/*
* Mesa 3-D graphics library
- * Version: 7.5
*
* Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
* Copyright (C) 2009 VMware, Inc. All Rights Reserved.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
*/
*/
-
+#include <string.h>
+#include <stdio.h>
#include "glxheader.h"
#include "glxapi.h"
#include "main/context.h"
#include "main/version.h"
#include "xfonts.h"
#include "xmesaP.h"
-
-#ifdef __VMS
-#define sprintf sprintf
-#endif
+#include "util/u_math.h"
/* This indicates the client-side GLX API and GLX encoder version. */
#define CLIENT_MAJOR_VERSION 1
#define SERVER_MINOR_VERSION 4
/* This is appended onto the glXGetClient/ServerString version strings. */
-#define MESA_GLX_VERSION "Mesa " MESA_VERSION_STRING
+#define MESA_GLX_VERSION "Mesa " PACKAGE_VERSION
/* Who implemented this GLX? */
#define VENDOR "Brian Paul"
"GLX_MESA_copy_sub_buffer " \
"GLX_MESA_pixmap_colormap " \
"GLX_MESA_release_buffers " \
+ "GLX_ARB_create_context " \
"GLX_ARB_get_proc_address " \
"GLX_EXT_texture_from_pixmap " \
"GLX_EXT_visual_info " \
"GLX_SGIX_fbconfig " \
"GLX_SGIX_pbuffer "
-/*
- * Our fake GLX context will contain a "real" GLX context and an XMesa context.
- *
- * Note that a pointer to a __GLXcontext is a pointer to a fake_glx_context,
- * and vice versa.
- *
- * We really just need this structure in order to make the libGL functions
- * glXGetCurrentContext(), glXGetCurrentDrawable() and glXGetCurrentDisplay()
- * work correctly.
- */
-struct fake_glx_context {
- __GLXcontext glxContext; /* this MUST be first! */
- XMesaContext xmesaContext;
-};
-
/**********************************************************************/
if (status != Success || actualType != overlayVisualsAtom ||
actualFormat != 32 || sizeData < 4) {
/* something went wrong */
- XFree((void *) ovInfo);
+ free((void *) ovInfo);
*numOverlays = 0;
return NULL;
}
/* found the visual */
if (/*ov->transparent_type==1 &&*/ ov->layer!=0) {
int level = ov->layer;
- XFree((void *) overlay_info);
+ free((void *) overlay_info);
return level;
}
else {
- XFree((void *) overlay_info);
+ free((void *) overlay_info);
return 0;
}
}
}
/* The visual ID was not found in the overlay list. */
- XFree((void *) overlay_info);
+ free((void *) overlay_info);
return 0;
}
GLboolean ximageFlag = GL_TRUE;
XMesaVisual xmvis;
GLint i;
- GLboolean comparePointers;
if (dbFlag) {
/* Check if the MESA_BACK_BUFFER env var is set */
- char *backbuffer = _mesa_getenv("MESA_BACK_BUFFER");
+ char *backbuffer = getenv("MESA_BACK_BUFFER");
if (backbuffer) {
if (backbuffer[0]=='p' || backbuffer[0]=='P') {
ximageFlag = GL_FALSE;
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"))
- comparePointers = GL_TRUE;
- else
- comparePointers = GL_FALSE;
/* Force the visual to have an alpha channel */
- if (_mesa_getenv("MESA_GLX_FORCE_ALPHA"))
+ if (getenv("MESA_GLX_FORCE_ALPHA"))
alphaFlag = GL_TRUE;
/* First check if a matching visual is already in the list */
&& (v->mesa_visual.accumGreenBits >= accumGreenSize || accumGreenSize == 0)
&& (v->mesa_visual.accumBlueBits >= accumBlueSize || accumBlueSize == 0)
&& (v->mesa_visual.accumAlphaBits >= accumAlphaSize || accumAlphaSize == 0)) {
- /* now either compare XVisualInfo pointers or visual IDs */
- if ((!comparePointers && v->visinfo->visualid == vinfo->visualid)
- || (comparePointers && v->vishandle == vinfo)) {
+ /* now compare visual IDs */
+ if (v->visinfo->visualid == vinfo->visualid) {
return v;
}
}
accumBlueSize, accumAlphaSize, 0, level,
GLX_NONE_EXT );
if (xmvis) {
- /* Save a copy of the pointer now so we can find this visual again
- * if we need to search for it in find_glx_visual().
