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r600g: rework literal handling

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This commit is contained in:
Christian König 2010-12-22 17:45:51 +01:00
parent d7342f6a81
commit 96f8f8db7b
5 changed files with 151 additions and 277 deletions
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189
src/gallium/drivers/r600/r600_asm.c
View file

@ -608,10 +608,90 @@ static int replace_gpr_with_pv_ps(struct r600_bc_alu *slots[5], struct r600_bc_a
return 0;
}
void r600_bc_special_constants(u32 value, unsigned *sel, unsigned *neg)
{
switch(value) {
case 0:
*sel = V_SQ_ALU_SRC_0;
break;
case 1:
*sel = V_SQ_ALU_SRC_1_INT;
break;
case -1:
*sel = V_SQ_ALU_SRC_M_1_INT;
break;
case 0x3F800000: // 1.0f
*sel = V_SQ_ALU_SRC_1;
break;
case 0x3F000000: // 0.5f
*sel = V_SQ_ALU_SRC_0_5;
break;
case 0xBF800000: // -1.0f
*sel = V_SQ_ALU_SRC_1;
*neg ^= 1;
break;
case 0xBF000000: // -0.5f
*sel = V_SQ_ALU_SRC_0_5;
*neg ^= 1;
break;
default:
*sel = V_SQ_ALU_SRC_LITERAL;
break;
}
}
/* compute how many literal are needed */
static int r600_bc_alu_nliterals(struct r600_bc_alu *alu, uint32_t literal[4], unsigned *nliteral)
{
unsigned num_src = r600_bc_get_num_operands(alu);
unsigned i, j;
for (i = 0; i < num_src; ++i) {
if (alu->src[i].sel == V_SQ_ALU_SRC_LITERAL) {
uint32_t value = alu->src[i].value[alu->src[i].chan];
unsigned found = 0;
for (j = 0; j < *nliteral; ++j) {
if (literal[j] == value) {
found = 1;
break;
}
}
if (!found) {
if (*nliteral >= 4)
return -EINVAL;
literal[(*nliteral)++] = value;
}
}
}
return 0;
}
static void r600_bc_alu_adjust_literals(struct r600_bc_alu *alu, uint32_t literal[4], unsigned nliteral)
{
unsigned num_src = r600_bc_get_num_operands(alu);
unsigned i, j;
for (i = 0; i < num_src; ++i) {
if (alu->src[i].sel == V_SQ_ALU_SRC_LITERAL) {
uint32_t value = alu->src[i].value[alu->src[i].chan];
for (j = 0; j < nliteral; ++j) {
if (literal[j] == value) {
alu->src[i].chan = j;
break;
}
}
}
}
}
static int merge_inst_groups(struct r600_bc *bc, struct r600_bc_alu *slots[5], struct r600_bc_alu *alu_prev)
{
struct r600_bc_alu *prev[5];
struct r600_bc_alu *result[5] = { NULL };
uint32_t literal[4];
unsigned nliteral = 0;
int i, j, r, src, num_src;
int num_once_inst = 0;
@ -620,13 +700,12 @@ static int merge_inst_groups(struct r600_bc *bc, struct r600_bc_alu *slots[5], s
return r;
for (i = 0; i < 5; ++i) {
// TODO: we have literals? forget it!
if (prev[i] && prev[i]->nliteral)
/* check number of literals */
if (prev[i] && r600_bc_alu_nliterals(prev[i], literal, &nliteral))
return 0;
if (slots[i] && slots[i]->nliteral)
if (slots[i] && r600_bc_alu_nliterals(slots[i], literal, &nliteral))
return 0;
// let's check used slots
if (prev[i] && !slots[i]) {
result[i] = prev[i];
@ -834,7 +913,6 @@ int r600_bc_add_alu_type(struct r600_bc *bc, const struct r600_bc_alu *alu, int
if (nalu == NULL)
return -ENOMEM;
memcpy(nalu, alu, sizeof(struct r600_bc_alu));
nalu->nliteral = 0;
if (bc->cf_last != NULL && bc->cf_last->inst != (type << 3)) {
/* check if we could add it anyway */
@ -880,20 +958,10 @@ int r600_bc_add_alu_type(struct r600_bc *bc, const struct r600_bc_alu *alu, int
if (nalu->src[i].sel >= bc->ngpr && nalu->src[i].sel < 128) {
bc->ngpr = nalu->src[i].sel + 1;
}
/* compute how many literal are needed
* either 2 or 4 literals
*/
if (nalu->src[i].sel == 253) {
if (((nalu->src[i].chan + 2) & 0x6) > nalu->nliteral) {
nalu->nliteral = (nalu->src[i].chan + 2) & 0x6;
}
}
}
if (!LIST_IS_EMPTY(&bc->cf_last->alu)) {
lalu = LIST_ENTRY(struct r600_bc_alu, bc->cf_last->alu.prev, list);
if (!lalu->last && lalu->nliteral > nalu->nliteral) {
nalu->nliteral = lalu->nliteral;
}
if (nalu->src[i].sel == V_SQ_ALU_SRC_LITERAL)
r600_bc_special_constants(
nalu->src[i].value[nalu->src[i].chan],
&nalu->src[i].sel, &nalu->src[i].neg);
}
if (nalu->dst.sel >= bc->ngpr) {
bc->ngpr = nalu->dst.sel + 1;
@ -938,46 +1006,6 @@ int r600_bc_add_alu(struct r600_bc *bc, const struct r600_bc_alu *alu)
return r600_bc_add_alu_type(bc, alu, BC_INST(bc, V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU));
}
int r600_bc_add_literal(struct r600_bc *bc, const u32 *value)
{
struct r600_bc_alu *alu;
if (bc->cf_last == NULL) {
return 0;
}
if (bc->cf_last->inst == V_SQ_CF_WORD1_SQ_CF_INST_TEX) {
return 0;
}
/* all same on EG */
if (bc->cf_last->inst == V_SQ_CF_WORD1_SQ_CF_INST_JUMP ||
bc->cf_last->inst == V_SQ_CF_WORD1_SQ_CF_INST_ELSE ||
bc->cf_last->inst == V_SQ_CF_WORD1_SQ_CF_INST_LOOP_START_NO_AL ||
bc->cf_last->inst == V_SQ_CF_WORD1_SQ_CF_INST_LOOP_BREAK ||
bc->cf_last->inst == V_SQ_CF_WORD1_SQ_CF_INST_LOOP_CONTINUE ||
bc->cf_last->inst == V_SQ_CF_WORD1_SQ_CF_INST_LOOP_END ||
bc->cf_last->inst == V_SQ_CF_WORD1_SQ_CF_INST_POP) {
return 0;
}
/* same on EG */
if (((bc->cf_last->inst != (V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU << 3)) &&
(bc->cf_last->inst != (V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU_POP_AFTER << 3)) &&
(bc->cf_last->inst != (V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU_POP2_AFTER << 3)) &&
(bc->cf_last->inst != (V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU_PUSH_BEFORE << 3))) ||
LIST_IS_EMPTY(&bc->cf_last->alu)) {
R600_ERR("last CF is not ALU (%p)\n", bc->cf_last);
return -EINVAL;
}
alu = LIST_ENTRY(struct r600_bc_alu, bc->cf_last->alu.prev, list);
if (!alu->last || !alu->nliteral || alu->literal_added) {
return 0;
}
memcpy(alu->value, value, 4 * 4);
bc->cf_last->ndw += alu->nliteral;
bc->ndw += alu->nliteral;
alu->literal_added = 1;
return 0;
}
int r600_bc_add_vtx(struct r600_bc *bc, const struct r600_bc_vtx *vtx)
{
struct r600_bc_vtx *nvtx = r600_bc_vtx();
@ -1134,8 +1162,6 @@ static int r600_bc_tex_build(struct r600_bc *bc, struct r600_bc_tex *tex, unsign
/* r600 only, r700/eg bits in r700_asm.c */
static int r600_bc_alu_build(struct r600_bc *bc, struct r600_bc_alu *alu, unsigned id)
{
unsigned i;
/* don't replace gpr by pv or ps for destination register */
bc->bytecode[id++] = S_SQ_ALU_WORD0_SRC0_SEL(alu->src[0].sel) |
S_SQ_ALU_WORD0_SRC0_REL(alu->src[0].rel) |
@ -1172,14 +1198,6 @@ static int r600_bc_alu_build(struct r600_bc *bc, struct r600_bc_alu *alu, unsign
S_SQ_ALU_WORD1_OP2_UPDATE_EXECUTE_MASK(alu->predicate) |
S_SQ_ALU_WORD1_OP2_UPDATE_PRED(alu->predicate);
}
if (alu->last) {
if (alu->nliteral && !alu->literal_added) {
R600_ERR("Bug in ALU processing for instruction 0x%08x, literal not added correctly\n", alu->inst);
}
for (i = 0; i < alu->nliteral; i++) {
bc->bytecode[id++] = alu->value[i];
}
}
return 0;
}
@ -1257,8 +1275,10 @@ int r600_bc_build(struct r600_bc *bc)
struct r600_bc_alu *alu;
struct r600_bc_vtx *vtx;
struct r600_bc_tex *tex;
uint32_t literal[4];
unsigned nliteral;
unsigned addr;
int r;
int i, r;
if (bc->callstack[0].max > 0)
bc->nstack = ((bc->callstack[0].max + 3) >> 2) + 2;
@ -1275,6 +1295,16 @@ int r600_bc_build(struct r600_bc *bc)
case (V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU_POP_AFTER << 3):
case (V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU_POP2_AFTER << 3):
case (V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU_PUSH_BEFORE << 3):
nliteral = 0;
LIST_FOR_EACH_ENTRY(alu, &cf->alu, list) {
r = r600_bc_alu_nliterals(alu, literal, &nliteral);
if (r)
return r;
if (alu->last) {
cf->ndw += align(nliteral, 2);
nliteral = 0;
}
}
break;
case V_SQ_CF_WORD1_SQ_CF_INST_TEX:
case V_SQ_CF_WORD1_SQ_CF_INST_VTX:
@ -1323,7 +1353,12 @@ int r600_bc_build(struct r600_bc *bc)
case (V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU_POP_AFTER << 3):
case (V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU_POP2_AFTER << 3):
case (V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU_PUSH_BEFORE << 3):
nliteral = 0;
LIST_FOR_EACH_ENTRY(alu, &cf->alu, list) {
r = r600_bc_alu_nliterals(alu, literal, &nliteral);
if (r)
return r;
r600_bc_alu_adjust_literals(alu, literal, nliteral);
switch(bc->chiprev) {
case CHIPREV_R600:
r = r600_bc_alu_build(bc, alu, addr);
@ -1340,7 +1375,10 @@ int r600_bc_build(struct r600_bc *bc)
return r;
addr += 2;
if (alu->last) {
addr += alu->nliteral;
for (i = 0; i < align(nliteral, 2); ++i) {
bc->bytecode[addr++] = literal[i];
}
nliteral = 0;
}
}
break;
@ -1427,6 +1465,8 @@ void r600_bc_dump(struct r600_bc *bc)
struct r600_bc_tex *tex = NULL;
unsigned i, id;
uint32_t literal[4];
unsigned nliteral;
char chip = '6';
switch (bc->chiprev) {
@ -1513,7 +1553,10 @@ void r600_bc_dump(struct r600_bc *bc)
}
id = cf->addr;
nliteral = 0;
LIST_FOR_EACH_ENTRY(alu, &cf->alu, list) {
r600_bc_alu_nliterals(alu, literal, &nliteral);
fprintf(stderr, "%04d %08X ", id, bc->bytecode[id]);
fprintf(stderr, "SRC0(SEL:%d ", alu->src[0].sel);
fprintf(stderr, "REL:%d ", alu->src[0].rel);
@ -1548,10 +1591,12 @@ void r600_bc_dump(struct r600_bc *bc)
id++;
if (alu->last) {
for (i = 0; i < alu->nliteral; i++, id++) {
for (i = 0; i < nliteral; i++, id++) {
float *f = (float*)(bc->bytecode + id);
fprintf(stderr, "%04d %08X\t%f\n", id, bc->bytecode[id], *f);
}
id += nliteral & 1;
nliteral = 0;
}
}

6
src/gallium/drivers/r600/r600_asm.h
View file

@ -34,6 +34,7 @@ struct r600_bc_alu_src {
unsigned neg;
unsigned abs;
unsigned rel;
u32 *value;
};
struct r600_bc_alu_dst {
@ -52,11 +53,8 @@ struct r600_bc_alu {
unsigned last;
unsigned is_op3;
unsigned predicate;
unsigned nliteral;
unsigned literal_added;
unsigned bank_swizzle;
unsigned bank_swizzle_force;
u32 value[4];
unsigned omod;
};
@ -196,13 +194,13 @@ void eg_cf_vtx(struct r600_vertex_element *ve, u32 *bytecode, unsigned count);
int r600_bc_init(struct r600_bc *bc, enum radeon_family family);
void r600_bc_clear(struct r600_bc *bc);
int r600_bc_add_alu(struct r600_bc *bc, const struct r600_bc_alu *alu);
int r600_bc_add_literal(struct r600_bc *bc, const u32 *value);
int r600_bc_add_vtx(struct r600_bc *bc, const struct r600_bc_vtx *vtx);
int r600_bc_add_tex(struct r600_bc *bc, const struct r600_bc_tex *tex);
int r600_bc_add_output(struct r600_bc *bc, const struct r600_bc_output *output);
int r600_bc_build(struct r600_bc *bc);
int r600_bc_add_cfinst(struct r600_bc *bc, int inst);
int r600_bc_add_alu_type(struct r600_bc *bc, const struct r600_bc_alu *alu, int type);
void r600_bc_special_constants(u32 value, unsigned *sel, unsigned *neg);
void r600_bc_dump(struct r600_bc *bc);
void r600_cf_vtx(struct r600_vertex_element *ve, u32 *bytecode, unsigned count);
void r600_cf_vtx_tc(struct r600_vertex_element *ve, u32 *bytecode, unsigned count);

221
src/gallium/drivers/r600/r600_shader.c
View file

@ -225,11 +225,12 @@ int r600_pipe_shader(struct pipe_context *ctx, struct r600_pipe_shader *shader)
return 0;
}
int r600_shader_from_tgsi(const struct tgsi_token *tokens, struct r600_shader *shader);
int r600_shader_from_tgsi(const struct tgsi_token *tokens, struct r600_shader *shader, u32 **literals);
int r600_pipe_shader_create(struct pipe_context *ctx, struct r600_pipe_shader *shader, const struct tgsi_token *tokens)
{
static int dump_shaders = -1;
struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
u32 *literals;
int r;
/* Would like some magic "get_bool_option_once" routine.
@ -242,12 +243,13 @@ int r600_pipe_shader_create(struct pipe_context *ctx, struct r600_pipe_shader *s
tgsi_dump(tokens, 0);
}
shader->shader.family = r600_get_family(rctx->radeon);
r = r600_shader_from_tgsi(tokens, &shader->shader);
r = r600_shader_from_tgsi(tokens, &shader->shader, &literals);
if (r) {
R600_ERR("translation from TGSI failed !\n");
return r;
}
r = r600_bc_build(&shader->shader.bc);
free(literals);
if (r) {
R600_ERR("building bytecode failed !\n");
return r;
@ -282,7 +284,6 @@ struct r600_shader_ctx {
struct r600_shader_tgsi_instruction *inst_info;
struct r600_bc *bc;
struct r600_shader *shader;
u32 value[4];
u32 *literals;
u32 nliterals;
u32 max_driver_temp_used;
@ -491,7 +492,7 @@ static int evergreen_gpr_count(struct r600_shader_ctx *ctx)
return ctx->num_interp_gpr;
}
int r600_shader_from_tgsi(const struct tgsi_token *tokens, struct r600_shader *shader)
int r600_shader_from_tgsi(const struct tgsi_token *tokens, struct r600_shader *shader, u32 **literals)
{
struct tgsi_full_immediate *immediate;
struct r600_shader_ctx ctx;
@ -597,9 +598,6 @@ int r600_shader_from_tgsi(const struct tgsi_token *tokens, struct r600_shader *s
else
ctx.inst_info = &r600_shader_tgsi_instruction[opcode];
r = ctx.inst_info->process(&ctx);
if (r)
goto out_err;
r = r600_bc_add_literal(ctx.bc, ctx.value);
if (r)
goto out_err;
break;
@ -722,7 +720,7 @@ int r600_shader_from_tgsi(const struct tgsi_token *tokens, struct r600_shader *s
if (r)
goto out_err;
}
free(ctx.literals);
*literals = ctx.literals;
tgsi_parse_free(&ctx.parse);
return 0;
out_err:
@ -756,38 +754,13 @@ static int tgsi_src(struct r600_shader_ctx *ctx,
(tgsi_src->Register.SwizzleX == tgsi_src->Register.SwizzleW)) {
index = tgsi_src->Register.Index * 4 + tgsi_src->Register.SwizzleX;
switch(ctx->literals[index]) {
case 0:
r600_src->sel = V_SQ_ALU_SRC_0;
r600_bc_special_constants(ctx->literals[index], &r600_src->sel, &r600_src->neg);
if (r600_src->sel != V_SQ_ALU_SRC_LITERAL)
return 0;
case 1:
r600_src->sel = V_SQ_ALU_SRC_1_INT;
return 0;
case -1:
r600_src->sel = V_SQ_ALU_SRC_M_1_INT;
return 0;
case 0x3F800000: // 1.0f
r600_src->sel = V_SQ_ALU_SRC_1;
return 0;
case 0x3F000000: // 0.5f
r600_src->sel = V_SQ_ALU_SRC_0_5;
return 0;
case 0xBF800000: // -1.0f
r600_src->sel = V_SQ_ALU_SRC_1;
r600_src->neg ^= 1;
return 0;
case 0xBF000000: // -0.5f
r600_src->sel = V_SQ_ALU_SRC_0_5;
r600_src->neg ^= 1;
return 0;
}
}
index = tgsi_src->Register.Index;
r600_src->sel = V_SQ_ALU_SRC_LITERAL;
ctx->value[0] = ctx->literals[index * 4 + 0];
ctx->value[1] = ctx->literals[index * 4 + 1];
ctx->value[2] = ctx->literals[index * 4 + 2];
ctx->value[3] = ctx->literals[index * 4 + 3];
r600_src->value = ctx->literals + index * 4;
} else {
if (tgsi_src->Register.Indirect)
r600_src->rel = V_SQ_REL_RELATIVE;
@ -893,6 +866,7 @@ static int tgsi_split_literal_constant(struct r600_shader_ctx *ctx, struct r600_
alu.inst = CTX_INST(V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_MOV);
alu.src[0].sel = r600_src[i].sel;
alu.src[0].chan = k;
alu.src[0].value = r600_src[i].value;
alu.dst.sel = treg;
alu.dst.chan = k;
alu.dst.write = 1;
