vkd3d-shader/hlsl: Introduce an sm4_src_from_constant_value() helper.

This commit is contained in:
Zebediah Figura 2023-04-14 15:50:53 -05:00 committed by Alexandre Julliard
parent 0a44e6043e
commit 834497d5ac
Notes: Alexandre Julliard 2023-05-01 22:25:00 +02:00
Approved-by: Giovanni Mascellani (@giomasce)
Approved-by: Francisco Casas (@fcasas)
Approved-by: Henri Verbeet (@hverbeet)
Approved-by: Alexandre Julliard (@julliard)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/177

View File

@ -3199,6 +3199,29 @@ static void sm4_src_from_node(struct sm4_src_register *src,
src->swizzle = hlsl_map_swizzle(hlsl_swizzle_from_writemask(writemask), map_writemask);
}
static void sm4_src_from_constant_value(struct sm4_src_register *src,
const struct hlsl_constant_value *value, unsigned int width, unsigned int map_writemask)
{
src->swizzle_type = VKD3D_SM4_SWIZZLE_NONE;
src->reg.type = VKD3D_SM4_RT_IMMCONST;
if (width == 1)
{
src->reg.dim = VKD3D_SM4_DIMENSION_SCALAR;
src->reg.immconst_uint[0] = value->u[0].u;
}
else
{
unsigned int i, j = 0;
src->reg.dim = VKD3D_SM4_DIMENSION_VEC4;
for (i = 0; i < 4; ++i)
{
if (map_writemask & (1u << i))
src->reg.immconst_uint[i] = value->u[j++].u;
}
}
}
static uint32_t sm4_encode_register(const struct sm4_register *reg)
{
return (reg->type << VKD3D_SM4_REGISTER_TYPE_SHIFT)
@ -3609,7 +3632,6 @@ static void write_sm4_constant(struct hlsl_ctx *ctx,
{
const unsigned int dimx = constant->node.data_type->dimx;
struct sm4_instruction instr;
struct sm4_register *reg = &instr.srcs[0].reg;
memset(&instr, 0, sizeof(instr));
instr.opcode = VKD3D_SM4_OP_MOV;
@ -3617,24 +3639,7 @@ static void write_sm4_constant(struct hlsl_ctx *ctx,
sm4_dst_from_node(&instr.dsts[0], &constant->node);
instr.dst_count = 1;
instr.srcs[0].swizzle_type = VKD3D_SM4_SWIZZLE_NONE;
reg->type = VKD3D_SM4_RT_IMMCONST;
if (dimx == 1)
{
reg->dim = VKD3D_SM4_DIMENSION_SCALAR;
reg->immconst_uint[0] = constant->value.u[0].u;
}
else
{
unsigned int i, j = 0;
reg->dim = VKD3D_SM4_DIMENSION_VEC4;
for (i = 0; i < 4; ++i)
{
if (instr.dsts[0].writemask & (1u << i))
reg->immconst_uint[i] = constant->value.u[j++].u;
}
}
sm4_src_from_constant_value(&instr.srcs[0], &constant->value, dimx, instr.dsts[0].writemask);
instr.src_count = 1,
write_sm4_instruction(buffer, &instr);