- */
- xmvis->vishandle = vinfo;
/* Allocate more space for additional visual */
- VisualTable = (XMesaVisual *) _mesa_realloc( VisualTable,
- sizeof(XMesaVisual) * NumVisuals,
- sizeof(XMesaVisual) * (NumVisuals + 1));
+ VisualTable = realloc(VisualTable, sizeof(XMesaVisual) * (NumVisuals + 1));
/* add xmvis to the list */
VisualTable[NumVisuals] = xmvis;
NumVisuals++;
default_depth_bits(void)
{
int zBits;
- const char *zEnv = _mesa_getenv("MESA_GLX_DEPTH_BITS");
+ const char *zEnv = getenv("MESA_GLX_DEPTH_BITS");
if (zEnv)
zBits = atoi(zEnv);
else
default_alpha_bits(void)
{
int aBits;
- const char *aEnv = _mesa_getenv("MESA_GLX_ALPHA_BITS");
+ const char *aEnv = getenv("MESA_GLX_ALPHA_BITS");
if (aEnv)
aBits = atoi(aEnv);
else
GL_TRUE, /* double */
GL_FALSE, /* stereo */
zBits,
- STENCIL_BITS,
+ 8, /* stencil bits */
accBits, /* r */
accBits, /* g */
accBits, /* b */
}
}
- /* if that fails, try to match pointers */
- for (i=0;i<NumVisuals;i++) {
- if (VisualTable[i]->display==dpy && VisualTable[i]->vishandle==vinfo) {
- return VisualTable[i];
- }
- }
-
return NULL;
}
/* found it! */
if (ov->transparent_type == 0) {
/* type 0 indicates no transparency */
- XFree((void *) overlay_info);
+ free((void *) overlay_info);
return -1;
}
else {
/* ov->value is the transparent pixel */
- XFree((void *) overlay_info);
+ free((void *) overlay_info);
return ov->value;
}
}
}
/* The visual ID was not found in the overlay list. */
- XFree((void *) overlay_info);
+ free((void *) overlay_info);
return -1;
}
* 10 bits per color channel. Mesa's limited to a max of 8 bits/channel.
*/
if (vis && depth > 24 && (xclass==TrueColor || xclass==DirectColor)) {
- if (_mesa_bitcount((GLuint) vis->red_mask ) <= 8 &&
- _mesa_bitcount((GLuint) vis->green_mask) <= 8 &&
- _mesa_bitcount((GLuint) vis->blue_mask ) <= 8) {
+ if (util_bitcount((GLuint) vis->red_mask ) <= 8 &&
+ util_bitcount((GLuint) vis->green_mask) <= 8 &&
+ util_bitcount((GLuint) vis->blue_mask ) <= 8) {
return vis;
}
else {
- XFree((void *) vis);
+ free((void *) vis);
return NULL;
}
}
int depth, xclass = -1;
XVisualInfo *vis;
- if (!_mesa_getenv( varname )) {
+ if (!getenv( varname )) {
return NULL;
}
- strncpy( value, _mesa_getenv(varname), 100 );
+ strncpy( value, getenv(varname), 100 );
value[99] = 0;
sscanf( value, "%s %d", type, &depth );
vislist = XGetVisualInfo( dpy, VisualIDMask | VisualScreenMask,
&vistemplate, &count );
+ if (!vislist) {
+ /* no matches */
+ continue;
+ }
+
if (count!=1) {
/* something went wrong */
+ free(vislist);
continue;
}
if (preferred_class!=DONT_CARE && preferred_class!=vislist->CLASS) {
/* wrong visual class */
+ free(vislist);
continue;
}
/* Color-index rendering is not supported. Make sure we have True/DirectColor */
- if (vislist->CLASS != TrueColor && vislist->CLASS != DirectColor)
+ if (vislist->CLASS != TrueColor && vislist->CLASS != DirectColor) {
+ free(vislist);
continue;
+ }
- if (deepvis==NULL || vislist->depth > deepest) {
