| 1 | /* Copyright (c) 2001, Stanford University
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| 2 | * All rights reserved
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| 3 | *
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| 4 | * See the file LICENSE.txt for information on redistributing this software.
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| 5 | */
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| 6 |
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| 7 | #include "packer.h"
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| 8 | #include "cr_opcodes.h"
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| 9 | #include "cr_mem.h"
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| 10 | #include "cr_string.h"
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| 11 |
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| 12 |
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| 13 | /* XXX duplicated in unpack_context.c */
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| 14 | #define DISPLAY_NAME_LEN 256
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| 15 |
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| 16 | #define WRITE_BYTES( offset, data, len ) \
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| 17 | crMemcpy( data_ptr + (offset), data, len )
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| 18 |
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| 19 | void PACK_APIENTRY
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| 20 | crPackCreateContext( const char *dpyName, GLint visual, GLint shareCtx,
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| 21 | GLint *return_value, int *writeback )
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| 22 | {
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| 23 | char displayName[DISPLAY_NAME_LEN];
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| 24 | GET_PACKER_CONTEXT(pc);
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| 25 | unsigned char *data_ptr;
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| 26 | int len = DISPLAY_NAME_LEN + 32;
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| 27 |
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| 28 | /* clear the buffer, to silence valgrind */
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| 29 | crMemZero(displayName, DISPLAY_NAME_LEN);
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| 30 |
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| 31 | if (dpyName) {
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| 32 | crStrncpy( displayName, dpyName, DISPLAY_NAME_LEN );
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| 33 | displayName[DISPLAY_NAME_LEN - 1] = 0;
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| 34 | }
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| 35 | else {
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| 36 | displayName[0] = 0;
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| 37 | }
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| 38 |
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| 39 | GET_BUFFERED_POINTER(pc, len);
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| 40 | WRITE_DATA( 0, GLint, len );
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| 41 | WRITE_DATA( 4, GLenum, CR_CREATECONTEXT_EXTEND_OPCODE );
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| 42 | WRITE_BYTES( 8, displayName, DISPLAY_NAME_LEN );
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| 43 | WRITE_DATA( DISPLAY_NAME_LEN + 8, GLint, visual );
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| 44 | WRITE_DATA( DISPLAY_NAME_LEN + 12, GLint, shareCtx );
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| 45 | WRITE_NETWORK_POINTER( DISPLAY_NAME_LEN + 16, (void *) return_value );
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| 46 | WRITE_NETWORK_POINTER( DISPLAY_NAME_LEN + 24, (void *) writeback );
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| 47 | WRITE_OPCODE( pc, CR_EXTEND_OPCODE );
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| 48 | }
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| 49 |
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| 50 | void PACK_APIENTRY
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| 51 | crPackCreateContextSWAP( const char *dpyName, GLint visual, GLint shareCtx,
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| 52 | GLint *return_value, int *writeback )
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| 53 | {
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| 54 | char displayName[DISPLAY_NAME_LEN];
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| 55 | GET_PACKER_CONTEXT(pc);
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| 56 | unsigned char *data_ptr;
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| 57 | int len = DISPLAY_NAME_LEN + 32;
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| 58 |
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| 59 | /* clear the buffer, to silence valgrind */
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| 60 | crMemZero(displayName, DISPLAY_NAME_LEN);
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| 61 |
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| 62 | if (dpyName) {
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| 63 | crStrncpy( displayName, dpyName, DISPLAY_NAME_LEN );
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| 64 | displayName[DISPLAY_NAME_LEN - 1] = 0;
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| 65 | }
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| 66 | else {
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| 67 | displayName[0] = 0;
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| 68 | }
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| 69 |
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| 70 | GET_BUFFERED_POINTER(pc, len);
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| 71 | WRITE_DATA( 0, GLint, SWAP32(len) );
