X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fglx%2Fdrisw_glx.c;h=519786e5281b9a56cbcd0afad2c27796081c1966;hb=8592933de82f7742f411cb2f2c339ff7d42266da;hp=441606106ec6b2f79deb3e8814207de0339167c7;hpb=a7292f2920a28a190ca39ce530454a852ec36d59;p=mesa.git

diff --git a/src/glx/drisw_glx.c b/src/glx/drisw_glx.c
index 441606106ec..519786e5281 100644
--- a/src/glx/drisw_glx.c
+++ b/src/glx/drisw_glx.c
@@ -35,19 +35,21 @@ struct drisw_display
 
 struct drisw_context
 {
-   __GLXDRIcontext base;
+   struct glx_context base;
    __DRIcontext *driContext;
-   __GLXscreenConfigs *psc;
+
 };
 
 struct drisw_screen
 {
-   __GLXscreenConfigs base;
+   struct glx_screen base;
 
    __DRIscreen *driScreen;
    __GLXDRIscreen vtable;
    const __DRIcoreExtension *core;
    const __DRIswrastExtension *swrast;
+   const __DRItexBufferExtension *texBuffer;
+
    const __DRIconfig **driver_configs;
 
    void *driver;
@@ -85,11 +87,13 @@ XCreateDrawable(struct drisw_drawable * pdp,
    XChangeGC(dpy, pdp->swapgc, GCGraphicsExposures, &gcvalues);
 
    /* visual */
-   visTemp.screen = DefaultScreen(dpy);
    visTemp.visualid = visualid;
-   visMask = (VisualScreenMask | VisualIDMask);
+   visMask = VisualIDMask;
    pdp->visinfo = XGetVisualInfo(dpy, visMask, &visTemp, &num_visuals);
 
+   if (!pdp->visinfo || num_visuals == 0)
+      return False;
+
    /* create XImage */
    pdp->ximage = XCreateImage(dpy,
                               pdp->visinfo->visual,
@@ -100,6 +104,13 @@ XCreateDrawable(struct drisw_drawable * pdp,
                               32,                     /* bitmap_pad */
                               0);                     /* bytes_per_line */
 
+  /**
+   * swrast does not handle 24-bit depth with 24 bpp, so let X do the
+   * the conversion for us.
+   */
+  if (pdp->ximage->bits_per_pixel == 24)
+     pdp->ximage->bits_per_pixel = 32;
+
    return True;
 }
 
@@ -128,13 +139,11 @@ swrastGetDrawableInfo(__DRIdrawable * draw,
    Drawable drawable;
 
    Window root;
-   Status stat;
    unsigned uw, uh, bw, depth;
 
    drawable = pdraw->xDrawable;
 
-   stat = XGetGeometry(dpy, drawable, &root,
-                       x, y, &uw, &uh, &bw, &depth);
+   XGetGeometry(dpy, drawable, &root, x, y, &uw, &uh, &bw, &depth);
    *w = uw;
    *h = uh;
 }
@@ -239,46 +248,133 @@ static const __DRIextension *loader_extensions[] = {
  */
 
 static void
-driDestroyContext(__GLXDRIcontext *context,
-		  __GLXscreenConfigs *base, Display *dpy)
+drisw_destroy_context(struct glx_context *context)
 {
    struct drisw_context *pcp = (struct drisw_context *) context;
-   struct drisw_screen *psc = (struct drisw_screen *) base;
+   struct drisw_screen *psc = (struct drisw_screen *) context->psc;
+
+   driReleaseDrawables(&pcp->base);
+
+   if (context->extensions)
+      XFree((char *) context->extensions);
 
    (*psc->core->destroyContext) (pcp->driContext);
 
    Xfree(pcp);
 }
 
-static Bool
-driBindContext(__GLXDRIcontext * context,
-	       __GLXDRIdrawable * draw, __GLXDRIdrawable * read)
+static int
+drisw_bind_context(struct glx_context *context, struct glx_context *old,
+		   GLXDrawable draw, GLXDrawable read)
 {
    struct drisw_context *pcp = (struct drisw_context *) context;
-   struct drisw_screen *psc = (struct drisw_screen *) pcp->psc;
-   struct drisw_drawable *pdr = (struct drisw_drawable *) draw;
-   struct drisw_drawable *prd = (struct drisw_drawable *) read;
+   struct drisw_screen *psc = (struct drisw_screen *) pcp->base.psc;
+   struct drisw_drawable *pdraw, *pread;
+
+   pdraw = (struct drisw_drawable *) driFetchDrawable(context, draw);
+   pread = (struct drisw_drawable *) driFetchDrawable(context, read);
+
+   driReleaseDrawables(&pcp->base);
 
