diff options
Diffstat (limited to 'layers/shader_validation.h')
| -rw-r--r-- | layers/shader_validation.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/layers/shader_validation.h b/layers/shader_validation.h index 8bf1b4427..0ecc6c794 100644 --- a/layers/shader_validation.h +++ b/layers/shader_validation.h @@ -71,12 +71,48 @@ struct spirv_inst_iter { spirv_inst_iter const &operator*() const { return *this; } }; +struct decoration_set { + enum { + location_bit = 1 << 0, + patch_bit = 1 << 1, + relaxed_precision_bit = 1 << 2, + block_bit = 1 << 3, + buffer_block_bit = 1 << 4, + component_bit = 1 << 5, + input_attachment_index_bit = 1 << 6, + descriptor_set_bit = 1 << 7, + binding_bit = 1 << 8, + nonwritable_bit = 1 << 9, + builtin_bit = 1 << 10, + }; + uint32_t flags = 0; + uint32_t location = static_cast<uint32_t>(-1); + uint32_t component = 0; + uint32_t input_attachment_index = 0; + uint32_t descriptor_set = 0; + uint32_t binding = 0; + uint32_t builtin = static_cast<uint32_t>(-1); + + void merge(decoration_set const &other) { + if (other.flags & location_bit) location = other.location; + if (other.flags & component_bit) component = other.component; + if (other.flags & input_attachment_index_bit) input_attachment_index = other.input_attachment_index; + if (other.flags & descriptor_set_bit) descriptor_set = other.descriptor_set; + if (other.flags & binding_bit) binding = other.binding; + if (other.flags & builtin_bit) builtin = other.builtin; + flags |= other.flags; + } + + void add(uint32_t decoration, uint32_t value); +}; + struct SHADER_MODULE_STATE { // The spirv image itself std::vector<uint32_t> words; // A mapping of <id> to the first word of its def. this is useful because walking type // trees, constant expressions, etc requires jumping all over the instruction stream. std::unordered_map<unsigned, unsigned> def_index; + std::unordered_map<unsigned, decoration_set> decorations; struct EntryPoint { uint32_t offset; VkShaderStageFlags stage; @@ -143,6 +179,13 @@ struct SHADER_MODULE_STATE { SHADER_MODULE_STATE() : has_valid_spirv(false), vk_shader_module(VK_NULL_HANDLE) {} + decoration_set get_decorations(unsigned id) const { + // return the actual decorations for this id, or a default set. + auto it = decorations.find(id); + if (it != decorations.end()) return it->second; + return decoration_set(); + } + // Expose begin() / end() to enable range-based for spirv_inst_iter begin() const { return spirv_inst_iter(words.begin(), words.begin() + 5); } // First insn spirv_inst_iter end() const { return spirv_inst_iter(words.begin(), words.end()); } // Just past last insn |