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st/glsl_to_tgsi: convert dst to an array

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This is just prep work for fp64 support where we need
an array of 2 dst values.

Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie
2015-02-17 09:39:05 +10:00
parent c442d0961e
commit 12150a5bee
1 changed files with 65 additions and 65 deletions
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src/mesa/state_tracker/st_glsl_to_tgsi.cpp
+65 -65
View File
@@ -229,7 +229,7 @@ public:
DECLARE_RALLOC_CXX_OPERATORS(glsl_to_tgsi_instruction)
unsigned op;
st_dst_reg dst;
st_dst_reg dst[1];
st_src_reg src[4];
/** Pointer to the ir source this tree came from for debugging */
ir_instruction *ir;
@@ -551,7 +551,7 @@ glsl_to_tgsi_visitor::emit(ir_instruction *ir, unsigned op,
assert(num_reladdr == 0);
inst->op = op;
inst->dst = dst;
inst->dst[0] = dst;
inst->src[0] = src0;
inst->src[1] = src1;
inst->src[2] = src2;
@@ -768,7 +768,7 @@ glsl_to_tgsi_visitor::emit_scalar(ir_instruction *ir, unsigned op,
src1_swiz, src1_swiz);
inst = emit(ir, op, dst, src0, src1);
inst->dst.writemask = this_mask;
inst->dst[0].writemask = this_mask;
done_mask |= this_mask;
}
}
@@ -875,7 +875,7 @@ glsl_to_tgsi_visitor::emit_scs(ir_instruction *ir, unsigned op,
/* Emit the SCS instruction.
*/
inst = emit(ir, TGSI_OPCODE_SCS, tmp_dst, src0);
inst->dst.writemask = scs_mask;
inst->dst[0].writemask = scs_mask;
/* Move the result of the SCS instruction to the desired location in
* the destination.
@@ -883,12 +883,12 @@ glsl_to_tgsi_visitor::emit_scs(ir_instruction *ir, unsigned op,
tmp.swizzle = MAKE_SWIZZLE4(component, component,
component, component);
inst = emit(ir, TGSI_OPCODE_SCS, dst, tmp);
inst->dst.writemask = this_mask;
inst->dst[0].writemask = this_mask;
} else {
/* Emit the SCS instruction to write directly to the destination.
*/
glsl_to_tgsi_instruction *inst = emit(ir, TGSI_OPCODE_SCS, dst, src0);
inst->dst.writemask = scs_mask;
inst->dst[0].writemask = scs_mask;
}
done_mask |= this_mask;
@@ -2520,7 +2520,7 @@ glsl_to_tgsi_visitor::visit(ir_assignment *ir)
this->instructions.get_tail() &&
ir->rhs == ((glsl_to_tgsi_instruction *)this->instructions.get_tail())->ir &&
type_size(ir->lhs->type) == 1 &&
l.writemask == ((glsl_to_tgsi_instruction *)this->instructions.get_tail())->dst.writemask) {
l.writemask == ((glsl_to_tgsi_instruction *)this->instructions.get_tail())->dst[0].writemask) {
/* To avoid emitting an extra MOV when assigning an expression to a
* variable, emit the last instruction of the expression again, but
* replace the destination register with the target of the assignment.
