
*
- * Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
+ * Copyright (C) 2009 VMware, Inc. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
#include "glxheader.h"
#include "glxapi.h"
-#include "GL/xmesa.h"
-#include "context.h"
-#include "config.h"
-#include "macros.h"
-#include "imports.h"
-#include "mtypes.h"
-#include "version.h"
+#include "main/context.h"
+#include "main/config.h"
+#include "main/macros.h"
+#include "main/imports.h"
+#include "main/mtypes.h"
+#include "main/version.h"
#include "xfonts.h"
#include "xmesaP.h"
"GLX_MESA_pixmap_colormap " \
"GLX_MESA_release_buffers " \
"GLX_ARB_get_proc_address " \
+ "GLX_EXT_texture_from_pixmap " \
"GLX_EXT_visual_info " \
"GLX_EXT_visual_rating " \
/*"GLX_SGI_video_sync "*/ \
}
}
+ if (stereoFlag) {
+ /* stereo not supported */
+ return NULL;
+ }
+
/* Comparing IDs uses less memory but sometimes fails. */
/* XXX revisit this after 3.0 is finished. */
if (_mesa_getenv("MESA_GLX_VISUAL_HACK"))
else {
stereo_flag = GL_TRUE;
}
- return NULL; /* stereo not supported */
+ break;
case GLX_AUX_BUFFERS:
parselist++;
numAux = *parselist++;
* GLX_ARB_multisample
*/
case GLX_SAMPLE_BUFFERS_ARB:
- /* ms not supported */
- return NULL;
case GLX_SAMPLES_ARB:
- /* ms not supported */
- return NULL;
+ parselist++;
+ if (*parselist++ != 0)
+ /* ms not supported */
+ return NULL;
+ break;
/*
* FBConfig attribs.
if (!fbConfig)
return NULL;
parselist++;
- if (*parselist == GLX_RGBA_BIT) {
+ if (*parselist & GLX_RGBA_BIT) {
rgb_flag = GL_TRUE;
}
- else if (*parselist == GLX_COLOR_INDEX_BIT) {
+ else if (*parselist & GLX_COLOR_INDEX_BIT) {
rgb_flag = GL_FALSE;
}
else if (*parselist == 0) {
/* ignore */
break;
+#ifdef GLX_EXT_texture_from_pixmap
+ case GLX_BIND_TO_TEXTURE_RGB_EXT:
+ parselist++; /*skip*/
+ break;
+ case GLX_BIND_TO_TEXTURE_RGBA_EXT:
+ parselist++; /*skip*/
+ break;
+ case GLX_BIND_TO_MIPMAP_TEXTURE_EXT:
+ parselist++; /*skip*/
+ break;
+ case GLX_BIND_TO_TEXTURE_TARGETS_EXT:
+ parselist++;
+ if (*parselist & ~(GLX_TEXTURE_1D_BIT_EXT |
+ GLX_TEXTURE_2D_BIT_EXT |
+ GLX_TEXTURE_RECTANGLE_BIT_EXT)) {
+ /* invalid bit */
+ return NULL;
+ }
+ break;
+ case GLX_Y_INVERTED_EXT:
+ parselist++; /*skip*/
+ break;
+#endif
+
case None:
/* end of list */
break;
}
+/**
+ * Init basic fields of a new fake_glx_context.