- /* YES! found a satisfactory visual */
- if (deepvis) {
- XFree( deepvis );
- }
- deepest = vislist->depth;
- deepvis = vislist;
- /* DEBUG tt = ov->transparent_type;*/
- /* DEBUG tv = ov->value; */
+ if (deepvis!=NULL && vislist->depth <= deepest) {
+ free(vislist);
+ continue;
}
+
+ /* YES! found a satisfactory visual */
+ free(deepvis);
+ deepest = vislist->depth;
+ deepvis = vislist;
+ /* DEBUG tt = ov->transparent_type;*/
+ /* DEBUG tv = ov->value; */
}
/*DEBUG
if (VisualTable[i]->display == dpy) {
/* remove this visual */
int j;
- free(VisualTable[i]);
+ XMesaDestroyVisual(VisualTable[i]);
for (j = i; j < NumVisuals - 1; j++)
VisualTable[j] = VisualTable[j + 1];
NumVisuals--;
ext = dpy->ext_procs; /* new extension is at head of list */
assert(c->extension == ext->codes.extension);
(void) c; /* silence warning */
- ext->name = _mesa_strdup(extName);
+ ext->name = strdup(extName);
ext->close_display = close_display_callback;
}
}
while (*parselist) {
+ if (fbConfig &&
+ parselist[1] == GLX_DONT_CARE &&
+ parselist[0] != GLX_LEVEL) {
+ /* For glXChooseFBConfig(), skip attributes whose value is
+ * GLX_DONT_CARE (-1), unless it's GLX_LEVEL (which can legitimately be
+ * a negative value).
+ *
+ * From page 17 (23 of the pdf) of the GLX 1.4 spec:
+ * GLX DONT CARE may be specified for all attributes except GLX LEVEL.
+ */
+ parselist += 2;
+ continue;
+ }
+
switch (*parselist) {
case GLX_USE_GL:
if (fbConfig) {
else if (*parselist & GLX_COLOR_INDEX_BIT) {
rgb_flag = GL_FALSE;
}
+ else if (*parselist & (GLX_RGBA_FLOAT_BIT_ARB|GLX_RGBA_UNSIGNED_FLOAT_BIT_EXT)) {
+ rgb_flag = GL_TRUE;
+ }
else if (*parselist == 0) {
rgb_flag = GL_TRUE;
}
parselist++;
break;
case GLX_FBCONFIG_ID:
+ case GLX_VISUAL_ID:
if (!fbConfig)
return NULL;
parselist++;
desiredVisualID = *parselist++;
break;
case GLX_X_RENDERABLE:
+ case GLX_MAX_PBUFFER_WIDTH:
+ case GLX_MAX_PBUFFER_HEIGHT:
+ case GLX_MAX_PBUFFER_PIXELS:
if (!fbConfig)
return NULL;
parselist += 2;
/* ignore */
break;
-#ifdef GLX_EXT_texture_from_pixmap
case GLX_BIND_TO_TEXTURE_RGB_EXT:
parselist++; /*skip*/
break;
case GLX_Y_INVERTED_EXT:
parselist++; /*skip*/
break;
-#endif
case None:
/* end of list */
return NULL;
(void) caveat;
+ (void) min_ci;
/*
* Since we're only simulating the GLX extension this function will never
if (vis->depth <= 8)
return NULL;
depth_size = default_depth_bits();
- stencil_size = STENCIL_BITS;
+ stencil_size = 8;
/* XXX accum??? */
}
}
/* we only support one size of stencil and accum buffers. */
if (stencil_size > 0)
- stencil_size = STENCIL_BITS;
+ stencil_size = 8;
if (accumRedSize > 0 || accumGreenSize > 0 || accumBlueSize > 0 ||
accumAlphaSize > 0) {
accumRedSize =
stereo_flag, depth_size, stencil_size,
accumRedSize, accumGreenSize,
accumBlueSize, accumAlphaSize, level, numAux );
+ free(vis);
}
return xmvis;
xmvis = choose_visual(dpy, screen, list, GL_FALSE);
if (xmvis) {
-#if 0
- return xmvis->vishandle;
-#else
- /* create a new vishandle - the cached one may be stale */
