/**
* Emit a single TEX instruction
*/
static int emit_tex(struct r300_fragment_program_compiler *c, struct rc_sub_instruction *inst)
{
PROG_CODE;
if (code->inst_end >= c->Base.max_alu_insts-1) {
error("emit_tex: Too many instructions");
return 0;
}
int ip = ++code->inst_end;
code->inst[ip].inst0 = R500_INST_TYPE_TEX
| (inst->DstReg.WriteMask << 11)
| R500_INST_TEX_SEM_WAIT;
code->inst[ip].inst1 = R500_TEX_ID(inst->TexSrcUnit)
| R500_TEX_SEM_ACQUIRE | R500_TEX_IGNORE_UNCOVERED;
if (inst->TexSrcTarget == RC_TEXTURE_RECT)
code->inst[ip].inst1 |= R500_TEX_UNSCALED;
switch (inst->Opcode) {
case RC_OPCODE_KIL:
code->inst[ip].inst1 |= R500_TEX_INST_TEXKILL;
break;
case RC_OPCODE_TEX:
code->inst[ip].inst1 |= R500_TEX_INST_LD;
break;
case RC_OPCODE_TXB:
code->inst[ip].inst1 |= R500_TEX_INST_LODBIAS;
break;
case RC_OPCODE_TXP:
code->inst[ip].inst1 |= R500_TEX_INST_PROJ;
break;
default:
error("emit_tex can't handle opcode %s\n", rc_get_opcode_info(inst->Opcode)->Name);
}
use_temporary(code, inst->SrcReg[0].Index);
if (inst->Opcode != RC_OPCODE_KIL)
use_temporary(code, inst->DstReg.Index);
code->inst[ip].inst2 = R500_TEX_SRC_ADDR(inst->SrcReg[0].Index)
| (translate_strq_swizzle(inst->SrcReg[0].Swizzle) << 8)
| R500_TEX_DST_ADDR(inst->DstReg.Index)
| R500_TEX_DST_R_SWIZ_R | R500_TEX_DST_G_SWIZ_G
| R500_TEX_DST_B_SWIZ_B | R500_TEX_DST_A_SWIZ_A;
return 1;
}
/**
* Emit a single TEX instruction
*/
static GLboolean emit_tex(void *data, struct prog_instruction *inst)
{
PROG_CODE;
if (code->inst_end >= 511) {
error("emit_tex: Too many instructions");
return GL_FALSE;
}
int ip = ++code->inst_end;
code->inst[ip].inst0 = R500_INST_TYPE_TEX
| (inst->DstReg.WriteMask << 11)
| R500_INST_TEX_SEM_WAIT;
code->inst[ip].inst1 = R500_TEX_ID(inst->TexSrcUnit)
| R500_TEX_SEM_ACQUIRE | R500_TEX_IGNORE_UNCOVERED;
if (inst->TexSrcTarget == TEXTURE_RECT_INDEX)
code->inst[ip].inst1 |= R500_TEX_UNSCALED;
switch (inst->Opcode) {
case OPCODE_KIL:
code->inst[ip].inst1 |= R500_TEX_INST_TEXKILL;
break;
case OPCODE_TEX:
code->inst[ip].inst1 |= R500_TEX_INST_LD;
break;
case OPCODE_TXB:
code->inst[ip].inst1 |= R500_TEX_INST_LODBIAS;
break;
case OPCODE_TXP:
code->inst[ip].inst1 |= R500_TEX_INST_PROJ;
break;
default:
error("emit_tex can't handle opcode %x\n", inst->Opcode);
}
code->inst[ip].inst2 = R500_TEX_SRC_ADDR(inst->SrcReg[0].Index)
| (translate_strq_swizzle(inst->SrcReg[0]) << 8)
| R500_TEX_DST_ADDR(inst->DstReg.Index)
| R500_TEX_DST_R_SWIZ_R | R500_TEX_DST_G_SWIZ_G
| R500_TEX_DST_B_SWIZ_B | R500_TEX_DST_A_SWIZ_A;
return GL_TRUE;
}
/**
* Emit a single TEX instruction
*/
static int emit_tex(struct r300_fragment_program_compiler *c, struct rc_sub_instruction *inst)
{
int ip;
PROG_CODE;
if (code->inst_end >= c->Base.max_alu_insts-1) {
error("emit_tex: Too many instructions");
return 0;
}
ip = ++code->inst_end;
code->inst[ip].inst0 = R500_INST_TYPE_TEX
| (inst->DstReg.WriteMask << 11)
| R500_INST_TEX_SEM_WAIT;
code->inst[ip].inst1 = R500_TEX_ID(inst->TexSrcUnit)
| R500_TEX_SEM_ACQUIRE;
if (inst->TexSrcTarget == RC_TEXTURE_RECT)
code->inst[ip].inst1 |= R500_TEX_UNSCALED;
switch (inst->Opcode) {
case RC_OPCODE_KIL:
code->inst[ip].inst1 |= R500_TEX_INST_TEXKILL;
break;
case RC_OPCODE_TEX:
code->inst[ip].inst1 |= R500_TEX_INST_LD;
break;
case RC_OPCODE_TXB:
code->inst[ip].inst1 |= R500_TEX_INST_LODBIAS;
break;
case RC_OPCODE_TXP:
code->inst[ip].inst1 |= R500_TEX_INST_PROJ;
break;
case RC_OPCODE_TXD:
code->inst[ip].inst1 |= R500_TEX_INST_DXDY;
break;
case RC_OPCODE_TXL:
code->inst[ip].inst1 |= R500_TEX_INST_LOD;
break;
default:
error("emit_tex can't handle opcode %s\n", rc_get_opcode_info(inst->Opcode)->Name);
}
use_temporary(code, inst->SrcReg[0].Index);
if (inst->Opcode != RC_OPCODE_KIL)
use_temporary(code, inst->DstReg.Index);
code->inst[ip].inst2 = R500_TEX_SRC_ADDR(inst->SrcReg[0].Index)
| (translate_strq_swizzle(inst->SrcReg[0].Swizzle) << 8)
| R500_TEX_DST_ADDR(inst->DstReg.Index)
| (GET_SWZ(inst->TexSwizzle, 0) << 24)
| (GET_SWZ(inst->TexSwizzle, 1) << 26)
| (GET_SWZ(inst->TexSwizzle, 2) << 28)
| (GET_SWZ(inst->TexSwizzle, 3) << 30)
;
if (inst->Opcode == RC_OPCODE_TXD) {
use_temporary(code, inst->SrcReg[1].Index);
use_temporary(code, inst->SrcReg[2].Index);
/* DX and DY parameters are specified in a separate register. */
code->inst[ip].inst3 =
R500_DX_ADDR(inst->SrcReg[1].Index) |
(translate_strq_swizzle(inst->SrcReg[1].Swizzle) << 8) |
R500_DY_ADDR(inst->SrcReg[2].Index) |
(translate_strq_swizzle(inst->SrcReg[2].Swizzle) << 24);
}
return 1;
}