fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-05-05 07:28:11 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 2

vc4: Fix scalar math opcodes to replicate their result from the X channel.

Browse source 
Thanks to robclark for pointing out that I was probably failing to do this
when I reported a "bug" in his lowering code.
This commit is contained in:
Eric Anholt 2014-10-08 22:26:58 +02:00
parent 4e50a32be6
commit 9773d45908
1 changed files with 16 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

20
src/gallium/drivers/vc4/vc4_program.c
View file

@ -274,6 +274,18 @@ tgsi_to_qir_alu(struct vc4_compile *c,
return dst;
}
static struct qreg
tgsi_to_qir_scalar(struct vc4_compile *c,
struct tgsi_full_instruction *tgsi_inst,
enum qop op, struct qreg *src, int i)
{
struct qreg dst = qir_get_temp(c);
qir_emit(c, qir_inst(op, dst,
src[0 * 4 + 0],
c->undef));
return dst;
}
static struct qreg
qir_srgb_decode(struct vc4_compile *c, struct qreg srgb)
{
@ -1081,10 +1093,10 @@ emit_tgsi_instruction(struct vc4_compile *c,
[TGSI_OPCODE_CMP] = { 0, tgsi_to_qir_cmp },
[TGSI_OPCODE_MAD] = { 0, tgsi_to_qir_mad },
[TGSI_OPCODE_RCP] = { QOP_RCP, tgsi_to_qir_alu },
[TGSI_OPCODE_RSQ] = { QOP_RSQ, tgsi_to_qir_alu },
[TGSI_OPCODE_EX2] = { QOP_EXP2, tgsi_to_qir_alu },
[TGSI_OPCODE_LG2] = { QOP_LOG2, tgsi_to_qir_alu },
[TGSI_OPCODE_RCP] = { QOP_RCP, tgsi_to_qir_scalar },
[TGSI_OPCODE_RSQ] = { QOP_RSQ, tgsi_to_qir_scalar },
[TGSI_OPCODE_EX2] = { QOP_EXP2, tgsi_to_qir_scalar },
[TGSI_OPCODE_LG2] = { QOP_LOG2, tgsi_to_qir_scalar },
[TGSI_OPCODE_LIT] = { 0, tgsi_to_qir_lit },
[TGSI_OPCODE_LRP] = { 0, tgsi_to_qir_lrp },
[TGSI_OPCODE_TRUNC] = { 0, tgsi_to_qir_trunc },