source: vbox/trunk/src/VBox/GuestHost/OpenGL/packer/pack_misc.c@ 42914

/* Copyright (c) 2001, Stanford University
 * All rights reserved
 *
 * See the file LICENSE.txt for information on redistributing this software.
 */

#include "packer.h"
#include "cr_error.h"

void PACK_APIENTRY crPackChromiumParametervCR(GLenum target, GLenum type, GLsizei count, const GLvoid *values)
{
    CR_GET_PACKER_CONTEXT(pc);
    unsigned int header_length = 2 * sizeof(int) + sizeof(target) + sizeof(type) + sizeof(count);
    unsigned int packet_length;
    unsigned int params_length = 0;
    unsigned char *data_ptr;
    int i, pos;

    switch (type) {
    case GL_BYTE:
    case GL_UNSIGNED_BYTE:
        params_length = sizeof(GLbyte) * count;
        break;
    case GL_SHORT:
    case GL_UNSIGNED_SHORT:
        params_length = sizeof(GLshort) * count;
        break;
    case GL_INT:
    case GL_UNSIGNED_INT:
        params_length = sizeof(GLint) * count;
        break;
    case GL_FLOAT:
        params_length = sizeof(GLfloat) * count;
        break;
#if 0
    case GL_DOUBLE:
        params_length = sizeof(GLdouble) * count;
        break;
#endif
    default:
        __PackError( __LINE__, __FILE__, GL_INVALID_ENUM,
                                 "crPackChromiumParametervCR(bad type)" );
        return;
    }

    packet_length = header_length + params_length;

    CR_GET_BUFFERED_POINTER(pc, packet_length );
    WRITE_DATA( 0, GLint, packet_length );
    WRITE_DATA( 4, GLenum, CR_CHROMIUMPARAMETERVCR_EXTEND_OPCODE );
    WRITE_DATA( 8, GLenum, target );
    WRITE_DATA( 12, GLenum, type );
    WRITE_DATA( 16, GLsizei, count );
    WRITE_OPCODE( pc, CR_EXTEND_OPCODE );

    pos = header_length;

    switch (type) {
    case GL_BYTE:
    case GL_UNSIGNED_BYTE:
        for (i = 0; i < count; i++, pos += sizeof(GLbyte)) {
            WRITE_DATA( pos, GLbyte, ((GLbyte *) values)[i]);
        }
        break;
    case GL_SHORT:
    case GL_UNSIGNED_SHORT:
        for (i = 0; i < count; i++, pos += sizeof(GLshort)) {
            WRITE_DATA( pos, GLshort, ((GLshort *) values)[i]);
        }
        break;
    case GL_INT:
    case GL_UNSIGNED_INT:
        for (i = 0; i < count; i++, pos += sizeof(GLint)) {
            WRITE_DATA( pos, GLint, ((GLint *) values)[i]);
        }
        break;
    case GL_FLOAT:
        for (i = 0; i < count; i++, pos += sizeof(GLfloat)) {
            WRITE_DATA( pos, GLfloat, ((GLfloat *) values)[i]);
        }
        break;
#if 0
    case GL_DOUBLE:
        for (i = 0; i < count; i++) {
            WRITE_foo_DATA( sizeof(int) + 12, GLdouble, ((GLdouble *) values)[i]);
        }
        break;
#endif
    default:
        __PackError( __LINE__, __FILE__, GL_INVALID_ENUM,
                                 "crPackChromiumParametervCR(bad type)" );
        CR_UNLOCK_PACKER_CONTEXT(pc);
        return;
    }
    CR_UNLOCK_PACKER_CONTEXT(pc);
}

void PACK_APIENTRY crPackDeleteQueriesARB(GLsizei n, const GLuint * ids)
{
    unsigned char *data_ptr;
    int packet_length = sizeof(GLenum)+sizeof(n)+n*sizeof(*ids);
    if (!ids) return;
    data_ptr = (unsigned char *) crPackAlloc(packet_length);
    WRITE_DATA(0, GLenum, CR_DELETEQUERIESARB_EXTEND_OPCODE);
    WRITE_DATA(4, GLsizei, n);
    crMemcpy(data_ptr + 8, ids, n*sizeof(*ids));
    crHugePacket(CR_EXTEND_OPCODE, data_ptr);
    crPackFree(data_ptr);
}