- xmvis->vishandle = (XVisualInfo *) malloc(sizeof(XVisualInfo));
- if (xmvis->vishandle) {
- memcpy(xmvis->vishandle, xmvis->visinfo, sizeof(XVisualInfo));
+ XVisualInfo* visinfo = malloc(sizeof(XVisualInfo));
+ if (visinfo) {
+ memcpy(visinfo, xmvis->visinfo, sizeof(XVisualInfo));
}
- return xmvis->vishandle;
-#endif
+ return visinfo;
}
else
return NULL;
}
-/**
- * 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 )
{
XMesaVisual xmvis;
- struct fake_glx_context *glxCtx;
- struct fake_glx_context *shareCtx = (struct fake_glx_context *) share_list;
+ XMesaContext xmesaCtx;
if (!dpy || !visinfo)
return 0;
- glxCtx = CALLOC_STRUCT(fake_glx_context);
- if (!glxCtx)
- return 0;
-
/* deallocate unused windows/buffers */
#if 0
XMesaGarbageCollect(dpy);
/* This visual wasn't found with glXChooseVisual() */
xmvis = create_glx_visual( dpy, visinfo );
if (!xmvis) {
- /* unusable visual */
- free(glxCtx);
return NULL;
}
}
- glxCtx->xmesaContext = XMesaCreateContext(xmvis,
- shareCtx ? shareCtx->xmesaContext : NULL);
- if (!glxCtx->xmesaContext) {
- free(glxCtx);
- return NULL;
- }
-
- init_glx_context(glxCtx, dpy);
+ xmesaCtx = XMesaCreateContext(xmvis, (XMesaContext) share_list);
- return (GLXContext) glxCtx;
+ return (GLXContext) xmesaCtx;
}
Fake_glXMakeContextCurrent( Display *dpy, GLXDrawable draw,
GLXDrawable read, GLXContext ctx )
{
- struct fake_glx_context *glxCtx = (struct fake_glx_context *) ctx;
-
if (ctx && draw && read) {
XMesaBuffer drawBuffer, readBuffer;
- XMesaContext xmctx = glxCtx->xmesaContext;
+ XMesaContext xmctx = (XMesaContext) ctx;
/* Find the XMesaBuffer which corresponds to the GLXDrawable 'draw' */
if (ctx == MakeCurrent_PrevContext
/* Out of memory, or context/drawable depth mismatch */
return False;
}
-#ifdef FX
- FXcreateContext( xmctx->xm_visual, draw, xmctx, drawBuffer );
-#endif
}
/* Find the XMesaBuffer which corresponds to the GLXDrawable 'read' */
/* Out of memory, or context/drawable depth mismatch */
return False;
}
-#ifdef FX
- FXcreateContext( xmctx->xm_visual, read, xmctx, readBuffer );
-#endif
}
MakeCurrent_PrevContext = ctx;
MakeCurrent_PrevReadBuffer = readBuffer;
/* Now make current! */
- if (XMesaMakeCurrent2(xmctx, drawBuffer, readBuffer)) {
- ((__GLXcontext *) ctx)->currentDpy = dpy;
- ((__GLXcontext *) ctx)->currentDrawable = draw;
- ((__GLXcontext *) ctx)->currentReadable = read;
- return True;
- }
- else {
- return False;
- }
+ return XMesaMakeCurrent2(xmctx, drawBuffer, readBuffer);
}
else if (!ctx && !draw && !read) {
/* release current context w/out assigning new one. */
if (b) {
XMesaDestroyBuffer(b);
}
- else if (_mesa_getenv("MESA_DEBUG")) {
+ else if (getenv("MESA_DEBUG")) {
_mesa_warning(NULL, "Mesa: glXDestroyGLXPixmap: invalid pixmap\n");
}
}
Fake_glXCopyContext( Display *dpy, GLXContext src, GLXContext dst,
unsigned long mask )
{
- struct fake_glx_context *fakeSrc = (struct fake_glx_context *) src;
