src/modules/coregl_fastpath.h

   1 #ifndef COREGL_FASTPATH_H
   2 #define COREGL_FASTPATH_H
   3
   4 #include "./coregl_module.h"
   5
   6 #ifndef COREGL_USE_MODULE_FASTPATH
   7 #error "COREGL_USE_MODULE_FASTPATH must defined!!!"
   8 #endif
   9
  10 #define MY_MODULE_ID              COREGL_MODULE_FASTPATH
  11 #define MY_MODULE_TSTATE         Fastpath_ThreadState
  12
  13 #include "../coregl_internal.h"
  14 #include "../coregl_export.h"
  15
  16 #define _COREGL_SYMBOL(RET_TYPE, FUNC_NAME, PARAM_LIST)     extern RET_TYPE (*_orig_fastpath_##FUNC_NAME) PARAM_LIST;
  17 # include "../headers/sym_gl1.h"
  18 # include "../headers/sym_gl2.h"
  19 # include "../headers/sym_gl_common.h"
  20 # include "../headers/sym_egl.h"
  21 #undef _COREGL_SYMBOL
  22
  23 // Symbol definition for fastpath
  24 #define _COREGL_SYMBOL(RET_TYPE, FUNC_NAME, PARAM_LIST)     extern RET_TYPE (fastpath_##FUNC_NAME) PARAM_LIST;
  25 # include "../headers/sym_gl1.h"
  26 # include "../headers/sym_gl2.h"
  27 # include "../headers/sym_gl_common.h"
  28 # include "../headers/sym_egl.h"
  29 #undef _COREGL_SYMBOL
  30
  31 #define COREGL_FASTPATH_TRACE_ALL
  32
  33 #ifdef COREGL_FASTPATH_TRACE_ALL
  34 #define COREGL_FASTPATH_TRACE_CONTEXT_INFO   // Context state & thread state & Glue-context info
  35 #define COREGL_FASTPATH_TRACE_STATE_INFO     // Glue-context state info
  36 #endif
  37
  38
  39 #define _COREGL_FASTPATH_FUNC_BEGIN()
  40
  41 #define _COREGL_FASTPATH_FUNC_END()
  42
  43
  44 #define FLAG_BIT_0      0x01
  45 #define FLAG_BIT_1      0x02
  46 #define FLAG_BIT_2      0x04
  47 #define FLAG_BIT_3      0x08
  48 #define FLAG_BIT_4      0x10
  49 #define FLAG_BIT_5      0x20
  50 #define FLAG_BIT_6      0x40
  51 #define FLAG_BIT_7      0x80
  52
  53 #define MAX_TEXTURE_UNITS 96
  54 #define MAX_VERTEX_ATTRIBS 64
  55 #define MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS 64
  56 #define MAX_UNIFORM_BUFFER_BINDINGS 72
  57 #define MAX_SHADER_STORAGE_BUFFER_BINDINGS 70
  58 #define MAX_ATOMIC_COUNTER_BUFFER_BINDING 8
  59
  60 typedef enum _Fastpath_Opt_Flag {
  61         FP_UNKNOWN_PATH,
  62         FP_NORMAL_PATH,
  63         FP_FAST_PATH
  64 } Fastpath_Opt_Flag;
  65
  66 extern Fastpath_Opt_Flag   fp_opt;
  67 extern int                 debug_nofp;
  68
  69 typedef struct _GLContextState {
  70         int                      ref_count;
  71         GLContext               *rctx;
  72         GLDisplay               *rdpy;
  73         void                    *data;
  74 } GLContextState;
  75
  76 typedef struct _Fastpath_ThreadState {
  77         EGLenum                  binded_api;
  78         GLContextState          *cstate;
  79         GLSurface               *rsurf_draw;
  80         GLSurface               *rsurf_read;
  81 } Fastpath_ThreadState;
  82
  83 typedef struct _GLContext_List {
  84         void                    *option;
  85         int                      option_len;
  86         int                      thread_id;
  87         GLContextState          *cstate;
  88         struct _GLContext_List *next;
  89 } GLContext_List;
  90
  91 extern GLContext_List      *glctx_list;
  92
  93 extern Mutex                ctx_list_access_mutex;
  94
  95 typedef struct {
  96         GLuint   tex_id;
  97 } GL_Texture_State;
  98
  99 typedef struct {
 100         GLboolean    modified;
 101         GLboolean    enabled;
 102         GLuint       buf_id;
 103         GLint        size;
 104         GLenum       type;
 105         GLboolean    normalized;
 106         GLsizei      stride;
 107         const void  *pointer;
 108 } GL_Vertex_Array_State;
 109
 110 typedef struct {
 111         GLboolean   modified;
 112         GLfloat     value[4];
 113 } GL_Vertex_Attrib;
 114
 115
 116 #define MAGIC_GLFAST                0x73777770
 117 #define GL_OBJECT_HASH_BASE        (1 << 10)
 118
 119 #define GL_OBJECT_ID_LIMIT         0xFFFFFF
 120
 121 #define FASTPATH_FUNC_TYPE                 int
 122 #define FASTPATH_FUNC_TYPE_STANDARD        0x10
 123 #define FASTPATH_FUNC_TYPE_OES             0x20
 124 #define FASTPATH_FUNC_TYPE_EXT             0x30
 125
 126 #define GL_Object_Type                     int
 127 #define GL_OBJECT_TYPE_QUERY               0x0
 128 #define GL_OBJECT_TYPE_TEXTURE             0x1000000
 129 #define GL_OBJECT_TYPE_BUFFER              0x2000000
 130 #define GL_OBJECT_TYPE_FRAMEBUFFER         0x3000000
 131 #define GL_OBJECT_TYPE_RENDERBUFFER        0x4000000
 132 #define GL_OBJECT_TYPE_PROGRAM             0x5000000
 133 #define GL_OBJECT_TYPE_VERTEXARRAY         0x6000000
