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libs/vkd3d-shader: Translate udiv instructions.

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This commit is contained in:
Józef Kucia 2017-07-21 14:14:42 +02:00
parent c73b201110
commit ea6b35ef58
1 changed files with 74 additions and 0 deletions
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74
libs/vkd3d-shader/spirv.c
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@ -985,6 +985,20 @@ static uint32_t vkd3d_spirv_build_op_imul(struct vkd3d_spirv_builder *builder,
SpvOpIMul, result_type, operand0, operand1);
}
static uint32_t vkd3d_spirv_build_op_udiv(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,
SpvOpUDiv, result_type, operand0, operand1);
}
static uint32_t vkd3d_spirv_build_op_umod(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,
SpvOpUMod, result_type, operand0, operand1);
}
static uint32_t vkd3d_spirv_build_op_isub(struct vkd3d_spirv_builder *builder,
uint32_t result_type, uint32_t operand0, uint32_t operand1)
{
@ -2862,6 +2876,63 @@ static void vkd3d_dxbc_compiler_emit_imad(struct vkd3d_dxbc_compiler *compiler,
vkd3d_dxbc_compiler_emit_store_dst(compiler, dst, val_id);
}
static void vkd3d_dxbc_compiler_emit_udiv(struct vkd3d_dxbc_compiler *compiler,
const struct vkd3d_shader_instruction *instruction)
{
static const uint32_t ffffffff[] = {0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff};
uint32_t type_id, val_id, src0_id, src1_id, condition_id, ffffffff_id;
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;
unsigned int component_count = 0;
if (dst[0].reg.type != VKD3DSPR_NULL)
{
component_count = vkd3d_write_mask_component_count(dst[0].write_mask);
type_id = vkd3d_spirv_get_type_id(builder,
vkd3d_component_type_from_data_type(dst[0].reg.data_type), component_count);
src0_id = vkd3d_dxbc_compiler_emit_load_src(compiler, &src[0], dst[0].write_mask);
src1_id = vkd3d_dxbc_compiler_emit_load_src(compiler, &src[1], dst[0].write_mask);
condition_id = vkd3d_dxbc_compiler_emit_int_to_bool(compiler,
VKD3D_SHADER_CONDITIONAL_OP_NZ, component_count, src1_id);
ffffffff_id = vkd3d_dxbc_compiler_get_constant(compiler,
VKD3D_TYPE_UINT, component_count, ffffffff);
val_id = vkd3d_spirv_build_op_udiv(builder, type_id, src0_id, src1_id);
/* The SPIR-V spec says: "The resulting value is undefined if Operand 2 is 0." */
val_id = vkd3d_spirv_build_op_select(builder, type_id, condition_id, val_id, ffffffff_id);
vkd3d_dxbc_compiler_emit_store_dst(compiler, &dst[0], val_id);
}
if (dst[1].reg.type != VKD3DSPR_NULL)
{
if (!component_count || dst[0].write_mask != dst[1].write_mask)
{
component_count = vkd3d_write_mask_component_count(dst[1].write_mask);
type_id = vkd3d_spirv_get_type_id(builder,
vkd3d_component_type_from_data_type(dst[1].reg.data_type), component_count);
src0_id = vkd3d_dxbc_compiler_emit_load_src(compiler, &src[0], dst[1].write_mask);
src1_id = vkd3d_dxbc_compiler_emit_load_src(compiler, &src[1], dst[1].write_mask);
condition_id = vkd3d_dxbc_compiler_emit_int_to_bool(compiler,
VKD3D_SHADER_CONDITIONAL_OP_NZ, component_count, src1_id);
ffffffff_id = vkd3d_dxbc_compiler_get_constant(compiler,
VKD3D_TYPE_UINT, component_count, ffffffff);
}
val_id = vkd3d_spirv_build_op_umod(builder, type_id, src0_id, src1_id);
/* The SPIR-V spec says: "The resulting value is undefined if Operand 2 is 0." */
val_id = vkd3d_spirv_build_op_select(builder, type_id, condition_id, val_id, ffffffff_id);
vkd3d_dxbc_compiler_emit_store_dst(compiler, &dst[1], val_id);
}
}
static void vkd3d_dxbc_compiler_emit_bitfield_instruction(struct vkd3d_dxbc_compiler *compiler,
const struct vkd3d_shader_instruction *instruction)
{
@ -3426,6 +3497,9 @@ void vkd3d_dxbc_compiler_handle_instruction(struct vkd3d_dxbc_compiler *compiler
case VKD3DSIH_IMAD:
vkd3d_dxbc_compiler_emit_imad(compiler, instruction);
break;
case VKD3DSIH_UDIV:
vkd3d_dxbc_compiler_emit_udiv(compiler, instruction);
break;
case VKD3DSIH_EQ:
case VKD3DSIH_GE:
case VKD3DSIH_IEQ: