This is likely only correct for OpenGL and not other state trackers.
Signed-off-by: Tilman Sauerbeck <til...@code-monkey.de>
---
src/gallium/drivers/r600/r600_shader.c | 16 ++++++++++++++--
1 files changed, 14 insertions(+), 2 deletions(-)
diff --git a/src/gallium/drivers/r600/r600_shader.c
b/src/gallium/drivers/r600/r600_shader.c
index 2aeaf9a..190e455 100644
--- a/src/gallium/drivers/r600/r600_shader.c
+++ b/src/gallium/drivers/r600/r600_shader.c
@@ -1130,7 +1130,13 @@ static int tgsi_rsq(struct r600_shader_ctx *ctx)
int i, r;
memset(&alu, 0, sizeof(struct r600_bc_alu));
- alu.inst = CTX_INST(V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_RECIPSQRT_IEEE);
+
+ /* FIXME:
+ * For state trackers other than OpenGL, we'll want to use
+ * _RECIPSQRT_IEEE instead.
+ */
+ alu.inst = CTX_INST(V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_RECIPSQRT_CLAMPED);
+
for (i = 0; i < inst->Instruction.NumSrcRegs; i++) {
r = tgsi_src(ctx, &inst->Src[i], &alu.src[i]);
if (r)
@@ -2631,7 +2637,13 @@ static struct r600_shader_tgsi_instruction
r600_shader_tgsi_instruction[] = {
{TGSI_OPCODE_ARL, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_NOP,
tgsi_arl},
{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_lit},
- {TGSI_OPCODE_RCP, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_RECIP_IEEE,
tgsi_trans_srcx_replicate},
+
+ /* FIXME:
+ * For state trackers other than OpenGL, we'll want to use
+ * _RECIP_IEEE instead.
+ */
+ {TGSI_OPCODE_RCP, 0,
V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_RECIP_CLAMPED, tgsi_trans_srcx_replicate},
+
{TGSI_OPCODE_RSQ, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_NOP,
tgsi_rsq},
{TGSI_OPCODE_EXP, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_NOP,
tgsi_exp},
{TGSI_OPCODE_LOG, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_NOP,
tgsi_log},
--
1.7.2.3
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