@ -902,9 +876,6 @@ static int tgsi_split_literal_constant(struct r600_shader_ctx *ctx, struct r600_
if (r)
return r;
}
r = r600_bc_add_literal(ctx->bc, &ctx->literals[inst->Src[i].Register.Index * 4]);
if (r)
return r;
r600_src[i].sel = treg;
j--;
}
@ -999,12 +970,14 @@ static int tgsi_op2_swap(struct r600_shader_ctx *ctx)
static int tgsi_setup_trig(struct r600_shader_ctx *ctx,
struct r600_bc_alu_src r600_src[3])
{
static float half_inv_pi = 1.0 /(3.1415926535 * 2);
static float double_pi = 3.1415926535 * 2;
static float neg_pi = -3.1415926535;
struct tgsi_full_instruction *inst = &ctx->parse.FullToken.FullInstruction;
int r, src0_chan;
uint32_t lit_vals[4];
int r;
struct r600_bc_alu alu;
memset(lit_vals, 0, 4*4);
r = tgsi_split_constant(ctx, r600_src);
if (r)
return r;
@ -1012,22 +985,6 @@ static int tgsi_setup_trig(struct r600_shader_ctx *ctx,
if (r)
return r;
src0_chan = tgsi_chan(&inst->Src[0], 0);
/* We are going to feed two literals to the MAD below,
* which means that if the first operand is a literal as well,
* we need to copy its value manually.
*/
if (r600_src[0].sel == V_SQ_ALU_SRC_LITERAL) {
unsigned index = inst->Src[0].Register.Index;
lit_vals[2] = ctx->literals[index * 4 + src0_chan];
src0_chan = 2;
}
lit_vals[0] = fui(1.0 /(3.1415926535 * 2));
lit_vals[1] = fui(0.5f);
memset(&alu, 0, sizeof(struct r600_bc_alu));
alu.inst = CTX_INST(V_SQ_ALU_WORD1_OP3_SQ_OP3_INST_MULADD);
alu.is_op3 = 1;
@ -1037,17 +994,15 @@ static int tgsi_setup_trig(struct r600_shader_ctx *ctx,
alu.dst.write = 1;
alu.src[0] = r600_src[0];
alu.src[0].chan = src0_chan;
alu.src[0].chan = tgsi_chan(&inst->Src[0], 0);
alu.src[1].sel = V_SQ_ALU_SRC_LITERAL;
alu.src[1].chan = 0;
alu.src[2].sel = V_SQ_ALU_SRC_LITERAL;
alu.src[1].value = (uint32_t *)&half_inv_pi;
alu.src[2].sel = V_SQ_ALU_SRC_0_5;
alu.src[2].chan = 1;
alu.last = 1;
r = r600_bc_add_alu(ctx->bc, &alu);
if (r)
return r;
r = r600_bc_add_literal(ctx->bc, lit_vals);
if (r)
return r;
@ -1065,14 +1020,6 @@ static int tgsi_setup_trig(struct r600_shader_ctx *ctx,
if (r)
return r;
if (ctx->bc->chiprev == CHIPREV_R600) {
lit_vals[0] = fui(3.1415926535897f * 2.0f);
lit_vals[1] = fui(-3.1415926535897f);
} else {
lit_vals[0] = fui(1.0f);
lit_vals[1] = fui(-0.5f);
}
memset(&alu, 0, sizeof(struct r600_bc_alu));
alu.inst = CTX_INST(V_SQ_ALU_WORD1_OP3_SQ_OP3_INST_MULADD);
alu.is_op3 = 1;
@ -1088,11 +1035,18 @@ static int tgsi_setup_trig(struct r600_shader_ctx *ctx,
alu.src[1].chan = 0;
alu.src[2].sel = V_SQ_ALU_SRC_LITERAL;
alu.src[2].chan = 1;
if (ctx->bc->chiprev == CHIPREV_R600) {
alu.src[1].value = (uint32_t *)&double_pi;
alu.src[2].value = (uint32_t *)&neg_pi;
} else {
alu.src[1].sel = V_SQ_ALU_SRC_1;
alu.src[2].sel = V_SQ_ALU_SRC_0_5;
alu.src[2].neg = 1;
}
alu.last = 1;
r = r600_bc_add_alu(ctx->bc, &alu);
if (r)
return r;
r = r600_bc_add_literal(ctx->bc, lit_vals);
if (r)
return r;
return 0;
@ -1210,10 +1164,6 @@ static int tgsi_scs(struct r600_shader_ctx *ctx)
r = r600_bc_add_alu(ctx->bc, &alu);
if (r)
return r;
r = r600_bc_add_literal(ctx->bc, ctx->value);
if (r)
return r;
}
/* dst.w = 1.0; */
@ -1234,10 +1184,6 @@ static int tgsi_scs(struct r600_shader_ctx *ctx)
r = r600_bc_add_alu(ctx->bc, &alu);
if (r)
return r;
