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authorJerome Glisse <jglisse@redhat.com>2010-07-23 17:49:26 -0400
committerJerome Glisse <jglisse@redhat.com>2010-07-23 17:49:26 -0400
commit5cc2974dff346f3fa53881dbcc158e4563915487 (patch)
tree141a80726a97279280aa8c5f49a2a196003c82cd
parentde553d906b4a205d811a9e1651f14212ec284e29 (diff)
r600g: add RSQ token support
Could serve as an example on how to add more token support. Signed-off-by: Jerome Glisse <jglisse@redhat.com>
-rw-r--r--src/gallium/drivers/r600/r600_shader.c30
1 files changed, 28 insertions, 2 deletions
diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c
index 4a6cf40c26f..e983cc90b43 100644
--- a/src/gallium/drivers/r600/r600_shader.c
+++ b/src/gallium/drivers/r600/r600_shader.c
@@ -559,7 +559,6 @@ static int tgsi_op2(struct r600_shader_ctx *ctx)
if (i == 3) {
alu.last = 1;
}
- alu.nliteral = 0;
r = r600_bc_add_alu(ctx->bc, &alu);
if (r)
return r;
@@ -599,6 +598,33 @@ static int tgsi_slt(struct r600_shader_ctx *ctx)
return 0;
}
+static int tgsi_trans(struct r600_shader_ctx *ctx)
+{
+ struct tgsi_full_instruction *inst = &ctx->parse.FullToken.FullInstruction;
+ struct r600_bc_alu alu;
+ int i, j, 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 = ctx->inst_info->r600_opcode;
+ for (j = 0; j < inst->Instruction.NumSrcRegs; j++) {
+ r = tgsi_src(ctx, &inst->Src[j], i, &alu.src[j]);
+ if (r)
+ return r;
+ }
+ r = tgsi_dst(ctx, &inst->Dst[0], i, &alu.dst);
+ if (r)
+ return r;
+ alu.last = 1;
+ r = r600_bc_add_alu(ctx->bc, &alu);
+ if (r)
+ return r;
+ }
+ }
+ return 0;
+}
+
static int tgsi_op3(struct r600_shader_ctx *ctx)
{
struct tgsi_full_instruction *inst = &ctx->parse.FullToken.FullInstruction;
@@ -651,7 +677,7 @@ static struct r600_shader_tgsi_instruction r600_shader_tgsi_instruction[] = {
{TGSI_OPCODE_MOV, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_MOV, tgsi_op2},
{TGSI_OPCODE_LIT, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_NOP, tgsi_unsupported},
{TGSI_OPCODE_RCP, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_NOP, tgsi_unsupported},
- {TGSI_OPCODE_RSQ, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_NOP, tgsi_unsupported},
+ {TGSI_OPCODE_RSQ, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_RECIPSQRT_IEEE, tgsi_trans},
{TGSI_OPCODE_EXP, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_NOP, tgsi_unsupported},
{TGSI_OPCODE_LOG, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_NOP, tgsi_unsupported},
{TGSI_OPCODE_MUL, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_MUL, tgsi_op2},