summaryrefslogtreecommitdiffstats
path: root/src/gallium/drivers/r600/r600_shader.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/gallium/drivers/r600/r600_shader.c')
-rw-r--r--src/gallium/drivers/r600/r600_shader.c85
1 files changed, 37 insertions, 48 deletions
diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c
index 5b43a1303bf..1470bb5072a 100644
--- a/src/gallium/drivers/r600/r600_shader.c
+++ b/src/gallium/drivers/r600/r600_shader.c
@@ -642,30 +642,44 @@ static int tgsi_split_constant(struct r600_shader_ctx *ctx, struct r600_bc_alu_s
return 0;
}
-static int tgsi_op2(struct r600_shader_ctx *ctx)
+static int tgsi_op2_s(struct r600_shader_ctx *ctx, int swap)
{
struct tgsi_full_instruction *inst = &ctx->parse.FullToken.FullInstruction;
struct r600_bc_alu_src r600_src[3];
struct r600_bc_alu alu;
int i, j, r;
+ int lasti = 0;
+
+ for (i = 0; i < 4; i++) {
+ if (inst->Dst[0].Register.WriteMask & (1 << i)) {
+ lasti = i;
+ }
+ }
r = tgsi_split_constant(ctx, r600_src);
if (r)
return r;
- for (i = 0; i < 4; i++) {
+ for (i = 0; i < lasti + 1; i++) {
+ if (!(inst->Dst[0].Register.WriteMask & (1 << i)))
+ continue;
+
memset(&alu, 0, sizeof(struct r600_bc_alu));
- if (!(inst->Dst[0].Register.WriteMask & (1 << i))) {
- alu.inst = V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_NOP;
- alu.dst.chan = i;
- } else {
- alu.inst = ctx->inst_info->r600_opcode;
+ r = tgsi_dst(ctx, &inst->Dst[0], i, &alu.dst);
+ if (r)
+ return r;
+
+ alu.inst = ctx->inst_info->r600_opcode;
+ if (!swap) {
for (j = 0; j < inst->Instruction.NumSrcRegs; j++) {
alu.src[j] = r600_src[j];
alu.src[j].chan = tgsi_chan(&inst->Src[j], i);
}
- r = tgsi_dst(ctx, &inst->Dst[0], i, &alu.dst);
- if (r)
- return r;
+ } else {
+ alu.src[0] = r600_src[1];
+ alu.src[0].chan = tgsi_chan(&inst->Src[1], i);
+
+ alu.src[1] = r600_src[0];
+ alu.src[1].chan = tgsi_chan(&inst->Src[0], i);
}
/* handle some special cases */
switch (ctx->inst_info->tgsi_opcode) {
@@ -678,7 +692,7 @@ static int tgsi_op2(struct r600_shader_ctx *ctx)
default:
break;
}
- if (i == 3) {
+ if (i == lasti) {
alu.last = 1;
}
r = r600_bc_add_alu(ctx->bc, &alu);
@@ -688,6 +702,16 @@ static int tgsi_op2(struct r600_shader_ctx *ctx)
return 0;
}
+static int tgsi_op2(struct r600_shader_ctx *ctx)
+{
+ return tgsi_op2_s(ctx, 0);
+}
+
+static int tgsi_op2_swap(struct r600_shader_ctx *ctx)
+{
+ return tgsi_op2_s(ctx, 1);
+}
+
/*
* r600 - trunc to -PI..PI range
* r700 - normalize by dividing by 2PI
@@ -833,41 +857,6 @@ static int tgsi_kill(struct r600_shader_ctx *ctx)
return 0;
}
-static int tgsi_slt(struct r600_shader_ctx *ctx)
-{
- struct tgsi_full_instruction *inst = &ctx->parse.FullToken.FullInstruction;
- struct r600_bc_alu_src r600_src[3];
- struct r600_bc_alu alu;
- int i, r;
-
- r = tgsi_split_constant(ctx, r600_src);
- 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))) {
- alu.inst = V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_NOP;
- alu.dst.chan = i;
- } else {
- alu.inst = ctx->inst_info->r600_opcode;
- alu.src[1] = r600_src[0];
- alu.src[1].chan = tgsi_chan(&inst->Src[0], i);
- alu.src[0] = r600_src[1];
- alu.src[0].chan = tgsi_chan(&inst->Src[1], i);
- r = tgsi_dst(ctx, &inst->Dst[0], i, &alu.dst);
- if (r)
- return r;
- }
- if (i == 3) {
- alu.last = 1;
- }
- r = r600_bc_add_alu(ctx->bc, &alu);
- if (r)
- return r;
- }
- return 0;
-}
-
static int tgsi_lit(struct r600_shader_ctx *ctx)
{
struct tgsi_full_instruction *inst = &ctx->parse.FullToken.FullInstruction;
@@ -1747,7 +1736,7 @@ static struct r600_shader_tgsi_instruction r600_shader_tgsi_instruction[] = {
{TGSI_OPCODE_DST, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_NOP, tgsi_unsupported},
{TGSI_OPCODE_MIN, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_MIN, tgsi_op2},
{TGSI_OPCODE_MAX, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_MAX, tgsi_op2},
- {TGSI_OPCODE_SLT, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_SETGT, tgsi_slt},
+ {TGSI_OPCODE_SLT, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_SETGT, tgsi_op2_swap},
{TGSI_OPCODE_SGE, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_SETGE, tgsi_op2},
{TGSI_OPCODE_MAD, 1, V_SQ_ALU_WORD1_OP3_SQ_OP3_INST_MULADD, tgsi_op3},
{TGSI_OPCODE_SUB, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_ADD, tgsi_op2},
@@ -1785,7 +1774,7 @@ static struct r600_shader_tgsi_instruction r600_shader_tgsi_instruction[] = {
{TGSI_OPCODE_SFL, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_NOP, tgsi_unsupported},
{TGSI_OPCODE_SGT, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_SETGT, tgsi_op2},
{TGSI_OPCODE_SIN, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_SIN, tgsi_trig},
- {TGSI_OPCODE_SLE, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_SETGE, tgsi_slt},
+ {TGSI_OPCODE_SLE, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_SETGE, tgsi_op2_swap},
{TGSI_OPCODE_SNE, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_SETNE, tgsi_op2},
{TGSI_OPCODE_STR, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_NOP, tgsi_unsupported},
{TGSI_OPCODE_TEX, 0, SQ_TEX_INST_SAMPLE, tgsi_tex},