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libs/vkd3d-shader: Translate dot product instructions.

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This commit is contained in:
Józef Kucia 2017-06-20 17:09:39 +02:00
parent ddcc403f73
commit 88e20980a8
1 changed files with 38 additions and 0 deletions
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38
libs/vkd3d-shader/spirv.c
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@ -1525,6 +1525,39 @@ static void vkd3d_dxbc_compiler_emit_mov(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_dot(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 type_id, val_id, src_ids[2];
DWORD write_mask;
unsigned int i;
assert(vkd3d_write_mask_component_count(dst->write_mask) == 1);
if (instruction->handler_idx == VKD3DSIH_DP4)
write_mask = VKD3DSP_WRITEMASK_ALL;
else if (instruction->handler_idx == VKD3DSIH_DP3)
write_mask = VKD3DSP_WRITEMASK_0 | VKD3DSP_WRITEMASK_1 | VKD3DSP_WRITEMASK_2;
else
write_mask = VKD3DSP_WRITEMASK_0 | VKD3DSP_WRITEMASK_1;
assert(instruction->src_count == ARRAY_SIZE(src_ids));
for (i = 0; i < instruction->src_count; ++i)
src_ids[i] = vkd3d_dxbc_compiler_emit_load_reg(compiler,
&src[i].reg, src[i].swizzle, write_mask);
type_id = vkd3d_spirv_get_type_id(builder,
vkd3d_component_type_from_data_type(dst->reg.data_type), 1);
val_id = vkd3d_spirv_build_op_tr2(builder, &builder->function_stream,
SpvOpDot, type_id, src_ids[0], src_ids[1]);
vkd3d_dxbc_compiler_emit_store_reg(compiler, &dst->reg, dst->write_mask, val_id);
}
static void vkd3d_dxbc_compiler_emit_return(struct vkd3d_dxbc_compiler *compiler,
const struct vkd3d_shader_instruction *instruction)
{
@ -1562,6 +1595,11 @@ void vkd3d_dxbc_compiler_handle_instruction(struct vkd3d_dxbc_compiler *compiler
case VKD3DSIH_RSQ:
vkd3d_dxbc_compiler_emit_ext_glsl_instruction(compiler, instruction);
break;
case VKD3DSIH_DP4:
case VKD3DSIH_DP3:
case VKD3DSIH_DP2:
vkd3d_dxbc_compiler_emit_dot(compiler, instruction);
break;
case VKD3DSIH_RET:
vkd3d_dxbc_compiler_emit_return(compiler, instruction);
break;