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authorCorbin Simpson <MostAwesomeDude@gmail.com>2009-05-08 22:46:12 -0700
committerCorbin Simpson <MostAwesomeDude@gmail.com>2009-05-09 00:45:48 -0700
commite669ce01d4ee1e785671c811140e4e95e9a7548e (patch)
tree1ea4cab877539fa8eb4b7b423ba6d9139a6d3abf /src/gallium/drivers/r300/r300_state_tcl.c
parentc6d2b4a495affbaf0fbc53cf54159a7b2b4f6085 (diff)
r300-gallium: vs: Add scalar setup, RSQ.
Icky icky icky icky. Icky icky, icky icky. Icky.
Diffstat (limited to 'src/gallium/drivers/r300/r300_state_tcl.c')
-rw-r--r--src/gallium/drivers/r300/r300_state_tcl.c39
1 files changed, 33 insertions, 6 deletions
diff --git a/src/gallium/drivers/r300/r300_state_tcl.c b/src/gallium/drivers/r300/r300_state_tcl.c
index c52ce258c2..a3b9277cf7 100644
--- a/src/gallium/drivers/r300/r300_state_tcl.c
+++ b/src/gallium/drivers/r300/r300_state_tcl.c
@@ -135,6 +135,8 @@ static uint32_t r300_vs_op(unsigned op)
case TGSI_OPCODE_MOV:
case TGSI_OPCODE_SWZ:
return R300_VE_ADD;
+ case TGSI_OPCODE_RSQ:
+ return R300_PVS_DST_MATH_INST | R300_ME_RECIP_DX;
case TGSI_OPCODE_MAD:
return R300_PVS_DST_MACRO_INST | R300_PVS_MACRO_OP_2CLK_MADD;
default:
@@ -158,12 +160,30 @@ static uint32_t r300_vs_swiz(struct tgsi_full_src_register* reg)
}
}
+/* XXX icky icky icky icky */
+static uint32_t r300_vs_scalar_swiz(struct tgsi_full_src_register* reg)
+{
+ if (reg->SrcRegister.Extended) {
+ return reg->SrcRegisterExtSwz.ExtSwizzleX |
+ (reg->SrcRegisterExtSwz.ExtSwizzleX << 3) |
+ (reg->SrcRegisterExtSwz.ExtSwizzleX << 6) |
+ (reg->SrcRegisterExtSwz.ExtSwizzleX << 9);
+ } else {
+ return reg->SrcRegister.SwizzleX |
+ (reg->SrcRegister.SwizzleX << 3) |
+ (reg->SrcRegister.SwizzleX << 6) |
+ (reg->SrcRegister.SwizzleX << 9);
+ }
+}
+
+/* XXX scalar stupidity */
static void r300_vs_emit_inst(struct r300_vertex_shader* vs,
struct r300_vs_asm* assembler,
struct tgsi_full_src_register* src,
struct tgsi_full_dst_register* dst,
unsigned op,
- unsigned count)
+ unsigned count,
+ boolean is_scalar)
{
int i = vs->instruction_count;
vs->instructions[i].inst0 = R300_PVS_DST_OPCODE(r300_vs_op(op)) |
@@ -190,7 +210,9 @@ static void r300_vs_emit_inst(struct r300_vertex_shader* vs,
R300_PVS_SRC_REG_TYPE(r300_vs_src_type(assembler,
&src[0].SrcRegister)) |
R300_PVS_SRC_OFFSET(src[0].SrcRegister.Index) |
- R300_PVS_SRC_SWIZZLE(r300_vs_swiz(&src[0]));
+ /* XXX the icky, it burns */
+ R300_PVS_SRC_SWIZZLE(is_scalar ? r300_vs_scalar_swiz(&src[0])
+ : r300_vs_swiz(&src[0]));
break;
}
vs->instruction_count++;
@@ -201,11 +223,16 @@ static void r300_vs_instruction(struct r300_vertex_shader* vs,
struct tgsi_full_instruction* inst)
{
switch (inst->Instruction.Opcode) {
+ case TGSI_OPCODE_RSQ:
+ r300_vs_emit_inst(vs, assembler, inst->FullSrcRegisters,
+ &inst->FullDstRegisters[0], inst->Instruction.Opcode,
+ 1, TRUE);
+ break;
case TGSI_OPCODE_ADD:
case TGSI_OPCODE_MUL:
r300_vs_emit_inst(vs, assembler, inst->FullSrcRegisters,
&inst->FullDstRegisters[0], inst->Instruction.Opcode,
- 2);
+ 2, FALSE);
break;
case TGSI_OPCODE_DP3:
/* Set alpha swizzle to zero for src0 and src1 */
@@ -235,19 +262,19 @@ static void r300_vs_instruction(struct r300_vertex_shader* vs,
case TGSI_OPCODE_DP4:
r300_vs_emit_inst(vs, assembler, inst->FullSrcRegisters,
&inst->FullDstRegisters[0], inst->Instruction.Opcode,
- 2);
+ 2, FALSE);
break;
case TGSI_OPCODE_MOV:
case TGSI_OPCODE_SWZ:
inst->FullSrcRegisters[1] = r300_constant_zero;
r300_vs_emit_inst(vs, assembler, inst->FullSrcRegisters,
&inst->FullDstRegisters[0], inst->Instruction.Opcode,
- 2);
+ 2, FALSE);
break;
case TGSI_OPCODE_MAD:
r300_vs_emit_inst(vs, assembler, inst->FullSrcRegisters,
&inst->FullDstRegisters[0], inst->Instruction.Opcode,
- 3);
+ 3, FALSE);
break;
case TGSI_OPCODE_END:
break;