+ */
+static void
+init_glx_context(struct fake_glx_context *glxCtx, Display *dpy)
+{
+ /* Always return True. See if anyone's confused... */
+ GLboolean direct = GL_TRUE;
+
+ glxCtx->xmesaContext->direct = direct;
+ glxCtx->glxContext.isDirect = direct;
+ glxCtx->glxContext.currentDpy = dpy;
+ glxCtx->glxContext.xid = (XID) glxCtx; /* self pointer */
+
+ assert((void *) glxCtx == (void *) &(glxCtx->glxContext));
+}
+
+
+
static GLXContext
Fake_glXCreateContext( Display *dpy, XVisualInfo *visinfo,
GLXContext share_list, Bool direct )
return NULL;
}
- glxCtx->xmesaContext->direct = GL_FALSE;
- glxCtx->glxContext.isDirect = GL_FALSE;
- glxCtx->glxContext.currentDpy = dpy;
- glxCtx->glxContext.xid = (XID) glxCtx; /* self pointer */
-
- assert((void *) glxCtx == (void *) &(glxCtx->glxContext));
+ init_glx_context(glxCtx, dpy);
return (GLXContext) glxCtx;
}
static Bool
-Fake_glXQueryExtension( Display *dpy, int *errorb, int *event )
+Fake_glXQueryExtension( Display *dpy, int *errorBase, int *eventBase )
{
+ int op, ev, err;
/* Mesa's GLX isn't really an X extension but we try to act like one. */
- (void) dpy;
- (void) errorb;
- (void) event;
- return True;
+ if (!XQueryExtension(dpy, GLX_EXTENSION_NAME, &op, &ev, &err))
+ ev = err = 0;
+ if (errorBase)
+ *errorBase = err;
+ if (eventBase)
+ *eventBase = ev;
+ return True; /* we're faking GLX so always return success */
}
*value = xmvis->visinfo->visualid;
break;
+#ifdef GLX_EXT_texture_from_pixmap
+ case GLX_BIND_TO_TEXTURE_RGB_EXT:
+ *value = True; /*XXX*/
+ break;
+ case GLX_BIND_TO_TEXTURE_RGBA_EXT:
+ /* XXX review */
+ *value = xmvis->mesa_visual.alphaBits > 0 ? True : False;
+ break;
+ case GLX_BIND_TO_MIPMAP_TEXTURE_EXT:
+ *value = True; /*XXX*/
+ break;
+ case GLX_BIND_TO_TEXTURE_TARGETS_EXT:
+ *value = (GLX_TEXTURE_1D_BIT_EXT |
+ GLX_TEXTURE_2D_BIT_EXT |
+ GLX_TEXTURE_RECTANGLE_BIT_EXT); /*XXX*/
+ break;
+ case GLX_Y_INVERTED_EXT:
+ *value = True; /*XXX*/
+ break;
+#endif
+
default:
return GLX_BAD_ATTRIBUTE;
}
{
XMesaVisual v = (XMesaVisual) config;
XMesaBuffer b;
-
- (void) dpy;
- (void) config;
- (void) pixmap;
- (void) attribList; /* Ignored in GLX 1.3 */
+ const int *attr;
+ int target = 0, format = 0, mipmap = 0;
+ int value;
if (!dpy || !config || !pixmap)
return 0;
- b = XMesaCreatePixmapBuffer( v, pixmap, 0 );
+ for (attr = attribList; attr && *attr; attr++) {
+ switch (*attr) {
+ case GLX_TEXTURE_FORMAT_EXT:
+ attr++;
+ switch (*attr) {
+ case GLX_TEXTURE_FORMAT_NONE_EXT:
+ case GLX_TEXTURE_FORMAT_RGB_EXT:
+ case GLX_TEXTURE_FORMAT_RGBA_EXT:
+ format = *attr;
+ break;
+ default:
+ /* error */
+ return 0;
+ }
+ break;
+ case GLX_TEXTURE_TARGET_EXT:
+ attr++;
+ switch (*attr) {
+ case GLX_TEXTURE_1D_EXT:
+ case GLX_TEXTURE_2D_EXT:
+ case GLX_TEXTURE_RECTANGLE_EXT:
+ target = *attr;
+ break;
+ default:
+ /* error */
+ return 0;
+ }
+ break;
+ case GLX_MIPMAP_TEXTURE_EXT:
+ attr++;
+ if (*attr)
+ mipmap = 1;
+ break;
+ default:
+ /* error */
+ return 0;
+ }
+ }
+
+ if (format == GLX_TEXTURE_FORMAT_RGB_EXT) {
+ if (get_config(v, GLX_BIND_TO_TEXTURE_RGB_EXT,
+ &value, GL_TRUE) != Success
+ || !value) {
+ return 0; /* error! */
+ }
+ }
+ else if (format == GLX_TEXTURE_FORMAT_RGBA_EXT) {
+ if (get_config(v, GLX_BIND_TO_TEXTURE_RGBA_EXT,
+ &value, GL_TRUE) != Success
+ || !value) {
+ return 0; /* error! */
+ }
+ }
+ if (mipmap) {
+ if (get_config(v, GLX_BIND_TO_MIPMAP_TEXTURE_EXT,
+ &value, GL_TRUE) != Success
+ || !value) {
+ return 0; /* error! */
+ }
+ }
+ if (target == GLX_TEXTURE_1D_EXT) {
+ if (get_config(v, GLX_BIND_TO_TEXTURE_TARGETS_EXT,
+ &value, GL_TRUE) != Success
+ || (value & GLX_TEXTURE_1D_BIT_EXT) == 0) {
+ return 0; /* error! */
+ }
+ }
+ else if (target == GLX_TEXTURE_2D_EXT) {
+ if (get_config(v, GLX_BIND_TO_TEXTURE_TARGETS_EXT,
+ &value, GL_TRUE) != Success
+ || (value & GLX_TEXTURE_2D_BIT_EXT) == 0) {
+ return 0; /* error! */
+ }
+ }
+ if (target == GLX_TEXTURE_RECTANGLE_EXT) {
+ if (get_config(v, GLX_BIND_TO_TEXTURE_TARGETS_EXT,
+ &value, GL_TRUE) != Success
+ || (value & GLX_TEXTURE_RECTANGLE_BIT_EXT) == 0) {
+ return 0; /* error! */
+ }
+ }
+
+ if (format || target || mipmap) {
+ /* texture from pixmap */
+ b = XMesaCreatePixmapTextureBuffer(v, pixmap, 0, format, target, mipmap);
+ }
+ else {
+ b = XMesaCreatePixmapBuffer( v, pixmap, 0 );
+ }
if (!b) {
return 0;
}
break;
case GLX_PRESERVED_CONTENTS:
attrib++;
- preserveContents = *attrib; /* ignored */
+ preserveContents = *attrib;
break;
case GLX_LARGEST_PBUFFER:
attrib++;
- useLargest = *attrib; /* ignored */
+ useLargest = *attrib;
break;
default:
return 0;
}
}
- /* not used at this time */
- (void) useLargest;
- (void) preserveContents;
-
if (width == 0 || height == 0)
return 0;
+ if (width > MAX_WIDTH || height > MAX_HEIGHT) {
+ /* If allocation would have failed and GLX_LARGEST_PBUFFER is set,
+ * allocate the largest possible buffer.
+ */
+ if (useLargest) {
+ width = MAX_WIDTH;
+ height = MAX_HEIGHT;
+ }
+ }
+
xmbuf = XMesaCreatePBuffer( xmvis, 0, width, height);
/* A GLXPbuffer handle must be an X Drawable because that's what
* glXMakeCurrent takes.