r = r600_bc_add_literal(ctx->bc, ctx->value);
if (r)
return r;
}
return 0;
@ -1273,9 +1219,6 @@ static int tgsi_kill(struct r600_shader_ctx *ctx)
if (r)
return r;
}
r = r600_bc_add_literal(ctx->bc, ctx->value);
if (r)
return r;
/* kill must be last in ALU */
ctx->bc->force_add_cf = 1;
@ -1338,10 +1281,6 @@ static int tgsi_lit(struct r600_shader_ctx *ctx)
if (r)
return r;
r = r600_bc_add_literal(ctx->bc, ctx->value);
if (r)
return r;
if (inst->Dst[0].Register.WriteMask & (1 << 2))
{
int chan;
@ -1360,10 +1299,6 @@ static int tgsi_lit(struct r600_shader_ctx *ctx)
if (r)
return r;
r = r600_bc_add_literal(ctx->bc, ctx->value);
if (r)
return r;
chan = alu.dst.chan;
sel = alu.dst.sel;
@ -1386,9 +1321,6 @@ static int tgsi_lit(struct r600_shader_ctx *ctx)
if (r)
return r;
r = r600_bc_add_literal(ctx->bc, ctx->value);
if (r)
return r;
/* dst.z = exp(tmp.x) */
memset(&alu, 0, sizeof(struct r600_bc_alu));
alu.inst = CTX_INST(V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_EXP_IEEE);
@ -1430,9 +1362,6 @@ static int tgsi_rsq(struct r600_shader_ctx *ctx)
alu.dst.write = 1;
alu.last = 1;
r = r600_bc_add_alu(ctx->bc, &alu);
if (r)
return r;
r = r600_bc_add_literal(ctx->bc, ctx->value);
if (r)
return r;
/* replicate result */
@ -1481,9 +1410,6 @@ static int tgsi_trans_srcx_replicate(struct r600_shader_ctx *ctx)
alu.dst.write = 1;
alu.last = 1;
r = r600_bc_add_alu(ctx->bc, &alu);
if (r)
return r;
r = r600_bc_add_literal(ctx->bc, ctx->value);
if (r)
return r;
/* replicate result */
@ -1507,9 +1433,6 @@ static int tgsi_pow(struct r600_shader_ctx *ctx)
alu.dst.write = 1;
alu.last = 1;
r = r600_bc_add_alu(ctx->bc, &alu);
if (r)
return r;
r = r600_bc_add_literal(ctx->bc,ctx->value);
if (r)
return r;
/* b * LOG2(a) */
@ -1524,9 +1447,6 @@ static int tgsi_pow(struct r600_shader_ctx *ctx)
alu.dst.write = 1;
alu.last = 1;
r = r600_bc_add_alu(ctx->bc, &alu);
if (r)
return r;
r = r600_bc_add_literal(ctx->bc,ctx->value);
if (r)
return r;
/* POW(a,b) = EXP2(b * LOG2(a))*/
@ -1537,9 +1457,6 @@ static int tgsi_pow(struct r600_shader_ctx *ctx)
alu.dst.write = 1;
alu.last = 1;
r = r600_bc_add_alu(ctx->bc, &alu);
if (r)
return r;
r = r600_bc_add_literal(ctx->bc,ctx->value);
if (r)
return r;
return tgsi_helper_tempx_replicate(ctx);
@ -1581,9 +1498,6 @@ static int tgsi_ssg(struct r600_shader_ctx *ctx)
if (r)
return r;
}
r = r600_bc_add_literal(ctx->bc, ctx->value);
if (r)
return r;
/* dst = (-tmp > 0 ? -1 : tmp) */
for (i = 0; i < 4; i++) {
@ -1618,9 +1532,6 @@ static int tgsi_helper_copy(struct r600_shader_ctx *ctx, struct tgsi_full_instru
struct r600_bc_alu alu;
int i, r;
r = r600_bc_add_literal(ctx->bc, ctx->value);
if (r)
return r;
for (i = 0; i < 4; i++) {
memset(&alu, 0, sizeof(struct r600_bc_alu));
if (!(inst->Dst[0].Register.WriteMask & (1 << i))) {
@ -1749,6 +1660,7 @@ static int tgsi_dp(struct r600_shader_ctx *ctx)
static int tgsi_tex(struct r600_shader_ctx *ctx)
{
static float one_point_five = 1.5f;
struct tgsi_full_instruction *inst = &ctx->parse.FullToken.FullInstruction;
struct r600_bc_tex tex;
struct r600_bc_alu alu;
@ -1758,7 +1670,6 @@ static int tgsi_tex(struct r600_shader_ctx *ctx)
boolean src_not_temp =
