sync code with last improvements from OpenBSD

2023-08-28 05:57:34 +00:00 · 2023-08-28 05:57:34 +00:00 · 88965415ff
commit 88965415ff
26235 changed files with 29195616 additions and 0 deletions
--- a/xserver/glx/indirect_program.c
+++ b/xserver/glx/indirect_program.c
@ -0,0 +1,127 @@
+/*
+ * (C) Copyright IBM Corporation 2005, 2006
+ * 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"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sub license,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * 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 NON-INFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS, THE AUTHORS, AND/OR THEIR SUPPLIERS 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.
+ */
+
+/**
+ * \file indirect_program.c
+ * Hand-coded routines needed to support programmable pipeline extensions.
+ *
+ * \author Ian Romanick <idr@us.ibm.com>
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include "glxserver.h"
+#include "glxbyteorder.h"
+#include "glxext.h"
+#include "singlesize.h"
+#include "unpack.h"
+#include "indirect_size_get.h"
+#include "indirect_dispatch.h"
+
+/**
+ * Handle both types of glGetProgramString calls.
+ */
+static int
+DoGetProgramString(struct __GLXclientStateRec *cl, GLbyte * pc,
+                   PFNGLGETPROGRAMIVARBPROC get_programiv,
+                   PFNGLGETPROGRAMSTRINGARBPROC get_program_string,
+                   Bool do_swap)
+{
+    xGLXVendorPrivateWithReplyReq *const req =
+        (xGLXVendorPrivateWithReplyReq *) pc;
+    int error;
+    __GLXcontext *const cx = __glXForceCurrent(cl, req->contextTag, &error);
+    ClientPtr client = cl->client;
+
+    REQUEST_FIXED_SIZE(xGLXVendorPrivateWithReplyReq, 8);
+
+    pc += __GLX_VENDPRIV_HDR_SIZE;
+    if (cx != NULL) {
+        GLenum target;
+        GLenum pname;
+        GLint compsize = 0;
+        char *answer = NULL, answerBuffer[200];
+        xGLXSingleReply reply = { 0, };
+
+        if (do_swap) {
+            target = (GLenum) bswap_32(*(int *) (pc + 0));
+            pname = (GLenum) bswap_32(*(int *) (pc + 4));
+        }
+        else {
+            target = *(GLenum *) (pc + 0);
+            pname = *(GLuint *) (pc + 4);
+        }
+
+        /* The value of the GL_PROGRAM_LENGTH_ARB and GL_PROGRAM_LENGTH_NV
+         * enumerants is the same.
+         */
+        get_programiv(target, GL_PROGRAM_LENGTH_ARB, &compsize);
+
+        if (compsize != 0) {
+            __GLX_GET_ANSWER_BUFFER(answer, cl, compsize, 1);
+            __glXClearErrorOccured();
+
+            get_program_string(target, pname, (GLubyte *) answer);
+        }
+
+        if (__glXErrorOccured()) {
+            __GLX_BEGIN_REPLY(0);
+            __GLX_SEND_HEADER();
+        }
+        else {
+            __GLX_BEGIN_REPLY(compsize);
+            ((xGLXGetTexImageReply *) &reply)->width = compsize;
+            __GLX_SEND_HEADER();
+            __GLX_SEND_VOID_ARRAY(compsize);
+        }
+
+        error = Success;
+    }
+
+    return error;
+}
+
+int
+__glXDisp_GetProgramStringARB(struct __GLXclientStateRec *cl, GLbyte * pc)
+{
+    PFNGLGETPROGRAMIVARBPROC get_program =
+        __glGetProcAddress("glGetProgramivARB");
+    PFNGLGETPROGRAMSTRINGARBPROC get_program_string =
+        __glGetProcAddress("glGetProgramStringARB");
+
+    return DoGetProgramString(cl, pc, get_program, get_program_string, FALSE);
+}
+
+int
+__glXDispSwap_GetProgramStringARB(struct __GLXclientStateRec *cl, GLbyte * pc)
+{
+    PFNGLGETPROGRAMIVARBPROC get_program =
+        __glGetProcAddress("glGetProgramivARB");
+    PFNGLGETPROGRAMSTRINGARBPROC get_program_string =
+        __glGetProcAddress("glGetProgramStringARB");
+
+    return DoGetProgramString(cl, pc, get_program, get_program_string, TRUE);
+}