*/
- if (xmbuf)
+ if (xmbuf) {
+ xmbuf->largestPbuffer = useLargest;
+ xmbuf->preservedContents = preserveContents;
return (GLXPbuffer) xmbuf->frontxrb->pixmap;
- else
+ }
+ else {
return 0;
+ }
}
if (!xmbuf)
return;
+ /* make sure buffer's dimensions are up to date */
+ xmesa_check_and_update_buffer_size(NULL, xmbuf);
+
switch (attribute) {
case GLX_WIDTH:
*value = xmbuf->mesa_buffer.Width;
*value = xmbuf->mesa_buffer.Height;
break;
case GLX_PRESERVED_CONTENTS:
- *value = True;
+ *value = xmbuf->preservedContents;
break;
case GLX_LARGEST_PBUFFER:
- *value = xmbuf->mesa_buffer.Width * xmbuf->mesa_buffer.Height;
+ *value = xmbuf->largestPbuffer;
break;
case GLX_FBCONFIG_ID:
*value = xmbuf->xm_visual->visinfo->visualid;
return;
+#ifdef GLX_EXT_texture_from_pixmap
+ case GLX_TEXTURE_FORMAT_EXT:
+ *value = xmbuf->TextureFormat;
+ break;
+ case GLX_TEXTURE_TARGET_EXT:
+ *value = xmbuf->TextureTarget;
+ break;
+ case GLX_MIPMAP_TEXTURE_EXT:
+ *value = xmbuf->TextureMipmap;
+ break;
+#endif
+
default:
- return; /* GLX_BAD_ATTRIBUTE? */
+ return; /* raise BadValue error */
}
}
return NULL;
}
- glxCtx->xmesaContext->direct = GL_FALSE;
- glxCtx->glxContext.isDirect = GL_FALSE;
- glxCtx->glxContext.currentDpy = dpy;
- glxCtx->glxContext.xid = (XID) glxCtx; /* self pointer */
-
- assert((void *) glxCtx == (void *) &(glxCtx->glxContext));
+ init_glx_context(glxCtx, dpy);
return (GLXContext) glxCtx;
}
break;
case GLX_RENDER_TYPE:
if (xmctx->xm_visual->mesa_visual.rgbMode)
- *value = GLX_RGBA_BIT;
+ *value = GLX_RGBA_TYPE;
else
- *value = GLX_COLOR_INDEX_BIT;
+ *value = GLX_COLOR_INDEX_TYPE;
break;
case GLX_SCREEN:
*value = 0;
return NULL;
}
- glxCtx->xmesaContext->direct = GL_FALSE;
- glxCtx->glxContext.isDirect = GL_FALSE;
- glxCtx->glxContext.currentDpy = dpy;
- glxCtx->glxContext.xid = (XID) glxCtx; /* self pointer */
-
- assert((void *) glxCtx == (void *) &(glxCtx->glxContext));
+ init_glx_context(glxCtx, dpy);
return (GLXContext) glxCtx;
}
switch (attribute) {
case GLX_PRESERVED_CONTENTS_SGIX:
- *value = True;
+ *value = xmbuf->preservedContents;
break;
case GLX_LARGEST_PBUFFER_SGIX:
- *value = xmbuf->mesa_buffer.Width * xmbuf->mesa_buffer.Height;
+ *value = xmbuf->largestPbuffer;
break;
case GLX_WIDTH_SGIX:
*value = xmbuf->mesa_buffer.Width;
}
+/*** GLX_EXT_texture_from_pixmap ***/
+
+static void
+Fake_glXBindTexImageEXT(Display *dpy, GLXDrawable drawable, int buffer,
+ const int *attrib_list)
+{
+ XMesaBuffer b = XMesaFindBuffer(dpy, drawable);
+ if (b)
+ XMesaBindTexImage(dpy, b, buffer, attrib_list);
+}
+
+static void
+Fake_glXReleaseTexImageEXT(Display *dpy, GLXDrawable drawable, int buffer)
+{
+ XMesaBuffer b = XMesaFindBuffer(dpy, drawable);
+ if (b)
+ XMesaReleaseTexImage(dpy, b, buffer);
+}
+
+
/* silence warning */
extern struct _glxapi_table *_mesa_GetGLXDispatchTable(void);
/*** GLX_MESA_agp_offset ***/
glx.GetAGPOffsetMESA = Fake_glXGetAGPOffsetMESA;
+ /*** GLX_EXT_texture_from_pixmap ***/
+ glx.BindTexImageEXT = Fake_glXBindTexImageEXT;
+ glx.ReleaseTexImageEXT = Fake_glXReleaseTexImageEXT;
+
return &glx;
}