Mesa (master): r300/compiler: implement the CND opcode
Marek Olšák
mareko at kemper.freedesktop.org
Tue Apr 5 04:38:28 UTC 2011
Module: Mesa
Branch: master
Commit: 20141d9efdf674a3c7a13a75fabe533665d02cd0
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=20141d9efdf674a3c7a13a75fabe533665d02cd0
Author: Marek Olšák <maraeo at gmail.com>
Date: Tue Apr 5 06:18:18 2011 +0200
r300/compiler: implement the CND opcode
No one uses it now, but I will need it for a lowering pass.
---
src/gallium/drivers/r300/r300_tgsi_to_rc.c | 3 +--
.../drivers/dri/r300/compiler/r300_fragprog_emit.c | 2 ++
.../drivers/dri/r300/compiler/r500_fragprog_emit.c | 2 ++
.../drivers/dri/r300/compiler/radeon_opcodes.c | 7 +++++++
.../drivers/dri/r300/compiler/radeon_opcodes.h | 3 +++
.../dri/r300/compiler/radeon_pair_translate.c | 1 +
src/mesa/drivers/dri/r300/r300_reg.h | 2 +-
7 files changed, 17 insertions(+), 3 deletions(-)
diff --git a/src/gallium/drivers/r300/r300_tgsi_to_rc.c b/src/gallium/drivers/r300/r300_tgsi_to_rc.c
index 97ec0a1..6a000cf 100644
--- a/src/gallium/drivers/r300/r300_tgsi_to_rc.c
+++ b/src/gallium/drivers/r300/r300_tgsi_to_rc.c
@@ -52,8 +52,7 @@ static unsigned translate_opcode(unsigned opcode)
case TGSI_OPCODE_MAD: return RC_OPCODE_MAD;
case TGSI_OPCODE_SUB: return RC_OPCODE_SUB;
case TGSI_OPCODE_LRP: return RC_OPCODE_LRP;
- /* case TGSI_OPCODE_CND: return RC_OPCODE_CND; */
- /* case TGSI_OPCODE_CND0: return RC_OPCODE_CND0; */
+ case TGSI_OPCODE_CND: return RC_OPCODE_CND;
/* case TGSI_OPCODE_DP2A: return RC_OPCODE_DP2A; */
/* gap */
case TGSI_OPCODE_FRC: return RC_OPCODE_FRC;
diff --git a/src/mesa/drivers/dri/r300/compiler/r300_fragprog_emit.c b/src/mesa/drivers/dri/r300/compiler/r300_fragprog_emit.c
index 28d132a..646a415 100644
--- a/src/mesa/drivers/dri/r300/compiler/r300_fragprog_emit.c
+++ b/src/mesa/drivers/dri/r300/compiler/r300_fragprog_emit.c
@@ -108,6 +108,7 @@ static unsigned int translate_rgb_opcode(struct r300_fragment_program_compiler *
{
switch(opcode) {
case RC_OPCODE_CMP: return R300_ALU_OUTC_CMP;
+ case RC_OPCODE_CND: return R300_ALU_OUTC_CND;
case RC_OPCODE_DP3: return R300_ALU_OUTC_DP3;
case RC_OPCODE_DP4: return R300_ALU_OUTC_DP4;
case RC_OPCODE_FRC: return R300_ALU_OUTC_FRC;
@@ -127,6 +128,7 @@ static unsigned int translate_alpha_opcode(struct r300_fragment_program_compiler
{
switch(opcode) {
case RC_OPCODE_CMP: return R300_ALU_OUTA_CMP;
+ case RC_OPCODE_CND: return R300_ALU_OUTA_CND;
case RC_OPCODE_DP3: return R300_ALU_OUTA_DP4;
case RC_OPCODE_DP4: return R300_ALU_OUTA_DP4;
case RC_OPCODE_EX2: return R300_ALU_OUTA_EX2;
diff --git a/src/mesa/drivers/dri/r300/compiler/r500_fragprog_emit.c b/src/mesa/drivers/dri/r300/compiler/r500_fragprog_emit.c
index 9b5c7c6..c7f79bc 100644
--- a/src/mesa/drivers/dri/r300/compiler/r500_fragprog_emit.c
+++ b/src/mesa/drivers/dri/r300/compiler/r500_fragprog_emit.c
