void
ippool_release_ip(struct ippool *ippool, char *ip)
{
int bit = 0;
struct in_addr addr;
if (inet_aton(ip, &addr) == 0) {
/* The address is not valid. */
return;
}
bit = ntohl(addr.s_addr) - ntohl(ippool->hostmin.s_addr);
free_bit(ippool->pool, ippool->hosts, bit);
}
/**
* TGSI transform prolog callback.
*/
static void
aa_transform_prolog(struct tgsi_transform_context *ctx)
{
struct aa_transform_context *aactx = (struct aa_transform_context *) ctx;
uint i;
/* find free sampler */
aactx->freeSampler = free_bit(aactx->samplersUsed);
if (aactx->freeSampler >= PIPE_MAX_SAMPLERS)
aactx->freeSampler = PIPE_MAX_SAMPLERS - 1;
/* find two free temp regs */
for (i = 0; i < 32; i++) {
if ((aactx->tempsUsed & (1 << i)) == 0) {
/* found a free temp */
if (aactx->colorTemp < 0)
aactx->colorTemp = i;
else if (aactx->texTemp < 0)
aactx->texTemp = i;
else
break;
}
}
assert(aactx->colorTemp >= 0);
assert(aactx->texTemp >= 0);
/* declare new generic input/texcoord */
tgsi_transform_input_decl(ctx, aactx->maxInput + 1,
TGSI_SEMANTIC_GENERIC, aactx->maxGeneric + 1,
TGSI_INTERPOLATE_LINEAR);
/* declare new sampler */
tgsi_transform_sampler_decl(ctx, aactx->freeSampler);
/* declare new temp regs */
tgsi_transform_temp_decl(ctx, aactx->texTemp);
tgsi_transform_temp_decl(ctx, aactx->colorTemp);
}
/**
* TGSI instruction transform callback.
* Replace writes to result.color w/ a temp reg.
* Upon END instruction, insert texture sampling code for antialiasing.
*/
static void
aa_transform_inst(struct tgsi_transform_context *ctx,
struct tgsi_full_instruction *inst)
{
struct aa_transform_context *aactx = (struct aa_transform_context *) ctx;
if (aactx->firstInstruction) {
/* emit our new declarations before the first instruction */
struct tgsi_full_declaration decl;
uint i;
/* find free sampler */
aactx->freeSampler = free_bit(aactx->samplersUsed);
if (aactx->freeSampler >= PIPE_MAX_SAMPLERS)
aactx->freeSampler = PIPE_MAX_SAMPLERS - 1;
/* find two free temp regs */
for (i = 0; i < 32; i++) {
if ((aactx->tempsUsed & (1 << i)) == 0) {
/* found a free temp */
if (aactx->colorTemp < 0)
aactx->colorTemp = i;
else if (aactx->texTemp < 0)
aactx->texTemp = i;
else
break;
}
}
assert(aactx->colorTemp >= 0);
assert(aactx->texTemp >= 0);
/* declare new generic input/texcoord */
decl = tgsi_default_full_declaration();
decl.Declaration.File = TGSI_FILE_INPUT;
/* XXX this could be linear... */
decl.Declaration.Interpolate = TGSI_INTERPOLATE_PERSPECTIVE;
decl.Declaration.Semantic = 1;
decl.Semantic.Name = TGSI_SEMANTIC_GENERIC;
decl.Semantic.Index = aactx->maxGeneric + 1;
decl.Range.First =
decl.Range.Last = aactx->maxInput + 1;
ctx->emit_declaration(ctx, &decl);
/* declare new sampler */
decl = tgsi_default_full_declaration();
decl.Declaration.File = TGSI_FILE_SAMPLER;
decl.Range.First =
decl.Range.Last = aactx->freeSampler;
