From: Zebediah Figura zfigura@codeweavers.com
--- libs/vkd3d-shader/spirv.c | 20 +++++++++++++++----- 1 file changed, 15 insertions(+), 5 deletions(-)
diff --git a/libs/vkd3d-shader/spirv.c b/libs/vkd3d-shader/spirv.c index 63b4107f..116786eb 100644 --- a/libs/vkd3d-shader/spirv.c +++ b/libs/vkd3d-shader/spirv.c @@ -7007,10 +7007,12 @@ static void spirv_compiler_emit_udiv(struct spirv_compiler *compiler, static void spirv_compiler_emit_ftou(struct spirv_compiler *compiler, const struct vkd3d_shader_instruction *instruction) { + uint32_t src_id, zero_id, uint_max_id, float_max_id, condition_id, val_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; - uint32_t src_type_id, type_id, src_id, zero_id, val_id; + uint32_t src_type_id, dst_type_id, condition_type_id; + unsigned int component_count;
assert(instruction->dst_count == 1); assert(instruction->src_count == 1); @@ -7019,14 +7021,22 @@ static void spirv_compiler_emit_ftou(struct spirv_compiler *compiler, * as an unsigned integer, but Direct3D expects the result to saturate, * and for NaN to yield zero. */
+ component_count = vkd3d_write_mask_component_count(dst->write_mask); src_type_id = spirv_compiler_get_type_id_for_reg(compiler, &src->reg, dst->write_mask); - type_id = spirv_compiler_get_type_id_for_dst(compiler, dst); + dst_type_id = spirv_compiler_get_type_id_for_dst(compiler, dst); src_id = spirv_compiler_emit_load_src(compiler, src, dst->write_mask); - zero_id = spirv_compiler_get_constant_float_vector(compiler, 0.0f, - vkd3d_write_mask_component_count(dst->write_mask));
+ zero_id = spirv_compiler_get_constant_float_vector(compiler, 0.0f, component_count); val_id = vkd3d_spirv_build_op_glsl_std450_max(builder, src_type_id, src_id, zero_id); - val_id = vkd3d_spirv_build_op_tr1(builder, &builder->function_stream, SpvOpConvertFToU, type_id, val_id); + + float_max_id = spirv_compiler_get_constant_float_vector(compiler, 4294967296.0f, component_count); + uint_max_id = spirv_compiler_get_constant_uint_vector(compiler, UINT_MAX, component_count); + condition_type_id = vkd3d_spirv_get_type_id(builder, VKD3D_SHADER_COMPONENT_BOOL, component_count); + condition_id = vkd3d_spirv_build_op_tr2(builder, &builder->function_stream, + SpvOpFOrdGreaterThanEqual, condition_type_id, val_id, float_max_id); + + val_id = vkd3d_spirv_build_op_tr1(builder, &builder->function_stream, SpvOpConvertFToU, dst_type_id, val_id); + val_id = vkd3d_spirv_build_op_select(builder, dst_type_id, condition_id, uint_max_id, val_id);
spirv_compiler_emit_store_dst(compiler, dst, val_id); }