#include "tgsi/tgsi_parse.h"
#include "tgsi/tgsi_util.h"
#include "tgsi_exec.h"
+#include "util/u_half.h"
#include "util/u_memory.h"
#include "util/u_math.h"
* not lead to crashes, etc. But when debugging, it's helpful to catch
* them.
*/
-static INLINE void
+static inline void
check_inf_or_nan(const union tgsi_exec_channel *chan)
{
assert(!util_is_inf_or_nan((chan)->f[0]));
enum tgsi_exec_datatype dst_datatype)
{
uint i;
- union tgsi_exec_channel null;
+ static union tgsi_exec_channel null;
union tgsi_exec_channel *dst;
union tgsi_exec_channel index2D;
uint execmask = mach->ExecMask;
if (!dst)
return;
- switch (inst->Instruction.Saturate) {
- case TGSI_SAT_NONE:
+ if (!inst->Instruction.Saturate) {
for (i = 0; i < TGSI_QUAD_SIZE; i++)
if (execmask & (1 << i))
dst->i[i] = chan->i[i];
- break;
-
- case TGSI_SAT_ZERO_ONE:
+ }
+ else {
for (i = 0; i < TGSI_QUAD_SIZE; i++)
if (execmask & (1 << i)) {
if (chan->f[i] < 0.0f)
else
dst->i[i] = chan->i[i];
}
- break;
-
- case TGSI_SAT_MINUS_PLUS_ONE:
- for (i = 0; i < TGSI_QUAD_SIZE; i++)
- if (execmask & (1 << i)) {
- if (chan->f[i] < -1.0f)
- dst->f[i] = -1.0f;
- else if (chan->f[i] > 1.0f)
- dst->f[i] = 1.0f;
- else
- dst->i[i] = chan->i[i];
- }
- break;
-
- default:
- assert( 0 );
}
}
#define TEX_MODIFIER_LOD_BIAS 2
#define TEX_MODIFIER_EXPLICIT_LOD 3
#define TEX_MODIFIER_LEVEL_ZERO 4
-
+#define TEX_MODIFIER_GATHER 5
/*
* Fetch all 3 (for s,t,r coords) texel offsets, put them into int array.
derivs[1][3] = d.f[3];
}
+static uint
+fetch_sampler_unit(struct tgsi_exec_machine *mach,
+ const struct tgsi_full_instruction *inst,
+ uint sampler)
+{
+ uint unit;
+
+ if (inst->Src[sampler].Register.Indirect) {
+ const struct tgsi_full_src_register *reg = &inst->Src[sampler];
+ union tgsi_exec_channel indir_index, index2;
+
+ index2.i[0] =
+ index2.i[1] =
+ index2.i[2] =
+ index2.i[3] = reg->Indirect.Index;
+
+ fetch_src_file_channel(mach,
+ 0,
+ reg->Indirect.File,
+ reg->Indirect.Swizzle,
+ &index2,
+ &ZeroVec,
+ &indir_index);
+ unit = inst->Src[sampler].Register.Index + indir_index.i[0];
+ } else {
+ unit = inst->Src[sampler].Register.Index;
+ }
+ return unit;
+}
/*
* execute a texture instruction.
*
- * modifier is used to control the channel routing for the\
+ * modifier is used to control the channel routing for the
* instruction variants like proj, lod, and texture with lod bias.
* sampler indicates which src register the sampler is contained in.
*/
const struct tgsi_full_instruction *inst,
uint modifier, uint sampler)
{
- const uint unit = inst->Src[sampler].Register.Index;
const union tgsi_exec_channel *args[5], *proj = NULL;
union tgsi_exec_channel r[5];
- enum tgsi_sampler_control control = tgsi_sampler_lod_none;
+ enum tgsi_sampler_control control = TGSI_SAMPLER_LOD_NONE;
uint chan;
+ uint unit;
int8_t offsets[3];
int dim, shadow_ref, i;
+ unit = fetch_sampler_unit(mach, inst, sampler);
/* always fetch all 3 offsets, overkill but keeps code simple */
fetch_texel_offsets(mach, inst, offsets);
args[i] = &ZeroVec;
if (modifier == TEX_MODIFIER_EXPLICIT_LOD)
- control = tgsi_sampler_lod_explicit;
+ control = TGSI_SAMPLER_LOD_EXPLICIT;
else if (modifier == TEX_MODIFIER_LOD_BIAS)
- control = tgsi_sampler_lod_bias;
+ control = TGSI_SAMPLER_LOD_BIAS;
+ else if (modifier == TEX_MODIFIER_GATHER)
+ control = TGSI_SAMPLER_GATHER;
}
else {
for (i = dim; i < Elements(args); i++)
}
}
+static void
+exec_lodq(struct tgsi_exec_machine *mach,
+ const struct tgsi_full_instruction *inst)
+{
+ uint unit;
+ int dim;
+ int i;
+ union tgsi_exec_channel coords[4];
+ const union tgsi_exec_channel *args[Elements(coords)];
+ union tgsi_exec_channel r[2];
+
+ unit = fetch_sampler_unit(mach, inst, 1);
+ dim = tgsi_util_get_texture_coord_dim(inst->Texture.Texture, NULL);
+ assert(dim <= Elements(coords));
+ /* fetch coordinates */
+ for (i = 0; i < dim; i++) {
+ FETCH(&coords[i], 0, TGSI_CHAN_X + i);
+ args[i] = &coords[i];
+ }
+ for (i = dim; i < Elements(coords); i++) {
+ args[i] = &ZeroVec;
+ }
+ mach->Sampler->query_lod(mach->Sampler, unit, unit,
+ args[0]->f,
+ args[1]->f,
+ args[2]->f,
+ args[3]->f,
+ TGSI_SAMPLER_LOD_NONE,
+ r[0].f,
+ r[1].f);
+
+ if (inst->Dst[0].Register.WriteMask & TGSI_WRITEMASK_X) {
+ store_dest(mach, &r[0], &inst->Dst[0], inst, TGSI_CHAN_X,
+ TGSI_EXEC_DATA_FLOAT);
+ }
+ if (inst->Dst[0].Register.WriteMask & TGSI_WRITEMASK_Y) {
+ store_dest(mach, &r[1], &inst->Dst[0], inst, TGSI_CHAN_Y,
+ TGSI_EXEC_DATA_FLOAT);
+ }
+}
static void
exec_txd(struct tgsi_exec_machine *mach,
const struct tgsi_full_instruction *inst)
{
- const uint unit = inst->Src[3].Register.Index;
union tgsi_exec_channel r[4];
float derivs[3][2][TGSI_QUAD_SIZE];
uint chan;
+ uint unit;
int8_t offsets[3];
+ unit = fetch_sampler_unit(mach, inst, 3);
/* always fetch all 3 offsets, overkill but keeps code simple */
fetch_texel_offsets(mach, inst, offsets);
fetch_texel(mach->Sampler, unit, unit,
&r[0], &ZeroVec, &ZeroVec, &ZeroVec, &ZeroVec, /* S, T, P, C, LOD */
- derivs, offsets, tgsi_sampler_derivs_explicit,
+ derivs, offsets, TGSI_SAMPLER_DERIVS_EXPLICIT,
&r[0], &r[1], &r[2], &r[3]); /* R, G, B, A */
break;
fetch_texel(mach->Sampler, unit, unit,
&r[0], &r[1], &r[2], &ZeroVec, &ZeroVec, /* S, T, P, C, LOD */
- derivs, offsets, tgsi_sampler_derivs_explicit,
+ derivs, offsets, TGSI_SAMPLER_DERIVS_EXPLICIT,
&r[0], &r[1], &r[2], &r[3]); /* R, G, B, A */
break;
fetch_texel(mach->Sampler, unit, unit,
&r[0], &r[1], &ZeroVec, &ZeroVec, &ZeroVec, /* S, T, P, C, LOD */
- derivs, offsets, tgsi_sampler_derivs_explicit,
+ derivs, offsets, TGSI_SAMPLER_DERIVS_EXPLICIT,
&r[0], &r[1], &r[2], &r[3]); /* R, G, B, A */
break;
fetch_texel(mach->Sampler, unit, unit,
&r[0], &r[1], &r[2], &r[3], &ZeroVec, /* inputs */
- derivs, offsets, tgsi_sampler_derivs_explicit,
+ derivs, offsets, TGSI_SAMPLER_DERIVS_EXPLICIT,
&r[0], &r[1], &r[2], &r[3]); /* outputs */
break;
fetch_texel(mach->Sampler, unit, unit,
&r[0], &r[1], &r[2], &r[3], &ZeroVec, /* inputs */
- derivs, offsets, tgsi_sampler_derivs_explicit,
+ derivs, offsets, TGSI_SAMPLER_DERIVS_EXPLICIT,
&r[0], &r[1], &r[2], &r[3]); /* outputs */
break;
exec_txf(struct tgsi_exec_machine *mach,
const struct tgsi_full_instruction *inst)
{
- const uint unit = inst->Src[1].Register.Index;
union tgsi_exec_channel r[4];
uint chan;
+ uint unit;
float rgba[TGSI_NUM_CHANNELS][TGSI_QUAD_SIZE];
int j;
int8_t offsets[3];
unsigned target;
+ unit = fetch_sampler_unit(mach, inst, 1);
/* always fetch all 3 offsets, overkill but keeps code simple */
fetch_texel_offsets(mach, inst, offsets);
IFETCH(&r[3], 0, TGSI_CHAN_W);
- if (inst->Instruction.Opcode == TGSI_OPCODE_SAMPLE_I) {
+ if (inst->Instruction.Opcode == TGSI_OPCODE_SAMPLE_I ||
+ inst->Instruction.Opcode == TGSI_OPCODE_SAMPLE_I_MS) {
target = mach->SamplerViews[unit].Resource;
}
else {
r[3].f[j] = rgba[3][j];
}
- if (inst->Instruction.Opcode == TGSI_OPCODE_SAMPLE_I) {
+ if (inst->Instruction.Opcode == TGSI_OPCODE_SAMPLE_I ||
+ inst->Instruction.Opcode == TGSI_OPCODE_SAMPLE_I_MS) {
unsigned char swizzles[4];
swizzles[0] = inst->Src[1].Register.SwizzleX;
swizzles[1] = inst->Src[1].Register.SwizzleY;
exec_txq(struct tgsi_exec_machine *mach,
const struct tgsi_full_instruction *inst)
{
- const uint unit = inst->Src[1].Register.Index;
int result[4];
union tgsi_exec_channel r[4], src;
uint chan;
+ uint unit;
int i,j;
+ unit = fetch_sampler_unit(mach, inst, 1);
+
fetch_source(mach, &src, &inst->Src[0], TGSI_CHAN_X, TGSI_EXEC_DATA_INT);
/* XXX: This interface can't return per-pixel values */
{
const uint resource_unit = inst->Src[1].Register.Index;
const uint sampler_unit = inst->Src[2].Register.Index;
- union tgsi_exec_channel r[4], c1;
+ union tgsi_exec_channel r[5], c1;
const union tgsi_exec_channel *lod = &ZeroVec;
- enum tgsi_sampler_control control = tgsi_sampler_lod_none;
+ enum tgsi_sampler_control control = TGSI_SAMPLER_LOD_NONE;
uint chan;
unsigned char swizzles[4];
int8_t offsets[3];
if (modifier == TEX_MODIFIER_LOD_BIAS) {
FETCH(&c1, 3, TGSI_CHAN_X);
lod = &c1;
- control = tgsi_sampler_lod_bias;
+ control = TGSI_SAMPLER_LOD_BIAS;
}
else if (modifier == TEX_MODIFIER_EXPLICIT_LOD) {
FETCH(&c1, 3, TGSI_CHAN_X);
lod = &c1;
- control = tgsi_sampler_lod_explicit;
+ control = TGSI_SAMPLER_LOD_EXPLICIT;
}
else {
assert(modifier == TEX_MODIFIER_LEVEL_ZERO);
- control = tgsi_sampler_lod_zero;
+ control = TGSI_SAMPLER_LOD_ZERO;
}
}
fetch_texel(mach->Sampler, resource_unit, sampler_unit,
&r[0], &r[1], &ZeroVec, &ZeroVec, &ZeroVec, /* S, T, P, C, LOD */
- derivs, offsets, tgsi_sampler_derivs_explicit,
+ derivs, offsets, TGSI_SAMPLER_DERIVS_EXPLICIT,
&r[0], &r[1], &r[2], &r[3]); /* R, G, B, A */
break;
fetch_texel(mach->Sampler, resource_unit, sampler_unit,
&r[0], &r[1], &r[2], &ZeroVec, &ZeroVec, /* inputs */
- derivs, offsets, tgsi_sampler_derivs_explicit,
+ derivs, offsets, TGSI_SAMPLER_DERIVS_EXPLICIT,
&r[0], &r[1], &r[2], &r[3]); /* outputs */
break;
fetch_texel(mach->Sampler, resource_unit, sampler_unit,
&r[0], &r[1], &r[2], &r[3], &ZeroVec,
- derivs, offsets, tgsi_sampler_derivs_explicit,
+ derivs, offsets, TGSI_SAMPLER_DERIVS_EXPLICIT,
&r[0], &r[1], &r[2], &r[3]);
break;
}
}
+static void
+exec_pk2h(struct tgsi_exec_machine *mach,
+ const struct tgsi_full_instruction *inst)
+{
+ unsigned chan;
+ union tgsi_exec_channel arg[2], dst;
+
+ fetch_source(mach, &arg[0], &inst->Src[0], TGSI_CHAN_X, TGSI_EXEC_DATA_FLOAT);
+ fetch_source(mach, &arg[1], &inst->Src[0], TGSI_CHAN_Y, TGSI_EXEC_DATA_FLOAT);
+ for (chan = 0; chan < TGSI_QUAD_SIZE; chan++) {
+ dst.u[chan] = util_float_to_half(arg[0].f[chan]) |
+ (util_float_to_half(arg[1].f[chan]) << 16);
+ }
+ for (chan = 0; chan < TGSI_NUM_CHANNELS; chan++) {
+ if (inst->Dst[0].Register.WriteMask & (1 << chan)) {
+ store_dest(mach, &dst, &inst->Dst[0], inst, chan, TGSI_EXEC_DATA_UINT);
+ }
+ }
+}
+
+static void
+exec_up2h(struct tgsi_exec_machine *mach,
+ const struct tgsi_full_instruction *inst)
+{
+ unsigned chan;
+ union tgsi_exec_channel arg, dst[2];
+
+ fetch_source(mach, &arg, &inst->Src[0], TGSI_CHAN_X, TGSI_EXEC_DATA_UINT);
+ for (chan = 0; chan < TGSI_QUAD_SIZE; chan++) {
+ dst[0].f[chan] = util_half_to_float(arg.u[chan] & 0xffff);
+ dst[1].f[chan] = util_half_to_float(arg.u[chan] >> 16);
+ }
+ for (chan = 0; chan < TGSI_NUM_CHANNELS; chan++) {
+ if (inst->Dst[0].Register.WriteMask & (1 << chan)) {
+ store_dest(mach, &dst[chan & 1], &inst->Dst[0], inst, chan, TGSI_EXEC_DATA_FLOAT);
+ }
+ }
+}
+
static void
exec_scs(struct tgsi_exec_machine *mach,
const struct tgsi_full_instruction *inst)
union tgsi_double_channel temp;
const uint execmask = mach->ExecMask;
- switch (inst->Instruction.Saturate) {
- case TGSI_SAT_NONE:
+ if (!inst->Instruction.Saturate) {
for (i = 0; i < TGSI_QUAD_SIZE; i++)
if (execmask & (1 << i)) {
dst[0].u[i] = chan->u[i][0];
dst[1].u[i] = chan->u[i][1];
}
- break;
-
- case TGSI_SAT_ZERO_ONE:
+ }
+ else {
for (i = 0; i < TGSI_QUAD_SIZE; i++)
if (execmask & (1 << i)) {
if (chan->d[i] < 0.0)
dst[0].u[i] = temp.u[i][0];
dst[1].u[i] = temp.u[i][1];
}
- break;
-
- case TGSI_SAT_MINUS_PLUS_ONE:
- for (i = 0; i < TGSI_QUAD_SIZE; i++)
- if (execmask & (1 << i)) {
- if (chan->d[i] < -1.0)
- temp.d[i] = -1.0;
- else if (chan->d[i] > 1.0)
- temp.d[i] = 1.0;
- else
- temp.d[i] = chan->d[i];
-
- dst[0].u[i] = temp.u[i][0];
- dst[1].u[i] = temp.u[i][1];
- }
- break;
-
- default:
- assert( 0 );
}
store_dest_double(mach, &dst[0], reg, inst, chan_0, TGSI_EXEC_DATA_UINT);
break;
case TGSI_OPCODE_PK2H:
- assert (0);
+ exec_pk2h(mach, inst);
break;
case TGSI_OPCODE_PK2US:
exec_tex(mach, inst, TEX_MODIFIER_PROJECTED, 1);
break;
+ case TGSI_OPCODE_TG4:
+ /* src[0] = texcoord */
+ /* src[1] = component */
+ /* src[2] = sampler unit */
+ exec_tex(mach, inst, TEX_MODIFIER_GATHER, 2);
+ break;
+
+ case TGSI_OPCODE_LODQ:
+ /* src[0] = texcoord */
+ /* src[1] = sampler unit */
+ exec_lodq(mach, inst);
+ break;
+
case TGSI_OPCODE_UP2H:
- assert (0);
+ exec_up2h(mach, inst);
break;
case TGSI_OPCODE_UP2US:
mach->BreakStack[mach->BreakStackTop++] = mach->BreakType;
mach->FuncStack[mach->FuncStackTop++] = mach->FuncMask;
- /* Finally, jump to the subroutine */
+ /* Finally, jump to the subroutine. The label is a pointer
+ * (an instruction number) to the BGNSUB instruction.
+ */
*pc = inst->Label.Label;
+ assert(mach->Instructions[*pc].Instruction.Opcode
+ == TGSI_OPCODE_BGNSUB);
}
break;
break;
case TGSI_OPCODE_SAMPLE_I_MS:
- assert(0);
+ exec_txf(mach, inst);
break;
case TGSI_OPCODE_SAMPLE:
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