@@ -2530,7 +2530,7 @@ glsl_to_tgsi_visitor::visit(ir_assignment *ir)
inst = (glsl_to_tgsi_instruction *)this->instructions.get_tail();
new_inst = emit(ir, inst->op, l, inst->src[0], inst->src[1], inst->src[2]);
new_inst->saturate = inst->saturate;
inst->dead_mask = inst->dst.writemask;
inst->dead_mask = inst->dst[0].writemask;
} else {
emit_block_mov(ir, ir->rhs->type, &l, &r, NULL, false);
}
@@ -3297,7 +3297,7 @@ glsl_to_tgsi_visitor::simplify_cmp(void)
unsigned prevWriteMask = 0;
/* Give up if we encounter relative addressing or flow control. */
if (inst->dst.reladdr ||
if (inst->dst[0].reladdr ||
tgsi_get_opcode_info(inst->op)->is_branch ||
inst->op == TGSI_OPCODE_BGNSUB ||
inst->op == TGSI_OPCODE_CONT ||
@@ -3307,12 +3307,12 @@ glsl_to_tgsi_visitor::simplify_cmp(void)
break;
}
if (inst->dst.file == PROGRAM_OUTPUT) {
assert(inst->dst.index < MAX_PROGRAM_OUTPUTS);
prevWriteMask = outputWrites[inst->dst.index];
outputWrites[inst->dst.index] |= inst->dst.writemask;
} else if (inst->dst.file == PROGRAM_TEMPORARY) {
if (inst->dst.index >= tempWritesSize) {
if (inst->dst[0].file == PROGRAM_OUTPUT) {
assert(inst->dst[0].index < MAX_PROGRAM_OUTPUTS);
prevWriteMask = outputWrites[inst->dst[0].index];
outputWrites[inst->dst[0].index] |= inst->dst[0].writemask;
} else if (inst->dst[0].file == PROGRAM_TEMPORARY) {
if (inst->dst[0].index >= tempWritesSize) {
const int inc = 4096;
tempWrites = (unsigned*)
@@ -3325,18 +3325,18 @@ glsl_to_tgsi_visitor::simplify_cmp(void)
tempWritesSize += inc;
}
prevWriteMask = tempWrites[inst->dst.index];
tempWrites[inst->dst.index] |= inst->dst.writemask;
prevWriteMask = tempWrites[inst->dst[0].index];
tempWrites[inst->dst[0].index] |= inst->dst[0].writemask;
} else
continue;
/* For a CMP to be considered a conditional write, the destination
* register and source register two must be the same. */
if (inst->op == TGSI_OPCODE_CMP
&& !(inst->dst.writemask & prevWriteMask)
&& inst->src[2].file == inst->dst.file
&& inst->src[2].index == inst->dst.index
&& inst->dst.writemask == get_src_arg_mask(inst->dst, inst->src[2])) {
&& !(inst->dst[0].writemask & prevWriteMask)
&& inst->src[2].file == inst->dst[0].file
&& inst->src[2].index == inst->dst[0].index
&& inst->dst[0].writemask == get_src_arg_mask(inst->dst[0], inst->src[2])) {
inst->op = TGSI_OPCODE_MOV;
inst->src[0] = inst->src[1];
@@ -3367,8 +3367,8 @@ glsl_to_tgsi_visitor::rename_temp_register(int index, int new_index)
}
}
if (inst->dst.file == PROGRAM_TEMPORARY && inst->dst.index == index) {
inst->dst.index = new_index;
if (inst->dst[0].file == PROGRAM_TEMPORARY && inst->dst[0].index == index) {
inst->dst[0].index = new_index;
}
}
}
@@ -3414,7 +3414,7 @@ glsl_to_tgsi_visitor::get_first_temp_write(int index)
int i = 0;
foreach_in_list(glsl_to_tgsi_instruction, inst, &this->instructions) {
if (inst->dst.file == PROGRAM_TEMPORARY && inst->dst.index == index) {
if (inst->dst[0].file == PROGRAM_TEMPORARY && inst->dst[0].index == index) {
return (depth == 0) ? i : loop_start;
}
if (inst->op == TGSI_OPCODE_BGNLOOP) {
@@ -3469,7 +3469,7 @@ glsl_to_tgsi_visitor::get_last_temp_write(int index)
int i = 0;
foreach_in_list(glsl_to_tgsi_instruction, inst, &this->instructions) {
if (inst->dst.file == PROGRAM_TEMPORARY && inst->dst.index == index)
if (inst->dst[0].file == PROGRAM_TEMPORARY && inst->dst[0].index == index)
last = (depth == 0) ? i : -2;
if (inst->op == TGSI_OPCODE_BGNLOOP)
@@ -3514,8 +3514,8 @@ glsl_to_tgsi_visitor::copy_propagate(void)
int level = 0;
foreach_in_list(glsl_to_tgsi_instruction, inst, &this->instructions) {
assert(inst->dst.file != PROGRAM_TEMPORARY
|| inst->dst.index < this->next_temp);
assert(inst->dst[0].file != PROGRAM_TEMPORARY
|| inst->dst[0].index < this->next_temp);
/* First, do any copy propagation possible into the src regs. */
for (int r = 0; r < 3; r++) {
@@ -3608,13 +3608,13 @@ glsl_to_tgsi_visitor::copy_propagate(void)
/* Continuing the block, clear any written channels from
* the ACP.
*/
if (inst->dst.file == PROGRAM_TEMPORARY && inst->dst.reladdr) {
if (inst->dst[0].file == PROGRAM_TEMPORARY && inst->dst[0].reladdr) {
/* Any temporary might be written, so no copy propagation
* across this instruction.
*/
memset(acp, 0, sizeof(*acp) * this->next_temp * 4);
} else if (inst->dst.file == PROGRAM_OUTPUT &&
inst->dst.reladdr) {
} else if (inst->dst[0].file == PROGRAM_OUTPUT &&
inst->dst[0].reladdr) {
/* Any output might be written, so no copy propagation
* from outputs across this instruction.
*/
@@ -3627,13 +3627,13 @@ glsl_to_tgsi_visitor::copy_propagate(void)
acp[4 * r + c] = NULL;
}
}
} else if (inst->dst.file == PROGRAM_TEMPORARY ||
inst->dst.file == PROGRAM_OUTPUT) {
} else if (inst->dst[0].file == PROGRAM_TEMPORARY ||
inst->dst[0].file == PROGRAM_OUTPUT) {
/* Clear where it's used as dst. */
if (inst->dst.file == PROGRAM_TEMPORARY) {
if (inst->dst[0].file == PROGRAM_TEMPORARY) {
for (int c = 0; c < 4; c++) {
if (inst->dst.writemask & (1 << c)) {
acp[4 * inst->dst.index + c] = NULL;
if (inst->dst[0].writemask & (1 << c)) {
acp[4 * inst->dst[0].index + c] = NULL;
}
}
}
@@ -3646,9 +3646,9 @@ glsl_to_tgsi_visitor::copy_propagate(void)
int src_chan = GET_SWZ(acp[4 * r + c]->src[0].swizzle, c);
if (acp[4 * r + c]->src[0].file == inst->dst.file &&
acp[4 * r + c]->src[0].index == inst->dst.index &&
inst->dst.writemask & (1 << src_chan))
if (acp[4 * r + c]->src[0].file == inst->dst[0].file &&
acp[4 * r + c]->src[0].index == inst->dst[0].index &&
inst->dst[0].writemask & (1 << src_chan))
acp[4 * r + c] = NULL;
}
}
@@ -3658,18 +3658,18 @@ glsl_to_tgsi_visitor::copy_propagate(void)
/* If this is a copy, add it to the ACP. */
if (inst->op == TGSI_OPCODE_MOV &&
inst->dst.file == PROGRAM_TEMPORARY &&
!(inst->dst.file == inst->src[0].file &&
inst->dst.index == inst->src[0].index) &&
!inst->dst.reladdr &&
inst->dst[0].file == PROGRAM_TEMPORARY &&
!(inst->dst[0].file == inst->src[0].file &&
inst->dst[0].index == inst->src[0].index) &&
!inst->dst[0].reladdr &&
!inst->saturate &&
!inst->src[0].reladdr &&
!inst->src[0].reladdr2 &&
!inst->src[0].negate) {
for (int i = 0; i < 4; i++) {
if (inst->dst.writemask & (1 << i)) {
acp[4 * inst->dst.index + i] = inst;
acp_level[4 * inst->dst.index + i] = level;
if (inst->dst[0].writemask & (1 << i)) {
acp[4 * inst->dst[0].index + i] = inst;
acp_level[4 * inst->dst[0].index + i] = level;
}
}
}
@@ -3706,8 +3706,8 @@ glsl_to_tgsi_visitor::eliminate_dead_code(void)
int removed = 0;
foreach_in_list(glsl_to_tgsi_instruction, inst, &this->instructions) {
assert(inst->dst.file != PROGRAM_TEMPORARY
|| inst->dst.index < this->next_temp);
assert(inst->dst[0].file != PROGRAM_TEMPORARY
|| inst->dst[0].index < this->next_temp);
switch (inst->op) {
case TGSI_OPCODE_BGNLOOP:
@@ -3796,19 +3796,19 @@ glsl_to_tgsi_visitor::eliminate_dead_code(void)
* If there is already an instruction in the write array for one or more
* of the channels, flag that channel write as dead.
