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libs/vkd3d-shader: Translate bfi instruction.

This commit is contained in:
Józef Kucia 2017-06-20 17:09:39 +02:00
parent 95b11ba336
commit 8b2b2c1b6b
1 changed files with 52 additions and 0 deletions
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52
libs/vkd3d-shader/spirv.c
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@ -601,6 +601,13 @@ static void vkd3d_spirv_build_op_return(struct vkd3d_spirv_builder *builder)
vkd3d_spirv_build_op(&builder->function_stream, SpvOpReturn);
}
static uint32_t vkd3d_spirv_build_op_and(struct vkd3d_spirv_builder *builder,
uint32_t result_type, uint32_t operand0, uint32_t operand1)
{
return vkd3d_spirv_build_op_tr2(builder, &builder->function_stream,
SpvOpBitwiseAnd, result_type, operand0, operand1);
}
static uint32_t vkd3d_spirv_build_op_bitcast(struct vkd3d_spirv_builder *builder,
uint32_t result_type, uint32_t operand)
{
@ -1629,6 +1636,48 @@ static void vkd3d_dxbc_compiler_emit_dot(struct vkd3d_dxbc_compiler *compiler,
vkd3d_dxbc_compiler_emit_store_reg(compiler, &dst->reg, dst->write_mask, val_id);
}
static void vkd3d_dxbc_compiler_emit_bitfield_instruction(struct vkd3d_dxbc_compiler *compiler,
const struct vkd3d_shader_instruction *instruction)
{
struct vkd3d_spirv_builder *builder = &compiler->spirv_builder;
const struct vkd3d_shader_dst_param *dst = instruction->dst;
const struct vkd3d_shader_src_param *src = instruction->src;
uint32_t src_ids[4], result_id, type_id, mask_id;
unsigned int i, j, src_count;
DWORD write_mask;
SpvOp op;
src_count = instruction->src_count;
assert(2 <= src_count && src_count <= ARRAY_SIZE(src_ids));
type_id = vkd3d_spirv_get_type_id(builder, VKD3D_TYPE_UINT, 1);
mask_id = vkd3d_dxbc_compiler_get_constant_uint(compiler, 0x1f);
op = SpvOpBitFieldInsert;
for (i = 0; i < VKD3D_VEC4_SIZE; ++i)
{
if (!(write_mask = dst->write_mask & (VKD3DSP_WRITEMASK_0 << i)))
continue;
for (j = 0; j < src_count; ++j)
src_ids[src_count - j - 1] = vkd3d_dxbc_compiler_emit_load_reg(compiler,
&src[j].reg, src[j].swizzle, write_mask);
for (j = src_count - 2; j < src_count; ++j)
{
if (instruction->src[src_count - j - 1].reg.type != VKD3DSPR_IMMCONST)
src_ids[j] = vkd3d_spirv_build_op_and(builder, type_id, src_ids[j], mask_id);
}
result_id = vkd3d_spirv_build_op_trv(builder, &builder->function_stream,
op, type_id, src_ids, src_count);
vkd3d_dxbc_compiler_emit_store_reg(compiler,
&dst->reg, write_mask, result_id);
}
}
static void vkd3d_dxbc_compiler_emit_return(struct vkd3d_dxbc_compiler *compiler,
const struct vkd3d_shader_instruction *instruction)
{
@ -1680,6 +1729,9 @@ void vkd3d_dxbc_compiler_handle_instruction(struct vkd3d_dxbc_compiler *compiler
case VKD3DSIH_DP2:
vkd3d_dxbc_compiler_emit_dot(compiler, instruction);
break;
case VKD3DSIH_BFI:
vkd3d_dxbc_compiler_emit_bitfield_instruction(compiler, instruction);
break;
case VKD3DSIH_RET:
vkd3d_dxbc_compiler_emit_return(compiler, instruction);
break;