@@ -93,6 +93,7 @@ static unsigned int translate_rgb_op(struct r300_fragment_program_compiler *c, r
{
switch(opcode) {
case RC_OPCODE_CMP: return R500_ALU_RGBA_OP_CMP;
+ case RC_OPCODE_CND: return R500_ALU_RGBA_OP_CND;
case RC_OPCODE_DDX: return R500_ALU_RGBA_OP_MDH;
case RC_OPCODE_DDY: return R500_ALU_RGBA_OP_MDV;
case RC_OPCODE_DP3: return R500_ALU_RGBA_OP_DP3;
@@ -114,6 +115,7 @@ static unsigned int translate_alpha_op(struct r300_fragment_program_compiler *c,
{
switch(opcode) {
case RC_OPCODE_CMP: return R500_ALPHA_OP_CMP;
+ case RC_OPCODE_CND: return R500_ALPHA_OP_CND;
case RC_OPCODE_COS: return R500_ALPHA_OP_COS;
case RC_OPCODE_DDX: return R500_ALPHA_OP_MDH;
case RC_OPCODE_DDY: return R500_ALPHA_OP_MDV;
diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_opcodes.c b/src/mesa/drivers/dri/r300/compiler/radeon_opcodes.c
index 25afd27..e3e498e 100644
--- a/src/mesa/drivers/dri/r300/compiler/radeon_opcodes.c
+++ b/src/mesa/drivers/dri/r300/compiler/radeon_opcodes.c
@@ -81,6 +81,13 @@ struct rc_opcode_info rc_opcodes[MAX_RC_OPCODE] = {
.IsComponentwise = 1
},
{
+ .Opcode = RC_OPCODE_CND,
+ .Name = "CND",
+ .NumSrcRegs = 3,
+ .HasDstReg = 1,
+ .IsComponentwise = 1
+ },
+ {
.Opcode = RC_OPCODE_COS,
.Name = "COS",
.NumSrcRegs = 1,
diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_opcodes.h b/src/mesa/drivers/dri/r300/compiler/radeon_opcodes.h
index 7e66610..b586882 100644
--- a/src/mesa/drivers/dri/r300/compiler/radeon_opcodes.h
+++ b/src/mesa/drivers/dri/r300/compiler/radeon_opcodes.h
@@ -56,6 +56,9 @@ typedef enum {
/** vec4 instruction: dst.c = src0.c < 0.0 ? src1.c : src2.c */
RC_OPCODE_CMP,
+ /** vec4 instruction: dst.c = src2.c > 0.5 ? src0.c : src1.c */
+ RC_OPCODE_CND,
+
/** scalar instruction: dst = cos(src0.x) */
RC_OPCODE_COS,
diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_pair_translate.c b/src/mesa/drivers/dri/r300/compiler/radeon_pair_translate.c
index fed3a3f..2dae56a 100644
--- a/src/mesa/drivers/dri/r300/compiler/radeon_pair_translate.c
+++ b/src/mesa/drivers/dri/r300/compiler/radeon_pair_translate.c
@@ -99,6 +99,7 @@ static void classify_instruction(struct rc_sub_instruction * inst,
switch(inst->Opcode) {
case RC_OPCODE_ADD:
case RC_OPCODE_CMP:
+ case RC_OPCODE_CND:
case RC_OPCODE_DDX:
case RC_OPCODE_DDY:
case RC_OPCODE_FRC:
diff --git a/src/mesa/drivers/dri/r300/r300_reg.h b/src/mesa/drivers/dri/r300/r300_reg.h
index 2b9d85f..8980bd3 100644
--- a/src/mesa/drivers/dri/r300/r300_reg.h
+++ b/src/mesa/drivers/dri/r300/r300_reg.h
@@ -1906,7 +1906,7 @@ USE OR OTHER DEALINGS IN THE SOFTWARE.
# define R300_ALU_OUTC_D2A (3 << 23)
# define R300_ALU_OUTC_MIN (4 << 23)
# define R300_ALU_OUTC_MAX (5 << 23)
-# define R300_ALU_OUTC_CMPH (7 << 23)
+# define R300_ALU_OUTC_CND (7 << 23)
# define R300_ALU_OUTC_CMP (8 << 23)
# define R300_ALU_OUTC_FRC (9 << 23)
# define R300_ALU_OUTC_REPL_ALPHA (10 << 23)
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