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libs/vkd3d-shader: Translate f16tof32 instruction.

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This commit is contained in:
Józef Kucia 2017-07-06 18:11:57 +02:00
parent 03ab3d25bc
commit 83392c92a3
1 changed files with 42 additions and 1 deletions
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43
libs/vkd3d-shader/spirv.c
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@ -623,12 +623,19 @@ static uint32_t vkd3d_spirv_build_op_in_bounds_access_chain(struct vkd3d_spirv_b
static uint32_t vkd3d_spirv_build_op_vector_shuffle(struct vkd3d_spirv_builder *builder,
uint32_t result_type, uint32_t vector1_id, uint32_t vector2_id,
uint32_t *components, uint32_t component_count)
const uint32_t *components, uint32_t component_count)
{
return vkd3d_spirv_build_op_tr2v(builder, &builder->function_stream, SpvOpVectorShuffle,
result_type, vector1_id, vector2_id, components, component_count);
}
static uint32_t vkd3d_spirv_build_op_composite_extract(struct vkd3d_spirv_builder *builder,
uint32_t result_type, uint32_t composite_id, const uint32_t *indexes, unsigned int index_count)
{
return vkd3d_spirv_build_op_tr1v(builder, &builder->function_stream, SpvOpCompositeExtract,
result_type, composite_id, indexes, index_count);
}
static uint32_t vkd3d_spirv_build_op_load(struct vkd3d_spirv_builder *builder,
uint32_t result_type, uint32_t pointer_id, uint32_t memory_access)
{
@ -2132,6 +2139,37 @@ static void vkd3d_dxbc_compiler_emit_bitfield_instruction(struct vkd3d_dxbc_comp
}
}
static void vkd3d_dxbc_compiler_emit_f16tof32(struct vkd3d_dxbc_compiler *compiler,
const struct vkd3d_shader_instruction *instruction)
{
static const uint32_t indexes[] = {0};
uint32_t instr_set_id, type_id, scalar_type_id, src_id, result_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;
DWORD write_mask;
unsigned int i;
instr_set_id = vkd3d_spirv_get_glsl_std450_instr_set(builder);
type_id = vkd3d_spirv_get_type_id(builder, VKD3D_TYPE_FLOAT, 2);
scalar_type_id = vkd3d_spirv_get_type_id(builder, VKD3D_TYPE_FLOAT, 1);
/* FIXME: Consider a single UnpackHalf2x16 intruction per 2 components. */
for (i = 0; i < VKD3D_VEC4_SIZE; ++i)
{
if (!(write_mask = dst->write_mask & (VKD3DSP_WRITEMASK_0 << i)))
continue;
src_id = vkd3d_dxbc_compiler_emit_load_src(compiler, src, write_mask);
result_id = vkd3d_spirv_build_op_ext_inst(builder, type_id,
instr_set_id, GLSLstd450UnpackHalf2x16, &src_id, 1);
result_id = vkd3d_spirv_build_op_composite_extract(builder, scalar_type_id,
result_id, indexes, ARRAY_SIZE(indexes));
vkd3d_dxbc_compiler_emit_store_reg(compiler, &dst->reg, write_mask, result_id);
}
}
static void vkd3d_dxbc_compiler_emit_comparison_instruction(struct vkd3d_dxbc_compiler *compiler,
const struct vkd3d_shader_instruction *instruction)
{
@ -2352,6 +2390,9 @@ void vkd3d_dxbc_compiler_handle_instruction(struct vkd3d_dxbc_compiler *compiler
case VKD3DSIH_UBFE:
vkd3d_dxbc_compiler_emit_bitfield_instruction(compiler, instruction);
break;
case VKD3DSIH_F16TOF32:
vkd3d_dxbc_compiler_emit_f16tof32(compiler, instruction);
break;
case VKD3DSIH_IF:
case VKD3DSIH_ELSE:
case VKD3DSIH_ENDIF: