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r300-gallium: vs: Add scalar setup, RSQ.

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Icky icky icky icky. Icky icky, icky icky. Icky.
This commit is contained in:
Corbin Simpson
2009-05-08 22:46:12 -07:00
parent c6d2b4a495
commit e669ce01d4
2 changed files with 35 additions and 6 deletions
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39
src/gallium/drivers/r300/r300_state_tcl.c
View File

@@ -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;

2
src/gallium/drivers/r300/r300_state_tcl.h
View File

@@ -35,6 +35,8 @@
# define R300_VE_DOT_PRODUCT 1
# define R300_VE_MULTIPLY 2
# define R300_VE_ADD 3
#define R300_PVS_DST_MATH_INST (1 << 6)
# define R300_ME_RECIP_DX 6
#define R300_PVS_DST_MACRO_INST (1 << 7)
# define R300_PVS_MACRO_OP_2CLK_MADD 0
#define R300_PVS_DST_REG_TYPE(x) ((x) << 8)