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dep/reshadefx: Update to 7bdfb03

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Stenzek
2024-09-08 19:19:58 +10:00
parent 3078339f64
commit 86bff869bc
25 changed files with 6041 additions and 3244 deletions
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108
dep/reshadefx/include/effect_codegen.hpp
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@ -16,6 +16,8 @@ namespace reshadefx
/// </summary>
class codegen
{
friend class parser;
public:
/// <summary>
/// Virtual destructor to guarantee that memory of the implementations deriving from this interface is properly destroyed.
@ -23,12 +25,21 @@ namespace reshadefx
virtual ~codegen() {}
/// <summary>
/// Writes result of the code generation to the specified <paramref name="module"/>.
/// Gets the module describing the generated code.
/// </summary>
/// <param name="module">Target module to fill.</param>
virtual void write_result(module &module) = 0;
const effect_module &module() const { return _module; }
public:
/// <summary>
/// Finalizes and returns the generated code for the entire module (all entry points).
/// </summary>
virtual std::basic_string<char> finalize_code() const = 0;
/// <summary>
/// Finalizes and returns the generated code for the specified entry point (and no other entry points).
/// </summary>
/// <param name="entry_point_name">Name of the entry point function to generate code for.</param>
virtual std::basic_string<char> finalize_code_for_entry_point(const std::string &entry_point_name) const = 0;
protected:
/// <summary>
/// An opaque ID referring to a SSA value or basic block.
/// </summary>
@ -40,14 +51,14 @@ namespace reshadefx
/// <param name="loc">Source location matching this definition (for debugging).</param>
/// <param name="info">Description of the type.</param>
/// <returns>New SSA ID of the type.</returns>
virtual id define_struct(const location &loc, struct_info &info) = 0;
virtual id define_struct(const location &loc, struct_type &info) = 0;
/// <summary>
/// Defines a new texture binding.
/// </summary>
/// <param name="loc">Source location matching this definition (for debugging).</param>
/// <param name="info">Description of the texture object.</param>
/// <returns>New SSA ID of the binding.</returns>
virtual id define_texture(const location &loc, texture_info &info) = 0;
virtual id define_texture(const location &loc, texture &info) = 0;
/// <summary>
/// Defines a new sampler binding.
/// </summary>
@ -55,7 +66,7 @@ namespace reshadefx
/// <param name="tex_info">Description of the texture this sampler object references.</param>
/// <param name="info">Description of the sampler object.</param>
/// <returns>New SSA ID of the binding.</returns>
virtual id define_sampler(const location &loc, const texture_info &tex_info, sampler_info &info) = 0;
virtual id define_sampler(const location &loc, const texture &tex_info, sampler &info) = 0;
/// <summary>
/// Defines a new storage binding.
/// </summary>
@ -63,14 +74,14 @@ namespace reshadefx
/// <param name="tex_info">Description of the texture this storage object references.</param>
/// <param name="info">Description of the storage object.</param>
/// <returns>New SSA ID of the binding.</returns>
virtual id define_storage(const location &loc, const texture_info &tex_info, storage_info &info) = 0;
virtual id define_storage(const location &loc, const texture &tex_info, storage &info) = 0;
/// <summary>
/// Defines a new uniform variable.
/// </summary>
/// <param name="loc">Source location matching this definition (for debugging).</param>
/// <param name="info">Description of the uniform variable.</param>
/// <returns>New SSA ID of the variable.</returns>
virtual id define_uniform(const location &loc, uniform_info &info) = 0;
virtual id define_uniform(const location &loc, uniform &info) = 0;
/// <summary>
/// Defines a new variable.
/// </summary>
@ -82,26 +93,25 @@ namespace reshadefx
/// <returns>New SSA ID of the variable.</returns>
virtual id define_variable(const location &loc, const type &type, std::string name = std::string(), bool global = false, id initializer_value = 0) = 0;
/// <summary>
/// Defines a new function and its function parameters and make it current. Any code added after this call is added to this function.
/// Defines a new function and its function parameters and make it current.
/// Any code added after this call is added to this function.
/// </summary>
/// <param name="loc">Source location matching this definition (for debugging).</param>
/// <param name="info">Description of the function.</param>
/// <returns>New SSA ID of the function.</returns>
virtual id define_function(const location &loc, function_info &info) = 0;
virtual id define_function(const location &loc, function &info) = 0;
/// <summary>
/// Defines a new effect technique.
/// </summary>
/// <param name="loc">Source location matching this definition (for debugging).</param>
/// <param name="info">Description of the technique.</param>
void define_technique(technique_info &&info) { _module.techniques.push_back(std::move(info)); }
void define_technique(technique &&info) { _module.techniques.push_back(std::move(info)); }
/// <summary>
/// Makes a function a shader entry point.
/// </summary>
/// <param name="function">Function to use as entry point. May be overwritten to point to a new unique function for this entry point.</param>
/// <param name="type">Shader type (vertex, pixel or compute shader).</param>
/// <param name="num_threads">Number of local threads it this is a compute entry point.</param>
virtual void define_entry_point(function_info &function, shader_type type, int num_threads[3] = nullptr) = 0;
/// <param name="function">Function to use as entry point. May be overwritten to point to a new uniquely generated function.</param>
virtual void define_entry_point(function &function) = 0;
/// <summary>
/// Resolves the access chain and add a load operation to the output.
