xserver pixman mesa git update 7 nov 2011

1 files changed, 256 insertions, 277 deletions

diff --git a/mesalib/src/mesa/drivers/dri/common/dri_util.c b/mesalib/src/mesa/drivers/dri/common/dri_util.c
index da4e39f9c..1640c1448 100644
--- a/mesalib/src/mesa/drivers/dri/common/dri_util.c
+++ b/mesalib/src/mesa/drivers/dri/common/dri_util.c
@@ -15,12 +15,7 @@
  */
 
 
-#include <assert.h>
-#include <stdarg.h>
-#include <stdio.h>
-
-#include "main/imports.h"
-
+#include <xf86drm.h>
 #include "dri_util.h"
 #include "utils.h"
 #include "xmlpool.h"
@@ -35,18 +30,230 @@ PUBLIC const char __dri2ConfigOptions[] =
 
 static const uint __dri2NConfigOptions = 1;
 
-#ifndef GLX_OML_sync_control
-typedef GLboolean ( * PFNGLXGETMSCRATEOMLPROC) (__DRIdrawable *drawable, int32_t *numerator, int32_t *denominator);
-#endif
+/*****************************************************************/
+/** \name Screen handling functions                              */
+/*****************************************************************/
+/*@{*/
+
+static void
+setupLoaderExtensions(__DRIscreen *psp,
+		      const __DRIextension **extensions)
+{
+    int i;
+
+    for (i = 0; extensions[i]; i++) {
+	if (strcmp(extensions[i]->name, __DRI_DRI2_LOADER) == 0)
+	    psp->dri2.loader = (__DRIdri2LoaderExtension *) extensions[i];
+	if (strcmp(extensions[i]->name, __DRI_IMAGE_LOOKUP) == 0)
+	    psp->dri2.image = (__DRIimageLookupExtension *) extensions[i];
+	if (strcmp(extensions[i]->name, __DRI_USE_INVALIDATE) == 0)
+	    psp->dri2.useInvalidate = (__DRIuseInvalidateExtension *) extensions[i];
+    }
+}
+
+static __DRIscreen *
+dri2CreateNewScreen(int scrn, int fd,
+		    const __DRIextension **extensions,
+		    const __DRIconfig ***driver_configs, void *data)
+{
+    static const __DRIextension *emptyExtensionList[] = { NULL };
+    __DRIscreen *psp;
+    drmVersionPtr version;
+
+    psp = calloc(1, sizeof(*psp));
+    if (!psp)
+	return NULL;
+
+    setupLoaderExtensions(psp, extensions);
+
+    version = drmGetVersion(fd);
+    if (version) {
+	psp->drm_version.major = version->version_major;
+	psp->drm_version.minor = version->version_minor;
+	psp->drm_version.patch = version->version_patchlevel;
+	drmFreeVersion(version);
+    }
+
+    psp->loaderPrivate = data;
+
+    psp->extensions = emptyExtensionList;
+    psp->fd = fd;
+    psp->myNum = scrn;
+
+    psp->api_mask = (1 << __DRI_API_OPENGL);
+
+    *driver_configs = driDriverAPI.InitScreen(psp);
+    if (*driver_configs == NULL) {
+	free(psp);
+	return NULL;
+    }
+
+    driParseOptionInfo(&psp->optionInfo, __dri2ConfigOptions, __dri2NConfigOptions);
+    driParseConfigFiles(&psp->optionCache, &psp->optionInfo, psp->myNum, "dri2");
+
+    return psp;
+}
+
+/**
+ * Destroy the per-screen private information.
+ * 
+ * \internal
+ * This function calls __DriverAPIRec::DestroyScreen on \p screenPrivate, calls
+ * drmClose(), and finally frees \p screenPrivate.
+ */
+static void driDestroyScreen(__DRIscreen *psp)
+{
+    if (psp) {
+	/* No interaction with the X-server is possible at this point.  This
+	 * routine is called after XCloseDisplay, so there is no protocol
+	 * stream open to the X-server anymore.
+	 */
+
+       _mesa_destroy_shader_compiler();
+
+	driDriverAPI.DestroyScreen(psp);
+
+	driDestroyOptionCache(&psp->optionCache);
+	driDestroyOptionInfo(&psp->optionInfo);
+
+	free(psp);
+    }
+}
+
+static const __DRIextension **driGetExtensions(__DRIscreen *psp)
+{
+    return psp->extensions;
+}
+
+/*@}*/
+
+
+/*****************************************************************/
+/** \name Context handling functions                             */
+/*****************************************************************/
+/*@{*/
+
+static __DRIcontext *
+dri2CreateNewContextForAPI(__DRIscreen *screen, int api,
+			   const __DRIconfig *config,
+			   __DRIcontext *shared, void *data)
+{
+    __DRIcontext *context;
+    const struct gl_config *modes = (config != NULL) ? &config->modes : NULL;
+    void *shareCtx = (shared != NULL) ? shared->driverPrivate : NULL;
+    gl_api mesa_api;
+
+    if (!(screen->api_mask & (1 << api)))
+	return NULL;
+
+    switch (api) {
+    case __DRI_API_OPENGL:
+	    mesa_api = API_OPENGL;
+	    break;
+    case __DRI_API_GLES:
+	    mesa_api = API_OPENGLES;
+	    break;
+    case __DRI_API_GLES2:
+	    mesa_api = API_OPENGLES2;
+	    break;
+    default:
+	    return NULL;
+    }
+
+    context = malloc(sizeof *context);
+    if (!context)
+	return NULL;
+
+    context->loaderPrivate = data;
+
+    context->driScreenPriv = screen;
+    context->driDrawablePriv = NULL;
+    context->driReadablePriv = NULL;
+
+    if (!driDriverAPI.CreateContext(mesa_api, modes, context, shareCtx) ) {
+        free(context);
+        return NULL;
+    }
+
+    return context;
+}
+
+
+static __DRIcontext *
+dri2CreateNewContext(__DRIscreen *screen, const __DRIconfig *config,
+		      __DRIcontext *shared, void *data)
+{
+    return dri2CreateNewContextForAPI(screen, __DRI_API_OPENGL,
+				      config, shared, data);
+}
+
+/**
+ * Destroy the per-context private information.
+ * 
+ * \internal
+ * This function calls __DriverAPIRec::DestroyContext on \p contextPrivate, calls
+ * drmDestroyContext(), and finally frees \p contextPrivate.
+ */
+static void
+driDestroyContext(__DRIcontext *pcp)
+{
+    if (pcp) {
+	driDriverAPI.DestroyContext(pcp);
+	free(pcp);
+    }
+}
+
+static int
+driCopyContext(__DRIcontext *dest, __DRIcontext *src, unsigned long mask)
+{
+    (void) dest;
+    (void) src;
+    (void) mask;
+    return GL_FALSE;
+}
+
+/*@}*/
 