-   return (*psc->core->bindContext) (pcp->driContext,
-				     pdr->driDrawable, prd->driDrawable);
+   if (pdraw == NULL || pread == NULL)
+      return GLXBadDrawable;
+
+   if ((*psc->core->bindContext) (pcp->driContext,
+				  pdraw->driDrawable, pread->driDrawable))
+      return Success;
+
+   return GLXBadContext;
 }
 
 static void
-driUnbindContext(__GLXDRIcontext * context)
+drisw_unbind_context(struct glx_context *context, struct glx_context *new)
 {
    struct drisw_context *pcp = (struct drisw_context *) context;
-   struct drisw_screen *psc = (struct drisw_screen *) pcp->psc;
+   struct drisw_screen *psc = (struct drisw_screen *) pcp->base.psc;
 
    (*psc->core->unbindContext) (pcp->driContext);
 }
 
-static __GLXDRIcontext *
-driCreateContext(__GLXscreenConfigs *base,
-		 const __GLcontextModes *mode,
-		 GLXContext gc, GLXContext shareList, int renderType)
+static void
+drisw_bind_tex_image(Display * dpy,
+		    GLXDrawable drawable,
+		    int buffer, const int *attrib_list)
+{
+   struct glx_context *gc = __glXGetCurrentContext();
+   struct drisw_context *pcp = (struct drisw_context *) gc;
+   __GLXDRIdrawable *base = GetGLXDRIDrawable(dpy, drawable);
+   struct drisw_drawable *pdraw = (struct drisw_drawable *) base;
+   struct drisw_screen *psc;
+
+   __glXInitialize(dpy);
+
+   if (pdraw != NULL) {
+      psc = (struct drisw_screen *) base->psc;
+
+      if (!psc->texBuffer)
+         return;
+
+      if (psc->texBuffer->base.version >= 2 &&
+        psc->texBuffer->setTexBuffer2 != NULL) {
+	      (*psc->texBuffer->setTexBuffer2) (pcp->driContext,
+					   pdraw->base.textureTarget,
+					   pdraw->base.textureFormat,
+					   pdraw->driDrawable);
+      }
+      else {
+	      (*psc->texBuffer->setTexBuffer) (pcp->driContext,
+					  pdraw->base.textureTarget,
+					  pdraw->driDrawable);
+      }
+   }
+}
+
+static void
+drisw_release_tex_image(Display * dpy, GLXDrawable drawable, int buffer)
+{
+#if __DRI_TEX_BUFFER_VERSION >= 3
+   struct glx_context *gc = __glXGetCurrentContext();
+   struct dri2_context *pcp = (struct dri2_context *) gc;
+   __GLXDRIdrawable *base = GetGLXDRIDrawable(dpy, drawable);
+   struct glx_display *dpyPriv = __glXInitialize(dpy);
+   struct dri2_drawable *pdraw = (struct dri2_drawable *) base;
+   struct dri2_screen *psc;
+
+   if (pdraw != NULL) {
+      psc = (struct dri2_screen *) base->psc;
+
+      if (!psc->texBuffer)
+         return;
+
+      if (psc->texBuffer->base.version >= 3 &&
+          psc->texBuffer->releaseTexBuffer != NULL) {
+         (*psc->texBuffer->releaseTexBuffer) (pcp->driContext,
+                                           pdraw->base.textureTarget,
+                                           pdraw->driDrawable);
+      }
+   }
+#endif
+}
+
+static const struct glx_context_vtable drisw_context_vtable = {
+   drisw_destroy_context,
+   drisw_bind_context,
+   drisw_unbind_context,
+   NULL,
+   NULL,
+   DRI_glXUseXFont,
+   drisw_bind_tex_image,
+   drisw_release_tex_image,
+   NULL, /* get_proc_address */
+};
+
+static struct glx_context *
+drisw_create_context(struct glx_screen *base,
+		     struct glx_config *config_base,
+		     struct glx_context *shareList, int renderType)
 {
    struct drisw_context *pcp, *pcp_shared;
-   __GLXDRIconfigPrivate *config = (__GLXDRIconfigPrivate *) mode;
+   __GLXDRIconfigPrivate *config = (__GLXDRIconfigPrivate *) config_base;
    struct drisw_screen *psc = (struct drisw_screen *) base;
    __DRIcontext *shared = NULL;
 
@@ -286,7 +382,14 @@ driCreateContext(__GLXscreenConfigs *base,
       return NULL;
 
    if (shareList) {
-      pcp_shared = (struct drisw_context *) shareList->driContext;
+      /* If the shareList context is not a DRISW context, we cannot possibly
+       * create a DRISW context that shares it.
+       */
+      if (shareList->vtable->destroy != drisw_destroy_context) {
+	 return NULL;
+      }
+
+      pcp_shared = (struct drisw_context *) shareList;
       shared = pcp_shared->driContext;
    }
 
@@ -294,7 +397,12 @@ driCreateContext(__GLXscreenConfigs *base,
    if (pcp == NULL)
       return NULL;
 
-   pcp->psc = &psc->base;
+   memset(pcp, 0, sizeof *pcp);
+   if (!glx_context_init(&pcp->base, &psc->base, &config->base)) {
+      Xfree(pcp);
+      return NULL;
+   }
+
    pcp->driContext =
       (*psc->core->createNewContext) (psc->driScreen,
 				      config->driConfig, shared, pcp);
@@ -303,15 +411,98 @@ driCreateContext(__GLXscreenConfigs *base,
       return NULL;
    }
 
-   pcp->base.destroyContext = driDestroyContext;
-   pcp->base.bindContext = driBindContext;
-   pcp->base.unbindContext = driUnbindContext;
+   pcp->base.vtable = &drisw_context_vtable;
+
+   return &pcp->base;
+}
+
+static struct glx_context *
+drisw_create_context_attribs(struct glx_screen *base,
+			     struct glx_config *config_base,
+			     struct glx_context *shareList,
+			     unsigned num_attribs,
+			     const uint32_t *attribs,
+			     unsigned *error)
+{
+   struct drisw_context *pcp, *pcp_shared;
+   __GLXDRIconfigPrivate *config = (__GLXDRIconfigPrivate *) config_base;
+   struct drisw_screen *psc = (struct drisw_screen *) base;
+   __DRIcontext *shared = NULL;
+
+   uint32_t minor_ver = 1;
+   uint32_t major_ver = 0;
+   uint32_t flags = 0;
+   unsigned api;
+   int reset;
+   uint32_t ctx_attribs[2 * 4];
+   unsigned num_ctx_attribs = 0;
+
+   if (!psc->base.driScreen)
+      return NULL;
+
+   if (psc->swrast->base.version < 3)
+      return NULL;
+
+   /* Remap the GLX tokens to DRI2 tokens.
+    */
+   if (!dri2_convert_glx_attribs(num_attribs, attribs,
+				 &major_ver, &minor_ver, &flags, &api, &reset,
+				 error))
+      return NULL;
+
+   if (reset != __DRI_CTX_RESET_NO_NOTIFICATION)
+      return NULL;
+
+   if (shareList) {
+      pcp_shared = (struct drisw_context *) shareList;
+      shared = pcp_shared->driContext;
+   }
+
+   pcp = Xmalloc(sizeof *pcp);
+   if (pcp == NULL)
+      return NULL;
+
+   memset(pcp, 0, sizeof *pcp);
+   if (!glx_context_init(&pcp->base, &psc->base, &config->base)) {
+      Xfree(pcp);
+      return NULL;
+   }
+
+   ctx_attribs[num_ctx_attribs++] = __DRI_CTX_ATTRIB_MAJOR_VERSION;
+   ctx_attribs[num_ctx_attribs++] = major_ver;
+   ctx_attribs[num_ctx_attribs++] = __DRI_CTX_ATTRIB_MINOR_VERSION;
+   ctx_attribs[num_ctx_attribs++] = minor_ver;
+
+   if (flags != 0) {
+      ctx_attribs[num_ctx_attribs++] = __DRI_CTX_ATTRIB_FLAGS;
+
+      /* The current __DRI_CTX_FLAG_* values are identical to the
+       * GLX_CONTEXT_*_BIT values.
+       */
+      ctx_attribs[num_ctx_attribs++] = flags;
+   }
+
+   pcp->driContext =
+      (*psc->swrast->createContextAttribs) (psc->driScreen,
+					    api,
+					    config->driConfig,
+					    shared,
+					    num_ctx_attribs / 2,
+					    ctx_attribs,
+					    error,
+					    pcp);
+   if (pcp->driContext == NULL) {
+      Xfree(pcp);
+      return NULL;
+   }
+
+   pcp->base.vtable = &drisw_context_vtable;
 
