/**
 * 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;
}
Example #3
0
/**
 * 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;
}