ctx->emit_declaration(ctx, &decl);
/* declare new temp regs */
decl = tgsi_default_full_declaration();
decl.Declaration.File = TGSI_FILE_TEMPORARY;
decl.Range.First =
decl.Range.Last = aactx->texTemp;
ctx->emit_declaration(ctx, &decl);
decl = tgsi_default_full_declaration();
decl.Declaration.File = TGSI_FILE_TEMPORARY;
decl.Range.First =
decl.Range.Last = aactx->colorTemp;
ctx->emit_declaration(ctx, &decl);
aactx->firstInstruction = FALSE;
}
if (inst->Instruction.Opcode == TGSI_OPCODE_END &&
aactx->colorOutput != -1) {
struct tgsi_full_instruction newInst;
/* TEX */
newInst = tgsi_default_full_instruction();
newInst.Instruction.Opcode = TGSI_OPCODE_TEX;
newInst.Instruction.NumDstRegs = 1;
newInst.Dst[0].Register.File = TGSI_FILE_TEMPORARY;
newInst.Dst[0].Register.Index = aactx->texTemp;
newInst.Instruction.NumSrcRegs = 2;
newInst.Instruction.Texture = TRUE;
newInst.Texture.Texture = TGSI_TEXTURE_2D;
newInst.Src[0].Register.File = TGSI_FILE_INPUT;
newInst.Src[0].Register.Index = aactx->maxInput + 1;
newInst.Src[1].Register.File = TGSI_FILE_SAMPLER;
newInst.Src[1].Register.Index = aactx->freeSampler;
ctx->emit_instruction(ctx, &newInst);
/* MOV rgb */
newInst = tgsi_default_full_instruction();
newInst.Instruction.Opcode = TGSI_OPCODE_MOV;
newInst.Instruction.NumDstRegs = 1;
newInst.Dst[0].Register.File = TGSI_FILE_OUTPUT;
newInst.Dst[0].Register.Index = aactx->colorOutput;
newInst.Dst[0].Register.WriteMask = TGSI_WRITEMASK_XYZ;
newInst.Instruction.NumSrcRegs = 1;
newInst.Src[0].Register.File = TGSI_FILE_TEMPORARY;
newInst.Src[0].Register.Index = aactx->colorTemp;
ctx->emit_instruction(ctx, &newInst);
/* MUL alpha */
newInst = tgsi_default_full_instruction();
newInst.Instruction.Opcode = TGSI_OPCODE_MUL;
newInst.Instruction.NumDstRegs = 1;
newInst.Dst[0].Register.File = TGSI_FILE_OUTPUT;
newInst.Dst[0].Register.Index = aactx->colorOutput;
newInst.Dst[0].Register.WriteMask = TGSI_WRITEMASK_W;
newInst.Instruction.NumSrcRegs = 2;
newInst.Src[0].Register.File = TGSI_FILE_TEMPORARY;
newInst.Src[0].Register.Index = aactx->colorTemp;
newInst.Src[1].Register.File = TGSI_FILE_TEMPORARY;
newInst.Src[1].Register.Index = aactx->texTemp;
ctx->emit_instruction(ctx, &newInst);
/* END */
newInst = tgsi_default_full_instruction();
newInst.Instruction.Opcode = TGSI_OPCODE_END;
newInst.Instruction.NumDstRegs = 0;
newInst.Instruction.NumSrcRegs = 0;
ctx->emit_instruction(ctx, &newInst);
}
else {
/* Not an END instruction.
* Look for writes to result.color and replace with colorTemp reg.
*/
uint i;
for (i = 0; i < inst->Instruction.NumDstRegs; i++) {
struct tgsi_full_dst_register *dst = &inst->Dst[i];
if (dst->Register.File == TGSI_FILE_OUTPUT &&
dst->Register.Index == aactx->colorOutput) {
dst->Register.File = TGSI_FILE_TEMPORARY;
dst->Register.Index = aactx->colorTemp;
}
}
ctx->emit_instruction(ctx, inst);
}
}