*/
if (inst->dst.file == PROGRAM_TEMPORARY &&
!inst->dst.reladdr &&
if (inst->dst[0].file == PROGRAM_TEMPORARY &&
!inst->dst[0].reladdr &&
!inst->saturate) {
for (int c = 0; c < 4; c++) {
if (inst->dst.writemask & (1 << c)) {
if (writes[4 * inst->dst.index + c]) {
if (write_level[4 * inst->dst.index + c] < level)
if (inst->dst[0].writemask & (1 << c)) {
if (writes[4 * inst->dst[0].index + c]) {
if (write_level[4 * inst->dst[0].index + c] < level)
continue;
else
writes[4 * inst->dst.index + c]->dead_mask |= (1 << c);
writes[4 * inst->dst[0].index + c]->dead_mask |= (1 << c);
}
writes[4 * inst->dst.index + c] = inst;
write_level[4 * inst->dst.index + c] = level;
writes[4 * inst->dst[0].index + c] = inst;
write_level[4 * inst->dst[0].index + c] = level;
}
}
}
@@ -3827,14 +3827,14 @@ glsl_to_tgsi_visitor::eliminate_dead_code(void)
* the writemask of other instructions with dead channels.
*/
foreach_in_list_safe(glsl_to_tgsi_instruction, inst, &this->instructions) {
if (!inst->dead_mask || !inst->dst.writemask)
if (!inst->dead_mask || !inst->dst[0].writemask)
continue;
else if ((inst->dst.writemask & ~inst->dead_mask) == 0) {
else if ((inst->dst[0].writemask & ~inst->dead_mask) == 0) {
inst->remove();
delete inst;
removed++;
} else
inst->dst.writemask &= ~(inst->dead_mask);
inst->dst[0].writemask &= ~(inst->dead_mask);
}
ralloc_free(write_level);
@@ -4017,8 +4017,8 @@ get_pixel_transfer_visitor(struct st_fragment_program *fp,
glsl_to_tgsi_instruction *newinst;
st_src_reg src_regs[3];
if (inst->dst.file == PROGRAM_OUTPUT)
prog->OutputsWritten |= BITFIELD64_BIT(inst->dst.index);
if (inst->dst[0].file == PROGRAM_OUTPUT)
prog->OutputsWritten |= BITFIELD64_BIT(inst->dst[0].index);
for (int i = 0; i < 3; i++) {
src_regs[i] = inst->src[i];
@@ -4031,7 +4031,7 @@ get_pixel_transfer_visitor(struct st_fragment_program *fp,
prog->InputsRead |= BITFIELD64_BIT(src_regs[i].index);
}
newinst = v->emit(NULL, inst->op, inst->dst, src_regs[0], src_regs[1], src_regs[2]);
newinst = v->emit(NULL, inst->op, inst->dst[0], src_regs[0], src_regs[1], src_regs[2]);
newinst->tex_target = inst->tex_target;
newinst->sampler_array_size = inst->sampler_array_size;
}
@@ -4102,8 +4102,8 @@ get_bitmap_visitor(struct st_fragment_program *fp,
glsl_to_tgsi_instruction *newinst;
st_src_reg src_regs[3];
if (inst->dst.file == PROGRAM_OUTPUT)
prog->OutputsWritten |= BITFIELD64_BIT(inst->dst.index);
if (inst->dst[0].file == PROGRAM_OUTPUT)
prog->OutputsWritten |= BITFIELD64_BIT(inst->dst[0].index);
for (int i = 0; i < 3; i++) {
src_regs[i] = inst->src[i];
@@ -4111,7 +4111,7 @@ get_bitmap_visitor(struct st_fragment_program *fp,
prog->InputsRead |= BITFIELD64_BIT(src_regs[i].index);
}
newinst = v->emit(NULL, inst->op, inst->dst, src_regs[0], src_regs[1], src_regs[2]);
newinst = v->emit(NULL, inst->op, inst->dst[0], src_regs[0], src_regs[1], src_regs[2]);
newinst->tex_target = inst->tex_target;
newinst->sampler_array_size = inst->sampler_array_size;
}
@@ -4533,7 +4533,7 @@ compile_tgsi_instruction(struct st_translate *t,
if (num_dst)
dst[0] = translate_dst(t,
&inst->dst,
&inst->dst[0],
inst->saturate,
clamp_dst_color_output);