/**
* Emit a paired ALU instruction.
*/
static GLboolean emit_paired(void *data, struct radeon_pair_instruction *inst)
{
PROG_CODE;
if (code->inst_end >= 511) {
error("emit_alu: Too many instructions");
return GL_FALSE;
}
int ip = ++code->inst_end;
code->inst[ip].inst5 = translate_rgb_op(inst->RGB.Opcode);
code->inst[ip].inst4 = translate_alpha_op(inst->Alpha.Opcode);
if (inst->RGB.OutputWriteMask || inst->Alpha.OutputWriteMask || inst->Alpha.DepthWriteMask)
code->inst[ip].inst0 = R500_INST_TYPE_OUT;
else
code->inst[ip].inst0 = R500_INST_TYPE_ALU;
code->inst[ip].inst0 |= R500_INST_TEX_SEM_WAIT;
code->inst[ip].inst0 |= (inst->RGB.WriteMask << 11) | (inst->Alpha.WriteMask << 14);
code->inst[ip].inst0 |= (inst->RGB.OutputWriteMask << 15) | (inst->Alpha.OutputWriteMask << 18);
if (inst->Alpha.DepthWriteMask) {
code->inst[ip].inst4 |= R500_ALPHA_W_OMASK;
c->fp->writes_depth = GL_TRUE;
}
code->inst[ip].inst4 |= R500_ALPHA_ADDRD(inst->Alpha.DestIndex);
code->inst[ip].inst5 |= R500_ALU_RGBA_ADDRD(inst->RGB.DestIndex);
use_temporary(code, inst->Alpha.DestIndex);
use_temporary(code, inst->RGB.DestIndex);
if (inst->RGB.Saturate)
code->inst[ip].inst0 |= R500_INST_RGB_CLAMP;
if (inst->Alpha.Saturate)
code->inst[ip].inst0 |= R500_INST_ALPHA_CLAMP;
code->inst[ip].inst1 |= R500_RGB_ADDR0(use_source(code, inst->RGB.Src[0]));
code->inst[ip].inst1 |= R500_RGB_ADDR1(use_source(code, inst->RGB.Src[1]));
code->inst[ip].inst1 |= R500_RGB_ADDR2(use_source(code, inst->RGB.Src[2]));
code->inst[ip].inst2 |= R500_ALPHA_ADDR0(use_source(code, inst->Alpha.Src[0]));
code->inst[ip].inst2 |= R500_ALPHA_ADDR1(use_source(code, inst->Alpha.Src[1]));
code->inst[ip].inst2 |= R500_ALPHA_ADDR2(use_source(code, inst->Alpha.Src[2]));
code->inst[ip].inst3 |= translate_arg_rgb(inst, 0) << R500_ALU_RGB_SEL_A_SHIFT;
code->inst[ip].inst3 |= translate_arg_rgb(inst, 1) << R500_ALU_RGB_SEL_B_SHIFT;
code->inst[ip].inst5 |= translate_arg_rgb(inst, 2) << R500_ALU_RGBA_SEL_C_SHIFT;
code->inst[ip].inst4 |= translate_arg_alpha(inst, 0) << R500_ALPHA_SEL_A_SHIFT;
code->inst[ip].inst4 |= translate_arg_alpha(inst, 1) << R500_ALPHA_SEL_B_SHIFT;
code->inst[ip].inst5 |= translate_arg_alpha(inst, 2) << R500_ALU_RGBA_ALPHA_SEL_C_SHIFT;
return GL_TRUE;
}
/**
* Emit a paired ALU instruction.
*/
static void emit_paired(struct r300_fragment_program_compiler *c, struct rc_pair_instruction *inst)
{
int ip;
PROG_CODE;
if (code->inst_end >= c->Base.max_alu_insts-1) {
error("emit_alu: Too many instructions");
return;
}
ip = ++code->inst_end;
/* Quirk: MDH/MDV (DDX/DDY) need a NOP on previous non-TEX instructions. */
if (inst->RGB.Opcode == RC_OPCODE_DDX || inst->Alpha.Opcode == RC_OPCODE_DDX ||
inst->RGB.Opcode == RC_OPCODE_DDY || inst->Alpha.Opcode == RC_OPCODE_DDY) {
if (ip > 0) {
alu_nop(c, ip - 1);
}
}
code->inst[ip].inst5 = translate_rgb_op(c, inst->RGB.Opcode);
code->inst[ip].inst4 = translate_alpha_op(c, inst->Alpha.Opcode);
if (inst->RGB.OutputWriteMask || inst->Alpha.OutputWriteMask || inst->Alpha.DepthWriteMask) {
code->inst[ip].inst0 = R500_INST_TYPE_OUT;
if (inst->WriteALUResult) {
error("Cannot write output and ALU result at the same time");
return;
}
} else {
code->inst[ip].inst0 = R500_INST_TYPE_ALU;
}
code->inst[ip].inst0 |= R500_INST_TEX_SEM_WAIT;
code->inst[ip].inst0 |= (inst->RGB.WriteMask << 11);
code->inst[ip].inst0 |= inst->Alpha.WriteMask ? 1 << 14 : 0;
code->inst[ip].inst0 |= (inst->RGB.OutputWriteMask << 15) | (inst->Alpha.OutputWriteMask << 18);
if (inst->Nop) {
code->inst[ip].inst0 |= R500_INST_NOP;
}
if (inst->Alpha.DepthWriteMask) {
code->inst[ip].inst4 |= R500_ALPHA_W_OMASK;
c->code->writes_depth = 1;
}
code->inst[ip].inst4 |= R500_ALPHA_ADDRD(inst->Alpha.DestIndex);
code->inst[ip].inst5 |= R500_ALU_RGBA_ADDRD(inst->RGB.DestIndex);
use_temporary(code, inst->Alpha.DestIndex);
use_temporary(code, inst->RGB.DestIndex);
if (inst->RGB.Saturate)
code->inst[ip].inst0 |= R500_INST_RGB_CLAMP;
if (inst->Alpha.Saturate)
code->inst[ip].inst0 |= R500_INST_ALPHA_CLAMP;
/* Set the presubtract operation. */
switch(inst->RGB.Src[RC_PAIR_PRESUB_SRC].Index) {
case RC_PRESUB_BIAS:
code->inst[ip].inst1 |= R500_RGB_SRCP_OP_1_MINUS_2RGB0;
break;
case RC_PRESUB_SUB:
code->inst[ip].inst1 |= R500_RGB_SRCP_OP_RGB1_MINUS_RGB0;
break;
case RC_PRESUB_ADD:
code->inst[ip].inst1 |= R500_RGB_SRCP_OP_RGB1_PLUS_RGB0;
break;
case RC_PRESUB_INV:
code->inst[ip].inst1 |= R500_RGB_SRCP_OP_1_MINUS_RGB0;
break;
default:
break;
}
switch(inst->Alpha.Src[RC_PAIR_PRESUB_SRC].Index) {
case RC_PRESUB_BIAS:
code->inst[ip].inst2 |= R500_ALPHA_SRCP_OP_1_MINUS_2A0;
break;
case RC_PRESUB_SUB:
code->inst[ip].inst2 |= R500_ALPHA_SRCP_OP_A1_MINUS_A0;
break;
case RC_PRESUB_ADD:
code->inst[ip].inst2 |= R500_ALPHA_SRCP_OP_A1_PLUS_A0;
break;
case RC_PRESUB_INV:
code->inst[ip].inst2 |= R500_ALPHA_SRCP_OP_1_MINUS_A0;
break;
default:
break;
}
code->inst[ip].inst1 |= R500_RGB_ADDR0(use_source(code, inst->RGB.Src[0]));
code->inst[ip].inst1 |= R500_RGB_ADDR1(use_source(code, inst->RGB.Src[1]));
code->inst[ip].inst1 |= R500_RGB_ADDR2(use_source(code, inst->RGB.Src[2]));
code->inst[ip].inst2 |= R500_ALPHA_ADDR0(use_source(code, inst->Alpha.Src[0]));
code->inst[ip].inst2 |= R500_ALPHA_ADDR1(use_source(code, inst->Alpha.Src[1]));
code->inst[ip].inst2 |= R500_ALPHA_ADDR2(use_source(code, inst->Alpha.Src[2]));
code->inst[ip].inst3 |= translate_arg_rgb(inst, 0) << R500_ALU_RGB_SEL_A_SHIFT;
code->inst[ip].inst3 |= translate_arg_rgb(inst, 1) << R500_ALU_RGB_SEL_B_SHIFT;
code->inst[ip].inst5 |= translate_arg_rgb(inst, 2) << R500_ALU_RGBA_SEL_C_SHIFT;
code->inst[ip].inst4 |= translate_arg_alpha(inst, 0) << R500_ALPHA_SEL_A_SHIFT;
code->inst[ip].inst4 |= translate_arg_alpha(inst, 1) << R500_ALPHA_SEL_B_SHIFT;
code->inst[ip].inst5 |= translate_arg_alpha(inst, 2) << R500_ALU_RGBA_ALPHA_SEL_C_SHIFT;
code->inst[ip].inst3 |= R500_ALU_RGB_TARGET(inst->RGB.Target);
code->inst[ip].inst4 |= R500_ALPHA_TARGET(inst->Alpha.Target);
if (inst->WriteALUResult) {
code->inst[ip].inst3 |= R500_ALU_RGB_WMASK;
if (inst->WriteALUResult == RC_ALURESULT_X)
code->inst[ip].inst0 |= R500_INST_ALU_RESULT_SEL_RED;
else
code->inst[ip].inst0 |= R500_INST_ALU_RESULT_SEL_ALPHA;
code->inst[ip].inst0 |= translate_alu_result_op(c, inst->ALUResultCompare);
}
}
/**
* Emit a paired ALU instruction.
