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libs/vkd3d-shader: Translate some ALU instructions.

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This commit is contained in:
Józef Kucia 2017-06-20 14:14:44 +02:00
parent 2c06f47432
commit 801b4159de
2 changed files with 71 additions and 0 deletions
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69
libs/vkd3d-shader/spirv.c
View File

@ -1358,6 +1358,68 @@ static void vkd3d_dxbc_compiler_emit_dcl_thread_group(struct vkd3d_dxbc_compiler
vkd3d_spirv_set_local_size(builder, group_size->x, group_size->y, group_size->z);
}
static SpvOp vkd3d_dxbc_compiler_map_alu_instruction(const struct vkd3d_shader_instruction *instruction)
{
static const struct
{
enum VKD3D_SHADER_INSTRUCTION_HANDLER handler_idx;
SpvOp spirv_op;
}
alu_ops[] =
{
{VKD3DSIH_ADD, SpvOpFAdd},
{VKD3DSIH_AND, SpvOpBitwiseAnd},
{VKD3DSIH_DIV, SpvOpFDiv},
{VKD3DSIH_MUL, SpvOpFMul},
{VKD3DSIH_UTOF, SpvOpConvertUToF},
};
unsigned int i;
for (i = 0; i < ARRAY_SIZE(alu_ops); ++i)
{
if (alu_ops[i].handler_idx == instruction->handler_idx)
return alu_ops[i].spirv_op;
}
return SpvOpMax;
}
static void vkd3d_dxbc_compiler_emit_alu_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[VKD3D_DXBC_MAX_SOURCE_COUNT];
unsigned int component_count;
uint32_t type_id, val_id;
unsigned int i;
SpvOp op;
op = vkd3d_dxbc_compiler_map_alu_instruction(instruction);
if (op == SpvOpMax)
{
FIXME("Unhandled ALU instruction %#x.\n", instruction->handler_idx);
return;
}
assert(instruction->dst_count == 1);
assert(instruction->src_count <= VKD3D_DXBC_MAX_SOURCE_COUNT);
component_count = vkd3d_write_mask_component_count(dst->write_mask);
type_id = vkd3d_spirv_get_type_id(builder,
vkd3d_component_type_from_data_type(dst->reg.data_type), component_count);
for (i = 0; i < instruction->src_count; ++i)
src_ids[i] = vkd3d_dxbc_compiler_emit_load_reg(compiler,
&src[i].reg, src[i].swizzle, dst->write_mask);
val_id = vkd3d_spirv_build_op_trv(builder, &builder->function_stream, op, type_id,
src_ids, instruction->src_count);
vkd3d_dxbc_compiler_emit_store_reg(compiler, &dst->reg, dst->write_mask, val_id);
}
static void vkd3d_dxbc_compiler_emit_mov(struct vkd3d_dxbc_compiler *compiler,
const struct vkd3d_shader_instruction *instruction)
{
@ -1395,6 +1457,13 @@ void vkd3d_dxbc_compiler_handle_instruction(struct vkd3d_dxbc_compiler *compiler
case VKD3DSIH_MOV:
vkd3d_dxbc_compiler_emit_mov(compiler, instruction);
break;
case VKD3DSIH_ADD:
case VKD3DSIH_AND:
case VKD3DSIH_DIV:
case VKD3DSIH_MUL:
case VKD3DSIH_UTOF:
vkd3d_dxbc_compiler_emit_alu_instruction(compiler, instruction);
break;
case VKD3DSIH_RET:
vkd3d_dxbc_compiler_emit_return(compiler, instruction);
break;

2
libs/vkd3d-shader/vkd3d_shader_private.h
View File

@ -878,4 +878,6 @@ static inline unsigned int vkd3d_swizzle_get_component(DWORD swizzle,
return (swizzle >> (2 * idx)) & 0x3;
}
#define VKD3D_DXBC_MAX_SOURCE_COUNT 6
#endif /* __VKD3D_SHADER_PRIVATE_H */