- struct fake_glx_context *fakeDst = (struct fake_glx_context *) dst;
- XMesaContext xm_src = fakeSrc->xmesaContext;
- XMesaContext xm_dst = fakeDst->xmesaContext;
+ XMesaContext xmSrc = (XMesaContext) src;
+ XMesaContext xmDst = (XMesaContext) dst;
(void) dpy;
if (MakeCurrent_PrevContext == src) {
_mesa_Flush();
}
- _mesa_copy_context( &(xm_src->mesa), &(xm_dst->mesa), (GLuint) mask );
+ _mesa_copy_context( &xmSrc->mesa, &xmDst->mesa, (GLuint) mask );
}
static void
Fake_glXDestroyContext( Display *dpy, GLXContext ctx )
{
- struct fake_glx_context *glxCtx = (struct fake_glx_context *) ctx;
- (void) dpy;
- MakeCurrent_PrevContext = 0;
- MakeCurrent_PrevDrawable = 0;
- MakeCurrent_PrevReadable = 0;
- MakeCurrent_PrevDrawBuffer = 0;
- MakeCurrent_PrevReadBuffer = 0;
- XMesaDestroyContext( glxCtx->xmesaContext );
- XMesaGarbageCollect(dpy);
- free(glxCtx);
+ if (ctx) {
+ (void) dpy;
+ MakeCurrent_PrevContext = 0;
+ MakeCurrent_PrevDrawable = 0;
+ MakeCurrent_PrevReadable = 0;
+ MakeCurrent_PrevDrawBuffer = 0;
+ MakeCurrent_PrevReadBuffer = 0;
+ XMesaDestroyContext((XMesaContext) ctx);
+ XMesaGarbageCollect(dpy);
+ }
}
static Bool
Fake_glXIsDirect( Display *dpy, GLXContext ctx )
{
- struct fake_glx_context *glxCtx = (struct fake_glx_context *) ctx;
- (void) dpy;
- return glxCtx->xmesaContext->direct;
+ XMesaContext xmCtx = (XMesaContext) ctx;
+ return xmCtx ? xmCtx->direct : False;
}
if (buffer) {
XMesaSwapBuffers(buffer);
}
- else if (_mesa_getenv("MESA_DEBUG")) {
+ else if (getenv("MESA_DEBUG")) {
_mesa_warning(NULL, "glXSwapBuffers: invalid drawable 0x%x\n",
(int) drawable);
}
if (buffer) {
XMesaCopySubBuffer(buffer, x, y, width, height);
}
- else if (_mesa_getenv("MESA_DEBUG")) {
+ else if (getenv("MESA_DEBUG")) {
_mesa_warning(NULL, "Mesa: glXCopySubBufferMESA: invalid drawable\n");
}
}
static int
get_config( XMesaVisual xmvis, int attrib, int *value, GLboolean fbconfig )
{
- ASSERT(xmvis);
+ assert(xmvis);
switch(attrib) {
case GLX_USE_GL:
if (fbconfig)
case GLX_RENDER_TYPE_SGIX:
if (!fbconfig)
return GLX_BAD_ATTRIBUTE;
- if (xmvis->mesa_visual.rgbMode)
+ if (xmvis->mesa_visual.floatMode)
+ *value = GLX_RGBA_FLOAT_BIT_ARB;
+ else if (xmvis->mesa_visual.rgbMode)
*value = GLX_RGBA_BIT;
else
*value = GLX_COLOR_INDEX_BIT;
case GLX_MAX_PBUFFER_WIDTH:
if (!fbconfig)
return GLX_BAD_ATTRIBUTE;
- /* XXX or MAX_WIDTH? */
+ /* XXX should be same as ctx->Const.MaxRenderbufferSize */
*value = DisplayWidth(xmvis->display, xmvis->visinfo->screen);
break;
case GLX_MAX_PBUFFER_HEIGHT:
*value = xmvis->visinfo->visualid;
break;
-#ifdef GLX_EXT_texture_from_pixmap
case GLX_BIND_TO_TEXTURE_RGB_EXT:
*value = True; /*XXX*/
break;
case GLX_Y_INVERTED_EXT:
*value = True; /*XXX*/
break;
-#endif
default:
return GLX_BAD_ATTRIBUTE;
}
+static GLXContext
+Fake_glXGetCurrentContext(void)
+{
+ XMesaContext xmesa = XMesaGetCurrentContext();
+ return (GLXContext) xmesa;
+}
+
static void
Fake_glXWaitGL( void )
{
static const char *
get_extensions( void )
{
-#ifdef FX
