#include "packer.h"

#include "cr_error.h"

#include "cr_string.h"

#include "cr_version.h"

void PACK_APIENTRY

crPackMapBufferARB( GLenum target, GLenum access,

void * return_value, int * writeback )

{

(void)writeback;

(void)return_value;

(void)target;

(void)access;

crWarning("Can't pack MapBufferARB command!");

}

void PACK_APIENTRY

crPackUnmapBufferARB( GLenum target, GLboolean* return_value, int * writeback )

{

(void)target;

(void)return_value;

(void)writeback;

crWarning("Can't pack UnmapBufferARB command!");

}

void PACK_APIENTRY

crPackBufferDataARB( GLenum target, GLsizeiptrARB size,

const GLvoid * data, GLenum usage )

{

unsigned char *data_ptr, *start_ptr;

int packet_length;

packet_length = sizeof(GLenum)

+ sizeof(target) + sizeof(GLuint) + sizeof(usage) + sizeof(GLboolean);

/*Note: it's valid to pass a NULL pointer here, which tells GPU drivers to allocate memory for the VBO*/

if (data) packet_length += size;

start_ptr = data_ptr = (unsigned char *) crPackAlloc( packet_length );

WRITE_DATA_AI(GLenum, CR_BUFFERDATAARB_EXTEND_OPCODE);

WRITE_DATA_AI(GLenum, target);

WRITE_DATA_AI(GLuint, (GLuint) size);

WRITE_DATA_AI(GLenum, usage);

WRITE_DATA_AI(GLboolean, (GLboolean) (data!=NULL));

if (data)

crMemcpy(data_ptr, data, size);

crHugePacket( CR_EXTEND_OPCODE, start_ptr );

crPackFree( start_ptr );

}

void PACK_APIENTRY

crPackBufferSubDataARB( GLenum target, GLintptrARB offset, GLsizeiptrARB size,

const GLvoid * data )

{

unsigned char *data_ptr, *start_ptr;

int packet_length;

if (!data)

return;

packet_length = sizeof(GLenum)

+ sizeof(target) + sizeof(GLuint) + sizeof(GLuint) + size;

start_ptr = data_ptr = (unsigned char *) crPackAlloc(packet_length);

WRITE_DATA_AI(GLenum, CR_BUFFERSUBDATAARB_EXTEND_OPCODE);

WRITE_DATA_AI(GLenum, target);

WRITE_DATA_AI(GLuint, (GLuint) offset);

WRITE_DATA_AI(GLuint, (GLuint) size);

crMemcpy(data_ptr, data, size);

crHugePacket(CR_EXTEND_OPCODE, start_ptr);

crPackFree(start_ptr);

}

void PACK_APIENTRY

crPackGetBufferSubDataARB( GLenum target, GLintptrARB offset, GLsizeiptrARB size, void * data, int * writeback )

{

GET_PACKER_CONTEXT(pc);

unsigned char *data_ptr;

(void) pc;

GET_BUFFERED_POINTER( pc, 36 );

WRITE_DATA( 0, GLint, 36 );

WRITE_DATA( 4, GLenum, CR_GETBUFFERSUBDATAARB_EXTEND_OPCODE );

WRITE_DATA( 8, GLenum, target );

WRITE_DATA( 12, GLuint, (GLuint) offset );

WRITE_DATA( 16, GLuint, (GLuint) size );

WRITE_NETWORK_POINTER( 20, (void *) data );

WRITE_NETWORK_POINTER( 28, (void *) writeback );

WRITE_OPCODE( pc, CR_EXTEND_OPCODE );

}

void PACK_APIENTRY

crPackDeleteBuffersARB(GLsizei n, const GLuint * buffers)

{

unsigned char *data_ptr;

int packet_length = sizeof(GLenum) + sizeof(n) + n * sizeof(*buffers);

if (!buffers)

return;

data_ptr = (unsigned char *) crPackAlloc(packet_length);

WRITE_DATA( 0, GLenum, CR_DELETEBUFFERSARB_EXTEND_OPCODE );

WRITE_DATA( 4, GLsizei, n );

crMemcpy( data_ptr + 8, buffers, n * sizeof(*buffers) );

crHugePacket( CR_EXTEND_OPCODE, data_ptr );

crPackFree( data_ptr );

}