-#if DEBUG_FRAG
- 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]);
-#endif
+ if (DEBUG_FRAG) {
+ 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_BRA: /* conditional branch */
+ {
+ /* NOTE: The return is conditional! */
+ const GLuint swizzle = inst->DstReg.CondSwizzle;
+ const GLuint condMask = inst->DstReg.CondMask;
+ if (test_cc(machine->CondCodes[GET_SWZ(swizzle, 0)], condMask) ||
+ test_cc(machine->CondCodes[GET_SWZ(swizzle, 1)], condMask) ||
+ test_cc(machine->CondCodes[GET_SWZ(swizzle, 2)], condMask) ||
+ test_cc(machine->CondCodes[GET_SWZ(swizzle, 3)], condMask)) {
+ /* take branch */
+ pc = inst->BranchTarget;
+ }
+ }
+ break;
+ case OPCODE_CAL: /* Call subroutine */
+ {
+ /* NOTE: The call is conditional! */
+ const GLuint swizzle = inst->DstReg.CondSwizzle;
+ const GLuint condMask = inst->DstReg.CondMask;
+ if (test_cc(machine->CondCodes[GET_SWZ(swizzle, 0)], condMask) ||
+ test_cc(machine->CondCodes[GET_SWZ(swizzle, 1)], condMask) ||
+ test_cc(machine->CondCodes[GET_SWZ(swizzle, 2)], condMask) ||
+ test_cc(machine->CondCodes[GET_SWZ(swizzle, 3)], condMask)) {
+ 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;
+ }