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Added OPCODE_INT to convert 4 floats to 4 ints.

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This commit is contained in:
Brian 2007-01-17 15:54:14 -07:00
parent 46a9241248
commit 0bad236cfb
4 changed files with 30 additions and 0 deletions
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1
src/mesa/shader/prog_instruction.c
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@ -135,6 +135,7 @@ static const struct instruction_info InstInfo[MAX_OPCODE] = {
{ OPCODE_EXP, "EXP", 1 },
{ OPCODE_FLR, "FLR", 1 },
{ OPCODE_FRC, "FRC", 1 },
{ OPCODE_INT, "INT", 1 },
{ OPCODE_KIL, "KIL", 1 },
{ OPCODE_KIL_NV, "KIL", 0 },
{ OPCODE_LG2, "LG2", 1 },

1
src/mesa/shader/prog_instruction.h
View file

@ -148,6 +148,7 @@ typedef enum prog_opcode {
OPCODE_EXP, /* X X */
OPCODE_FLR, /* X X 2 X */
OPCODE_FRC, /* X X 2 X */
OPCODE_INT, /* */
OPCODE_KIL, /* X */
OPCODE_KIL_NV, /* X */
OPCODE_LG2, /* X X 2 X */

11
src/mesa/swrast/s_fragprog.c
View file

@ -888,6 +888,17 @@ execute_program( GLcontext *ctx,
store_vector4( inst, machine, result );
}
break;
case OPCODE_INT: /* float to int */
{
GLfloat a[4], result[4];
fetch_vector4( ctx, &inst->SrcReg[0], machine, program, a );
result[0] = (GLfloat) (GLint) a[0];
result[1] = (GLfloat) (GLint) a[1];
result[2] = (GLfloat) (GLint) a[2];
result[3] = (GLfloat) (GLint) a[3];
store_vector4( inst, machine, result );
}
break;
case OPCODE_KIL_NV: /* NV_f_p only */
{
const GLuint swizzle = inst->DstReg.CondSwizzle;

17
src/mesa/tnl/t_vb_arbprogram.c
View file

@ -338,6 +338,17 @@ static void do_FRC( struct arb_vp_machine *m, union instruction op )
result[3] = arg0[3] - FLOORF(arg0[3]);
}
static void do_INT( struct arb_vp_machine *m, union instruction op )
{
GLfloat *result = m->File[0][op.alu.dst];
const GLfloat *arg0 = m->File[op.alu.file0][op.alu.idx0];
result[0] = (GLfloat) (GLint) arg0[0];
result[1] = (GLfloat) (GLint) arg0[1];
result[2] = (GLfloat) (GLint) arg0[2];
result[3] = (GLfloat) (GLint) arg0[3];
}
/* High precision log base 2:
*/
static void do_LG2( struct arb_vp_machine *m, union instruction op )
@ -665,6 +676,7 @@ _tnl_disassem_vba_insn( union instruction op )
case OPCODE_EXP:
case OPCODE_FLR:
case OPCODE_FRC:
case OPCODE_INT:
case OPCODE_LG2:
case OPCODE_LIT:
case OPCODE_LOG:
@ -739,6 +751,7 @@ static void (* const opcode_func[MAX_OPCODE+3])(struct arb_vp_machine *, union i
do_EXP,
do_FLR,
do_FRC,
do_INT,
do_NOP,/*KIL*/
do_NOP,/*KIL_NV*/
do_LG2,
@ -1458,6 +1471,10 @@ static GLboolean init_vertex_program( GLcontext *ctx,
const GLuint size = VB->Size;
GLuint i;
/* spot checks to be sure the opcode table is correct */
assert(opcode_func[OPCODE_SGE] == do_SGE);
assert(opcode_func[OPCODE_XPD] == do_XPD);
stage->privatePtr = _mesa_calloc(sizeof(*m));
m = ARB_VP_MACHINE(stage);
if (!m)