-static void dri_get_drawable(__DRIdrawable *pdp);
-static void dri_put_drawable(__DRIdrawable *pdp);
 
 /*****************************************************************/
 /** \name Context (un)binding functions                          */
 /*****************************************************************/
 /*@{*/
 
+static void dri_get_drawable(__DRIdrawable *pdp);
+static void dri_put_drawable(__DRIdrawable *pdp);
+
+/**
+ * This function takes both a read buffer and a draw buffer.  This is needed
+ * for \c glXMakeCurrentReadSGI or GLX 1.3's \c glXMakeContextCurrent
+ * function.
+ */
+static int driBindContext(__DRIcontext *pcp,
+			  __DRIdrawable *pdp,
+			  __DRIdrawable *prp)
+{
+    /*
+    ** Assume error checking is done properly in glXMakeCurrent before
+    ** calling driUnbindContext.
+    */
+
+    if (!pcp)
+	return GL_FALSE;
+
+    /* Bind the drawable to the context */
+    pcp->driDrawablePriv = pdp;
+    pcp->driReadablePriv = prp;
+    if (pdp) {
+	pdp->driContextPriv = pcp;
+	dri_get_drawable(pdp);
+    }
+    if (prp && pdp != prp) {
+	dri_get_drawable(prp);
+    }
+
+    return driDriverAPI.MakeCurrent(pcp, pdp, prp);
+}
+
 /**
  * Unbind context.
  * 
@@ -65,7 +272,6 @@ static void dri_put_drawable(__DRIdrawable *pdp);
  */
 static int driUnbindContext(__DRIcontext *pcp)
 {
-    __DRIscreen *psp;
     __DRIdrawable *pdp;
     __DRIdrawable *prp;
 
@@ -75,17 +281,16 @@ static int driUnbindContext(__DRIcontext *pcp)
     */
 
     if (pcp == NULL)
-        return GL_FALSE;
+	return GL_FALSE;
 
-    psp = pcp->driScreenPriv;
     pdp = pcp->driDrawablePriv;
     prp = pcp->driReadablePriv;
 
     /* already unbound */
     if (!pdp && !prp)
-      return GL_TRUE;
-    /* Let driver unbind drawable from context */
-    (*psp->DriverAPI.UnbindContext)(pcp);
+	return GL_TRUE;
+
+    driDriverAPI.UnbindContext(pcp);
 
     assert(pdp);
     if (pdp->refcount == 0) {
@@ -96,63 +301,48 @@ static int driUnbindContext(__DRIcontext *pcp)
     dri_put_drawable(pdp);
 
     if (prp != pdp) {
-        if (prp->refcount == 0) {
+	if (prp->refcount == 0) {
 	    /* ERROR!!! */
 	    return GL_FALSE;
 	}
 
-    	dri_put_drawable(prp);
+	dri_put_drawable(prp);
     }
 
-
     /* XXX this is disabled so that if we call SwapBuffers on an unbound
      * window we can determine the last context bound to the window and
      * use that context's lock. (BrianP, 2-Dec-2000)
      */
-    pcp->driDrawablePriv = pcp->driReadablePriv = NULL;
+    pcp->driDrawablePriv = NULL;
+    pcp->driReadablePriv = NULL;
 
     return GL_TRUE;
 }
 
-/**
- * This function takes both a read buffer and a draw buffer.  This is needed
- * for \c glXMakeCurrentReadSGI or GLX 1.3's \c glXMakeContextCurrent
- * function.
- */
-static int driBindContext(__DRIcontext *pcp,
-			  __DRIdrawable *pdp,
-			  __DRIdrawable *prp)
-{
-    __DRIscreen *psp = NULL;
+/*@}*/
 
-    /*
-    ** Assume error checking is done properly in glXMakeCurrent before
-    ** calling driUnbindContext.
-    */
 
-    if (!pcp)
-	return GL_FALSE;
+static void dri_get_drawable(__DRIdrawable *pdp)
+{
+    pdp->refcount++;
+}
 
-    /* Bind the drawable to the context */
-    psp = pcp->driScreenPriv;
-    pcp->driDrawablePriv = pdp;
-    pcp->driReadablePriv = prp;
+static void dri_put_drawable(__DRIdrawable *pdp)
+{
     if (pdp) {
-	pdp->driContextPriv = pcp;
-	dri_get_drawable(pdp);
-    }
-    if (prp && pdp != prp) {
-	dri_get_drawable(prp);
-    }
+	pdp->refcount--;
+	if (pdp->refcount)
+	    return;
 
-    /* Call device-specific MakeCurrent */
-    return (*psp->DriverAPI.MakeCurrent)(pcp, pdp, prp);
+	driDriverAPI.DestroyBuffer(pdp);
+	free(pdp);
+    }
 }
 
 static __DRIdrawable *
 dri2CreateNewDrawable(__DRIscreen *screen,
 		      const __DRIconfig *config,
-		      void *loaderPrivate)
+		      void *data)
 {
     __DRIdrawable *pdraw;
 
@@ -160,15 +350,18 @@ dri2CreateNewDrawable(__DRIscreen *screen,
     if (!pdraw)
 	return NULL;
 
+    pdraw->loaderPrivate = data;
+
+    pdraw->driScreenPriv = screen;
     pdraw->driContextPriv = NULL;
-    pdraw->loaderPrivate = loaderPrivate;
-    pdraw->refcount = 1;
+    pdraw->refcount = 0;
     pdraw->lastStamp = 0;
     pdraw->w = 0;
     pdraw->h = 0;
-    pdraw->driScreenPriv = screen;
 
-    if (!(*screen->DriverAPI.CreateBuffer)(screen, pdraw, &config->modes, 0)) {
+    dri_get_drawable(pdraw);
+
+    if (!driDriverAPI.CreateBuffer(screen, pdraw, &config->modes, GL_FALSE)) {
        free(pdraw);
        return NULL;
     }
@@ -178,19 +371,25 @@ dri2CreateNewDrawable(__DRIscreen *screen,
     return pdraw;
 }
 
+static void
+driDestroyDrawable(__DRIdrawable *pdp)
+{
+    dri_put_drawable(pdp);
+}
+
 static __DRIbuffer *
 dri2AllocateBuffer(__DRIscreen *screen,
 		   unsigned int attachment, unsigned int format,
 		   int width, int height)
 {
-    return (*screen->DriverAPI.AllocateBuffer)(screen, attachment, format,
-					       width, height);
+    return driDriverAPI.AllocateBuffer(screen, attachment, format,
+				       width, height);
 }
 
 static void
 dri2ReleaseBuffer(__DRIscreen *screen, __DRIbuffer *buffer)
 {
-   (*screen->DriverAPI.ReleaseBuffer)(screen, buffer);
+    driDriverAPI.ReleaseBuffer(screen, buffer);
 }
 
 
@@ -228,232 +427,12 @@ dri2ConfigQueryf(__DRIscreen *screen, const char *var, GLfloat *val)
     return 0;
 }
 
-
-static void dri_get_drawable(__DRIdrawable *pdp)
-{
-    pdp->refcount++;
-}
-	
-static void dri_put_drawable(__DRIdrawable *pdp)
-{
-    __DRIscreen *psp;
-
-    if (pdp) {
-	pdp->refcount--;
-	if (pdp->refcount)
-	    return;
-
-	psp = pdp->driScreenPriv;
-        (*psp->DriverAPI.DestroyBuffer)(pdp);
-	free(pdp);
-    }
-}
-
-static void
-driDestroyDrawable(__DRIdrawable *pdp)
-{
-    dri_put_drawable(pdp);
-}
-
-/*@}*/
-
-
-/*****************************************************************/
-/** \name Context handling functions                             */
-/*****************************************************************/
-/*@{*/
-
-/**
- * Destroy the per-context private information.
- * 
- * \internal
- * This function calls __DriverAPIRec::DestroyContext on \p contextPrivate, calls
- * drmDestroyContext(), and finally frees \p contextPrivate.
- */
-static void
-driDestroyContext(__DRIcontext *pcp)
-{
-    if (pcp) {
-	(*pcp->driScreenPriv->DriverAPI.DestroyContext)(pcp);
-	free(pcp);
-    }
-}
-
 static unsigned int
 dri2GetAPIMask(__DRIscreen *screen)
 {
     return screen->api_mask;
 }
 
