e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync/* Copyright (c) 2001, Stanford University
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync * All rights reserved
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync *
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync * See the file LICENSE.txt for information on redistributing this software.
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync */
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync#include "packer.h"
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync#include "cr_opcodes.h"
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync#include "cr_version.h"
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync#ifdef CR_ARB_point_parameters
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsyncstatic GLboolean __handlePointDataf( GLenum pname, const GLfloat *params )
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync{
2f44080df90cb90c1e524d97c8e327b40298f3c6vboxsync CR_GET_PACKER_CONTEXT(pc);
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync int params_length = 0;
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync int packet_length = 2 * sizeof( int ) + sizeof( pname );
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync unsigned char *data_ptr;
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync switch( pname )
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync {
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync case GL_POINT_SIZE_MIN_ARB:
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync case GL_POINT_SIZE_MAX_ARB:
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync case GL_POINT_FADE_THRESHOLD_SIZE_ARB:
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync params_length = sizeof( *params );
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync break;
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync case GL_POINT_DISTANCE_ATTENUATION_ARB:
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync params_length = 3 * sizeof( *params );
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync break;
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync default:
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync {
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync char msg[100];
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync sprintf(msg, "Invalid pname in PointParameter: %d", (int) pname );
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync __PackError( __LINE__, __FILE__, GL_INVALID_ENUM, msg);
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync }
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync return GL_FALSE;
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync }
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync packet_length += params_length;
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync
2f44080df90cb90c1e524d97c8e327b40298f3c6vboxsync CR_GET_BUFFERED_POINTER(pc, packet_length );
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync WRITE_DATA( 0, GLint, packet_length );
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync WRITE_DATA( 4, GLenum, CR_POINTPARAMETERFVARB_EXTEND_OPCODE );
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync WRITE_DATA( 8, GLenum, pname );
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync WRITE_DATA( 12, GLfloat, params[0] );
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync if (packet_length > 16)
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync {
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync WRITE_DATA( 16, GLfloat, params[1] );
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync WRITE_DATA( 20, GLfloat, params[2] );
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync }
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync return GL_TRUE;
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync}
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsyncvoid PACK_APIENTRY crPackPointParameterfvARB(GLenum pname, const GLfloat *params)
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync{
2f44080df90cb90c1e524d97c8e327b40298f3c6vboxsync CR_GET_PACKER_CONTEXT(pc);
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync if (__handlePointDataf( pname, params ))
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync WRITE_OPCODE( pc, CR_EXTEND_OPCODE );
2f44080df90cb90c1e524d97c8e327b40298f3c6vboxsync CR_UNLOCK_PACKER_CONTEXT(pc);
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync}
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync#endif
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsyncstatic GLboolean __handlePointDatai( GLenum pname, const GLint *params )
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync{
2f44080df90cb90c1e524d97c8e327b40298f3c6vboxsync CR_GET_PACKER_CONTEXT(pc);
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync int params_length = 0;
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync int packet_length = 2 * sizeof( int ) + sizeof( pname );
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync unsigned char *data_ptr;
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync switch( pname )
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync {
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync case GL_POINT_SIZE_MIN_ARB:
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync case GL_POINT_SIZE_MAX_ARB:
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync case GL_POINT_FADE_THRESHOLD_SIZE_ARB:
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync params_length = sizeof( *params );
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync break;
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync case GL_POINT_DISTANCE_ATTENUATION_ARB:
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync params_length = 3 * sizeof( *params );
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync break;
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync default:
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync {
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync char msg[100];
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync sprintf(msg, "Invalid pname in PointParameter: %d", (int) pname );
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync __PackError( __LINE__, __FILE__, GL_INVALID_ENUM, msg);
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync }
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync return GL_FALSE;
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync }
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync packet_length += params_length;
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync
2f44080df90cb90c1e524d97c8e327b40298f3c6vboxsync CR_GET_BUFFERED_POINTER(pc, packet_length );
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync WRITE_DATA( 0, GLint, packet_length );
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync WRITE_DATA( 4, GLenum, CR_POINTPARAMETERIV_EXTEND_OPCODE );
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync WRITE_DATA( 8, GLenum, pname );
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync WRITE_DATA( 12, GLint, params[0] );
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync if (packet_length > 16)
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync {
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync WRITE_DATA( 16, GLint, params[1] );
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync WRITE_DATA( 20, GLint, params[2] );
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync }
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync return GL_TRUE;
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync}
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsyncvoid PACK_APIENTRY crPackPointParameteriv(GLenum pname, const GLint *params)
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync{
2f44080df90cb90c1e524d97c8e327b40298f3c6vboxsync CR_GET_PACKER_CONTEXT(pc);
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync if (__handlePointDatai( pname, params ))
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync WRITE_OPCODE( pc, CR_EXTEND_OPCODE );
2f44080df90cb90c1e524d97c8e327b40298f3c6vboxsync CR_UNLOCK_PACKER_CONTEXT(pc);
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync}