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r600g: add RSQ token support

Browse source 
Could serve as an example on how to add more token
support.

Signed-off-by: Jerome Glisse <jglisse@redhat.com>
This commit is contained in:
Jerome Glisse 2010-07-23 17:49:26 -04:00
parent de553d906b
commit 5cc2974dff
1 changed files with 28 additions and 2 deletions
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30
src/gallium/drivers/r600/r600_shader.c
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@ -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},