inst->Src[0].Register.File != TGSI_FILE_TEMPORARY &&
inst->Src[0].Register.File != TGSI_FILE_INPUT;
uint32_t lit_vals[4];
src_gpr = ctx->file_offset[inst->Src[0].Register.File] + inst->Src[0].Register.Index;
@ -1887,6 +1798,7 @@ static int tgsi_tex(struct r600_shader_ctx *ctx)
alu.src[2].sel = V_SQ_ALU_SRC_LITERAL;
alu.src[2].chan = 0;
alu.src[2].value = (u32*)&one_point_five;
alu.dst.sel = ctx->temp_reg;
alu.dst.chan = 0;
@ -1907,6 +1819,7 @@ static int tgsi_tex(struct r600_shader_ctx *ctx)
alu.src[2].sel = V_SQ_ALU_SRC_LITERAL;
alu.src[2].chan = 0;
alu.src[2].value = (u32*)&one_point_five;
alu.dst.sel = ctx->temp_reg;
alu.dst.chan = 1;
@ -1917,11 +1830,6 @@ static int tgsi_tex(struct r600_shader_ctx *ctx)
if (r)
return r;
lit_vals[0] = fui(1.5f);
r = r600_bc_add_literal(ctx->bc, lit_vals);
if (r)
return r;
src_not_temp = FALSE;
src_gpr = ctx->temp_reg;
}
@ -2055,9 +1963,6 @@ static int tgsi_lrp(struct r600_shader_ctx *ctx)
if (r)
return r;
}
r = r600_bc_add_literal(ctx->bc, ctx->value);
if (r)
return r;
/* (1 - src0) * src2 */
for (i = 0; i < lasti + 1; i++) {
@ -2080,9 +1985,6 @@ static int tgsi_lrp(struct r600_shader_ctx *ctx)
if (r)
return r;
}
r = r600_bc_add_literal(ctx->bc, ctx->value);
if (r)
return r;
/* src0 * src1 + (1 - src0) * src2 */
for (i = 0; i < lasti + 1; i++) {
@ -2223,10 +2125,6 @@ static int tgsi_xpd(struct r600_shader_ctx *ctx)
r = r600_bc_add_alu(ctx->bc, &alu);
if (r)
return r;
r = r600_bc_add_literal(ctx->bc, ctx->value);
if (r)
return r;
}
for (i = 0; i < 4; i++) {
@ -2284,10 +2182,6 @@ static int tgsi_xpd(struct r600_shader_ctx *ctx)
r = r600_bc_add_alu(ctx->bc, &alu);
if (r)
return r;
r = r600_bc_add_literal(ctx->bc, ctx->value);
if (r)
return r;
}
if (use_temp)
return tgsi_helper_copy(ctx, inst);
@ -2320,10 +2214,6 @@ static int tgsi_exp(struct r600_shader_ctx *ctx)
if (r)
return r;
r = r600_bc_add_literal(ctx->bc, ctx->value);
if (r)
return r;
alu.inst = CTX_INST(V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_EXP_IEEE);
alu.src[0].sel = ctx->temp_reg;
alu.src[0].chan = 0;
@ -2335,10 +2225,6 @@ static int tgsi_exp(struct r600_shader_ctx *ctx)
r = r600_bc_add_alu(ctx->bc, &alu);
if (r)
return r;
r = r600_bc_add_literal(ctx->bc, ctx->value);
if (r)
return r;
}
/* result.y = tmp - floor(tmp); */
@ -2364,9 +2250,6 @@ static int tgsi_exp(struct r600_shader_ctx *ctx)
r = r600_bc_add_alu(ctx->bc, &alu);
if (r)
return r;
r = r600_bc_add_literal(ctx->bc, ctx->value);
if (r)
return r;
}
/* result.z = RoughApprox2ToX(tmp);*/
@ -2387,9 +2270,6 @@ static int tgsi_exp(struct r600_shader_ctx *ctx)
r = r600_bc_add_alu(ctx->bc, &alu);
if (r)
return r;
r = r600_bc_add_literal(ctx->bc, ctx->value);
if (r)
return r;
}
/* result.w = 1.0;*/
@ -2407,9 +2287,6 @@ static int tgsi_exp(struct r600_shader_ctx *ctx)
r = r600_bc_add_alu(ctx->bc, &alu);
if (r)
return r;
r = r600_bc_add_literal(ctx->bc, ctx->value);
if (r)
return r;
}
return tgsi_helper_copy(ctx, inst);
}
@ -2439,10 +2316,6 @@ static int tgsi_log(struct r600_shader_ctx *ctx)
if (r)
return r;
r = r600_bc_add_literal(ctx->bc, ctx->value);
if (r)
return r;
alu.inst = CTX_INST(V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_FLOOR);
