static struct ureg register_input( struct tnl_program *p, GLuint input )
{
assert(input < 32);
p->program->Base.InputsRead |= (1<<input);
return make_ureg(PROGRAM_INPUT, input);
}
/**
* \param input one of VERT_ATTRIB_x tokens.
*/
static struct ureg register_input( struct tnl_program *p, GLuint input )
{
assert(input < 32);
if (p->state->varying_vp_inputs & (1<<input)) {
p->program->Base.InputsRead |= (1<<input);
return make_ureg(PROGRAM_INPUT, input);
}
else {
return register_param3( p, STATE_INTERNAL, STATE_CURRENT_ATTRIB, input );
}
}
/**
* \param input one of VERT_ATTRIB_x tokens.
*/
static struct ureg register_input( struct tnl_program *p, GLuint input )
{
assert(input < VERT_ATTRIB_MAX);
if (p->state->varying_vp_inputs & VERT_BIT(input)) {
p->program->info.inputs_read |= VERT_BIT(input);
return make_ureg(PROGRAM_INPUT, input);
}
else {
return register_param3( p, STATE_INTERNAL, STATE_CURRENT_ATTRIB, input );
}
}
static struct ureg get_temp( struct tnl_program *p )
{
int bit = _mesa_ffs( ~p->temp_in_use );
if (!bit) {
_mesa_problem(NULL, "%s: out of temporaries\n", __FILE__);
_mesa_exit(1);
}
if ((GLuint) bit > p->program->Base.NumTemporaries)
p->program->Base.NumTemporaries = bit;
p->temp_in_use |= 1<<(bit-1);
return make_ureg(PROGRAM_TEMPORARY, bit-1);
}
static struct ureg get_temp( struct tnl_program *p )
{
int bit = ffs( ~p->temp_in_use );
if (!bit) {
fprintf(stderr, "%s: out of temporaries\n", __FILE__);
assert(0);
}
if (bit > p->program->Base.NumTemporaries)
p->program->Base.NumTemporaries = bit;
p->temp_in_use |= 1<<(bit-1);
return make_ureg(PROGRAM_TEMPORARY, bit-1);
}
static struct ureg register_param5(struct tnl_program *p,
GLint s0,
GLint s1,
GLint s2,
GLint s3,
GLint s4)
{
gl_state_index tokens[STATE_LENGTH];
GLint idx;
tokens[0] = s0;
tokens[1] = s1;
tokens[2] = s2;
tokens[3] = s3;
tokens[4] = s4;
idx = _mesa_add_state_reference( p->program->Base.Parameters, tokens );
return make_ureg(PROGRAM_STATE_VAR, idx);
}
static struct ureg register_const4f( struct tnl_program *p,
GLfloat s0,
GLfloat s1,
GLfloat s2,
GLfloat s3)
{
GLfloat values[4];
GLint idx;
GLuint swizzle;
values[0] = s0;
values[1] = s1;
values[2] = s2;
values[3] = s3;
idx = _mesa_add_unnamed_constant( p->program->Base.Parameters, values, 4,
&swizzle );
ASSERT(swizzle == SWIZZLE_NOOP);
return make_ureg(PROGRAM_CONSTANT, idx);
}
static struct ureg register_const4f( struct tnl_program *p,
GLfloat s0,
GLfloat s1,
GLfloat s2,
GLfloat s3)
{
GLfloat values[4];
GLint idx;
GLuint swizzle;
values[0] = s0;
values[1] = s1;
values[2] = s2;
values[3] = s3;
idx = _mesa_add_unnamed_constant( p->program->Base.Parameters, values, 4,
&swizzle);
/* XXX what about swizzle? */
return make_ureg(PROGRAM_STATE_VAR, idx);
}
/**
* \param input one of VERT_RESULT_x tokens.
*/
static struct ureg register_output( struct tnl_program *p, GLuint output )
{
p->program->Base.OutputsWritten |= (1<<output);
return make_ureg(PROGRAM_OUTPUT, output);
}
/**
* \param input one of VARYING_SLOT_x tokens.
*/
static struct ureg register_output( struct tnl_program *p, GLuint output )
{
p->program->info.outputs_written |= BITFIELD64_BIT(output);
return make_ureg(PROGRAM_OUTPUT, output);
}