    return &pcp->base;
 }
 
 static void
-driDestroyDrawable(__GLXDRIdrawable * pdraw)
+driswDestroyDrawable(__GLXDRIdrawable * pdraw)
 {
    struct drisw_drawable *pdp = (struct drisw_drawable *) pdraw;
    struct drisw_screen *psc = (struct drisw_screen *) pdp->base.psc;
@@ -323,28 +514,29 @@ driDestroyDrawable(__GLXDRIdrawable * pdraw)
 }
 
 static __GLXDRIdrawable *
-driCreateDrawable(__GLXscreenConfigs *base, XID xDrawable,
-		  GLXDrawable drawable, const __GLcontextModes * modes)
+driswCreateDrawable(struct glx_screen *base, XID xDrawable,
+		    GLXDrawable drawable, struct glx_config *modes)
 {
    struct drisw_drawable *pdp;
    __GLXDRIconfigPrivate *config = (__GLXDRIconfigPrivate *) modes;
    struct drisw_screen *psc = (struct drisw_screen *) base;
-
+   Bool ret;
    const __DRIswrastExtension *swrast = psc->swrast;
 
-   /* Old dri can't handle GLX 1.3+ drawable constructors. */
-   if (xDrawable != drawable)
-      return NULL;
-
    pdp = Xmalloc(sizeof(*pdp));
    if (!pdp)
       return NULL;
 
+   memset(pdp, 0, sizeof *pdp);
    pdp->base.xDrawable = xDrawable;
    pdp->base.drawable = drawable;
    pdp->base.psc = &psc->base;
 
-   XCreateDrawable(pdp, psc->base.dpy, xDrawable, modes->visualID);
+   ret = XCreateDrawable(pdp, psc->base.dpy, xDrawable, modes->visualID);
+   if (!ret) {
+      Xfree(pdp);
+      return NULL;
+   }
 
    /* Create a new drawable */
    pdp->driDrawable =
@@ -356,14 +548,14 @@ driCreateDrawable(__GLXscreenConfigs *base, XID xDrawable,
       return NULL;
    }
 
-   pdp->base.destroyDrawable = driDestroyDrawable;
+   pdp->base.destroyDrawable = driswDestroyDrawable;
 
    return &pdp->base;
 }
 
 static int64_t
-driSwapBuffers(__GLXDRIdrawable * pdraw,
-               int64_t target_msc, int64_t divisor, int64_t remainder)
+driswSwapBuffers(__GLXDRIdrawable * pdraw,
+                 int64_t target_msc, int64_t divisor, int64_t remainder)
 {
    struct drisw_drawable *pdp = (struct drisw_drawable *) pdraw;
    struct drisw_screen *psc = (struct drisw_screen *) pdp->base.psc;
@@ -378,7 +570,7 @@ driSwapBuffers(__GLXDRIdrawable * pdraw,
 }
 
 static void
-driDestroyScreen(__GLXscreenConfigs *base)
+driswDestroyScreen(struct glx_screen *base)
 {
    struct drisw_screen *psc = (struct drisw_screen *) base;
 
@@ -390,27 +582,58 @@ driDestroyScreen(__GLXscreenConfigs *base)
       dlclose(psc->driver);
 }
 
+#define SWRAST_DRIVER_NAME "swrast"
+
 static void *
 driOpenSwrast(void)
 {
    void *driver = NULL;
 
    if (driver == NULL)
-      driver = driOpenDriver("swrast");
-
-   if (driver == NULL)
-      driver = driOpenDriver("swrastg");
+      driver = driOpenDriver(SWRAST_DRIVER_NAME);
 