-static __DRIcontext *
-dri2CreateNewContextForAPI(__DRIscreen *screen, int api,
-			   const __DRIconfig *config,
-			   __DRIcontext *shared, void *data)
-{
-    __DRIcontext *context;
-    const struct gl_config *modes = (config != NULL) ? &config->modes : NULL;
-    void *shareCtx = (shared != NULL) ? shared->driverPrivate : NULL;
-    gl_api mesa_api;
-
-    if (!(screen->api_mask & (1 << api)))
-	return NULL;
-
-    switch (api) {
-    case __DRI_API_OPENGL:
-	    mesa_api = API_OPENGL;
-	    break;
-    case __DRI_API_GLES:
-	    mesa_api = API_OPENGLES;
-	    break;
-    case __DRI_API_GLES2:
-	    mesa_api = API_OPENGLES2;
-	    break;
-    default:
-	    return NULL;
-    }
-
-    context = malloc(sizeof *context);
-    if (!context)
-	return NULL;
-
-    context->driScreenPriv = screen;
-    context->driDrawablePriv = NULL;
-    context->loaderPrivate = data;
-    
-    if (!(*screen->DriverAPI.CreateContext)(mesa_api, modes,
-					    context, shareCtx) ) {
-        free(context);
-        return NULL;
-    }
-
-    return context;
-}
-
-
-static __DRIcontext *
-dri2CreateNewContext(__DRIscreen *screen, const __DRIconfig *config,
-		      __DRIcontext *shared, void *data)
-{
-   return dri2CreateNewContextForAPI(screen, __DRI_API_OPENGL,
-				     config, shared, data);
-}
-
-static int
-driCopyContext(__DRIcontext *dest, __DRIcontext *src, unsigned long mask)
-{
-    (void) dest;
-    (void) src;
-    (void) mask;
-    return GL_FALSE;
-}
-
-/*@}*/
-
-
-/*****************************************************************/
-/** \name Screen handling functions                              */
-/*****************************************************************/
-/*@{*/
-
-/**
- * Destroy the per-screen private information.
- * 
- * \internal
- * This function calls __DriverAPIRec::DestroyScreen on \p screenPrivate, calls
- * drmClose(), and finally frees \p screenPrivate.
- */
-static void driDestroyScreen(__DRIscreen *psp)
-{
-    if (psp) {
-	/* No interaction with the X-server is possible at this point.  This
-	 * routine is called after XCloseDisplay, so there is no protocol
-	 * stream open to the X-server anymore.
-	 */
-
-       _mesa_destroy_shader_compiler();
-
-	if (psp->DriverAPI.DestroyScreen)
-	    (*psp->DriverAPI.DestroyScreen)(psp);
-
-	driDestroyOptionCache(&psp->optionCache);
-	driDestroyOptionInfo(&psp->optionInfo);
-
-	free(psp);
-    }
-}
-
-static void
-setupLoaderExtensions(__DRIscreen *psp,
-		      const __DRIextension **extensions)
-{
-    int i;
-
-    for (i = 0; extensions[i]; i++) {
-	if (strcmp(extensions[i]->name, __DRI_DRI2_LOADER) == 0)
-	    psp->dri2.loader = (__DRIdri2LoaderExtension *) extensions[i];
-	if (strcmp(extensions[i]->name, __DRI_IMAGE_LOOKUP) == 0)
-	    psp->dri2.image = (__DRIimageLookupExtension *) extensions[i];
-	if (strcmp(extensions[i]->name, __DRI_USE_INVALIDATE) == 0)
-	    psp->dri2.useInvalidate = (__DRIuseInvalidateExtension *) extensions[i];
-    }
-}
-
-/**
- * DRI2
- */
-static __DRIscreen *
-dri2CreateNewScreen(int scrn, int fd,
-		    const __DRIextension **extensions,
-		    const __DRIconfig ***driver_configs, void *data)
-{
-    static const __DRIextension *emptyExtensionList[] = { NULL };
-    __DRIscreen *psp;
-    drmVersionPtr version;
-
-    if (driDriverAPI.InitScreen2 == NULL)
-        return NULL;
-
-    psp = calloc(1, sizeof(*psp));
-    if (!psp)
-	return NULL;
-
-    setupLoaderExtensions(psp, extensions);
-
-    version = drmGetVersion(fd);
-    if (version) {
-	psp->drm_version.major = version->version_major;
-	psp->drm_version.minor = version->version_minor;
-	psp->drm_version.patch = version->version_patchlevel;
-	drmFreeVersion(version);
-    }
-
-    psp->extensions = emptyExtensionList;
-    psp->fd = fd;
-    psp->myNum = scrn;
-
-    psp->DriverAPI = driDriverAPI;
-    psp->api_mask = (1 << __DRI_API_OPENGL);
-    *driver_configs = driDriverAPI.InitScreen2(psp);
-    if (*driver_configs == NULL) {
-	free(psp);
-	return NULL;
-    }
-
-    psp->DriverAPI = driDriverAPI;
-    psp->loaderPrivate = data;
-
-    driParseOptionInfo(&psp->optionInfo, __dri2ConfigOptions,
-		       __dri2NConfigOptions);
-    driParseConfigFiles(&psp->optionCache, &psp->optionInfo, psp->myNum,
-			"dri2");
-
-    return psp;
-}
-
-static const __DRIextension **driGetExtensions(__DRIscreen *psp)
-{
-    return psp->extensions;
-}
 
 /** Core interface */
 const __DRIcoreExtension driCoreExtension = {