*/
static void emit_paired(struct r300_fragment_program_compiler *c, struct rc_pair_instruction *inst)
{
PROG_CODE;
if (code->inst_end >= 511) {
error("emit_alu: Too many instructions");
return;
}
int ip = ++code->inst_end;
code->inst[ip].inst5 = translate_rgb_op(c, inst->RGB.Opcode);
code->inst[ip].inst4 = translate_alpha_op(c, inst->Alpha.Opcode);
if (inst->RGB.OutputWriteMask || inst->Alpha.OutputWriteMask || inst->Alpha.DepthWriteMask) {
code->inst[ip].inst0 = R500_INST_TYPE_OUT;
if (inst->WriteALUResult) {
error("%s: cannot write output and ALU result at the same time");
return;
}
} else {
code->inst[ip].inst0 = R500_INST_TYPE_ALU;
}
code->inst[ip].inst0 |= R500_INST_TEX_SEM_WAIT;
code->inst[ip].inst0 |= (inst->RGB.WriteMask << 11) | (inst->Alpha.WriteMask << 14);
code->inst[ip].inst0 |= (inst->RGB.OutputWriteMask << 15) | (inst->Alpha.OutputWriteMask << 18);
if (inst->Alpha.DepthWriteMask) {
code->inst[ip].inst4 |= R500_ALPHA_W_OMASK;
c->code->writes_depth = 1;
}
code->inst[ip].inst4 |= R500_ALPHA_ADDRD(inst->Alpha.DestIndex);
code->inst[ip].inst5 |= R500_ALU_RGBA_ADDRD(inst->RGB.DestIndex);
use_temporary(code, inst->Alpha.DestIndex);
use_temporary(code, inst->RGB.DestIndex);
if (inst->RGB.Saturate)
code->inst[ip].inst0 |= R500_INST_RGB_CLAMP;
if (inst->Alpha.Saturate)
code->inst[ip].inst0 |= R500_INST_ALPHA_CLAMP;
code->inst[ip].inst1 |= R500_RGB_ADDR0(use_source(code, inst->RGB.Src[0]));
code->inst[ip].inst1 |= R500_RGB_ADDR1(use_source(code, inst->RGB.Src[1]));
code->inst[ip].inst1 |= R500_RGB_ADDR2(use_source(code, inst->RGB.Src[2]));
code->inst[ip].inst2 |= R500_ALPHA_ADDR0(use_source(code, inst->Alpha.Src[0]));
code->inst[ip].inst2 |= R500_ALPHA_ADDR1(use_source(code, inst->Alpha.Src[1]));
code->inst[ip].inst2 |= R500_ALPHA_ADDR2(use_source(code, inst->Alpha.Src[2]));
code->inst[ip].inst3 |= translate_arg_rgb(inst, 0) << R500_ALU_RGB_SEL_A_SHIFT;
code->inst[ip].inst3 |= translate_arg_rgb(inst, 1) << R500_ALU_RGB_SEL_B_SHIFT;
code->inst[ip].inst5 |= translate_arg_rgb(inst, 2) << R500_ALU_RGBA_SEL_C_SHIFT;
code->inst[ip].inst4 |= translate_arg_alpha(inst, 0) << R500_ALPHA_SEL_A_SHIFT;
code->inst[ip].inst4 |= translate_arg_alpha(inst, 1) << R500_ALPHA_SEL_B_SHIFT;
code->inst[ip].inst5 |= translate_arg_alpha(inst, 2) << R500_ALU_RGBA_ALPHA_SEL_C_SHIFT;
code->inst[ip].inst3 |= R500_ALU_RGB_TARGET(inst->RGB.Target);
code->inst[ip].inst4 |= R500_ALPHA_TARGET(inst->Alpha.Target);
if (inst->WriteALUResult) {
code->inst[ip].inst3 |= R500_ALU_RGB_WMASK;
if (inst->WriteALUResult == RC_ALURESULT_X)
code->inst[ip].inst0 |= R500_INST_ALU_RESULT_SEL_RED;
else
code->inst[ip].inst0 |= R500_INST_ALU_RESULT_SEL_ALPHA;
code->inst[ip].inst0 |= translate_alu_result_op(c, inst->ALUResultCompare);
}
}