}
else {
COPY_4V(val,
- CurrentMachine->Attribs[index][CurrentMachine->CurElement]);
+ CurrentMachine->Attribs[index][CurrentMachine->CurElement]);
}
break;
case PROGRAM_OUTPUT:
* source register.
*/
static INLINE const GLfloat *
-get_register_pointer( GLcontext *ctx,
- const struct prog_src_register *source,
- const struct gl_program_machine *machine)
+get_register_pointer(GLcontext * ctx,
+ const struct prog_src_register *source,
+ const struct gl_program_machine *machine)
{
/* XXX relative addressing... */
switch (source->File) {
* Apply swizzling and negating as needed.
*/
static void
-fetch_vector4( GLcontext *ctx,
- const struct prog_src_register *source,
- const struct gl_program_machine *machine,
- GLfloat result[4] )
+fetch_vector4(GLcontext * ctx,
+ const struct prog_src_register *source,
+ const struct gl_program_machine *machine, GLfloat result[4])
{
const GLfloat *src = get_register_pointer(ctx, source, machine);
ASSERT(src);
* need to execute another instance of the program (ugh)!
*/
static GLboolean
-fetch_vector4_deriv( GLcontext *ctx,
- const struct prog_src_register *source,
- const SWspan *span,
- char xOrY, GLint column, GLfloat result[4] )
+fetch_vector4_deriv(GLcontext * ctx,
+ const struct prog_src_register *source,
+ const SWspan * span,
+ char xOrY, GLint column, GLfloat result[4])
{
GLfloat src[4];
src[0] = 1.0;
src[1] = 0.0;
src[2] = span->attrStepX[FRAG_ATTRIB_WPOS][2]
- / ctx->DrawBuffer->_DepthMaxF;
+ / ctx->DrawBuffer->_DepthMaxF;
src[3] = span->attrStepX[FRAG_ATTRIB_WPOS][3];
}
else {
src[0] = 0.0;
src[1] = 1.0;
src[2] = span->attrStepY[FRAG_ATTRIB_WPOS][2]
- / ctx->DrawBuffer->_DepthMaxF;
+ / ctx->DrawBuffer->_DepthMaxF;
src[3] = span->attrStepY[FRAG_ATTRIB_WPOS][3];
}
break;
if (xOrY == 'X') {
/* this is a little tricky - I think I've got it right */
const GLfloat invQ = 1.0f / (span->attrStart[source->Index][3]
- + span->attrStepX[source->Index][3] * column);
+ +
+ span->attrStepX[source->Index][3] *
+ column);
src[0] = span->attrStepX[source->Index][0] * invQ;
src[1] = span->attrStepX[source->Index][1] * invQ;
src[2] = span->attrStepX[source->Index][2] * invQ;
* As above, but only return result[0] element.
*/
static void
-fetch_vector1( GLcontext *ctx,
- const struct prog_src_register *source,
- const struct gl_program_machine *machine,
- GLfloat result[4] )
+fetch_vector1(GLcontext * ctx,
+ const struct prog_src_register *source,
+ const struct gl_program_machine *machine, GLfloat result[4])
{
const GLfloat *src = get_register_pointer(ctx, source, machine);
ASSERT(src);
* Test value against zero and return GT, LT, EQ or UN if NaN.
*/
static INLINE GLuint
-generate_cc( float value )
+generate_cc(float value)
{
if (value != value)
- return COND_UN; /* NaN */
+ return COND_UN; /* NaN */
if (value > 0.0F)
return COND_GT;
if (value < 0.0F)
* set-condition-code flags.
*/
static void
-store_vector4( const struct prog_instruction *inst,
- struct gl_program_machine *machine,
- const GLfloat value[4] )
+store_vector4(const struct prog_instruction *inst,
+ struct gl_program_machine *machine, const GLfloat value[4])
{
const struct prog_dst_register *dest = &(inst->DstReg);
const GLboolean clamp = inst->SaturateMode == SATURATE_ZERO_ONE;
GLuint writeMask = dest->WriteMask;
switch (dest->File) {
- case PROGRAM_OUTPUT:
- dstReg = machine->Outputs[dest->Index];
- break;
- case PROGRAM_TEMPORARY:
- dstReg = machine->Temporaries[dest->Index];
- break;
- case PROGRAM_WRITE_ONLY:
- dstReg = dummyReg;
- return;
- default:
- _mesa_problem(NULL, "bad register file in store_vector4(fp)");
- return;
+ case PROGRAM_OUTPUT:
+ dstReg = machine->Outputs[dest->Index];
+ break;
+ case PROGRAM_TEMPORARY:
+ dstReg = machine->Temporaries[dest->Index];
+ break;
+ case PROGRAM_WRITE_ONLY:
+ dstReg = dummyReg;
+ return;
+ default:
+ _mesa_problem(NULL, "bad register file in store_vector4(fp)");
+ return;
}
#if 0
if (value[0] > 1.0e10 ||
IS_INF_OR_NAN(value[0]) ||
IS_INF_OR_NAN(value[1]) ||
- IS_INF_OR_NAN(value[2]) ||
- IS_INF_OR_NAN(value[3]) )
+ IS_INF_OR_NAN(value[2]) || IS_INF_OR_NAN(value[3]))
printf("store %g %g %g %g\n", value[0], value[1], value[2], value[3]);
#endif
* Used to implement DDX and DDY instructions in non-trivial cases.
*/
static void
-init_machine_deriv( GLcontext *ctx,
- const struct gl_program_machine *machine,
- const struct gl_fragment_program *program,
- const SWspan *span, char xOrY,
- struct gl_program_machine *dMachine )
+init_machine_deriv(GLcontext * ctx,
+ const struct gl_program_machine *machine,
+ const struct gl_fragment_program *program,
+ const SWspan * span, char xOrY,
+ struct gl_program_machine *dMachine)
{
GLuint attr;
if (program->Base.Target == GL_FRAGMENT_PROGRAM_NV) {
/* XXX also need to do this when using valgrind */
/* Clear temporary registers (undefined for ARB_f_p) */
- _mesa_bzero( (void*) machine->Temporaries,
- MAX_PROGRAM_TEMPS * 4 * sizeof(GLfloat));
+ _mesa_bzero((void *) machine->Temporaries,
+ MAX_PROGRAM_TEMPS * 4 * sizeof(GLfloat));
}
/* Add derivatives */
* \return GL_TRUE if program completed or GL_FALSE if program executed KIL.
*/
GLboolean
-_mesa_execute_program(GLcontext *ctx,
+_mesa_execute_program(GLcontext * ctx,
const struct gl_program *program, GLuint maxInst,
struct gl_program_machine *machine, GLuint element)
{
}
switch (inst->Opcode) {
- case OPCODE_ABS:
- {
- GLfloat a[4], result[4];
- fetch_vector4( ctx, &inst->SrcReg[0], machine, a );
- result[0] = FABSF(a[0]);
- result[1] = FABSF(a[1]);
- result[2] = FABSF(a[2]);
- result[3] = FABSF(a[3]);
- store_vector4( inst, machine, result );
- }
- break;
- case OPCODE_ADD:
- {
- GLfloat a[4], b[4], result[4];
- fetch_vector4( ctx, &inst->SrcReg[0], machine, a );
- fetch_vector4( ctx, &inst->SrcReg[1], machine, b );
- result[0] = a[0] + b[0];
- result[1] = a[1] + b[1];
- result[2] = a[2] + b[2];
- result[3] = a[3] + b[3];
- store_vector4( inst, machine, result );
- if (DEBUG_PROG) {
- printf("ADD (%g %g %g %g) = (%g %g %g %g) + (%g %g %g %g)\n",
- result[0], result[1], result[2], result[3],
- a[0], a[1], a[2], a[3],
- b[0], b[1], b[2], b[3]);
- }
- }
- break;
- case OPCODE_BGNLOOP:
- /* no-op */
- break;
- case OPCODE_ENDLOOP:
- /* subtract 1 here since pc is incremented by for(pc) loop */
- pc = inst->BranchTarget - 1; /* go to matching BNGLOOP */
- break;
- case OPCODE_BGNSUB: /* begin subroutine */
- break;
- case OPCODE_ENDSUB: /* end subroutine */
- break;
- case OPCODE_BRA: /* branch (conditional) */
- /* fall-through */
- case OPCODE_BRK: /* break out of loop (conditional) */
- /* fall-through */
- case OPCODE_CONT: /* continue loop (conditional) */
- if (eval_condition(machine, inst)) {
- /* take branch */
- /* Subtract 1 here since we'll do pc++ at end of for-loop */
- pc = inst->BranchTarget - 1;
- }
- break;
- case OPCODE_CAL: /* Call subroutine (conditional) */
- if (eval_condition(machine, inst)) {
- /* call the subroutine */
- if (machine->StackDepth >= MAX_PROGRAM_CALL_DEPTH) {
- return GL_TRUE; /* Per GL_NV_vertex_program2 spec */
- }
- machine->CallStack[machine->StackDepth++] = pc + 1;
- pc = inst->BranchTarget; /* XXX - 1 ??? */
- }
- break;
- case OPCODE_CMP:
- {
- GLfloat a[4], b[4], c[4], result[4];
- fetch_vector4( ctx, &inst->SrcReg[0], machine, a );
- fetch_vector4( ctx, &inst->SrcReg[1], machine, b );
- fetch_vector4( ctx, &inst->SrcReg[2], machine, c );
- result[0] = a[0] < 0.0F ? b[0] : c[0];
- result[1] = a[1] < 0.0F ? b[1] : c[1];
- result[2] = a[2] < 0.0F ? b[2] : c[2];
- result[3] = a[3] < 0.0F ? b[3] : c[3];
- store_vector4( inst, machine, result );
- }
- break;
- case OPCODE_COS:
- {
- GLfloat a[4], result[4];
- fetch_vector1( ctx, &inst->SrcReg[0], machine, a );
- result[0] = result[1] = result[2] = result[3]
- = (GLfloat) _mesa_cos(a[0]);
- store_vector4( inst, machine, result );
+ case OPCODE_ABS:
+ {
+ GLfloat a[4], result[4];
+ fetch_vector4(ctx, &inst->SrcReg[0], machine, a);
+ result[0] = FABSF(a[0]);
+ result[1] = FABSF(a[1]);
+ result[2] = FABSF(a[2]);
+ result[3] = FABSF(a[3]);
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_ADD:
+ {
+ GLfloat a[4], b[4], result[4];
+ fetch_vector4(ctx, &inst->SrcReg[0], machine, a);
+ fetch_vector4(ctx, &inst->SrcReg[1], machine, b);
+ result[0] = a[0] + b[0];
+ result[1] = a[1] + b[1];
+ result[2] = a[2] + b[2];
+ result[3] = a[3] + b[3];
+ store_vector4(inst, machine, result);
+ if (DEBUG_PROG) {
+ printf("ADD (%g %g %g %g) = (%g %g %g %g) + (%g %g %g %g)\n",
+ result[0], result[1], result[2], result[3],
+ a[0], a[1], a[2], a[3], b[0], b[1], b[2], b[3]);
}
- break;
- case OPCODE_DDX: /* Partial derivative with respect to X */
- {
+ }
+ break;
+ case OPCODE_BGNLOOP:
+ /* no-op */
+ break;
+ case OPCODE_ENDLOOP:
+ /* subtract 1 here since pc is incremented by for(pc) loop */
+ pc = inst->BranchTarget - 1; /* go to matching BNGLOOP */
+ break;
+ case OPCODE_BGNSUB: /* begin subroutine */
+ break;
+ case OPCODE_ENDSUB: /* end subroutine */
+ break;
+ case OPCODE_BRA: /* branch (conditional) */
+ /* fall-through */
+ case OPCODE_BRK: /* break out of loop (conditional) */
+ /* fall-through */
+ case OPCODE_CONT: /* continue loop (conditional) */
+ if (eval_condition(machine, inst)) {
+ /* take branch */
+ /* Subtract 1 here since we'll do pc++ at end of for-loop */
+ pc = inst->BranchTarget - 1;
+ }
+ break;
+ case OPCODE_CAL: /* Call subroutine (conditional) */
+ if (eval_condition(machine, inst)) {
+ /* call the subroutine */
+ if (machine->StackDepth >= MAX_PROGRAM_CALL_DEPTH) {
+ return GL_TRUE; /* Per GL_NV_vertex_program2 spec */
+ }
+ machine->CallStack[machine->StackDepth++] = pc + 1;
+ pc = inst->BranchTarget; /* XXX - 1 ??? */
+ }
+ break;
+ case OPCODE_CMP:
+ {
+ GLfloat a[4], b[4], c[4], result[4];
+ fetch_vector4(ctx, &inst->SrcReg[0], machine, a);
+ fetch_vector4(ctx, &inst->SrcReg[1], machine, b);
+ fetch_vector4(ctx, &inst->SrcReg[2], machine, c);
+ result[0] = a[0] < 0.0F ? b[0] : c[0];
+ result[1] = a[1] < 0.0F ? b[1] : c[1];
+ result[2] = a[2] < 0.0F ? b[2] : c[2];
+ result[3] = a[3] < 0.0F ? b[3] : c[3];
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_COS:
+ {
+ GLfloat a[4], result[4];
+ fetch_vector1(ctx, &inst->SrcReg[0], machine, a);
+ result[0] = result[1] = result[2] = result[3]
+ = (GLfloat) _mesa_cos(a[0]);
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_DDX: /* Partial derivative with respect to X */
+ {
#if 0
- GLfloat a[4], aNext[4], result[4];
- struct gl_program_machine dMachine;
- if (!fetch_vector4_deriv(ctx, &inst->SrcReg[0], span, 'X',
- column, result)) {
- /* This is tricky. Make a copy of the current machine state,
- * increment the input registers by the dx or dy partial
- * derivatives, then re-execute the program up to the
- * preceeding instruction, then fetch the source register.
- * Finally, find the difference in the register values for
- * the original and derivative runs.
- */
- fetch_vector4( ctx, &inst->SrcReg[0], machine, program, a);
- init_machine_deriv(ctx, machine, program, span,
- 'X', &dMachine);
- execute_program(ctx, program, pc, &dMachine, span, column);
- fetch_vector4( ctx, &inst->SrcReg[0], &dMachine, program, aNext );
- result[0] = aNext[0] - a[0];
- result[1] = aNext[1] - a[1];
- result[2] = aNext[2] - a[2];
- result[3] = aNext[3] - a[3];
- }
- store_vector4( inst, machine, result );
+ GLfloat a[4], aNext[4], result[4];
+ struct gl_program_machine dMachine;
+ if (!fetch_vector4_deriv(ctx, &inst->SrcReg[0], span, 'X',
+ column, result)) {
+ /* This is tricky. Make a copy of the current machine state,
+ * increment the input registers by the dx or dy partial
+ * derivatives, then re-execute the program up to the
+ * preceeding instruction, then fetch the source register.
+ * Finally, find the difference in the register values for
+ * the original and derivative runs.
+ */
+ fetch_vector4(ctx, &inst->SrcReg[0], machine, program, a);
+ init_machine_deriv(ctx, machine, program, span,
+ 'X', &dMachine);
+ execute_program(ctx, program, pc, &dMachine, span, column);
+ fetch_vector4(ctx, &inst->SrcReg[0], &dMachine, program,
+ aNext);
+ result[0] = aNext[0] - a[0];
+ result[1] = aNext[1] - a[1];
+ result[2] = aNext[2] - a[2];
+ result[3] = aNext[3] - a[3];
+ }
+ store_vector4(inst, machine, result);
#else
- static const GLfloat result[4] = { 0, 0, 0, 0 };
- store_vector4( inst, machine, result );
+ static const GLfloat result[4] = { 0, 0, 0, 0 };
+ store_vector4(inst, machine, result);
#endif
- }
- break;
- case OPCODE_DDY: /* Partial derivative with respect to Y */
- {
+ }
+ break;
+ case OPCODE_DDY: /* Partial derivative with respect to Y */
+ {
#if 0
- GLfloat a[4], aNext[4], result[4];
- struct gl_program_machine dMachine;
- if (!fetch_vector4_deriv(ctx, &inst->SrcReg[0], span, 'Y',
- column, result)) {
- init_machine_deriv(ctx, machine, program, span,
- 'Y', &dMachine);
- fetch_vector4( ctx, &inst->SrcReg[0], machine, program, a);
- execute_program(ctx, program, pc, &dMachine, span, column);
- fetch_vector4( ctx, &inst->SrcReg[0], &dMachine, program, aNext );
- result[0] = aNext[0] - a[0];
- result[1] = aNext[1] - a[1];
- result[2] = aNext[2] - a[2];
- result[3] = aNext[3] - a[3];
- }
- store_vector4( inst, machine, result );
+ GLfloat a[4], aNext[4], result[4];
+ struct gl_program_machine dMachine;
+ if (!fetch_vector4_deriv(ctx, &inst->SrcReg[0], span, 'Y',
+ column, result)) {
+ init_machine_deriv(ctx, machine, program, span,
+ 'Y', &dMachine);
+ fetch_vector4(ctx, &inst->SrcReg[0], machine, program, a);
+ execute_program(ctx, program, pc, &dMachine, span, column);
+ fetch_vector4(ctx, &inst->SrcReg[0], &dMachine, program,
+ aNext);
+ result[0] = aNext[0] - a[0];
+ result[1] = aNext[1] - a[1];
+ result[2] = aNext[2] - a[2];
+ result[3] = aNext[3] - a[3];
+ }
+ store_vector4(inst, machine, result);
#else
- static const GLfloat result[4] = { 0, 0, 0, 0 };
- store_vector4( inst, machine, result );
+ static const GLfloat result[4] = { 0, 0, 0, 0 };
+ store_vector4(inst, machine, result);
#endif
+ }
+ break;
+ case OPCODE_DP3:
+ {
+ GLfloat a[4], b[4], result[4];
+ fetch_vector4(ctx, &inst->SrcReg[0], machine, a);
+ fetch_vector4(ctx, &inst->SrcReg[1], machine, b);
+ result[0] = result[1] = result[2] = result[3] = DOT3(a, b);
+ store_vector4(inst, machine, result);
+ if (DEBUG_PROG) {
+ printf("DP3 %g = (%g %g %g) . (%g %g %g)\n",
+ result[0], a[0], a[1], a[2], b[0], b[1], b[2]);
}
- break;
- case OPCODE_DP3:
- {
- GLfloat a[4], b[4], result[4];
- fetch_vector4( ctx, &inst->SrcReg[0], machine, a );
- fetch_vector4( ctx, &inst->SrcReg[1], machine, b );
- result[0] = result[1] = result[2] = result[3] = DOT3(a, b);
- store_vector4( inst, machine, result );
- if (DEBUG_PROG) {
- printf("DP3 %g = (%g %g %g) . (%g %g %g)\n",
- result[0], a[0], a[1], a[2], b[0], b[1], b[2]);
- }
- }
- break;
- case OPCODE_DP4:
- {
- GLfloat a[4], b[4], result[4];
- fetch_vector4( ctx, &inst->SrcReg[0], machine, a );
- fetch_vector4( ctx, &inst->SrcReg[1], machine, b );
- result[0] = result[1] = result[2] = result[3] = DOT4(a,b);
- store_vector4( inst, machine, result );
- if (DEBUG_PROG) {
- printf("DP4 %g = (%g, %g %g %g) . (%g, %g %g %g)\n",
- result[0], a[0], a[1], a[2], a[3],
- b[0], b[1], b[2], b[3]);
- }
- }
- break;
- case OPCODE_DPH:
- {
- GLfloat a[4], b[4], result[4];
- fetch_vector4( ctx, &inst->SrcReg[0], machine, a );
- fetch_vector4( ctx, &inst->SrcReg[1], machine, b );
- result[0] = result[1] = result[2] = result[3] =
- a[0] * b[0] + a[1] * b[1] + a[2] * b[2] + b[3];
- store_vector4( inst, machine, result );
- }
- break;
- case OPCODE_DST: /* Distance vector */
- {
- GLfloat a[4], b[4], result[4];
- fetch_vector4( ctx, &inst->SrcReg[0], machine, a );
- fetch_vector4( ctx, &inst->SrcReg[1], machine, b );
- result[0] = 1.0F;
