pack_context.c revision e0e0c19eefceaf5d4ec40f9466b58a771f50e799
/* Copyright (c) 2001, Stanford University
* All rights reserved
*
* See the file LICENSE.txt for information on redistributing this software.
*/
#include "packer.h"
#include "cr_opcodes.h"
#include "cr_mem.h"
#include "cr_string.h"
/* XXX duplicated in unpack_context.c */
#define DISPLAY_NAME_LEN 256
#define WRITE_BYTES( offset, data, len ) \
crMemcpy( data_ptr + (offset), data, len )
void PACK_APIENTRY
crPackCreateContext( const char *dpyName, GLint visual, GLint shareCtx,
GLint *return_value, int *writeback )
{
char displayName[DISPLAY_NAME_LEN];
GET_PACKER_CONTEXT(pc);
unsigned char *data_ptr;
int len = DISPLAY_NAME_LEN + 32;
/* clear the buffer, to silence valgrind */
crMemZero(displayName, DISPLAY_NAME_LEN);
if (dpyName) {
crStrncpy( displayName, dpyName, DISPLAY_NAME_LEN );
displayName[DISPLAY_NAME_LEN - 1] = 0;
}
else {
displayName[0] = 0;
}
GET_BUFFERED_POINTER(pc, len);
WRITE_DATA( 0, GLint, len );
WRITE_DATA( 4, GLenum, CR_CREATECONTEXT_EXTEND_OPCODE );
WRITE_BYTES( 8, displayName, DISPLAY_NAME_LEN );
WRITE_DATA( DISPLAY_NAME_LEN + 8, GLint, visual );
WRITE_DATA( DISPLAY_NAME_LEN + 12, GLint, shareCtx );
WRITE_NETWORK_POINTER( DISPLAY_NAME_LEN + 16, (void *) return_value );
WRITE_NETWORK_POINTER( DISPLAY_NAME_LEN + 24, (void *) writeback );
WRITE_OPCODE( pc, CR_EXTEND_OPCODE );
}
void PACK_APIENTRY
crPackCreateContextSWAP( const char *dpyName, GLint visual, GLint shareCtx,
GLint *return_value, int *writeback )
{
char displayName[DISPLAY_NAME_LEN];
GET_PACKER_CONTEXT(pc);
unsigned char *data_ptr;
int len = DISPLAY_NAME_LEN + 32;
/* clear the buffer, to silence valgrind */
crMemZero(displayName, DISPLAY_NAME_LEN);
if (dpyName) {
crStrncpy( displayName, dpyName, DISPLAY_NAME_LEN );
displayName[DISPLAY_NAME_LEN - 1] = 0;
}
else {
displayName[0] = 0;
}
GET_BUFFERED_POINTER(pc, len);
WRITE_DATA( 0, GLint, SWAP32(len) );
WRITE_DATA( 4, GLenum, SWAP32(CR_CREATECONTEXT_EXTEND_OPCODE) );
WRITE_BYTES( 8, displayName, DISPLAY_NAME_LEN );
WRITE_DATA( DISPLAY_NAME_LEN + 8, GLenum, SWAP32(visual) );
WRITE_DATA( DISPLAY_NAME_LEN + 12, GLenum, SWAP32(shareCtx) );
WRITE_NETWORK_POINTER( DISPLAY_NAME_LEN + 16, (void *) return_value );
WRITE_NETWORK_POINTER( DISPLAY_NAME_LEN + 24, (void *) writeback );
WRITE_OPCODE( pc, CR_EXTEND_OPCODE );
}
void PACK_APIENTRY crPackWindowCreate( const char *dpyName, GLint visBits, GLint *return_value, int *writeback )
{
char displayName[DISPLAY_NAME_LEN];
GET_PACKER_CONTEXT(pc);
unsigned char *data_ptr;
/* clear the buffer, to silence valgrind */
crMemZero(displayName, DISPLAY_NAME_LEN);
if (dpyName) {
crStrncpy( displayName, dpyName, DISPLAY_NAME_LEN );
displayName[DISPLAY_NAME_LEN - 1] = 0;
}
else {
displayName[0] = 0;
}
GET_BUFFERED_POINTER(pc, DISPLAY_NAME_LEN + 28 );
WRITE_DATA( 0, GLint, 28 );
WRITE_DATA( 4, GLenum, CR_WINDOWCREATE_EXTEND_OPCODE );
WRITE_BYTES( 8, displayName, DISPLAY_NAME_LEN );
WRITE_DATA( DISPLAY_NAME_LEN + 8, GLint, visBits );
WRITE_NETWORK_POINTER( DISPLAY_NAME_LEN + 12, (void *) return_value );
WRITE_NETWORK_POINTER( DISPLAY_NAME_LEN + 20, (void *) writeback );
WRITE_OPCODE( pc, CR_EXTEND_OPCODE );
}
void PACK_APIENTRY crPackWindowCreateSWAP( const char *dpyName, GLint visBits, GLint *return_value, int *writeback )
{
char displayName[DISPLAY_NAME_LEN];
GET_PACKER_CONTEXT(pc);
unsigned char *data_ptr;
/* clear the buffer, to silence valgrind */
crMemZero(displayName, DISPLAY_NAME_LEN);
if (dpyName) {
crStrncpy( displayName, dpyName, DISPLAY_NAME_LEN );
displayName[DISPLAY_NAME_LEN - 1] = 0;
}
else {
displayName[0] = 0;
}
GET_BUFFERED_POINTER(pc, DISPLAY_NAME_LEN + 28 );
WRITE_DATA( 0, GLint, SWAP32(28) );
WRITE_DATA( 4, GLenum, SWAP32(CR_WINDOWCREATE_EXTEND_OPCODE) );
WRITE_BYTES( 8, displayName, DISPLAY_NAME_LEN );
WRITE_DATA( DISPLAY_NAME_LEN + 8, GLint, SWAP32(visBits) );
WRITE_NETWORK_POINTER( DISPLAY_NAME_LEN + 12, (void *) return_value );
WRITE_NETWORK_POINTER( DISPLAY_NAME_LEN + 20, (void *) writeback );
WRITE_OPCODE( pc, CR_EXTEND_OPCODE );
}