- const char *fx = _mesa_getenv("MESA_GLX_FX");
- if (fx && fx[0] != 'd') {
- return EXTENSIONS;
- }
-#endif
return EXTENSIONS + 23; /* skip "GLX_MESA_set_3dfx_mode" */
}
visuals = XGetVisualInfo(dpy, visMask, &visTemplate, nelements);
if (*nelements > 0) {
XMesaVisual *results;
- results = (XMesaVisual *) malloc(*nelements * sizeof(XMesaVisual));
+ results = malloc(*nelements * sizeof(XMesaVisual));
if (!results) {
*nelements = 0;
return NULL;
for (i = 0; i < *nelements; i++) {
results[i] = create_glx_visual(dpy, visuals + i);
}
+ free(visuals);
return (GLXFBConfig *) results;
}
return NULL;
{
XMesaVisual xmvis;
+ /* register ourselves as an extension on this display */
+ register_with_display(dpy);
+
if (!attribList || !attribList[0]) {
/* return list of all configs (per GLX_SGIX_fbconfig spec) */
return Fake_glXGetFBConfigs(dpy, screen, nitems);
xmvis = choose_visual(dpy, screen, attribList, GL_TRUE);
if (xmvis) {
- GLXFBConfig *config = (GLXFBConfig *) malloc(sizeof(XMesaVisual));
+ GLXFBConfig *config = malloc(sizeof(XMesaVisual));
if (!config) {
*nitems = 0;
return NULL;
{
if (dpy && config) {
XMesaVisual xmvis = (XMesaVisual) config;
-#if 0
- return xmvis->vishandle;
-#else
- /* create a new vishandle - the cached one may be stale */
- xmvis->vishandle = (XVisualInfo *) malloc(sizeof(XVisualInfo));
- if (xmvis->vishandle) {
- memcpy(xmvis->vishandle, xmvis->visinfo, sizeof(XVisualInfo));
+ XVisualInfo* visinfo = malloc(sizeof(XVisualInfo));
+ if (visinfo) {
+ memcpy(visinfo, xmvis->visinfo, sizeof(XVisualInfo));
}
- return xmvis->vishandle;
-#endif
+ return visinfo;
}
else {
return NULL;
if (!xmbuf)
return 0;
-#ifdef FX
- /* XXX this will segfault if actually called */
- FXcreateContext(xmvis, win, NULL, xmbuf);
-#endif
-
(void) dpy;
(void) attribList; /* Ignored in GLX 1.3 */
if (width == 0 || height == 0)
return 0;
- if (width > MAX_WIDTH || height > MAX_HEIGHT) {
+ if (width > SWRAST_MAX_WIDTH || height > SWRAST_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;
+ width = SWRAST_MAX_WIDTH;
+ height = SWRAST_MAX_HEIGHT;
}
}
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_MIPMAP_TEXTURE_EXT:
*value = xmbuf->TextureMipmap;
break;
-#endif
default:
return; /* raise BadValue error */
Fake_glXCreateNewContext( Display *dpy, GLXFBConfig config,
int renderType, GLXContext shareList, Bool direct )
{
- struct fake_glx_context *glxCtx;
- struct fake_glx_context *shareCtx = (struct fake_glx_context *) shareList;
+ XMesaContext xmCtx;
XMesaVisual xmvis = (XMesaVisual) config;
if (!dpy || !config ||
- (renderType != GLX_RGBA_TYPE && renderType != GLX_COLOR_INDEX_TYPE))
- return 0;
-
- glxCtx = CALLOC_STRUCT(fake_glx_context);
- if (!glxCtx)
+ (renderType != GLX_RGBA_TYPE &&
+ renderType != GLX_COLOR_INDEX_TYPE &&
+ renderType != GLX_RGBA_FLOAT_TYPE_ARB &&
+ renderType != GLX_RGBA_UNSIGNED_FLOAT_TYPE_EXT))
return 0;
/* deallocate unused windows/buffers */
XMesaGarbageCollect(dpy);