- result[1] = a[1] * b[1];
- result[2] = a[2];
- result[3] = b[3];
- store_vector4( inst, machine, result );
- }
- break;
- case OPCODE_EX2: /* Exponential base 2 */
- {
- GLfloat a[4], result[4];
- fetch_vector1( ctx, &inst->SrcReg[0], machine, a );
- result[0] = result[1] = result[2] = result[3] =
- (GLfloat) _mesa_pow(2.0, a[0]);
- store_vector4( inst, machine, result );
- }
- break;
- case OPCODE_FLR:
- {
- GLfloat a[4], result[4];
- fetch_vector4( ctx, &inst->SrcReg[0], machine, a );
- result[0] = FLOORF(a[0]);
- result[1] = FLOORF(a[1]);
- result[2] = FLOORF(a[2]);
- result[3] = FLOORF(a[3]);
- store_vector4( inst, machine, result );
- }
- break;
- case OPCODE_FRC:
- {
- GLfloat a[4], result[4];
- fetch_vector4( ctx, &inst->SrcReg[0], machine, a );
- result[0] = a[0] - FLOORF(a[0]);
- result[1] = a[1] - FLOORF(a[1]);
- result[2] = a[2] - FLOORF(a[2]);
- result[3] = a[3] - FLOORF(a[3]);
- store_vector4( inst, machine, result );
- }
- break;
- case OPCODE_IF:
- if (eval_condition(machine, inst)) {
- /* do if-clause (just continue execution) */
- }
- else {
- /* go to the instruction after ELSE or ENDIF */
- assert(inst->BranchTarget >= 0);
- pc = inst->BranchTarget - 1;
+ }
+ break;
+ case OPCODE_DP4:
+ {
+ GLfloat a[4], b[4], result[4];
+ fetch_vector4(ctx, &inst->SrcReg[0], machine, a);
+ fetch_vector4(ctx, &inst->SrcReg[1], machine, b);
+ result[0] = result[1] = result[2] = result[3] = DOT4(a, b);
+ store_vector4(inst, machine, result);
+ if (DEBUG_PROG) {
+ printf("DP4 %g = (%g, %g %g %g) . (%g, %g %g %g)\n",
+ result[0], a[0], a[1], a[2], a[3],
+ b[0], b[1], b[2], b[3]);
}
- break;
- case OPCODE_ELSE:
- /* goto ENDIF */
+ }
+ break;
+ case OPCODE_DPH:
+ {
+ GLfloat a[4], b[4], result[4];
+ fetch_vector4(ctx, &inst->SrcReg[0], machine, a);
+ fetch_vector4(ctx, &inst->SrcReg[1], machine, b);
+ result[0] = result[1] = result[2] = result[3] =
+ a[0] * b[0] + a[1] * b[1] + a[2] * b[2] + b[3];
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_DST: /* Distance vector */
+ {
+ GLfloat a[4], b[4], result[4];
+ fetch_vector4(ctx, &inst->SrcReg[0], machine, a);
+ fetch_vector4(ctx, &inst->SrcReg[1], machine, b);
+ result[0] = 1.0F;
+ result[1] = a[1] * b[1];
+ result[2] = a[2];
+ result[3] = b[3];
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_EX2: /* Exponential base 2 */
+ {
+ GLfloat a[4], result[4];
+ fetch_vector1(ctx, &inst->SrcReg[0], machine, a);
+ result[0] = result[1] = result[2] = result[3] =
+ (GLfloat) _mesa_pow(2.0, a[0]);
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_FLR:
+ {
+ GLfloat a[4], result[4];
+ fetch_vector4(ctx, &inst->SrcReg[0], machine, a);
+ result[0] = FLOORF(a[0]);
+ result[1] = FLOORF(a[1]);
+ result[2] = FLOORF(a[2]);
+ result[3] = FLOORF(a[3]);
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_FRC:
+ {
+ GLfloat a[4], result[4];
+ fetch_vector4(ctx, &inst->SrcReg[0], machine, a);
+ result[0] = a[0] - FLOORF(a[0]);
+ result[1] = a[1] - FLOORF(a[1]);
+ result[2] = a[2] - FLOORF(a[2]);
+ result[3] = a[3] - FLOORF(a[3]);
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_IF:
+ if (eval_condition(machine, inst)) {
+ /* do if-clause (just continue execution) */
+ }
+ else {
+ /* go to the instruction after ELSE or ENDIF */
assert(inst->BranchTarget >= 0);
pc = inst->BranchTarget - 1;
- break;
- case OPCODE_ENDIF:
- /* nothing */
- break;
- case OPCODE_INT: /* float to int */
- {
- GLfloat a[4], result[4];
- fetch_vector4( ctx, &inst->SrcReg[0], machine, 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 (conditional) */
- if (eval_condition(machine, inst)) {
+ }
+ break;
+ case OPCODE_ELSE:
+ /* goto ENDIF */
+ assert(inst->BranchTarget >= 0);
+ pc = inst->BranchTarget - 1;
+ break;
+ case OPCODE_ENDIF:
+ /* nothing */
+ break;
+ case OPCODE_INT: /* float to int */
+ {
+ GLfloat a[4], result[4];
+ fetch_vector4(ctx, &inst->SrcReg[0], machine, 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 (conditional) */
+ if (eval_condition(machine, inst)) {
+ return GL_FALSE;
+ }
+ break;
+ case OPCODE_KIL: /* ARB_f_p only */
+ {
+ GLfloat a[4];
+ fetch_vector4(ctx, &inst->SrcReg[0], machine, a);
+ if (a[0] < 0.0F || a[1] < 0.0F || a[2] < 0.0F || a[3] < 0.0F) {
return GL_FALSE;
}
- break;
- case OPCODE_KIL: /* ARB_f_p only */
- {
- GLfloat a[4];
- fetch_vector4( ctx, &inst->SrcReg[0], machine, a );
- if (a[0] < 0.0F || a[1] < 0.0F || a[2] < 0.0F || a[3] < 0.0F) {
- return GL_FALSE;
- }
- }
- break;
- case OPCODE_LG2: /* log base 2 */
- {
- GLfloat a[4], result[4];
- fetch_vector1( ctx, &inst->SrcReg[0], machine, a );
- result[0] = result[1] = result[2] = result[3] = LOG2(a[0]);
- store_vector4( inst, machine, result );
+ }
+ break;
+ case OPCODE_LG2: /* log base 2 */
+ {
+ GLfloat a[4], result[4];
+ fetch_vector1(ctx, &inst->SrcReg[0], machine, a);
+ result[0] = result[1] = result[2] = result[3] = LOG2(a[0]);
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_LIT:
+ {
+ const GLfloat epsilon = 1.0F / 256.0F; /* from NV VP spec */
+ GLfloat a[4], result[4];
+ fetch_vector4(ctx, &inst->SrcReg[0], machine, a);
+ a[0] = MAX2(a[0], 0.0F);
+ a[1] = MAX2(a[1], 0.0F);
+ /* XXX ARB version clamps a[3], NV version doesn't */
+ a[3] = CLAMP(a[3], -(128.0F - epsilon), (128.0F - epsilon));
+ result[0] = 1.0F;
+ result[1] = a[0];
+ /* XXX we could probably just use pow() here */
+ if (a[0] > 0.0F) {
+ if (a[1] == 0.0 && a[3] == 0.0)
+ result[2] = 1.0;
+ else
+ result[2] = EXPF(a[3] * LOGF(a[1]));
}
- break;
- case OPCODE_LIT:
- {
- const GLfloat epsilon = 1.0F / 256.0F; /* from NV VP spec */
- GLfloat a[4], result[4];
- fetch_vector4( ctx, &inst->SrcReg[0], machine, a );
- a[0] = MAX2(a[0], 0.0F);
- a[1] = MAX2(a[1], 0.0F);
- /* XXX ARB version clamps a[3], NV version doesn't */
- a[3] = CLAMP(a[3], -(128.0F - epsilon), (128.0F - epsilon));
- result[0] = 1.0F;
- result[1] = a[0];
- /* XXX we could probably just use pow() here */
- if (a[0] > 0.0F) {
- if (a[1] == 0.0 && a[3] == 0.0)
- result[2] = 1.0;
- else
- result[2] = EXPF(a[3] * LOGF(a[1]));
- }
- else {
- result[2] = 0.0;
- }
- result[3] = 1.0F;
- store_vector4( inst, machine, result );
- if (DEBUG_PROG) {
- printf("LIT (%g %g %g %g) : (%g %g %g %g)\n",
- result[0], result[1], result[2], result[3],
- a[0], a[1], a[2], a[3]);
- }
+ else {
+ result[2] = 0.0;
}
- break;
- case OPCODE_LRP:
- {
- GLfloat a[4], b[4], c[4], result[4];
- fetch_vector4( ctx, &inst->SrcReg[0], machine, a );
- fetch_vector4( ctx, &inst->SrcReg[1], machine, b );
- fetch_vector4( ctx, &inst->SrcReg[2], machine, c );
- result[0] = a[0] * b[0] + (1.0F - a[0]) * c[0];
- result[1] = a[1] * b[1] + (1.0F - a[1]) * c[1];
- result[2] = a[2] * b[2] + (1.0F - a[2]) * c[2];
- result[3] = a[3] * b[3] + (1.0F - a[3]) * c[3];
- store_vector4( inst, machine, result );
- if (DEBUG_PROG) {
- printf("LRP (%g %g %g %g) = (%g %g %g %g), "
- "(%g %g %g %g), (%g %g %g %g)\n",
- result[0], result[1], result[2], result[3],
- a[0], a[1], a[2], a[3],
- b[0], b[1], b[2], b[3],
- c[0], c[1], c[2], c[3]);
- }
+ result[3] = 1.0F;
+ store_vector4(inst, machine, result);
+ if (DEBUG_PROG) {
+ printf("LIT (%g %g %g %g) : (%g %g %g %g)\n",
+ result[0], result[1], result[2], result[3],
+ a[0], a[1], a[2], a[3]);
}
- break;
- case OPCODE_MAD:
- {
- GLfloat a[4], b[4], c[4], result[4];
- fetch_vector4( ctx, &inst->SrcReg[0], machine, a );
- fetch_vector4( ctx, &inst->SrcReg[1], machine, b );
- fetch_vector4( ctx, &inst->SrcReg[2], machine, c );
- result[0] = a[0] * b[0] + c[0];
- result[1] = a[1] * b[1] + c[1];
- result[2] = a[2] * b[2] + c[2];
- result[3] = a[3] * b[3] + c[3];
- store_vector4( inst, machine, result );
- if (DEBUG_PROG) {
- printf("MAD (%g %g %g %g) = (%g %g %g %g) * "
- "(%g %g %g %g) + (%g %g %g %g)\n",
- result[0], result[1], result[2], result[3],
- a[0], a[1], a[2], a[3],
- b[0], b[1], b[2], b[3],
- c[0], c[1], c[2], c[3]);
- }
+ }
+ break;