@ -131,6 +141,19 @@ namespace reshadefx
/// <param name="data">Actual constant data to convert into a SSA ID.</param>
/// <returns>New SSA ID with the constant value.</returns>
virtual id emit_constant(const type &type, const constant &data) = 0;
id emit_constant(const type &data_type, uint32_t value)
{
// Create a constant value of the specified type
constant data = {}; // Initialize to zero, so that components not set below still have a defined value for lookup via std::memcmp
for (unsigned int i = 0; i < data_type.components(); ++i)
{
if (data_type.is_integral())
data.as_uint[i] = value;
else
data.as_float[i] = static_cast<float>(value);
}
return emit_constant(data_type, data);
}
/// <summary>
/// Adds an unary operation to the output (built-in operation with one argument).
@ -222,7 +245,7 @@ namespace reshadefx
/// <summary>
/// Returns <see langword="true"/> if code is currently added to a function.
/// </summary>
virtual bool is_in_function() const { return is_in_block(); }
bool is_in_function() const { return _current_function != nullptr; }
/// <summary>
/// Creates a new basic block.
@ -272,93 +295,96 @@ namespace reshadefx
/// <param name="false_target">ID of the basic block to jump to when the condition is false.</param>
/// <returns>ID of the current basic block.</returns>
virtual id leave_block_and_branch_conditional(id condition, id true_target, id false_target) = 0;
/// <summary>
/// Leaves the current function. Any code added after this call is added in the global scope.
/// </summary>
virtual void leave_function() = 0;
/// <summary>
/// Recalculates sampler and storage bindings to take as little binding space as possible for each entry point.
/// </summary>
virtual void optimize_bindings();
/// <summary>
/// Looks up an existing struct type.
/// </summary>
/// <param name="id">SSA ID of the type to find.</param>
/// <returns>Reference to the struct description.</returns>
const struct_info &get_struct(id id) const
const struct_type &get_struct(id id) const
{
return *std::find_if(_structs.begin(), _structs.end(),
[id](const auto &it) { return it.definition == id; });
[id](const struct_type &info) { return info.id == id; });
}
/// <summary>
/// Looks up an existing texture binding.
/// </summary>
/// <param name="id">SSA ID of the texture binding to find.</param>
/// <returns>Reference to the texture description.</returns>
texture_info &get_texture(id id)
texture &get_texture(id id)
{
return *std::find_if(_module.textures.begin(), _module.textures.end(),
[id](const auto &it) { return it.id == id; });
[id](const texture &info) { return info.id == id; });
}
/// <summary>
/// Looks up an existing sampler binding.
/// </summary>
/// <param name="id">SSA ID of the sampler binding to find.</param>
/// <returns>Reference to the sampler description.</returns>
const sampler_info &get_sampler(id id) const
const sampler &get_sampler(id id) const
{
return *std::find_if(_module.samplers.begin(), _module.samplers.end(),
[id](const auto &it) { return it.id == id; });
[id](const sampler &info) { return info.id == id; });
}
/// <summary>
/// Looks up an existing storage binding.
/// </summary>
/// <param name="id">SSA ID of the storage binding to find.</param>
/// <returns>Reference to the storage description.</returns>
const storage_info &get_storage(id id) const
const storage &get_storage(id id) const
{
return *std::find_if(_module.storages.begin(), _module.storages.end(),
[id](const auto &it) { return it.id == id; });
[id](const storage &info) { return info.id == id; });
}
/// <summary>
/// Looks up an existing function definition.
/// </summary>
/// <param name="id">SSA ID of the function variable to find.</param>
/// <returns>Reference to the function description.</returns>
function_info &get_function(id id)
function &get_function(id id)
{
return *std::find_if(_functions.begin(), _functions.end(),
[id](const auto &it) { return it->definition == id; })->get();
[id](const std::unique_ptr<function> &info) { return info->id == id; })->get();
}
function &get_function(const std::string &unique_name)
{
return *std::find_if(_functions.begin(), _functions.end(),
[&unique_name](const std::unique_ptr<function> &info) { return info->unique_name == unique_name; })->get();
}
protected:
id make_id() { return _next_id++; }
static uint32_t align_up(uint32_t size, uint32_t alignment)
{
alignment -= 1;
return ((size + alignment) & ~alignment);
}
static uint32_t align_up(uint32_t size, uint32_t alignment, uint32_t elements)
{
return align_up(size, alignment) * (elements - 1) + size;
}
effect_module _module;
std::vector<struct_type> _structs;
std::vector<std::unique_ptr<function>> _functions;
reshadefx::module _module;
std::vector<struct_info> _structs;
std::vector<std::unique_ptr<function_info>> _functions;
id _next_id = 1;
id _last_block = 0;
id _current_block = 0;
function *_current_function = nullptr;
};
/// <summary>
/// Creates a back-end implementation for GLSL code generation.
/// </summary>
/// <param name="version">GLSL version to insert at the beginning of the file.</param>
/// <param name="gles">Generate GLSL ES code instead of core OpenGL.</param>
/// <param name="vulkan_semantics">Generate GLSL for OpenGL or for Vulkan.</param>
/// <param name="debug_info">Whether to append debug information like line directives to the generated code.</param>
/// <param name="uniforms_to_spec_constants">Whether to convert uniform variables to specialization constants.</param>
/// <param name="enable_16bit_types">Use real 16-bit types for the minimum precision types "min16int", "min16uint" and "min16float".</param>
/// <param name="flip_vert_y">Insert code to flip the Y component of the output position in vertex shaders.</param>
codegen *create_codegen_glsl(bool gles, bool vulkan_semantics, bool debug_info, bool uniforms_to_spec_constants, bool enable_16bit_types = false, bool flip_vert_y = false);
codegen *create_codegen_glsl(unsigned version, bool gles, bool vulkan_semantics, bool debug_info, bool uniforms_to_spec_constants, bool enable_16bit_types = false, bool flip_vert_y = false);
/// <summary>
/// Creates a back-end implementation for HLSL code generation.
/// </summary>