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r300-gallium: vs: Dot products.

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This commit is contained in:
Corbin Simpson 2009-04-15 13:23:25 -07:00
parent 43257c1470
commit ada7ced189
2 changed files with 34 additions and 0 deletions
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33
src/gallium/drivers/r300/r300_state_tcl.c
View file

@ -117,6 +117,9 @@ static INLINE unsigned r300_vs_dst(struct r300_vs_asm* assembler,
static uint32_t r300_vs_op(unsigned op)
{
switch (op) {
case TGSI_OPCODE_DP3:
case TGSI_OPCODE_DP4:
return R300_VE_DOT_PRODUCT;
case TGSI_OPCODE_MUL:
return R300_VE_MULTIPLY;
case TGSI_OPCODE_ADD:
@ -195,6 +198,36 @@ static void r300_vs_instruction(struct r300_vertex_shader* vs,
&inst->FullDstRegisters[0], inst->Instruction.Opcode,
2);
break;
case TGSI_OPCODE_DP3:
/* Set alpha swizzle to zero for src0 and src1 */
if (!inst->FullSrcRegisters[0].SrcRegister.Extended) {
inst->FullSrcRegisters[0].SrcRegister.Extended = TRUE;
inst->FullSrcRegisters[0].SrcRegisterExtSwz.ExtSwizzleX =
inst->FullSrcRegisters[0].SrcRegister.SwizzleX;
inst->FullSrcRegisters[0].SrcRegisterExtSwz.ExtSwizzleY =
inst->FullSrcRegisters[0].SrcRegister.SwizzleY;
inst->FullSrcRegisters[0].SrcRegisterExtSwz.ExtSwizzleZ =
inst->FullSrcRegisters[0].SrcRegister.SwizzleZ;
}
inst->FullSrcRegisters[0].SrcRegisterExtSwz.ExtSwizzleW =
TGSI_EXTSWIZZLE_ZERO;
if (!inst->FullSrcRegisters[1].SrcRegister.Extended) {
inst->FullSrcRegisters[1].SrcRegister.Extended = TRUE;
inst->FullSrcRegisters[1].SrcRegisterExtSwz.ExtSwizzleX =
inst->FullSrcRegisters[1].SrcRegister.SwizzleX;
inst->FullSrcRegisters[1].SrcRegisterExtSwz.ExtSwizzleY =
inst->FullSrcRegisters[1].SrcRegister.SwizzleY;
inst->FullSrcRegisters[1].SrcRegisterExtSwz.ExtSwizzleZ =
inst->FullSrcRegisters[1].SrcRegister.SwizzleZ;
}
inst->FullSrcRegisters[1].SrcRegisterExtSwz.ExtSwizzleW =
TGSI_EXTSWIZZLE_ZERO;
/* Fall through */
case TGSI_OPCODE_DP4:
r300_vs_emit_inst(vs, assembler, inst->FullSrcRegisters,
&inst->FullDstRegisters[0], inst->Instruction.Opcode,
2);
break;
case TGSI_OPCODE_MOV:
case TGSI_OPCODE_SWZ:
inst->FullSrcRegisters[1] = r300_constant_zero;

1
src/gallium/drivers/r300/r300_state_tcl.h
View file

@ -32,6 +32,7 @@
/* XXX get these to r300_reg */
#define R300_PVS_DST_OPCODE(x) ((x) << 0)
# define R300_VE_DOT_PRODUCT 1
# define R300_VE_MULTIPLY 2
# define R300_VE_ADD 3
#define R300_PVS_DST_MACRO_INST (1 << 7)