+ case OPCODE_LRP:
+ {
+ GLfloat a[4], b[4], c[4], result[4];
+ fetch_vector4(ctx, &inst->SrcReg[0], machine, a);
+ fetch_vector4(ctx, &inst->SrcReg[1], machine, b);
+ fetch_vector4(ctx, &inst->SrcReg[2], machine, c);
+ result[0] = a[0] * b[0] + (1.0F - a[0]) * c[0];
+ result[1] = a[1] * b[1] + (1.0F - a[1]) * c[1];
+ result[2] = a[2] * b[2] + (1.0F - a[2]) * c[2];
+ result[3] = a[3] * b[3] + (1.0F - a[3]) * c[3];
+ store_vector4(inst, machine, result);
+ if (DEBUG_PROG) {
+ printf("LRP (%g %g %g %g) = (%g %g %g %g), "
+ "(%g %g %g %g), (%g %g %g %g)\n",
+ result[0], result[1], result[2], result[3],
+ a[0], a[1], a[2], a[3],
+ b[0], b[1], b[2], b[3], c[0], c[1], c[2], c[3]);
}
- break;
- case OPCODE_MAX:
- {
- GLfloat a[4], b[4], result[4];
- fetch_vector4( ctx, &inst->SrcReg[0], machine, a );
- fetch_vector4( ctx, &inst->SrcReg[1], machine, b );
- result[0] = MAX2(a[0], b[0]);
- result[1] = MAX2(a[1], b[1]);
- result[2] = MAX2(a[2], b[2]);
- result[3] = MAX2(a[3], b[3]);
- store_vector4( inst, machine, result );
- if (DEBUG_PROG) {
- printf("MAX (%g %g %g %g) = (%g %g %g %g), (%g %g %g %g)\n",
- result[0], result[1], result[2], result[3],
- a[0], a[1], a[2], a[3],
- b[0], b[1], b[2], b[3]);
- }
+ }
+ break;
+ case OPCODE_MAD:
+ {
+ GLfloat a[4], b[4], c[4], result[4];
+ fetch_vector4(ctx, &inst->SrcReg[0], machine, a);
+ fetch_vector4(ctx, &inst->SrcReg[1], machine, b);
+ fetch_vector4(ctx, &inst->SrcReg[2], machine, c);
+ result[0] = a[0] * b[0] + c[0];
+ result[1] = a[1] * b[1] + c[1];
+ result[2] = a[2] * b[2] + c[2];
+ result[3] = a[3] * b[3] + c[3];
+ store_vector4(inst, machine, result);
+ if (DEBUG_PROG) {
+ printf("MAD (%g %g %g %g) = (%g %g %g %g) * "
+ "(%g %g %g %g) + (%g %g %g %g)\n",
+ result[0], result[1], result[2], result[3],
+ a[0], a[1], a[2], a[3],
+ b[0], b[1], b[2], b[3], c[0], c[1], c[2], c[3]);
}
- break;
- case OPCODE_MIN:
- {
- GLfloat a[4], b[4], result[4];
- fetch_vector4( ctx, &inst->SrcReg[0], machine, a );
- fetch_vector4( ctx, &inst->SrcReg[1], machine, b );
- result[0] = MIN2(a[0], b[0]);
- result[1] = MIN2(a[1], b[1]);
- result[2] = MIN2(a[2], b[2]);
- result[3] = MIN2(a[3], b[3]);
- store_vector4( inst, machine, result );
+ }
+ break;
+ case OPCODE_MAX:
+ {
+ GLfloat a[4], b[4], result[4];
+ fetch_vector4(ctx, &inst->SrcReg[0], machine, a);
+ fetch_vector4(ctx, &inst->SrcReg[1], machine, b);
+ result[0] = MAX2(a[0], b[0]);
+ result[1] = MAX2(a[1], b[1]);
+ result[2] = MAX2(a[2], b[2]);
+ result[3] = MAX2(a[3], b[3]);
+ store_vector4(inst, machine, result);
+ if (DEBUG_PROG) {
+ printf("MAX (%g %g %g %g) = (%g %g %g %g), (%g %g %g %g)\n",
+ result[0], result[1], result[2], result[3],
+ a[0], a[1], a[2], a[3], b[0], b[1], b[2], b[3]);
}
- break;
- case OPCODE_MOV:
- {
- GLfloat result[4];
- fetch_vector4( ctx, &inst->SrcReg[0], machine, result );
- store_vector4( inst, machine, result );
- if (DEBUG_PROG) {
- printf("MOV (%g %g %g %g)\n",
- result[0], result[1], result[2], result[3]);
- }
+ }
+ break;
+ case OPCODE_MIN:
+ {
+ GLfloat a[4], b[4], result[4];
+ fetch_vector4(ctx, &inst->SrcReg[0], machine, a);
+ fetch_vector4(ctx, &inst->SrcReg[1], machine, b);
+ result[0] = MIN2(a[0], b[0]);
+ result[1] = MIN2(a[1], b[1]);
+ result[2] = MIN2(a[2], b[2]);
+ result[3] = MIN2(a[3], b[3]);
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_MOV:
+ {
+ GLfloat result[4];
+ fetch_vector4(ctx, &inst->SrcReg[0], machine, result);
+ store_vector4(inst, machine, result);
+ if (DEBUG_PROG) {
+ printf("MOV (%g %g %g %g)\n",
+ result[0], result[1], result[2], result[3]);
}
- break;
- case OPCODE_MUL:
- {
- GLfloat a[4], b[4], result[4];
- fetch_vector4( ctx, &inst->SrcReg[0], machine, a );
- fetch_vector4( ctx, &inst->SrcReg[1], machine, b );
- result[0] = a[0] * b[0];
- result[1] = a[1] * b[1];
- result[2] = a[2] * b[2];
- result[3] = a[3] * b[3];
- store_vector4( inst, machine, result );
- if (DEBUG_PROG) {
- printf("MUL (%g %g %g %g) = (%g %g %g %g) * (%g %g %g %g)\n",
- result[0], result[1], result[2], result[3],
- a[0], a[1], a[2], a[3],
- b[0], b[1], b[2], b[3]);
- }
+ }
+ break;
+ case OPCODE_MUL:
+ {
+ GLfloat a[4], b[4], result[4];
+ fetch_vector4(ctx, &inst->SrcReg[0], machine, a);
+ fetch_vector4(ctx, &inst->SrcReg[1], machine, b);
+ result[0] = a[0] * b[0];
+ result[1] = a[1] * b[1];
+ result[2] = a[2] * b[2];
+ result[3] = a[3] * b[3];
+ store_vector4(inst, machine, result);
+ if (DEBUG_PROG) {
+ printf("MUL (%g %g %g %g) = (%g %g %g %g) * (%g %g %g %g)\n",
+ result[0], result[1], result[2], result[3],
+ a[0], a[1], a[2], a[3], b[0], b[1], b[2], b[3]);
}
- break;
- case OPCODE_NOISE1:
- {
- GLfloat a[4], result[4];
- fetch_vector1( ctx, &inst->SrcReg[0], machine, a );
- result[0] =
+ }
+ break;
+ case OPCODE_NOISE1:
+ {
+ GLfloat a[4], result[4];
+ fetch_vector1(ctx, &inst->SrcReg[0], machine, a);
+ result[0] =
result[1] =
- result[2] =
- result[3] = _slang_library_noise1(a[0]);
- store_vector4( inst, machine, result );
- }
- break;
- case OPCODE_NOISE2:
- {
- GLfloat a[4], result[4];
- fetch_vector4( ctx, &inst->SrcReg[0], machine, a );
- result[0] =
+ result[2] = result[3] = _slang_library_noise1(a[0]);
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_NOISE2:
+ {
+ GLfloat a[4], result[4];
+ fetch_vector4(ctx, &inst->SrcReg[0], machine, a);
+ result[0] =
result[1] =
- result[2] =
- result[3] = _slang_library_noise2(a[0], a[1]);
- store_vector4( inst, machine, result );
- }
- break;
- case OPCODE_NOISE3:
- {
- GLfloat a[4], result[4];
- fetch_vector4( ctx, &inst->SrcReg[0], machine, a );
- result[0] =
+ result[2] = result[3] = _slang_library_noise2(a[0], a[1]);
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_NOISE3:
+ {
+ GLfloat a[4], result[4];
+ fetch_vector4(ctx, &inst->SrcReg[0], machine, a);
+ result[0] =
result[1] =
result[2] =
result[3] = _slang_library_noise3(a[0], a[1], a[2]);
- store_vector4( inst, machine, result );
- }
- break;
- case OPCODE_NOISE4:
- {
- GLfloat a[4], result[4];
- fetch_vector4( ctx, &inst->SrcReg[0], machine, a );
- result[0] =
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_NOISE4:
+ {
+ GLfloat a[4], result[4];
+ fetch_vector4(ctx, &inst->SrcReg[0], machine, a);
+ result[0] =
result[1] =
result[2] =
result[3] = _slang_library_noise4(a[0], a[1], a[2], a[3]);
- store_vector4( inst, machine, result );
- }
- break;
- case OPCODE_NOP:
- break;
- case OPCODE_PK2H: /* pack two 16-bit floats in one 32-bit float */
- {
- GLfloat a[4], result[4];
- GLhalfNV hx, hy;
- GLuint *rawResult = (GLuint *) result;
- GLuint twoHalves;
- fetch_vector4( ctx, &inst->SrcReg[0], machine, a );
- hx = _mesa_float_to_half(a[0]);
- hy = _mesa_float_to_half(a[1]);
- twoHalves = hx | (hy << 16);
- rawResult[0] = rawResult[1] = rawResult[2] = rawResult[3]
- = twoHalves;
- store_vector4( inst, machine, result );
- }
- break;
- case OPCODE_PK2US: /* pack two GLushorts into one 32-bit float */
- {
- GLfloat a[4], result[4];
- GLuint usx, usy, *rawResult = (GLuint *) result;
- fetch_vector4( ctx, &inst->SrcReg[0], machine, a );
- a[0] = CLAMP(a[0], 0.0F, 1.0F);
- a[1] = CLAMP(a[1], 0.0F, 1.0F);
- usx = IROUND(a[0] * 65535.0F);
- usy = IROUND(a[1] * 65535.0F);
- rawResult[0] = rawResult[1] = rawResult[2] = rawResult[3]
- = usx | (usy << 16);
- store_vector4( inst, machine, result );
- }
- break;
- case OPCODE_PK4B: /* pack four GLbytes into one 32-bit float */
- {
- GLfloat a[4], result[4];
- GLuint ubx, uby, ubz, ubw, *rawResult = (GLuint *) result;
- fetch_vector4( ctx, &inst->SrcReg[0], machine, a );
- a[0] = CLAMP(a[0], -128.0F / 127.0F, 1.0F);
- a[1] = CLAMP(a[1], -128.0F / 127.0F, 1.0F);
- a[2] = CLAMP(a[2], -128.0F / 127.0F, 1.0F);
- a[3] = CLAMP(a[3], -128.0F / 127.0F, 1.0F);
- ubx = IROUND(127.0F * a[0] + 128.0F);
- uby = IROUND(127.0F * a[1] + 128.0F);
- ubz = IROUND(127.0F * a[2] + 128.0F);
- ubw = IROUND(127.0F * a[3] + 128.0F);
