| 1 | /* Copyright (c) 2001, Stanford University
|
|---|
| 2 | * All rights reserved
|
|---|
| 3 | *
|
|---|
| 4 | * See the file LICENSE.txt for information on redistributing this software.
|
|---|
| 5 | */
|
|---|
| 6 |
|
|---|
| 7 | #include "packer.h"
|
|---|
| 8 | #include "cr_error.h"
|
|---|
| 9 | #include "cr_mem.h"
|
|---|
| 10 |
|
|---|
| 11 | static int __gl_CallListsNumBytes( GLenum type )
|
|---|
| 12 | {
|
|---|
| 13 | switch( type )
|
|---|
| 14 | {
|
|---|
| 15 | case GL_BYTE:
|
|---|
| 16 | case GL_UNSIGNED_BYTE:
|
|---|
| 17 | case GL_2_BYTES:
|
|---|
| 18 | return 1;
|
|---|
| 19 | case GL_SHORT:
|
|---|
| 20 | case GL_UNSIGNED_SHORT:
|
|---|
| 21 | case GL_3_BYTES:
|
|---|
| 22 | return 2;
|
|---|
| 23 | case GL_INT:
|
|---|
| 24 | case GL_UNSIGNED_INT:
|
|---|
| 25 | case GL_FLOAT:
|
|---|
| 26 | case GL_4_BYTES:
|
|---|
| 27 | return 4;
|
|---|
| 28 | default:
|
|---|
| 29 | return -1;
|
|---|
| 30 | }
|
|---|
| 31 | }
|
|---|
| 32 |
|
|---|
| 33 | void PACK_APIENTRY crPackCallLists(GLint n, GLenum type,
|
|---|
| 34 | const GLvoid *lists )
|
|---|
| 35 | {
|
|---|
| 36 | unsigned char *data_ptr;
|
|---|
| 37 | int packet_length;
|
|---|
| 38 |
|
|---|
| 39 | int num_bytes = __gl_CallListsNumBytes( type ) * n;
|
|---|
| 40 | if (num_bytes < 0)
|
|---|
| 41 | {
|
|---|
| 42 | __PackError( __LINE__, __FILE__, GL_INVALID_ENUM,
|
|---|
| 43 | "crPackCallLists(bad type)" );
|
|---|
| 44 | return;
|
|---|
| 45 | }
|
|---|
| 46 |
|
|---|
| 47 | packet_length =
|
|---|
| 48 | sizeof( n ) +
|
|---|
| 49 | sizeof( type ) +
|
|---|
| 50 | num_bytes;
|
|---|
| 51 |
|
|---|
| 52 | data_ptr = (unsigned char *) crPackAlloc( packet_length );
|
|---|
| 53 | WRITE_DATA( 0, GLint, n );
|
|---|
| 54 | WRITE_DATA( 4, GLenum, type );
|
|---|
| 55 | crMemcpy( data_ptr + 8, lists, num_bytes );
|
|---|
| 56 |
|
|---|
| 57 | crHugePacket( CR_CALLLISTS_OPCODE, data_ptr );
|
|---|
| 58 | crPackFree( data_ptr );
|
|---|
| 59 | }
|
|---|
| 60 |
|
|---|
| 61 |
|
|---|
| 62 |
|
|---|
| 63 | void PACK_APIENTRY crPackNewList( GLuint list, GLenum mode )
|
|---|
| 64 | {
|
|---|
| 65 | CR_GET_PACKER_CONTEXT(pc);
|
|---|
| 66 | unsigned char *data_ptr;
|
|---|
| 67 | (void) pc;
|
|---|
| 68 | CR_GET_BUFFERED_POINTER( pc, 16 );
|
|---|
| 69 | WRITE_DATA( 0, GLint, 16 );
|
|---|
| 70 | WRITE_DATA( 4, GLenum, CR_NEWLIST_EXTEND_OPCODE );
|
|---|
| 71 | WRITE_DATA( 8, GLuint, list );
|
|---|
| 72 | WRITE_DATA( 12, GLenum, mode );
|
|---|
| 73 | WRITE_OPCODE( pc, CR_EXTEND_OPCODE );
|
|---|
| 74 | pc->buffer.in_List = GL_TRUE;
|
|---|
| 75 | pc->buffer.holds_List = GL_TRUE;
|
|---|
| 76 | CR_UNLOCK_PACKER_CONTEXT(pc);
|
|---|
| 77 | }
|
|---|
| 78 |
|
|---|
| 79 | void PACK_APIENTRY crPackEndList( void )
|
|---|
| 80 | {
|
|---|
| 81 | CR_GET_PACKER_CONTEXT(pc);
|
|---|
| 82 | unsigned char *data_ptr;
|
|---|
| 83 | CR_GET_BUFFERED_POINTER( pc, 8 );
|
|---|
| 84 | WRITE_DATA( 0, GLint, 8 );
|
|---|
| 85 | WRITE_DATA( 4, GLenum, CR_ENDLIST_EXTEND_OPCODE );
|
|---|
| 86 | WRITE_OPCODE( pc, CR_EXTEND_OPCODE );
|
|---|
| 87 | pc->buffer.in_List = GL_FALSE;
|
|---|
| 88 | CR_UNLOCK_PACKER_CONTEXT(pc);
|
|---|
| 89 | }
|
|---|
