X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fcore%2Fprogram.h;h=ca5437f3a6970e6d626bf36520ebc828d0697ab1;hp=939521dcd804866a65f52d544b6aa722e773c798;hb=HEAD;hpb=fa2b4c8a93ebad2497cacfdeaa9a2c20be486520

diff --git a/source/core/program.h b/source/core/program.h
index 939521dc..3e206a70 100644
--- a/source/core/program.h
+++ b/source/core/program.h
@@ -1,27 +1,27 @@
 #ifndef MSP_GL_PROGRAM_H_
 #define MSP_GL_PROGRAM_H_
 
+#include <map>
 #include <string>
 #include <vector>
 #include <msp/datafile/objectloader.h>
-#include "bindable.h"
-#include "datatype.h"
-#include "gl.h"
 #include "module.h"
-#include "tag.h"
-#include "vertexformat.h"
+#include "program_backend.h"
+#include "reflectdata.h"
 
 namespace Msp {
 namespace GL {
 
-class Shader;
-
 /**
-A complete shader program.  Programs can be assembled of individual Shaders or
-generated with a set of standard features.
+A shader program consisting of one or more stages.
+
+Programs are created from Modules.  Specialization values can be applied to
+customize behaviour of the module.
 */
-class Program: public Bindable<Program>
+class Program: public ProgramBackend
 {
+	friend ProgramBackend;
+
 public:
 	class Loader: public DataFile::CollectionObjectLoader<Program>
 	{
@@ -29,13 +29,7 @@ public:
 		Loader(Program &, Collection &);
 
 	private:
-		virtual void finish();
-
-		void attribute(unsigned, const std::string &);
-		void fragment_shader(const std::string &);
-		void geometry_shader(const std::string &);
 		void module(const std::string &);
-		void vertex_shader(const std::string &);
 	};
 
 private:
@@ -56,133 +50,54 @@ private:
 		void specialize_int(const std::string &, int);
 	};
 
-public:
-	typedef unsigned LayoutHash;
-	struct UniformBlockInfo;
-
-	struct UniformInfo
-	{
-		std::string name;
-		const UniformBlockInfo *block;
-		union
-		{
-			int location;
-			unsigned offset;
-		};
-		unsigned array_size;
-		unsigned array_stride;
-		unsigned matrix_stride;
-		DataType type;
-		Tag tag;
-
-		UniformInfo();
-	};
-
-	struct UniformBlockInfo
-	{
-		std::string name;
-		unsigned data_size;
-		int bind_point;
-		std::vector<const UniformInfo *> uniforms;
-		LayoutHash layout_hash;
-
-		UniformBlockInfo();
-	};
-
-	struct AttributeInfo
-	{
-		std::string name;
-		unsigned location;
-		unsigned array_size;
-		DataType type;
-
-		AttributeInfo();
-	};
-
-private:
-	struct Bindings
-	{
-		std::map<std::string, unsigned> textures;
-		std::map<std::string, unsigned> blocks;
-	};
-
-	unsigned id;
-	std::vector<unsigned> stage_ids;
-	const Module *module;
-	Bindings *bindings;
-	bool linked;
-	std::vector<UniformBlockInfo> uniform_blocks;
-	std::vector<UniformInfo> uniforms;
-	LayoutHash uniform_layout_hash;
-	std::vector<AttributeInfo> attributes;
+	ReflectData reflect_data;
+	SpirVModule *specialized_spirv = 0;
 
 public:
 	/// Constructs an empty Program with no shader stages attached.
-	Program();
-
-	/// Constructs a Program from unified source code using ProgramCompiler.
-	DEPRECATED Program(const std::string &);
-
-	/// Constructs a Program from vertex and fragment shader source code.
-	DEPRECATED Program(const std::string &, const std::string &);
+	Program() = default;
 
 	/// Constructs a Program from a Module, with specialization constants.
 	Program(const Module &, const std::map<std::string, int> & = std::map<std::string, int>());
 
-private:
-	void init();
-public:
-	virtual ~Program();
+	Program(Program &&);
+	~Program();
 
 	void add_stages(const Module &, const std::map<std::string, int> & = std::map<std::string, int>());
 private:
-	unsigned add_stage(GLenum);
-	void add_glsl_stages(const GlslModule &, const std::map<std::string, int> &);
-	void compile_glsl_stage(unsigned);
-	void add_spirv_stages(const SpirVModule &, const std::map<std::string, int> &);
-
-public:
-	DEPRECATED void attach_shader(Shader &shader);
-	DEPRECATED void attach_shader_owned(Shader *shader);
-	DEPRECATED void detach_shader(Shader &shader);
-	DEPRECATED const std::vector<Shader *> &get_attached_shaders() const;
-
-	DEPRECATED void bind_attribute(unsigned, const std::string &);
-	DEPRECATED void bind_attribute(VertexAttribute, const std::string &);
-	DEPRECATED void bind_fragment_data(unsigned, const std::string &);
-
-	void link();
-private:
-	void query_uniforms();
-	void query_uniform_blocks(const std::vector<UniformInfo *> &);
-	void query_attributes();
-	void collect_uniforms();
+	void collect_uniforms(const SpirVModule &);
 	void collect_block_uniforms(const SpirVModule::Structure &, const std::string &, unsigned, std::vector<std::string> &);
-	void collect_attributes();
-	void update_layout_hash();
-	static LayoutHash compute_layout_hash(const std::vector<const UniformInfo *> &);
-	static bool uniform_location_compare(const UniformInfo *, const UniformInfo *);
-	static bool uniform_tag_compare(const UniformInfo &, const UniformInfo &);
-	template<typename T, typename A, A T::*>
-	static bool search(const T &, const A &);
+	void collect_attributes(const SpirVModule &);
+	void collect_builtins(const SpirVModule &);
+	void collect_builtins(const SpirVModule::Structure &);
+
 public:
-	bool is_linked() const { return linked; }
-	DEPRECATED std::string get_info_log() const;
-
-	LayoutHash get_uniform_layout_hash() const { return uniform_layout_hash; }
-	const std::vector<UniformBlockInfo> &get_uniform_blocks() const { return uniform_blocks; }
-	const UniformBlockInfo &get_uniform_block_info(const std::string &) const;
-	const std::vector<UniformInfo> &get_uniforms() const { return uniforms; }
-	const UniformInfo &get_uniform_info(const std::string &) const;
-	const UniformInfo &get_uniform_info(Tag) const;
+	using ProgramBackend::is_compute;
+	using ProgramBackend::has_tessellation;
+
+	ReflectData::LayoutHash get_uniform_layout_hash() const { return reflect_data.layout_hash; }
+	unsigned get_n_descriptor_sets() const { return reflect_data.n_descriptor_sets; }
+	unsigned get_push_constants_size() const { return reflect_data.push_constants_size; }
+	const std::vector<ReflectData::UniformBlockInfo> &get_uniform_blocks() const { return reflect_data.uniform_blocks; }
+	const ReflectData::UniformBlockInfo &get_uniform_block_info(const std::string &) const;
+	const std::vector<ReflectData::UniformInfo> &get_uniforms() const { return reflect_data.uniforms; }
+	const ReflectData::UniformInfo &get_uniform_info(const std::string &) const;
+	const ReflectData::UniformInfo &get_uniform_info(Tag) const;
 	int get_uniform_location(const std::string &) const;
 	int get_uniform_location(Tag) const;
-	const std::vector<AttributeInfo> &get_attributes() const { return attributes; }
-	const AttributeInfo &get_attribute_info(const std::string &) const;
+	int get_uniform_binding(Tag) const;
+	bool uses_uniform_block_binding(int b) const { return uses_binding(b|ReflectData::UNIFORM_BLOCK_BINDING); }
+	bool uses_texture_binding(unsigned b) const { return uses_binding(b|ReflectData::TEXTURE_BINDING); }
+private:
+	bool uses_binding(int) const;
+public:
+	const std::vector<ReflectData::AttributeInfo> &get_attributes() const { return reflect_data.attributes; }
+	const ReflectData::AttributeInfo &get_attribute_info(const std::string &) const;
 	int get_attribute_location(const std::string &) const;
+	unsigned get_n_clip_distances() const { return reflect_data.n_clip_distances; }
+	const LinAl::Vector<unsigned, 3> &get_compute_workgroup_size() const { return reflect_data.compute_wg_size; }
 
-	void bind() const;
-	static void unbind();
+	using ProgramBackend::set_debug_name;
 };
 
 } // namespace GL