- rawResult[0] = rawResult[1] = rawResult[2] = rawResult[3]
- = ubx | (uby << 8) | (ubz << 16) | (ubw << 24);
- store_vector4( inst, machine, result );
- }
- break;
- case OPCODE_PK4UB: /* pack four GLubytes into one 32-bit float */
- {
- GLfloat a[4], result[4];
- GLuint ubx, uby, ubz, ubw, *rawResult = (GLuint *) result;
- fetch_vector4( ctx, &inst->SrcReg[0], machine, a );
- a[0] = CLAMP(a[0], 0.0F, 1.0F);
- a[1] = CLAMP(a[1], 0.0F, 1.0F);
- a[2] = CLAMP(a[2], 0.0F, 1.0F);
- a[3] = CLAMP(a[3], 0.0F, 1.0F);
- ubx = IROUND(255.0F * a[0]);
- uby = IROUND(255.0F * a[1]);
- ubz = IROUND(255.0F * a[2]);
- ubw = IROUND(255.0F * a[3]);
- rawResult[0] = rawResult[1] = rawResult[2] = rawResult[3]
- = ubx | (uby << 8) | (ubz << 16) | (ubw << 24);
- store_vector4( inst, machine, result );
- }
- break;
- case OPCODE_POW:
- {
- GLfloat a[4], b[4], result[4];
- fetch_vector1( ctx, &inst->SrcReg[0], machine, a );
- fetch_vector1( ctx, &inst->SrcReg[1], machine, b );
- result[0] = result[1] = result[2] = result[3]
- = (GLfloat)_mesa_pow(a[0], b[0]);
- store_vector4( inst, machine, result );
- }
- break;
- case OPCODE_RCP:
- {
- GLfloat a[4], result[4];
- fetch_vector1( ctx, &inst->SrcReg[0], machine, a );
- if (DEBUG_PROG) {
- if (a[0] == 0)
- printf("RCP(0)\n");
- else if (IS_INF_OR_NAN(a[0]))
- printf("RCP(inf)\n");
- }
- result[0] = result[1] = result[2] = result[3] = 1.0F / a[0];
- store_vector4( inst, machine, result );
- }
- break;
- case OPCODE_RET: /* return from subroutine (conditional) */
- if (eval_condition(machine, inst)) {
- if (machine->StackDepth == 0) {
- return GL_TRUE; /* Per GL_NV_vertex_program2 spec */
- }
- pc = machine->CallStack[--machine->StackDepth];
- }
- break;
- case OPCODE_RFL: /* reflection vector */
- {
- GLfloat axis[4], dir[4], result[4], tmpX, tmpW;
- fetch_vector4( ctx, &inst->SrcReg[0], machine, axis );
- fetch_vector4( ctx, &inst->SrcReg[1], machine, dir );
- tmpW = DOT3(axis, axis);
- tmpX = (2.0F * DOT3(axis, dir)) / tmpW;
- result[0] = tmpX * axis[0] - dir[0];
- result[1] = tmpX * axis[1] - dir[1];
- result[2] = tmpX * axis[2] - dir[2];
- /* result[3] is never written! XXX enforce in parser! */
- store_vector4( inst, machine, result );
- }
- break;
- case OPCODE_RSQ: /* 1 / sqrt() */
- {
- GLfloat a[4], result[4];
- fetch_vector1( ctx, &inst->SrcReg[0], machine, a );
- a[0] = FABSF(a[0]);
- result[0] = result[1] = result[2] = result[3] = INV_SQRTF(a[0]);
- store_vector4( inst, machine, result );
- if (DEBUG_PROG) {
- printf("RSQ %g = 1/sqrt(|%g|)\n", result[0], a[0]);
- }
- }
- break;
- case OPCODE_SCS: /* sine and cos */
- {
- GLfloat a[4], result[4];
- fetch_vector1( ctx, &inst->SrcReg[0], machine, a );
- result[0] = (GLfloat) _mesa_cos(a[0]);
- result[1] = (GLfloat) _mesa_sin(a[0]);
- result[2] = 0.0; /* undefined! */
- result[3] = 0.0; /* undefined! */
- store_vector4( inst, machine, result );
- }
- break;
- case OPCODE_SEQ: /* set on equal */
- {
- GLfloat a[4], b[4], result[4];
- fetch_vector4( ctx, &inst->SrcReg[0], machine, a );
- fetch_vector4( ctx, &inst->SrcReg[1], machine, b );
- result[0] = (a[0] == b[0]) ? 1.0F : 0.0F;
- result[1] = (a[1] == b[1]) ? 1.0F : 0.0F;
- result[2] = (a[2] == b[2]) ? 1.0F : 0.0F;
- result[3] = (a[3] == b[3]) ? 1.0F : 0.0F;
- store_vector4( inst, machine, result );
- }
- break;
- case OPCODE_SFL: /* set false, operands ignored */
- {
- static const GLfloat result[4] = { 0.0F, 0.0F, 0.0F, 0.0F };
- store_vector4( inst, machine, result );
- }
- break;
- case OPCODE_SGE: /* set on greater or equal */
- {
- GLfloat a[4], b[4], result[4];
- fetch_vector4( ctx, &inst->SrcReg[0], machine, a );
- fetch_vector4( ctx, &inst->SrcReg[1], machine, b );
- result[0] = (a[0] >= b[0]) ? 1.0F : 0.0F;
- result[1] = (a[1] >= b[1]) ? 1.0F : 0.0F;
- result[2] = (a[2] >= b[2]) ? 1.0F : 0.0F;
- result[3] = (a[3] >= b[3]) ? 1.0F : 0.0F;
- store_vector4( inst, machine, result );
- }
- break;
- case OPCODE_SGT: /* set on greater */
- {
- GLfloat a[4], b[4], result[4];
- fetch_vector4( ctx, &inst->SrcReg[0], machine, a );
- fetch_vector4( ctx, &inst->SrcReg[1], machine, b );
- result[0] = (a[0] > b[0]) ? 1.0F : 0.0F;
- result[1] = (a[1] > b[1]) ? 1.0F : 0.0F;
- result[2] = (a[2] > b[2]) ? 1.0F : 0.0F;
- result[3] = (a[3] > b[3]) ? 1.0F : 0.0F;
- store_vector4( inst, machine, result );
- if (DEBUG_PROG) {
- printf("SGT %g %g %g %g\n",
- result[0], result[1], result[2], result[3]);
- }
- }
- break;
- case OPCODE_SIN:
- {
- GLfloat a[4], result[4];
- fetch_vector1( ctx, &inst->SrcReg[0], machine, a );
- result[0] = result[1] = result[2] = result[3]
- = (GLfloat) _mesa_sin(a[0]);
- store_vector4( inst, machine, result );
- }
- break;
- case OPCODE_SLE: /* set on less or equal */
- {
- GLfloat a[4], b[4], result[4];
- fetch_vector4( ctx, &inst->SrcReg[0], machine, a );
- fetch_vector4( ctx, &inst->SrcReg[1], machine, b );
- result[0] = (a[0] <= b[0]) ? 1.0F : 0.0F;
- result[1] = (a[1] <= b[1]) ? 1.0F : 0.0F;
- result[2] = (a[2] <= b[2]) ? 1.0F : 0.0F;
- result[3] = (a[3] <= b[3]) ? 1.0F : 0.0F;
- store_vector4( inst, machine, result );
- }
- break;
- case OPCODE_SLT: /* set on less */
- {
- GLfloat a[4], b[4], result[4];
- fetch_vector4( ctx, &inst->SrcReg[0], machine, a );
- fetch_vector4( ctx, &inst->SrcReg[1], machine, b );
- result[0] = (a[0] < b[0]) ? 1.0F : 0.0F;
- result[1] = (a[1] < b[1]) ? 1.0F : 0.0F;
- result[2] = (a[2] < b[2]) ? 1.0F : 0.0F;
- result[3] = (a[3] < b[3]) ? 1.0F : 0.0F;
- store_vector4( inst, machine, result );
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_NOP:
+ break;
+ case OPCODE_PK2H: /* pack two 16-bit floats in one 32-bit float */
+ {
+ GLfloat a[4], result[4];
+ GLhalfNV hx, hy;
+ GLuint *rawResult = (GLuint *) result;
+ GLuint twoHalves;
+ fetch_vector4(ctx, &inst->SrcReg[0], machine, a);
+ hx = _mesa_float_to_half(a[0]);
+ hy = _mesa_float_to_half(a[1]);
+ twoHalves = hx | (hy << 16);
+ rawResult[0] = rawResult[1] = rawResult[2] = rawResult[3]
+ = twoHalves;
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_PK2US: /* pack two GLushorts into one 32-bit float */
+ {
+ GLfloat a[4], result[4];
+ GLuint usx, usy, *rawResult = (GLuint *) result;
+ fetch_vector4(ctx, &inst->SrcReg[0], machine, a);
+ a[0] = CLAMP(a[0], 0.0F, 1.0F);
+ a[1] = CLAMP(a[1], 0.0F, 1.0F);
+ usx = IROUND(a[0] * 65535.0F);
+ usy = IROUND(a[1] * 65535.0F);
+ rawResult[0] = rawResult[1] = rawResult[2] = rawResult[3]
+ = usx | (usy << 16);
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_PK4B: /* pack four GLbytes into one 32-bit float */
+ {
+ GLfloat a[4], result[4];
+ GLuint ubx, uby, ubz, ubw, *rawResult = (GLuint *) result;
+ fetch_vector4(ctx, &inst->SrcReg[0], machine, a);
+ a[0] = CLAMP(a[0], -128.0F / 127.0F, 1.0F);
+ a[1] = CLAMP(a[1], -128.0F / 127.0F, 1.0F);
+ a[2] = CLAMP(a[2], -128.0F / 127.0F, 1.0F);
+ a[3] = CLAMP(a[3], -128.0F / 127.0F, 1.0F);
+ ubx = IROUND(127.0F * a[0] + 128.0F);
+ uby = IROUND(127.0F * a[1] + 128.0F);
+ ubz = IROUND(127.0F * a[2] + 128.0F);
+ ubw = IROUND(127.0F * a[3] + 128.0F);
+ rawResult[0] = rawResult[1] = rawResult[2] = rawResult[3]
+ = ubx | (uby << 8) | (ubz << 16) | (ubw << 24);
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_PK4UB: /* pack four GLubytes into one 32-bit float */
+ {
+ GLfloat a[4], result[4];
+ GLuint ubx, uby, ubz, ubw, *rawResult = (GLuint *) result;
+ fetch_vector4(ctx, &inst->SrcReg[0], machine, a);
+ a[0] = CLAMP(a[0], 0.0F, 1.0F);
+ a[1] = CLAMP(a[1], 0.0F, 1.0F);
+ a[2] = CLAMP(a[2], 0.0F, 1.0F);
+ a[3] = CLAMP(a[3], 0.0F, 1.0F);
+ ubx = IROUND(255.0F * a[0]);
+ uby = IROUND(255.0F * a[1]);
+ ubz = IROUND(255.0F * a[2]);
+ ubw = IROUND(255.0F * a[3]);
+ rawResult[0] = rawResult[1] = rawResult[2] = rawResult[3]
+ = ubx | (uby << 8) | (ubz << 16) | (ubw << 24);
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_POW:
+ {
+ GLfloat a[4], b[4], result[4];
+ fetch_vector1(ctx, &inst->SrcReg[0], machine, a);