    return driver;
 }
 
-static __GLXscreenConfigs *
-driCreateScreen(int screen, __GLXdisplayPrivate *priv)
+static const struct glx_screen_vtable drisw_screen_vtable = {
+   drisw_create_context,
+   drisw_create_context_attribs
+};
+
+static void
+driswBindExtensions(struct drisw_screen *psc, const __DRIextension **extensions)
+{
+   int i;
+
+   __glXEnableDirectExtension(&psc->base, "GLX_SGI_make_current_read");
+
+   if (psc->swrast->base.version >= 3) {
+      __glXEnableDirectExtension(&psc->base, "GLX_ARB_create_context");
+      __glXEnableDirectExtension(&psc->base, "GLX_ARB_create_context_profile");
+
+      /* DRISW version >= 2 implies support for OpenGL ES 2.0.
+       */
+      __glXEnableDirectExtension(&psc->base,
+				 "GLX_EXT_create_context_es2_profile");
+   }
+
+   /* FIXME: Figure out what other extensions can be ported here from dri2. */
+   for (i = 0; extensions[i]; i++) {
+      if ((strcmp(extensions[i]->name, __DRI_TEX_BUFFER) == 0)) {
+	 psc->texBuffer = (__DRItexBufferExtension *) extensions[i];
+	 __glXEnableDirectExtension(&psc->base, "GLX_EXT_texture_from_pixmap");
+      }
+   }
+}
+
+static struct glx_screen *
+driswCreateScreen(int screen, struct glx_display *priv)
 {
    __GLXDRIscreen *psp;
    const __DRIconfig **driver_configs;
    const __DRIextension **extensions;
    struct drisw_screen *psc;
+   struct glx_config *configs = NULL, *visuals = NULL;
    int i;
 
    psc = Xcalloc(1, sizeof *psc);
@@ -418,8 +641,10 @@ driCreateScreen(int screen, __GLXdisplayPrivate *priv)
       return NULL;
 
    memset(psc, 0, sizeof *psc);
-   if (!glx_screen_init(&psc->base, screen, priv))
-       return NULL;
+   if (!glx_screen_init(&psc->base, screen, priv)) {
+      Xfree(psc);
+      return NULL;
+   }
 
    psc->driver = driOpenSwrast();
    if (psc->driver == NULL)
@@ -452,32 +677,45 @@ driCreateScreen(int screen, __GLXdisplayPrivate *priv)
    }
 
    extensions = psc->core->getExtensions(psc->driScreen);
+   driswBindExtensions(psc, extensions);
+
+   configs = driConvertConfigs(psc->core, psc->base.configs, driver_configs);
+   visuals = driConvertConfigs(psc->core, psc->base.visuals, driver_configs);
+
+   if (!configs || !visuals)
+       goto handle_error;
 
-   psc->base.configs =
-      driConvertConfigs(psc->core, psc->base.configs, driver_configs);
-   psc->base.visuals =
-      driConvertConfigs(psc->core, psc->base.visuals, driver_configs);
+   glx_config_destroy_list(psc->base.configs);
+   psc->base.configs = configs;
+   glx_config_destroy_list(psc->base.visuals);
+   psc->base.visuals = visuals;
 
    psc->driver_configs = driver_configs;
 
+   psc->base.vtable = &drisw_screen_vtable;
    psp = &psc->vtable;
    psc->base.driScreen = psp;
-   psp->destroyScreen = driDestroyScreen;
-   psp->createContext = driCreateContext;
-   psp->createDrawable = driCreateDrawable;
-   psp->swapBuffers = driSwapBuffers;
-   psp->waitX = NULL;
-   psp->waitGL = NULL;
+   psp->destroyScreen = driswDestroyScreen;
+   psp->createDrawable = driswCreateDrawable;
+   psp->swapBuffers = driswSwapBuffers;
 
    return &psc->base;
 
  handle_error:
-   Xfree(psc);
+   if (configs)
+       glx_config_destroy_list(configs);
+   if (visuals)
+       glx_config_destroy_list(visuals);
+   if (psc->driScreen)
+       psc->core->destroyScreen(psc->driScreen);
+   psc->driScreen = NULL;
 
    if (psc->driver)
       dlclose(psc->driver);
+   glx_screen_cleanup(&psc->base);
+   Xfree(psc);
 
-   ErrorMessageF("reverting to indirect rendering\n");
+   CriticalErrorMessageF("failed to load driver: %s\n", SWRAST_DRIVER_NAME);
 
    return NULL;
 }
@@ -485,7 +723,7 @@ driCreateScreen(int screen, __GLXdisplayPrivate *priv)
 /* Called from __glXFreeDisplayPrivate.
  */
 static void
-driDestroyDisplay(__GLXDRIdisplay * dpy)
+driswDestroyDisplay(__GLXDRIdisplay * dpy)
 {
    Xfree(dpy);
 }
@@ -504,8 +742,8 @@ driswCreateDisplay(Display * dpy)
    if (pdpyp == NULL)
       return NULL;
 
-   pdpyp->base.destroyDisplay = driDestroyDisplay;
-   pdpyp->base.createScreen = driCreateScreen;
+   pdpyp->base.destroyDisplay = driswDestroyDisplay;
+   pdpyp->base.createScreen = driswCreateScreen;
 
    return &pdpyp->base;
 }