From: Conor McCarthy cmccarthy@codeweavers.com
--- libs/vkd3d-shader/spirv.c | 73 ++++++++++++++++++++++-- libs/vkd3d-shader/vkd3d_shader_private.h | 1 + 2 files changed, 70 insertions(+), 4 deletions(-)
diff --git a/libs/vkd3d-shader/spirv.c b/libs/vkd3d-shader/spirv.c index 5ae52b69f..841c7a903 100644 --- a/libs/vkd3d-shader/spirv.c +++ b/libs/vkd3d-shader/spirv.c @@ -4255,6 +4255,30 @@ static uint32_t spirv_compiler_emit_bool_to_int(struct spirv_compiler *compiler, return vkd3d_spirv_build_op_select(builder, type_id, val_id, true_id, false_id); }
+static uint32_t spirv_compiler_emit_bool_to_float(struct spirv_compiler *compiler, + unsigned int component_count, uint32_t val_id, bool signedness) +{ + struct vkd3d_spirv_builder *builder = &compiler->spirv_builder; + uint32_t type_id, true_id, false_id; + + true_id = spirv_compiler_get_constant_float_vector(compiler, signedness ? -1.0f : 1.0f, component_count); + false_id = spirv_compiler_get_constant_float_vector(compiler, 0.0f, component_count); + type_id = vkd3d_spirv_get_type_id(builder, VKD3D_SHADER_COMPONENT_FLOAT, component_count); + return vkd3d_spirv_build_op_select(builder, type_id, val_id, true_id, false_id); +} + +static uint32_t spirv_compiler_emit_bool_to_double(struct spirv_compiler *compiler, + unsigned int component_count, uint32_t val_id, bool signedness) +{ + struct vkd3d_spirv_builder *builder = &compiler->spirv_builder; + uint32_t type_id, true_id, false_id; + + true_id = spirv_compiler_get_constant_double_vector(compiler, signedness ? -1.0 : 1.0, component_count); + false_id = spirv_compiler_get_constant_double_vector(compiler, 0.0, component_count); + type_id = vkd3d_spirv_get_type_id(builder, VKD3D_SHADER_COMPONENT_DOUBLE, component_count); + return vkd3d_spirv_build_op_select(builder, type_id, val_id, true_id, false_id); +} + typedef uint32_t (*vkd3d_spirv_builtin_fixup_pfn)(struct spirv_compiler *compiler, uint32_t val_id);
@@ -6645,6 +6669,35 @@ static SpvOp spirv_compiler_map_logical_instruction(const struct vkd3d_shader_in } }
+static void spirv_compiler_emit_bool_cast(struct spirv_compiler *compiler, + const struct vkd3d_shader_instruction *instruction) +{ + const struct vkd3d_shader_dst_param *dst = instruction->dst; + const struct vkd3d_shader_src_param *src = instruction->src; + uint32_t val_id; + + assert(src->reg.data_type == VKD3D_DATA_BOOL && dst->reg.data_type != VKD3D_DATA_BOOL); + + val_id = spirv_compiler_emit_load_src(compiler, src, dst->write_mask); + if (dst->reg.data_type == VKD3D_DATA_FLOAT) + { + val_id = spirv_compiler_emit_bool_to_float(compiler, 1, val_id, instruction->handler_idx == VKD3DSIH_ITOF); + } + else if (dst->reg.data_type == VKD3D_DATA_DOUBLE) + { + /* ITOD is not supported. Frontends which emit bool casts must use ITOF for double. */ + val_id = spirv_compiler_emit_bool_to_double(compiler, 1, val_id, instruction->handler_idx == VKD3DSIH_ITOF); + } + else + { + WARN("Unhandled data type %u.\n", dst->reg.data_type); + spirv_compiler_error(compiler, VKD3D_SHADER_ERROR_SPV_INVALID_TYPE, + "Register data type %u is unhandled.", dst->reg.data_type); + } + + spirv_compiler_emit_store_dst(compiler, dst, val_id); +} + static void spirv_compiler_emit_alu_instruction(struct spirv_compiler *compiler, const struct vkd3d_shader_instruction *instruction) { @@ -6653,13 +6706,23 @@ static void spirv_compiler_emit_alu_instruction(struct spirv_compiler *compiler, const struct vkd3d_shader_src_param *src = instruction->src; uint32_t src_ids[SPIRV_MAX_SRC_COUNT]; uint32_t type_id, val_id; + SpvOp op = SpvOpMax; unsigned int i; - SpvOp op;
- if (src->reg.data_type == VKD3D_DATA_BOOL && dst->reg.data_type == VKD3D_DATA_BOOL) + if (src->reg.data_type == VKD3D_DATA_BOOL) { - /* VSIR supports logic ops AND/OR/XOR on bool values. */ - op = spirv_compiler_map_logical_instruction(instruction); + if (dst->reg.data_type == VKD3D_DATA_BOOL) + { + /* VSIR supports logic ops AND/OR/XOR on bool values. */ + op = spirv_compiler_map_logical_instruction(instruction); + } + else if (instruction->handler_idx == VKD3DSIH_ITOF || instruction->handler_idx == VKD3DSIH_UTOF) + { + /* VSIR supports cast from bool to signed/unsigned integer types and floating point types, + * where bool is treated as a 1-bit integer and a signed 'true' value converts to -1. */ + spirv_compiler_emit_bool_cast(compiler, instruction); + return; + } } else { @@ -6669,6 +6732,8 @@ static void spirv_compiler_emit_alu_instruction(struct spirv_compiler *compiler, if (op == SpvOpMax) { ERR("Unexpected instruction %#x.\n", instruction->handler_idx); + spirv_compiler_error(compiler, VKD3D_SHADER_ERROR_SPV_INVALID_HANDLER, + "Encountered invalid/unhandled instruction handler %#x.", instruction->handler_idx); return; }
diff --git a/libs/vkd3d-shader/vkd3d_shader_private.h b/libs/vkd3d-shader/vkd3d_shader_private.h index 9b0c79679..1a0bfb5d3 100644 --- a/libs/vkd3d-shader/vkd3d_shader_private.h +++ b/libs/vkd3d-shader/vkd3d_shader_private.h @@ -94,6 +94,7 @@ enum vkd3d_shader_error VKD3D_SHADER_ERROR_SPV_STENCIL_EXPORT_UNSUPPORTED = 2004, VKD3D_SHADER_ERROR_SPV_OUT_OF_MEMORY = 2005, VKD3D_SHADER_ERROR_SPV_INVALID_TYPE = 2006, + VKD3D_SHADER_ERROR_SPV_INVALID_HANDLER = 2007,
VKD3D_SHADER_WARNING_SPV_INVALID_SWIZZLE = 2300,