+ fetch_vector1(ctx, &inst->SrcReg[1], machine, b);
+ result[0] = result[1] = result[2] = result[3]
+ = (GLfloat) _mesa_pow(a[0], b[0]);
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_RCP:
+ {
+ GLfloat a[4], result[4];
+ fetch_vector1(ctx, &inst->SrcReg[0], machine, a);
+ if (DEBUG_PROG) {
+ if (a[0] == 0)
+ printf("RCP(0)\n");
+ else if (IS_INF_OR_NAN(a[0]))
+ printf("RCP(inf)\n");
+ }
+ result[0] = result[1] = result[2] = result[3] = 1.0F / a[0];
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_RET: /* return from subroutine (conditional) */
+ if (eval_condition(machine, inst)) {
+ if (machine->StackDepth == 0) {
+ return GL_TRUE; /* Per GL_NV_vertex_program2 spec */
}
- break;
- case OPCODE_SNE: /* set on not equal */
- {
- GLfloat a[4], b[4], result[4];
- fetch_vector4( ctx, &inst->SrcReg[0], machine, a );
- fetch_vector4( ctx, &inst->SrcReg[1], machine, b );
- result[0] = (a[0] != b[0]) ? 1.0F : 0.0F;
- result[1] = (a[1] != b[1]) ? 1.0F : 0.0F;
- result[2] = (a[2] != b[2]) ? 1.0F : 0.0F;
- result[3] = (a[3] != b[3]) ? 1.0F : 0.0F;
- store_vector4( inst, machine, result );
+ pc = machine->CallStack[--machine->StackDepth];
+ }
+ break;
+ case OPCODE_RFL: /* reflection vector */
+ {
+ GLfloat axis[4], dir[4], result[4], tmpX, tmpW;
+ fetch_vector4(ctx, &inst->SrcReg[0], machine, axis);
+ fetch_vector4(ctx, &inst->SrcReg[1], machine, dir);
+ tmpW = DOT3(axis, axis);
+ tmpX = (2.0F * DOT3(axis, dir)) / tmpW;
+ result[0] = tmpX * axis[0] - dir[0];
+ result[1] = tmpX * axis[1] - dir[1];
+ result[2] = tmpX * axis[2] - dir[2];
+ /* result[3] is never written! XXX enforce in parser! */
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_RSQ: /* 1 / sqrt() */
+ {
+ GLfloat a[4], result[4];
+ fetch_vector1(ctx, &inst->SrcReg[0], machine, a);
+ a[0] = FABSF(a[0]);
+ result[0] = result[1] = result[2] = result[3] = INV_SQRTF(a[0]);
+ store_vector4(inst, machine, result);
+ if (DEBUG_PROG) {
+ printf("RSQ %g = 1/sqrt(|%g|)\n", result[0], a[0]);
}
- break;
- case OPCODE_STR: /* set true, operands ignored */
- {
- static const GLfloat result[4] = { 1.0F, 1.0F, 1.0F, 1.0F };
- store_vector4( inst, machine, result );
+ }
+ break;
+ case OPCODE_SCS: /* sine and cos */
+ {
+ GLfloat a[4], result[4];
+ fetch_vector1(ctx, &inst->SrcReg[0], machine, a);
+ result[0] = (GLfloat) _mesa_cos(a[0]);
+ result[1] = (GLfloat) _mesa_sin(a[0]);
+ result[2] = 0.0; /* undefined! */
+ result[3] = 0.0; /* undefined! */
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_SEQ: /* set on equal */
+ {
+ GLfloat a[4], b[4], result[4];
+ fetch_vector4(ctx, &inst->SrcReg[0], machine, a);
+ fetch_vector4(ctx, &inst->SrcReg[1], machine, b);
+ result[0] = (a[0] == b[0]) ? 1.0F : 0.0F;
+ result[1] = (a[1] == b[1]) ? 1.0F : 0.0F;
+ result[2] = (a[2] == b[2]) ? 1.0F : 0.0F;
+ result[3] = (a[3] == b[3]) ? 1.0F : 0.0F;
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_SFL: /* set false, operands ignored */
+ {
+ static const GLfloat result[4] = { 0.0F, 0.0F, 0.0F, 0.0F };
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_SGE: /* set on greater or equal */
+ {
+ GLfloat a[4], b[4], result[4];
+ fetch_vector4(ctx, &inst->SrcReg[0], machine, a);
+ fetch_vector4(ctx, &inst->SrcReg[1], machine, b);
+ result[0] = (a[0] >= b[0]) ? 1.0F : 0.0F;
+ result[1] = (a[1] >= b[1]) ? 1.0F : 0.0F;
+ result[2] = (a[2] >= b[2]) ? 1.0F : 0.0F;
+ result[3] = (a[3] >= b[3]) ? 1.0F : 0.0F;
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_SGT: /* set on greater */
+ {
+ GLfloat a[4], b[4], result[4];
+ fetch_vector4(ctx, &inst->SrcReg[0], machine, a);
+ fetch_vector4(ctx, &inst->SrcReg[1], machine, b);
+ result[0] = (a[0] > b[0]) ? 1.0F : 0.0F;
+ result[1] = (a[1] > b[1]) ? 1.0F : 0.0F;
+ result[2] = (a[2] > b[2]) ? 1.0F : 0.0F;
+ result[3] = (a[3] > b[3]) ? 1.0F : 0.0F;
+ store_vector4(inst, machine, result);
+ if (DEBUG_PROG) {
+ printf("SGT %g %g %g %g\n",
+ result[0], result[1], result[2], result[3]);
}
- break;
- case OPCODE_SUB:
- {
- GLfloat a[4], b[4], result[4];
- fetch_vector4( ctx, &inst->SrcReg[0], machine, a );
- fetch_vector4( ctx, &inst->SrcReg[1], machine, b );
- result[0] = a[0] - b[0];
- result[1] = a[1] - b[1];
- result[2] = a[2] - b[2];
- result[3] = a[3] - b[3];
- store_vector4( inst, machine, result );
- if (DEBUG_PROG) {
- printf("SUB (%g %g %g %g) = (%g %g %g %g) - (%g %g %g %g)\n",
- result[0], result[1], result[2], result[3],
- a[0], a[1], a[2], a[3], b[0], b[1], b[2], b[3]);
- }
+ }
+ break;
+ case OPCODE_SIN:
+ {
+ GLfloat a[4], result[4];
+ fetch_vector1(ctx, &inst->SrcReg[0], machine, a);
+ result[0] = result[1] = result[2] = result[3]
+ = (GLfloat) _mesa_sin(a[0]);
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_SLE: /* set on less or equal */
+ {
+ GLfloat a[4], b[4], result[4];
+ fetch_vector4(ctx, &inst->SrcReg[0], machine, a);
+ fetch_vector4(ctx, &inst->SrcReg[1], machine, b);
+ result[0] = (a[0] <= b[0]) ? 1.0F : 0.0F;
+ result[1] = (a[1] <= b[1]) ? 1.0F : 0.0F;
+ result[2] = (a[2] <= b[2]) ? 1.0F : 0.0F;
+ result[3] = (a[3] <= b[3]) ? 1.0F : 0.0F;
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_SLT: /* set on less */
+ {
+ GLfloat a[4], b[4], result[4];
+ fetch_vector4(ctx, &inst->SrcReg[0], machine, a);
+ fetch_vector4(ctx, &inst->SrcReg[1], machine, b);
+ result[0] = (a[0] < b[0]) ? 1.0F : 0.0F;
+ result[1] = (a[1] < b[1]) ? 1.0F : 0.0F;
+ result[2] = (a[2] < b[2]) ? 1.0F : 0.0F;
+ result[3] = (a[3] < b[3]) ? 1.0F : 0.0F;
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_SNE: /* set on not equal */
+ {
+ GLfloat a[4], b[4], result[4];
+ fetch_vector4(ctx, &inst->SrcReg[0], machine, a);
+ fetch_vector4(ctx, &inst->SrcReg[1], machine, b);
+ result[0] = (a[0] != b[0]) ? 1.0F : 0.0F;
+ result[1] = (a[1] != b[1]) ? 1.0F : 0.0F;
+ result[2] = (a[2] != b[2]) ? 1.0F : 0.0F;
+ result[3] = (a[3] != b[3]) ? 1.0F : 0.0F;
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_STR: /* set true, operands ignored */
+ {
+ static const GLfloat result[4] = { 1.0F, 1.0F, 1.0F, 1.0F };
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_SUB:
+ {
+ GLfloat a[4], b[4], result[4];
+ fetch_vector4(ctx, &inst->SrcReg[0], machine, a);
+ fetch_vector4(ctx, &inst->SrcReg[1], machine, b);
+ result[0] = a[0] - b[0];
+ result[1] = a[1] - b[1];
+ result[2] = a[2] - b[2];
+ result[3] = a[3] - b[3];
+ store_vector4(inst, machine, result);
+ if (DEBUG_PROG) {
+ printf("SUB (%g %g %g %g) = (%g %g %g %g) - (%g %g %g %g)\n",
+ result[0], result[1], result[2], result[3],
+ a[0], a[1], a[2], a[3], b[0], b[1], b[2], b[3]);
}
- break;
- case OPCODE_SWZ: /* extended swizzle */
- {
- const struct prog_src_register *source = &inst->SrcReg[0];
- const GLfloat *src = get_register_pointer(ctx, source, machine);
- GLfloat result[4];
- GLuint i;
- for (i = 0; i < 4; i++) {
- const GLuint swz = GET_SWZ(source->Swizzle, i);
- if (swz == SWIZZLE_ZERO)
- result[i] = 0.0;
- else if (swz == SWIZZLE_ONE)
- result[i] = 1.0;
- else {
- ASSERT(swz >= 0);
- ASSERT(swz <= 3);
- result[i] = src[swz];
- }
- if (source->NegateBase & (1 << i))
- result[i] = -result[i];
+ }
+ break;
+ case OPCODE_SWZ: /* extended swizzle */
+ {
+ const struct prog_src_register *source = &inst->SrcReg[0];
+ const GLfloat *src = get_register_pointer(ctx, source, machine);
+ GLfloat result[4];
+ GLuint i;
+ for (i = 0; i < 4; i++) {
+ const GLuint swz = GET_SWZ(source->Swizzle, i);
+ if (swz == SWIZZLE_ZERO)
+ result[i] = 0.0;
+ else if (swz == SWIZZLE_ONE)
+ result[i] = 1.0;
+ else {
+ ASSERT(swz >= 0);
+ ASSERT(swz <= 3);
+ result[i] = src[swz];
}
- store_vector4( inst, machine, result );
+ if (source->NegateBase & (1 << i))
+ result[i] = -result[i];
}
- break;
- case OPCODE_TEX: /* Both ARB and NV frag prog */
- /* Texel lookup */
- {
- /* Note: only use the precomputed lambda value when we're
- * sampling texture unit [K] with texcoord[K].
