/* change the instruction to write to colorTemp w/ clamping */
inst->DstReg.File = PROGRAM_TEMPORARY;
inst->DstReg.Index = colorTemp;
- inst->SaturateMode = saturate;
+ inst->Saturate = saturate;
/* don't break (may be several writes to result.color) */
}
inst++;
inst->SrcReg[2].File = PROGRAM_STATE_VAR;
inst->SrcReg[2].Index = fogPRefOpt;
inst->SrcReg[2].Swizzle = SWIZZLE_YYYY;
- inst->SaturateMode = SATURATE_ZERO_ONE;
+ inst->Saturate = GL_TRUE;
inst++;
}
else {
inst->SrcReg[0].Index = fogFactorTemp;
inst->SrcReg[0].Negate = NEGATE_XYZW;
inst->SrcReg[0].Swizzle = SWIZZLE_XXXX;
- inst->SaturateMode = SATURATE_ZERO_ONE;
+ inst->Saturate = GL_TRUE;
inst++;
}
/* LRP result.color.xyz, fogFactorTemp.xxxx, colorTemp, fogColorRef; */
case OPCODE_TXD:
case OPCODE_TXL:
case OPCODE_TXP:
- case OPCODE_TXP_NV:
return GL_TRUE;
default:
return GL_FALSE;
}
}
}
+
+void
+_mesa_program_fragment_position_to_sysval(struct gl_program *prog)
+{
+ GLuint i;
+
+ if (prog->Target != GL_FRAGMENT_PROGRAM_ARB ||
+ !(prog->InputsRead & BITFIELD64_BIT(VARYING_SLOT_POS)))
+ return;
+
+ prog->InputsRead &= ~BITFIELD64_BIT(VARYING_SLOT_POS);
+ prog->SystemValuesRead |= 1 << SYSTEM_VALUE_FRAG_COORD;
+
+ for (i = 0; i < prog->NumInstructions; i++) {
+ struct prog_instruction *inst = prog->Instructions + i;
+ const GLuint numSrc = _mesa_num_inst_src_regs(inst->Opcode);
+ GLuint j;
+
+ for (j = 0; j < numSrc; j++) {
+ if (inst->SrcReg[j].File == PROGRAM_INPUT &&
+ inst->SrcReg[j].Index == VARYING_SLOT_POS) {
+ inst->SrcReg[j].File = PROGRAM_SYSTEM_VALUE;
+ inst->SrcReg[j].Index = SYSTEM_VALUE_FRAG_COORD;
+ }
+ }
+ }
+}