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| 72 | WRITE_DATA( 4, GLenum, SWAP32(CR_CREATECONTEXT_EXTEND_OPCODE) );
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| 73 | WRITE_BYTES( 8, displayName, DISPLAY_NAME_LEN );
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| 74 | WRITE_DATA( DISPLAY_NAME_LEN + 8, GLenum, SWAP32(visual) );
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| 75 | WRITE_DATA( DISPLAY_NAME_LEN + 12, GLenum, SWAP32(shareCtx) );
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| 76 | WRITE_NETWORK_POINTER( DISPLAY_NAME_LEN + 16, (void *) return_value );
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| 77 | WRITE_NETWORK_POINTER( DISPLAY_NAME_LEN + 24, (void *) writeback );
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| 78 | WRITE_OPCODE( pc, CR_EXTEND_OPCODE );
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| 79 | }
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| 80 |
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| 81 |
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| 82 | void PACK_APIENTRY crPackWindowCreate( const char *dpyName, GLint visBits, GLint *return_value, int *writeback )
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| 83 | {
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| 84 | char displayName[DISPLAY_NAME_LEN];
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| 85 | GET_PACKER_CONTEXT(pc);
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| 86 | unsigned char *data_ptr;
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| 87 |
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| 88 | /* clear the buffer, to silence valgrind */
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| 89 | crMemZero(displayName, DISPLAY_NAME_LEN);
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| 90 |
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| 91 | if (dpyName) {
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| 92 | crStrncpy( displayName, dpyName, DISPLAY_NAME_LEN );
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| 93 | displayName[DISPLAY_NAME_LEN - 1] = 0;
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| 94 | }
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| 95 | else {
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| 96 | displayName[0] = 0;
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| 97 | }
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| 98 |
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| 99 | GET_BUFFERED_POINTER(pc, DISPLAY_NAME_LEN + 28 );
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| 100 | WRITE_DATA( 0, GLint, 28 );
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| 101 | WRITE_DATA( 4, GLenum, CR_WINDOWCREATE_EXTEND_OPCODE );
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| 102 | WRITE_BYTES( 8, displayName, DISPLAY_NAME_LEN );
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| 103 | WRITE_DATA( DISPLAY_NAME_LEN + 8, GLint, visBits );
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| 104 | WRITE_NETWORK_POINTER( DISPLAY_NAME_LEN + 12, (void *) return_value );
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| 105 | WRITE_NETWORK_POINTER( DISPLAY_NAME_LEN + 20, (void *) writeback );
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| 106 | WRITE_OPCODE( pc, CR_EXTEND_OPCODE );
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| 107 | }
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| 108 |
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| 109 | void PACK_APIENTRY crPackWindowCreateSWAP( const char *dpyName, GLint visBits, GLint *return_value, int *writeback )
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| 110 | {
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| 111 | char displayName[DISPLAY_NAME_LEN];
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| 112 | GET_PACKER_CONTEXT(pc);
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| 113 | unsigned char *data_ptr;
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| 114 |
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| 115 | /* clear the buffer, to silence valgrind */
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| 116 | crMemZero(displayName, DISPLAY_NAME_LEN);
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| 117 |
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| 118 | if (dpyName) {
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| 119 | crStrncpy( displayName, dpyName, DISPLAY_NAME_LEN );
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| 120 | displayName[DISPLAY_NAME_LEN - 1] = 0;
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| 121 | }
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| 122 | else {
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| 123 | displayName[0] = 0;
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| 124 | }
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| 125 |
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| 126 | GET_BUFFERED_POINTER(pc, DISPLAY_NAME_LEN + 28 );
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| 127 | WRITE_DATA( 0, GLint, SWAP32(28) );
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| 128 | WRITE_DATA( 4, GLenum, SWAP32(CR_WINDOWCREATE_EXTEND_OPCODE) );
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| 129 | WRITE_BYTES( 8, displayName, DISPLAY_NAME_LEN );
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| 130 | WRITE_DATA( DISPLAY_NAME_LEN + 8, GLint, SWAP32(visBits) );
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| 131 | WRITE_NETWORK_POINTER( DISPLAY_NAME_LEN + 12, (void *) return_value );
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| 132 | WRITE_NETWORK_POINTER( DISPLAY_NAME_LEN + 20, (void *) writeback );
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| 133 | WRITE_OPCODE( pc, CR_EXTEND_OPCODE );
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| 134 | }
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