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a09e091a JB |
1 | /* |
2 | * (C) Copyright IBM Corporation 2005, 2006 | |
3 | * All Rights Reserved. | |
4 | * | |
5 | * Permission is hereby granted, free of charge, to any person obtaining a | |
6 | * copy of this software and associated documentation files (the "Software"), | |
7 | * to deal in the Software without restriction, including without limitation | |
8 | * the rights to use, copy, modify, merge, publish, distribute, sub license, | |
9 | * and/or sell copies of the Software, and to permit persons to whom the | |
10 | * Software is furnished to do so, subject to the following conditions: | |
11 | * | |
12 | * The above copyright notice and this permission notice (including the next | |
13 | * paragraph) shall be included in all copies or substantial portions of the | |
14 | * Software. | |
15 | * | |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL | |
19 | * THE COPYRIGHT HOLDERS, THE AUTHORS, AND/OR THEIR SUPPLIERS BE LIABLE FOR | |
20 | * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, | |
21 | * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE | |
22 | * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
23 | */ | |
24 | ||
25 | /** | |
26 | * \file indirect_program.c | |
27 | * Hand-coded routines needed to support programmable pipeline extensions. | |
28 | * | |
29 | * \author Ian Romanick <idr@us.ibm.com> | |
30 | */ | |
31 | ||
32 | #ifdef HAVE_DIX_CONFIG_H | |
33 | #include <dix-config.h> | |
34 | #endif | |
35 | ||
36 | #include "glxserver.h" | |
37 | #include "glxbyteorder.h" | |
38 | #include "glxext.h" | |
39 | #include "singlesize.h" | |
40 | #include "unpack.h" | |
41 | #include "indirect_size_get.h" | |
42 | #include "indirect_dispatch.h" | |
43 | ||
44 | /** | |
45 | * Handle both types of glGetProgramString calls. | |
46 | */ | |
47 | static int | |
48 | DoGetProgramString(struct __GLXclientStateRec *cl, GLbyte * pc, | |
49 | PFNGLGETPROGRAMIVARBPROC get_programiv, | |
50 | PFNGLGETPROGRAMSTRINGARBPROC get_program_string, | |
51 | Bool do_swap) | |
52 | { | |
53 | xGLXVendorPrivateWithReplyReq *const req = | |
54 | (xGLXVendorPrivateWithReplyReq *) pc; | |
55 | int error; | |
56 | __GLXcontext *const cx = __glXForceCurrent(cl, req->contextTag, &error); | |
57 | ClientPtr client = cl->client; | |
58 | ||
59 | pc += __GLX_VENDPRIV_HDR_SIZE; | |
60 | if (cx != NULL) { | |
61 | GLenum target; | |
62 | GLenum pname; | |
63 | GLint compsize = 0; | |
64 | char *answer = NULL, answerBuffer[200]; | |
65 | ||
66 | if (do_swap) { | |
67 | target = (GLenum) bswap_32(*(int *) (pc + 0)); | |
68 | pname = (GLenum) bswap_32(*(int *) (pc + 4)); | |
69 | } | |
70 | else { | |
71 | target = *(GLenum *) (pc + 0); | |
72 | pname = *(GLuint *) (pc + 4); | |
73 | } | |
74 | ||
75 | /* The value of the GL_PROGRAM_LENGTH_ARB and GL_PROGRAM_LENGTH_NV | |
76 | * enumerants is the same. | |
77 | */ | |
78 | get_programiv(target, GL_PROGRAM_LENGTH_ARB, &compsize); | |
79 | ||
80 | if (compsize != 0) { | |
81 | __GLX_GET_ANSWER_BUFFER(answer, cl, compsize, 1); | |
82 | __glXClearErrorOccured(); | |
83 | ||
84 | get_program_string(target, pname, (GLubyte *) answer); | |
85 | } | |
86 | ||
87 | if (__glXErrorOccured()) { | |
88 | __GLX_BEGIN_REPLY(0); | |
89 | __GLX_SEND_HEADER(); | |
90 | } | |
91 | else { | |
92 | __GLX_BEGIN_REPLY(compsize); | |
93 | ((xGLXGetTexImageReply *) &__glXReply)->width = compsize; | |
94 | __GLX_SEND_HEADER(); | |
95 | __GLX_SEND_VOID_ARRAY(compsize); | |
96 | } | |
97 | ||
98 | error = Success; | |
99 | } | |
100 | ||
101 | return error; | |
102 | } | |
103 | ||
104 | int | |
105 | __glXDisp_GetProgramStringARB(struct __GLXclientStateRec *cl, GLbyte * pc) | |
106 | { | |
107 | PFNGLGETPROGRAMIVARBPROC get_program = | |
108 | __glGetProcAddress("glGetProgramivARB"); | |
109 | PFNGLGETPROGRAMSTRINGARBPROC get_program_string = | |
110 | __glGetProcAddress("glGetProgramStringARB"); | |
111 | ||
112 | return DoGetProgramString(cl, pc, get_program, get_program_string, False); | |
113 | } | |
114 | ||
115 | int | |
116 | __glXDispSwap_GetProgramStringARB(struct __GLXclientStateRec *cl, GLbyte * pc) | |
117 | { | |
118 | PFNGLGETPROGRAMIVARBPROC get_program = | |
119 | __glGetProcAddress("glGetProgramivARB"); | |
120 | PFNGLGETPROGRAMSTRINGARBPROC get_program_string = | |
121 | __glGetProcAddress("glGetProgramStringARB"); | |
122 | ||
123 | return DoGetProgramString(cl, pc, get_program, get_program_string, True); | |
124 | } | |
125 | ||
126 | int | |
127 | __glXDisp_GetProgramStringNV(struct __GLXclientStateRec *cl, GLbyte * pc) | |
128 | { | |
129 | PFNGLGETPROGRAMIVARBPROC get_program = | |
130 | __glGetProcAddress("glGetProgramivARB"); | |
131 | PFNGLGETPROGRAMSTRINGARBPROC get_program_string = | |
132 | __glGetProcAddress("glGetProgramStringARB"); | |
133 | ||
134 | return DoGetProgramString(cl, pc, get_program, get_program_string, False); | |
135 | } | |
136 | ||
137 | int | |
138 | __glXDispSwap_GetProgramStringNV(struct __GLXclientStateRec *cl, GLbyte * pc) | |
139 | { | |
140 | PFNGLGETPROGRAMIVARBPROC get_program = | |
141 | __glGetProcAddress("glGetProgramivARB"); | |
142 | PFNGLGETPROGRAMSTRINGARBPROC get_program_string = | |
143 | __glGetProcAddress("glGetProgramStringARB"); | |
144 | ||
145 | return DoGetProgramString(cl, pc, get_program, get_program_string, True); | |
146 | } |