X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=resource_pool.h;h=85a5e52cd0de92a040bbd4f79f8e5e305aef5bf0;hp=35b3b3b5b025d4e8c00fbcbdbe814c7548d101bb;hb=79f0ebd9606956e2988d9485b9d4c701e975c7f1;hpb=0a1ab3ca0727595965a26cbbd20965d775088320 diff --git a/resource_pool.h b/resource_pool.h index 35b3b3b..85a5e52 100644 --- a/resource_pool.h +++ b/resource_pool.h @@ -70,6 +70,11 @@ public: const std::vector& frag_shader_outputs); void release_glsl_program(GLuint glsl_program_num); + // Same as the previous, but for compile shaders instead. There is currently + // no support for binding multiple outputs. + GLuint compile_glsl_compute_program(const std::string& compile_shader); + void release_glsl_compute_program(GLuint glsl_program_num); + // Since uniforms belong to the program and not to the context, // a given GLSL program number can't be used by more than one thread // at a time. Thus, if two threads want to use the same program @@ -157,6 +162,8 @@ private: GLuint fs_obj, const std::vector& fragment_shader_outputs); + static GLuint link_compute_program(GLuint cs_obj); + // Protects all the other elements in the class. pthread_mutex_t lock; @@ -165,6 +172,9 @@ private: // A mapping from vertex/fragment shader source strings to compiled program number. std::map, GLuint> programs; + // A mapping from compute shader source string to compiled program number. + std::map compute_programs; + // A mapping from compiled program number to number of current users. // Once this reaches zero, the program is taken out of this map and instead // put on the freelist (after which it may be deleted). @@ -178,11 +188,16 @@ private: }; std::map program_shaders; + struct ComputeShaderSpec { + GLuint cs_obj; + }; + std::map compute_program_shaders; + // For each program, a list of other programs that are exactly like it. // By default, will only contain the program itself, but due to cloning // (see use_glsl_program()), may grow. Programs are taken off this list // while they are in use (by use_glsl_program()). - std::map > program_instances; + std::map> program_instances; // For each program, the master program that created it // (inverse of program_instances). @@ -230,7 +245,7 @@ private: // the last element will be deleted. // // We store iterators directly into for efficiency. - std::map > fbo_freelist; + std::map> fbo_freelist; // Very similar, for VAOs. struct VAO { @@ -240,7 +255,7 @@ private: }; std::map, VAO> vao_formats; typedef std::map, VAO>::iterator VAOFormatIterator; - std::map > vao_freelist; + std::map> vao_freelist; // See the caveats at the constructor. static size_t estimate_texture_size(const Texture2D &texture_format);