- * Otherwise, the lambda value may have no relation to the
- * instruction's texcoord or texture image. Using the wrong
- * lambda is usually bad news.
- * The rest of the time, just use zero (until we get a more
- * sophisticated way of computing lambda).
- */
- GLfloat coord[4], color[4], lambda;
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_TEX: /* Both ARB and NV frag prog */
+ /* Texel lookup */
+ {
+ /* Note: only use the precomputed lambda value when we're
+ * sampling texture unit [K] with texcoord[K].
+ * Otherwise, the lambda value may have no relation to the
+ * instruction's texcoord or texture image. Using the wrong
+ * lambda is usually bad news.
+ * The rest of the time, just use zero (until we get a more
+ * sophisticated way of computing lambda).
+ */
+ GLfloat coord[4], color[4], lambda;
#if 0
- if (inst->SrcReg[0].File == PROGRAM_INPUT &&
- inst->SrcReg[0].Index == FRAG_ATTRIB_TEX0+inst->TexSrcUnit)
- lambda = span->array->lambda[inst->TexSrcUnit][column];
- else
+ if (inst->SrcReg[0].File == PROGRAM_INPUT &&
+ inst->SrcReg[0].Index == FRAG_ATTRIB_TEX0 + inst->TexSrcUnit)
+ lambda = span->array->lambda[inst->TexSrcUnit][column];
+ else
#endif
- lambda = 0.0;
- fetch_vector4(ctx, &inst->SrcReg[0], machine, coord);
- machine->FetchTexelLod(ctx, coord, lambda, inst->TexSrcUnit, color);
- if (DEBUG_PROG) {
- printf("TEX (%g, %g, %g, %g) = texture[%d][%g, %g, %g, %g], "
- "lod %f\n",
- color[0], color[1], color[2], color[3],
- inst->TexSrcUnit,
- coord[0], coord[1], coord[2], coord[3], lambda);
- }
- store_vector4( inst, machine, color );
- }
- break;
- case OPCODE_TXB: /* GL_ARB_fragment_program only */
- /* Texel lookup with LOD bias */
- {
- const struct gl_texture_unit *texUnit
- = &ctx->Texture.Unit[inst->TexSrcUnit];
- GLfloat coord[4], color[4], lambda, bias;
+ lambda = 0.0;
+ fetch_vector4(ctx, &inst->SrcReg[0], machine, coord);
+ machine->FetchTexelLod(ctx, coord, lambda, inst->TexSrcUnit,
+ color);
+ if (DEBUG_PROG) {
+ printf("TEX (%g, %g, %g, %g) = texture[%d][%g, %g, %g, %g], "
+ "lod %f\n",
+ color[0], color[1], color[2], color[3],
+ inst->TexSrcUnit,
+ coord[0], coord[1], coord[2], coord[3], lambda);
+ }
+ store_vector4(inst, machine, color);
+ }
+ break;
+ case OPCODE_TXB: /* GL_ARB_fragment_program only */
+ /* Texel lookup with LOD bias */
+ {
+ const struct gl_texture_unit *texUnit
+ = &ctx->Texture.Unit[inst->TexSrcUnit];
+ GLfloat coord[4], color[4], lambda, bias;
#if 0
- if (inst->SrcReg[0].File == PROGRAM_INPUT &&
- inst->SrcReg[0].Index == FRAG_ATTRIB_TEX0+inst->TexSrcUnit)
- lambda = span->array->lambda[inst->TexSrcUnit][column];
- else
+ if (inst->SrcReg[0].File == PROGRAM_INPUT &&
+ inst->SrcReg[0].Index == FRAG_ATTRIB_TEX0 + inst->TexSrcUnit)
+ lambda = span->array->lambda[inst->TexSrcUnit][column];
+ else
#endif
- lambda = 0.0;
- fetch_vector4(ctx, &inst->SrcReg[0], machine, coord);
- /* coord[3] is the bias to add to lambda */
- bias = texUnit->LodBias + coord[3];
- if (texUnit->_Current)
- bias += texUnit->_Current->LodBias;
- machine->FetchTexelLod(ctx, coord, lambda + bias,
- inst->TexSrcUnit, color);
- store_vector4( inst, machine, color );
- }
- break;
- case OPCODE_TXD: /* GL_NV_fragment_program only */
- /* Texture lookup w/ partial derivatives for LOD */
- {
- GLfloat texcoord[4], dtdx[4], dtdy[4], color[4];
- fetch_vector4( ctx, &inst->SrcReg[0], machine, texcoord );
- fetch_vector4( ctx, &inst->SrcReg[1], machine, dtdx );
- fetch_vector4( ctx, &inst->SrcReg[2], machine, dtdy );
- machine->FetchTexelDeriv(ctx, texcoord, dtdx, dtdy,
- inst->TexSrcUnit, color );
- store_vector4( inst, machine, color );
- }
- break;
- case OPCODE_TXP: /* GL_ARB_fragment_program only */
- /* Texture lookup w/ projective divide */
- {
- GLfloat texcoord[4], color[4], lambda;
+ lambda = 0.0;
+ fetch_vector4(ctx, &inst->SrcReg[0], machine, coord);
+ /* coord[3] is the bias to add to lambda */
+ bias = texUnit->LodBias + coord[3];
+ if (texUnit->_Current)
+ bias += texUnit->_Current->LodBias;
+ machine->FetchTexelLod(ctx, coord, lambda + bias,
+ inst->TexSrcUnit, color);
+ store_vector4(inst, machine, color);
+ }
+ break;
+ case OPCODE_TXD: /* GL_NV_fragment_program only */
+ /* Texture lookup w/ partial derivatives for LOD */
+ {
+ GLfloat texcoord[4], dtdx[4], dtdy[4], color[4];
+ fetch_vector4(ctx, &inst->SrcReg[0], machine, texcoord);
+ fetch_vector4(ctx, &inst->SrcReg[1], machine, dtdx);
+ fetch_vector4(ctx, &inst->SrcReg[2], machine, dtdy);
+ machine->FetchTexelDeriv(ctx, texcoord, dtdx, dtdy,
+ inst->TexSrcUnit, color);
+ store_vector4(inst, machine, color);
+ }
+ break;
+ case OPCODE_TXP: /* GL_ARB_fragment_program only */
+ /* Texture lookup w/ projective divide */
+ {
+ GLfloat texcoord[4], color[4], lambda;
#if 0
- if (inst->SrcReg[0].File == PROGRAM_INPUT &&
- inst->SrcReg[0].Index == FRAG_ATTRIB_TEX0+inst->TexSrcUnit)
- lambda = span->array->lambda[inst->TexSrcUnit][column];
- else
+ if (inst->SrcReg[0].File == PROGRAM_INPUT &&
+ inst->SrcReg[0].Index == FRAG_ATTRIB_TEX0 + inst->TexSrcUnit)
+ lambda = span->array->lambda[inst->TexSrcUnit][column];
+ else
#endif
- lambda = 0.0;
- fetch_vector4(ctx, &inst->SrcReg[0], machine, texcoord);
- /* Not so sure about this test - if texcoord[3] is
- * zero, we'd probably be fine except for an ASSERT in
- * IROUND_POS() which gets triggered by the inf values created.
- */
- if (texcoord[3] != 0.0) {
- texcoord[0] /= texcoord[3];
- texcoord[1] /= texcoord[3];
- texcoord[2] /= texcoord[3];
- }
- machine->FetchTexelLod(ctx, texcoord, lambda,
- inst->TexSrcUnit, color);
- store_vector4( inst, machine, color );
- }
- break;
- case OPCODE_TXP_NV: /* GL_NV_fragment_program only */
- /* Texture lookup w/ projective divide */
- {
- GLfloat texcoord[4], color[4], lambda;
+ lambda = 0.0;
+ fetch_vector4(ctx, &inst->SrcReg[0], machine, texcoord);
+ /* Not so sure about this test - if texcoord[3] is
+ * zero, we'd probably be fine except for an ASSERT in
+ * IROUND_POS() which gets triggered by the inf values created.
