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
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsyncstatic GLboolean __handleCombinerParameterData( GLenum pname, const GLfloat *params, GLenum extended_opcode )
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync{
2f44080df90cb90c1e524d97c8e327b40298f3c6vboxsync CR_GET_PACKER_CONTEXT(pc);
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync unsigned int params_length = 0;
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync unsigned int packet_length = sizeof( int ) + sizeof( extended_opcode ) + sizeof( pname );
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync unsigned char *data_ptr;
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync switch( pname )
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync {
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync case GL_CONSTANT_COLOR0_NV:
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync case GL_CONSTANT_COLOR1_NV:
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync params_length = 4 * sizeof( *params );
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync break;
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync case GL_NUM_GENERAL_COMBINERS_NV:
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync case GL_COLOR_SUM_CLAMP_NV:
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync params_length = sizeof( *params );
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync break;
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync default:
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync __PackError( __LINE__, __FILE__, GL_INVALID_ENUM,
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync "crPackCombinerParameter(bad pname)" );
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync CRASSERT(0);
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync return GL_FALSE;
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync }
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync packet_length += params_length;
2f44080df90cb90c1e524d97c8e327b40298f3c6vboxsync CR_GET_BUFFERED_POINTER(pc, packet_length );
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync WRITE_DATA( 0, int, packet_length );
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync WRITE_DATA( sizeof( int ) + 0, GLenum, extended_opcode );
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync WRITE_DATA( sizeof( int ) + 4, GLenum, pname );
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync WRITE_DATA( sizeof( int ) + 8, GLfloat, params[0] );
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync if (params_length > sizeof( *params ))
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync {
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync WRITE_DATA( sizeof( int ) + 12, GLfloat, params[1] );
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync WRITE_DATA( sizeof( int ) + 16, GLfloat, params[2] );
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync WRITE_DATA( sizeof( int ) + 20, GLfloat, params[3] );
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync CRASSERT(packet_length == sizeof(int) + 20 + 4);
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync }
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync return GL_TRUE;
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync}
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsyncvoid PACK_APIENTRY crPackCombinerParameterfvNV( GLenum pname, const GLfloat *params )
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync{
2f44080df90cb90c1e524d97c8e327b40298f3c6vboxsync CR_GET_PACKER_CONTEXT(pc);
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync if (__handleCombinerParameterData( pname, params, CR_COMBINERPARAMETERFVNV_EXTEND_OPCODE ))
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync WRITE_OPCODE( pc, CR_EXTEND_OPCODE );
2f44080df90cb90c1e524d97c8e327b40298f3c6vboxsync CR_UNLOCK_PACKER_CONTEXT(pc);
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync}
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsyncvoid PACK_APIENTRY crPackCombinerParameterivNV( GLenum pname, const GLint *params )
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync{
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync /* floats and ints are the same size, so the packing should be the same */
2f44080df90cb90c1e524d97c8e327b40298f3c6vboxsync CR_GET_PACKER_CONTEXT(pc);
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync if (__handleCombinerParameterData( pname, (const GLfloat *) params, CR_COMBINERPARAMETERIVNV_EXTEND_OPCODE ))
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync WRITE_OPCODE( pc, CR_EXTEND_OPCODE );
2f44080df90cb90c1e524d97c8e327b40298f3c6vboxsync CR_UNLOCK_PACKER_CONTEXT(pc);
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync}
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsyncvoid PACK_APIENTRY crPackCombinerStageParameterfvNV( GLenum stage, GLenum pname, const GLfloat *params )
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync{
2f44080df90cb90c1e524d97c8e327b40298f3c6vboxsync CR_GET_PACKER_CONTEXT(pc);
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync unsigned char *data_ptr;
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync
2f44080df90cb90c1e524d97c8e327b40298f3c6vboxsync CR_GET_BUFFERED_POINTER(pc, 32 );
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync WRITE_DATA( 0, GLint, 32 );
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync WRITE_DATA( 4, GLenum, CR_COMBINERSTAGEPARAMETERFVNV_EXTEND_OPCODE );
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync WRITE_DATA( 8, GLenum, stage );
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync WRITE_DATA( 12, GLenum, pname );
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync WRITE_DATA( 16, GLfloat, params[0] );
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync WRITE_DATA( 20, GLfloat, params[1] );
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync WRITE_DATA( 24, GLfloat, params[2] );
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync WRITE_DATA( 28, GLfloat, params[3] );
a0d1e40cc56a54314af0a1a4b5e13905ffd78393vboxsync WRITE_OPCODE( pc, CR_EXTEND_OPCODE );
2f44080df90cb90c1e524d97c8e327b40298f3c6vboxsync CR_UNLOCK_PACKER_CONTEXT(pc);
e0e0c19eefceaf5d4ec40f9466b58a771f50e799vboxsync}