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vkd3d-shader/spirv: Correctly implement DTOI.

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Elizabeth Figura 2024-12-17 17:38:58 -06:00 committed by Henri Verbeet
parent f416713608
commit 4130ce5bb9
Notes: Henri Verbeet 2024-12-18 17:39:38 +01:00 
Approved-by: Giovanni Mascellani (@giomasce)
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1317
1 changed files with 6 additions and 3 deletions
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9
libs/vkd3d-shader/spirv.c
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@ -7938,6 +7938,7 @@ static void spirv_compiler_emit_ftoi(struct spirv_compiler *compiler,
uint32_t src_type_id, dst_type_id, condition_type_id;
enum vkd3d_shader_component_type component_type;
unsigned int component_count;
uint32_t write_mask;
VKD3D_ASSERT(instruction->dst_count == 1);
VKD3D_ASSERT(instruction->src_count == 1);
@ -7947,21 +7948,23 @@ static void spirv_compiler_emit_ftoi(struct spirv_compiler *compiler,
* and for NaN to yield zero. */
component_count = vsir_write_mask_component_count(dst->write_mask);
src_type_id = spirv_compiler_get_type_id_for_reg(compiler, &src->reg, dst->write_mask);
dst_type_id = spirv_compiler_get_type_id_for_dst(compiler, dst);
src_id = spirv_compiler_emit_load_src(compiler, src, dst->write_mask);
if (src->reg.data_type == VKD3D_DATA_DOUBLE)
{
write_mask = vkd3d_write_mask_from_component_count(component_count);
int_min_id = spirv_compiler_get_constant_double_vector(compiler, -2147483648.0, component_count);
float_max_id = spirv_compiler_get_constant_double_vector(compiler, 2147483648.0, component_count);
}
else
{
write_mask = dst->write_mask;
int_min_id = spirv_compiler_get_constant_float_vector(compiler, -2147483648.0f, component_count);
float_max_id = spirv_compiler_get_constant_float_vector(compiler, 2147483648.0f, component_count);
}
src_type_id = spirv_compiler_get_type_id_for_reg(compiler, &src->reg, write_mask);
dst_type_id = spirv_compiler_get_type_id_for_dst(compiler, dst);
src_id = spirv_compiler_emit_load_src(compiler, src, write_mask);
val_id = vkd3d_spirv_build_op_glsl_std450_max(builder, src_type_id, src_id, int_min_id);
/* VSIR allows the destination of a signed conversion to be unsigned. */