- glxCtx->xmesaContext = XMesaCreateContext(xmvis,
- shareCtx ? shareCtx->xmesaContext : NULL);
- if (!glxCtx->xmesaContext) {
- free(glxCtx);
- return NULL;
- }
+ xmCtx = XMesaCreateContext(xmvis, (XMesaContext) shareList);
- init_glx_context(glxCtx, dpy);
-
- return (GLXContext) glxCtx;
+ return (GLXContext) xmCtx;
}
static int
Fake_glXQueryContext( Display *dpy, GLXContext ctx, int attribute, int *value )
{
- struct fake_glx_context *glxCtx = (struct fake_glx_context *) ctx;
- XMesaContext xmctx = glxCtx->xmesaContext;
-
+ XMesaContext xmctx = (XMesaContext) ctx;
(void) dpy;
(void) ctx;
static GLXContext
Fake_glXCreateContextWithConfigSGIX(Display *dpy, GLXFBConfigSGIX config, int render_type, GLXContext share_list, Bool direct)
{
+ XMesaContext xmCtx;
XMesaVisual xmvis = (XMesaVisual) config;
- struct fake_glx_context *glxCtx;
- struct fake_glx_context *shareCtx = (struct fake_glx_context *) share_list;
-
- glxCtx = CALLOC_STRUCT(fake_glx_context);
- if (!glxCtx)
- return 0;
/* deallocate unused windows/buffers */
XMesaGarbageCollect(dpy);
- glxCtx->xmesaContext = XMesaCreateContext(xmvis,
- shareCtx ? shareCtx->xmesaContext : NULL);
- if (!glxCtx->xmesaContext) {
- free(glxCtx);
- return NULL;
- }
-
- init_glx_context(glxCtx, dpy);
+ xmCtx = XMesaCreateContext(xmvis, (XMesaContext) share_list);
- return (GLXContext) glxCtx;
+ return (GLXContext) xmCtx;
}
}
-static int
+static void
Fake_glXQueryGLXPbufferSGIX(Display *dpy, GLXPbufferSGIX pbuf, int attribute, unsigned int *value)
{
const XMesaBuffer xmbuf = XMesaFindBuffer(dpy, pbuf);
if (!xmbuf) {
/* Generate GLXBadPbufferSGIX for bad pbuffer */
- return 0;
+ return;
}
switch (attribute) {
default:
*value = 0;
}
- return 0;
}
#endif
-/*** GLX_SGIX_swap_group ***/
-
-static void
-Fake_glXJoinSwapGroupSGIX(Display *dpy, GLXDrawable drawable, GLXDrawable member)
-{
- (void) dpy;
- (void) drawable;
- (void) member;
-}
-
-
-
-/*** GLX_SGIX_swap_barrier ***/
-
-static void
-Fake_glXBindSwapBarrierSGIX(Display *dpy, GLXDrawable drawable, int barrier)
-{
- (void) dpy;
- (void) drawable;
- (void) barrier;
-}
-
-static Bool
-Fake_glXQueryMaxSwapBarriersSGIX(Display *dpy, int screen, int *max)
-{
- (void) dpy;
- (void) screen;
- (void) max;
- return False;
-}
-
-
-
/*** GLX_SUN_get_transparent_index ***/
static Status
-Fake_glXGetTransparentIndexSUN(Display *dpy, Window overlay, Window underlay, long *pTransparent)
+Fake_glXGetTransparentIndexSUN(Display *dpy, Window overlay, Window underlay, unsigned long *pTransparent)
{
(void) dpy;
(void) overlay;
-/*** GLX_MESA_set_3dfx_mode ***/
-
-static Bool
-Fake_glXSet3DfxModeMESA( int mode )
-{
- return XMesaSetFXmode( mode );
-}
-
-
-
-/*** GLX_NV_vertex_array range ***/
-static void *
-Fake_glXAllocateMemoryNV( GLsizei size,
- GLfloat readFrequency,
- GLfloat writeFrequency,
- GLfloat priority )
-{
- (void) size;
- (void) readFrequency;
- (void) writeFrequency;
- (void) priority;
- return NULL;
-}
-
-
-static void
-Fake_glXFreeMemoryNV( GLvoid *pointer )
-{
- (void) pointer;
-}
-
-
-/*** GLX_MESA_agp_offset ***/
-
-static GLuint
-Fake_glXGetAGPOffsetMESA( const GLvoid *pointer )
-{
- (void) pointer;
- return ~0;
-}
-
-
/*** GLX_EXT_texture_from_pixmap ***/
static void
}
+static GLXContext
+Fake_glXCreateContextAttribs(Display *dpy, GLXFBConfig config,
+ GLXContext share_context, Bool direct,
+ const int *attrib_list)
+{
+ XMesaContext xmCtx;
+ XMesaVisual xmvis = (XMesaVisual) config;
+ int i;
+ int major = 0, minor = 0, ctxFlags = 0, profileFlags = 0;
+
+ for (i = 0; attrib_list[i]; i += 2) {
+ switch (attrib_list[i]) {
+ case GLX_CONTEXT_MAJOR_VERSION_ARB:
+ major = attrib_list[i + 1];
+ break;
+ case GLX_CONTEXT_MINOR_VERSION_ARB:
+ minor = attrib_list[i + 1];
+ break;
+ case GLX_CONTEXT_FLAGS_ARB:
+ ctxFlags = attrib_list[i + 1];
+ break;
+ case GLX_CONTEXT_PROFILE_MASK_ARB:
+ profileFlags = attrib_list[i + 1];
+ break;
+ default:
+ _mesa_warning(NULL, "Unexpected attribute 0x%x in "
+ "glXCreateContextAttribs()\n", attrib_list[i]);
+ return 0;
+ }
+ }
+
+ if (major * 10 + minor > 21) {
+ /* swrast only supports GL 2.1 and earlier */
+ return 0;
+ }
+
+ /* These are ignored for now. We'd have to enhance XMesaCreateContext
+ * to take these flags and the version, at least.
+ */
+ (void) ctxFlags;
+ (void) profileFlags;
+
+ /* deallocate unused windows/buffers */
+ XMesaGarbageCollect(dpy);
+
+ xmCtx = XMesaCreateContext(xmvis, (XMesaContext) share_context);
+
+ return (GLXContext) xmCtx;
+}
+
+
/* silence warning */
extern struct _glxapi_table *_mesa_GetGLXDispatchTable(void);
glx.DestroyContext = Fake_glXDestroyContext;
glx.DestroyGLXPixmap = Fake_glXDestroyGLXPixmap;
glx.GetConfig = Fake_glXGetConfig;
- /*glx.GetCurrentContext = Fake_glXGetCurrentContext;*/
+ glx.GetCurrentContext = Fake_glXGetCurrentContext;
/*glx.GetCurrentDrawable = Fake_glXGetCurrentDrawable;*/
glx.IsDirect = Fake_glXIsDirect;
glx.MakeCurrent = Fake_glXMakeCurrent;
glx.AssociateDMPbufferSGIX = NULL;
#endif
- /*** GLX_SGIX_swap_group ***/
- glx.JoinSwapGroupSGIX = Fake_glXJoinSwapGroupSGIX;
-
- /*** GLX_SGIX_swap_barrier ***/
- glx.BindSwapBarrierSGIX = Fake_glXBindSwapBarrierSGIX;
- glx.QueryMaxSwapBarriersSGIX = Fake_glXQueryMaxSwapBarriersSGIX;
-
/*** GLX_SUN_get_transparent_index ***/
glx.GetTransparentIndexSUN = Fake_glXGetTransparentIndexSUN;
/*** GLX_MESA_pixmap_colormap ***/
glx.CreateGLXPixmapMESA = Fake_glXCreateGLXPixmapMESA;
- /*** GLX_MESA_set_3dfx_mode ***/
- glx.Set3DfxModeMESA = Fake_glXSet3DfxModeMESA;
-
- /*** GLX_NV_vertex_array_range ***/
- glx.AllocateMemoryNV = Fake_glXAllocateMemoryNV;
- glx.FreeMemoryNV = Fake_glXFreeMemoryNV;
-
- /*** GLX_MESA_agp_offset ***/
- glx.GetAGPOffsetMESA = Fake_glXGetAGPOffsetMESA;
-
/*** GLX_EXT_texture_from_pixmap ***/
glx.BindTexImageEXT = Fake_glXBindTexImageEXT;
glx.ReleaseTexImageEXT = Fake_glXReleaseTexImageEXT;
+ glx.CreateContextAttribs = Fake_glXCreateContextAttribs;
return &glx;
}
projects / mesa.git / blobdiff