+ */
+ if (texcoord[3] != 0.0) {
+ texcoord[0] /= texcoord[3];
+ texcoord[1] /= texcoord[3];
+ texcoord[2] /= texcoord[3];
+ }
+ machine->FetchTexelLod(ctx, texcoord, lambda,
+ inst->TexSrcUnit, color);
+ store_vector4(inst, machine, color);
+ }
+ break;
+ case OPCODE_TXP_NV: /* GL_NV_fragment_program only */
+ /* Texture lookup w/ projective divide */
+ {
+ GLfloat texcoord[4], color[4], lambda;
#if 0
- if (inst->SrcReg[0].File == PROGRAM_INPUT &&
- inst->SrcReg[0].Index == FRAG_ATTRIB_TEX0+inst->TexSrcUnit)
- lambda = span->array->lambda[inst->TexSrcUnit][column];
- else
+ if (inst->SrcReg[0].File == PROGRAM_INPUT &&
+ inst->SrcReg[0].Index == FRAG_ATTRIB_TEX0 + inst->TexSrcUnit)
+ lambda = span->array->lambda[inst->TexSrcUnit][column];
+ else
#endif
- lambda = 0.0;
- fetch_vector4(ctx, &inst->SrcReg[0], machine, texcoord);
- if (inst->TexSrcTarget != TEXTURE_CUBE_INDEX &&
- texcoord[3] != 0.0) {
- texcoord[0] /= texcoord[3];
- texcoord[1] /= texcoord[3];
- texcoord[2] /= texcoord[3];
- }
- machine->FetchTexelLod(ctx, texcoord, lambda,
- inst->TexSrcUnit, color);
- store_vector4( inst, machine, color );
- }
- break;
- case OPCODE_UP2H: /* unpack two 16-bit floats */
- {
- GLfloat a[4], result[4];
- const GLuint *rawBits = (const GLuint *) a;
- GLhalfNV hx, hy;
- fetch_vector1( ctx, &inst->SrcReg[0], machine, a );
- hx = rawBits[0] & 0xffff;
- hy = rawBits[0] >> 16;
- result[0] = result[2] = _mesa_half_to_float(hx);
- result[1] = result[3] = _mesa_half_to_float(hy);
- store_vector4( inst, machine, result );
- }
- break;
- case OPCODE_UP2US: /* unpack two GLushorts */
- {
- GLfloat a[4], result[4];
- const GLuint *rawBits = (const GLuint *) a;
- GLushort usx, usy;
- fetch_vector1( ctx, &inst->SrcReg[0], machine, a );
- usx = rawBits[0] & 0xffff;
- usy = rawBits[0] >> 16;
- result[0] = result[2] = usx * (1.0f / 65535.0f);
- result[1] = result[3] = usy * (1.0f / 65535.0f);
- store_vector4( inst, machine, result );
- }
- break;
- case OPCODE_UP4B: /* unpack four GLbytes */
- {
- GLfloat a[4], result[4];
- const GLuint *rawBits = (const GLuint *) a;
- fetch_vector1( ctx, &inst->SrcReg[0], machine, a );
- result[0] = (((rawBits[0] >> 0) & 0xff) - 128) / 127.0F;
- result[1] = (((rawBits[0] >> 8) & 0xff) - 128) / 127.0F;
- result[2] = (((rawBits[0] >> 16) & 0xff) - 128) / 127.0F;
- result[3] = (((rawBits[0] >> 24) & 0xff) - 128) / 127.0F;
- store_vector4( inst, machine, result );
- }
- break;
- case OPCODE_UP4UB: /* unpack four GLubytes */
- {
- GLfloat a[4], result[4];
- const GLuint *rawBits = (const GLuint *) a;
- fetch_vector1( ctx, &inst->SrcReg[0], machine, a );
- result[0] = ((rawBits[0] >> 0) & 0xff) / 255.0F;
- result[1] = ((rawBits[0] >> 8) & 0xff) / 255.0F;
- result[2] = ((rawBits[0] >> 16) & 0xff) / 255.0F;
- result[3] = ((rawBits[0] >> 24) & 0xff) / 255.0F;
- store_vector4( inst, machine, result );
- }
- break;
- case OPCODE_XPD: /* cross product */
- {
- GLfloat a[4], b[4], result[4];
- fetch_vector4( ctx, &inst->SrcReg[0], machine, a );
- fetch_vector4( ctx, &inst->SrcReg[1], machine, b );
- result[0] = a[1] * b[2] - a[2] * b[1];
- result[1] = a[2] * b[0] - a[0] * b[2];
- result[2] = a[0] * b[1] - a[1] * b[0];
- result[3] = 1.0;
- store_vector4( inst, machine, result );
- }
- break;
- case OPCODE_X2D: /* 2-D matrix transform */
- {
- GLfloat a[4], b[4], c[4], result[4];
- fetch_vector4( ctx, &inst->SrcReg[0], machine, a );
- fetch_vector4( ctx, &inst->SrcReg[1], machine, b );
- fetch_vector4( ctx, &inst->SrcReg[2], machine, c );
- result[0] = a[0] + b[0] * c[0] + b[1] * c[1];
- result[1] = a[1] + b[0] * c[2] + b[1] * c[3];
- result[2] = a[2] + b[0] * c[0] + b[1] * c[1];
- result[3] = a[3] + b[0] * c[2] + b[1] * c[3];
- store_vector4( inst, machine, result );
+ lambda = 0.0;
+ fetch_vector4(ctx, &inst->SrcReg[0], machine, texcoord);
+ if (inst->TexSrcTarget != TEXTURE_CUBE_INDEX &&
+ texcoord[3] != 0.0) {
+ texcoord[0] /= texcoord[3];
+ texcoord[1] /= texcoord[3];
+ texcoord[2] /= texcoord[3];
+ }
+ machine->FetchTexelLod(ctx, texcoord, lambda,
+ inst->TexSrcUnit, color);
+ store_vector4(inst, machine, color);
+ }
+ break;
+ case OPCODE_UP2H: /* unpack two 16-bit floats */
+ {
+ GLfloat a[4], result[4];
+ const GLuint *rawBits = (const GLuint *) a;
+ GLhalfNV hx, hy;
+ fetch_vector1(ctx, &inst->SrcReg[0], machine, a);
+ hx = rawBits[0] & 0xffff;
+ hy = rawBits[0] >> 16;
+ result[0] = result[2] = _mesa_half_to_float(hx);
+ result[1] = result[3] = _mesa_half_to_float(hy);
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_UP2US: /* unpack two GLushorts */
+ {
+ GLfloat a[4], result[4];
+ const GLuint *rawBits = (const GLuint *) a;
+ GLushort usx, usy;
+ fetch_vector1(ctx, &inst->SrcReg[0], machine, a);
+ usx = rawBits[0] & 0xffff;
+ usy = rawBits[0] >> 16;
+ result[0] = result[2] = usx * (1.0f / 65535.0f);
+ result[1] = result[3] = usy * (1.0f / 65535.0f);
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_UP4B: /* unpack four GLbytes */
+ {
+ GLfloat a[4], result[4];
+ const GLuint *rawBits = (const GLuint *) a;
+ fetch_vector1(ctx, &inst->SrcReg[0], machine, a);
+ result[0] = (((rawBits[0] >> 0) & 0xff) - 128) / 127.0F;
+ result[1] = (((rawBits[0] >> 8) & 0xff) - 128) / 127.0F;
+ result[2] = (((rawBits[0] >> 16) & 0xff) - 128) / 127.0F;
+ result[3] = (((rawBits[0] >> 24) & 0xff) - 128) / 127.0F;
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_UP4UB: /* unpack four GLubytes */
+ {
+ GLfloat a[4], result[4];
+ const GLuint *rawBits = (const GLuint *) a;
+ fetch_vector1(ctx, &inst->SrcReg[0], machine, a);
+ result[0] = ((rawBits[0] >> 0) & 0xff) / 255.0F;
+ result[1] = ((rawBits[0] >> 8) & 0xff) / 255.0F;
+ result[2] = ((rawBits[0] >> 16) & 0xff) / 255.0F;
+ result[3] = ((rawBits[0] >> 24) & 0xff) / 255.0F;
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_XPD: /* cross product */
+ {
+ GLfloat a[4], b[4], result[4];
+ fetch_vector4(ctx, &inst->SrcReg[0], machine, a);
+ fetch_vector4(ctx, &inst->SrcReg[1], machine, b);
+ result[0] = a[1] * b[2] - a[2] * b[1];
+ result[1] = a[2] * b[0] - a[0] * b[2];
+ result[2] = a[0] * b[1] - a[1] * b[0];
+ result[3] = 1.0;
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_X2D: /* 2-D matrix transform */
+ {
+ GLfloat a[4], b[4], c[4], result[4];
+ fetch_vector4(ctx, &inst->SrcReg[0], machine, a);
+ fetch_vector4(ctx, &inst->SrcReg[1], machine, b);
+ fetch_vector4(ctx, &inst->SrcReg[2], machine, c);
+ result[0] = a[0] + b[0] * c[0] + b[1] * c[1];
+ result[1] = a[1] + b[0] * c[2] + b[1] * c[3];
+ result[2] = a[2] + b[0] * c[0] + b[1] * c[1];
+ result[3] = a[3] + b[0] * c[2] + b[1] * c[3];
+ store_vector4(inst, machine, result);
+ }
+ break;
+ case OPCODE_PRINT:
+ {
+ if (inst->SrcReg[0].File != -1) {
+ GLfloat a[4];
+ fetch_vector4(ctx, &inst->SrcReg[0], machine, a);
+ _mesa_printf("%s%g, %g, %g, %g\n", (const char *) inst->Data,
+ a[0], a[1], a[2], a[3]);
}
- break;
- case OPCODE_PRINT:
- {
- if (inst->SrcReg[0].File != -1) {
- GLfloat a[4];
- fetch_vector4( ctx, &inst->SrcReg[0], machine, a);
- _mesa_printf("%s%g, %g, %g, %g\n", (const char *) inst->Data,
- a[0], a[1], a[2], a[3]);
- }
- else {
- _mesa_printf("%s\n", (const char *) inst->Data);
- }
+ else {
+ _mesa_printf("%s\n", (const char *) inst->Data);
}
- break;
- case OPCODE_END:
- return GL_TRUE;
- default:
- _mesa_problem(ctx, "Bad opcode %d in _mesa_exec_fragment_program",
- inst->Opcode);
- return GL_TRUE; /* return value doesn't matter */
+ }
+ break;
+ case OPCODE_END:
+ return GL_TRUE;
+ default:
+ _mesa_problem(ctx, "Bad opcode %d in _mesa_exec_fragment_program",
+ inst->Opcode);
+ return GL_TRUE; /* return value doesn't matter */
}
+
total++;
if (total > MAX_EXEC) {
_mesa_problem(ctx, "Infinite loop detected in fragment program");
return GL_TRUE;
abort();
}
- }
+
+ } /* for pc */
#if FEATURE_MESA_program_debug
CurrentMachine = NULL;
projects / mesa.git / commitdiff