alu.src[0].sel = ctx->temp_reg;
alu.src[0].chan = 0;
@ -2455,10 +2328,6 @@ static int tgsi_log(struct r600_shader_ctx *ctx)
r = r600_bc_add_alu(ctx->bc, &alu);
if (r)
return r;
r = r600_bc_add_literal(ctx->bc, ctx->value);
if (r)
return r;
}
/* result.y = src.x / (2 ^ floor(log2(src.x))); */
@ -2481,10 +2350,6 @@ static int tgsi_log(struct r600_shader_ctx *ctx)
if (r)
return r;
r = r600_bc_add_literal(ctx->bc, ctx->value);
if (r)
return r;
memset(&alu, 0, sizeof(struct r600_bc_alu));
alu.inst = CTX_INST(V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_FLOOR);
@ -2500,10 +2365,6 @@ static int tgsi_log(struct r600_shader_ctx *ctx)
if (r)
return r;
r = r600_bc_add_literal(ctx->bc, ctx->value);
if (r)
return r;
memset(&alu, 0, sizeof(struct r600_bc_alu));
alu.inst = CTX_INST(V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_EXP_IEEE);
@ -2519,10 +2380,6 @@ static int tgsi_log(struct r600_shader_ctx *ctx)
if (r)
return r;
r = r600_bc_add_literal(ctx->bc, ctx->value);
if (r)
return r;
memset(&alu, 0, sizeof(struct r600_bc_alu));
alu.inst = CTX_INST(V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_RECIP_IEEE);
@ -2538,10 +2395,6 @@ static int tgsi_log(struct r600_shader_ctx *ctx)
if (r)
return r;
r = r600_bc_add_literal(ctx->bc, ctx->value);
if (r)
return r;
memset(&alu, 0, sizeof(struct r600_bc_alu));
alu.inst = CTX_INST(V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_MUL);
@ -2563,10 +2416,6 @@ static int tgsi_log(struct r600_shader_ctx *ctx)
r = r600_bc_add_alu(ctx->bc, &alu);
if (r)
return r;
r = r600_bc_add_literal(ctx->bc, ctx->value);
if (r)
return r;
}
/* result.z = log2(src);*/
@ -2588,10 +2437,6 @@ static int tgsi_log(struct r600_shader_ctx *ctx)
r = r600_bc_add_alu(ctx->bc, &alu);
if (r)
return r;
r = r600_bc_add_literal(ctx->bc, ctx->value);
if (r)
return r;
}
/* result.w = 1.0; */
@ -2610,10 +2455,6 @@ static int tgsi_log(struct r600_shader_ctx *ctx)
r = r600_bc_add_alu(ctx->bc, &alu);
if (r)
return r;
r = r600_bc_add_literal(ctx->bc, ctx->value);
if (r)
return r;
}
return tgsi_helper_copy(ctx, inst);

2
src/gallium/drivers/r600/r600_shader.h
View file

@ -47,6 +47,6 @@ struct r600_shader {
boolean uses_kill;
};
int r600_shader_from_tgsi(const struct tgsi_token *tokens, struct r600_shader *shader);
int r600_shader_from_tgsi(const struct tgsi_token *tokens, struct r600_shader *shader, u32 **literals);
#endif

10
src/gallium/drivers/r600/r700_asm.c
View file

@ -29,8 +29,6 @@
int r700_bc_alu_build(struct r600_bc *bc, struct r600_bc_alu *alu, unsigned id)
{
unsigned i;
bc->bytecode[id++] = S_SQ_ALU_WORD0_SRC0_SEL(alu->src[0].sel) |
S_SQ_ALU_WORD0_SRC0_REL(alu->src[0].rel) |
S_SQ_ALU_WORD0_SRC0_CHAN(alu->src[0].chan) |
@ -67,13 +65,5 @@ int r700_bc_alu_build(struct r600_bc *bc, struct r600_bc_alu *alu, unsigned id)
S_SQ_ALU_WORD1_OP2_UPDATE_EXECUTE_MASK(alu->predicate) |
S_SQ_ALU_WORD1_OP2_UPDATE_PRED(alu->predicate);
}
if (alu->last) {
if (alu->nliteral && !alu->literal_added) {
R600_ERR("Bug in ALU processing for instruction 0x%08x, literal not added correctly\n", alu->inst);
}
for (i = 0; i < alu->nliteral; i++) {
bc->bytecode[id++] = alu->value[i];
}
}
return 0;
}