 134 #define GL_OBJECT_TYPE_SAMPLER             0x7000000
 135 #define GL_OBJECT_TYPE_TRANSFORMFEEDBACK   0x8000000
 136 #define GL_OBJECT_TYPE_PROGRAMPIPELINE     0x9000000
 137 #define GL_OBJECT_TYPE_UNKNOWN             0xFFFFFFF
 138
 139 typedef struct _GL_Object {
 140         GLuint                            id;
 141         GLuint                            real_id;
 142         GLint                             ref_count;
 143         GLvoid                            *tag;
 144
 145         struct _GL_Shared_Object_State  *parent;
 146 } GL_Object;
 147
 148 typedef struct _GL_Object_Hash {
 149         GLuint                           hash_key;
 150         GL_Object                        *item;
 151         struct _GL_Object_Hash          *next;
 152 } GL_Object_Hash;
 153
 154 typedef struct _GL_Object_Hash_Base {
 155         GLuint                            hash_size;
 156         GLuint                            item_size;
 157         GLuint                            last_id;
 158         GLuint                            is_looped;
 159         GL_Object_Hash                  **hash_field;
 160 } GL_Object_Hash_Base;
 161
 162 typedef struct _GL_Shared_Object_State {
 163         Mutex                    access_mutex;
 164         Mutex                    real_access_mutex;
 165         int                      ref_count;
 166         General_Trace_List      *using_gctxs;
 167
 168         GL_Object_Hash_Base      texture;
 169         GL_Object_Hash_Base      buffer;
 170         GL_Object_Hash_Base      renderbuffer;
 171         GL_Object_Hash_Base      program;
 172         GL_Object_Hash_Base      sampler;
 173         GL_Object_Hash_Base      programpipeline;
 174
 175         GL_Object_Hash_Base      texture_real;
 176         GL_Object_Hash_Base      buffer_real;
 177         GL_Object_Hash_Base      renderbuffer_real;
 178         GL_Object_Hash_Base      program_real;
 179         GL_Object_Hash_Base      sampler_real;
 180
 181         GL_Object_Hash_Base      programpipeline_real;
 182 } GL_Shared_Object_State;
 183
 184 typedef struct _GL_Object_State {
 185         GL_Shared_Object_State  *shared;
 186
 187         GL_Object_Hash_Base      query;
 188         GL_Object_Hash_Base      framebuffer;
 189         GL_Object_Hash_Base      vertexarray;
 190         GL_Object_Hash_Base      transformfeedback;
 191
 192         GL_Object_Hash_Base      query_real;
 193         GL_Object_Hash_Base      framebuffer_real;
 194         GL_Object_Hash_Base      vertexarray_real;
 195         GL_Object_Hash_Base      transformfeedback_real;
 196 } GL_Object_State;
 197
 198 typedef struct _GLGlueContext {
 199         int                     magic;
 200         int                     initialized;
 201         int                     surface_attached;
 202
 203         int                                                     ref_count;
 204         int                                                     is_destroyed;
 205
 206         double                  glversion;
 207
 208         int                                                     used_count;
 209
 210         GLDisplay              *rdpy;
 211         GLContextState         *cstate;
 212         int                     thread_id;
 213
 214         void                   *real_ctx_option;
 215         int                     real_ctx_option_len;
 216
 217         void                   *real_ctx_sharable_option;
 218         int                     real_ctx_sharable_option_len;
 219
 220
 221
 222
 223         unsigned char           _bind_flag1;
 224 #define _BIND_FLAG1_BIT_gl_array_buffer_binding               FLAG_BIT_0
 225 #define _BIND_FLAG1_BIT_gl_element_array_buffer_binding       FLAG_BIT_1
 226 #define _BIND_FLAG1_BIT_gl_framebuffer_binding                FLAG_BIT_2
 227 #define _BIND_FLAG1_BIT_gl_renderbuffer_binding               FLAG_BIT_3
 228 #define _BIND_FLAG1_BIT_gl_framebuffer_binding_read           FLAG_BIT_4
 229 #define _BIND_FLAG1_BIT_gl_framebuffer_binding_draw           FLAG_BIT_5
 230
 231         unsigned char           _bind_flag2;
 232 #define _BIND_FLAG2_BIT_gl_copy_read_buffer_binding           FLAG_BIT_0
 233 #define _BIND_FLAG2_BIT_gl_copy_write_buffer_binding          FLAG_BIT_1
 234 #define _BIND_FLAG2_BIT_gl_pixel_pack_buffer_binding          FLAG_BIT_2
 235 #define _BIND_FLAG2_BIT_gl_pixel_unpack_buffer_binding        FLAG_BIT_3
 236 #define _BIND_FLAG2_BIT_gl_transform_feedback_buffer_binding  FLAG_BIT_4
 237 #define _BIND_FLAG2_BIT_gl_uniform_buffer_binding             FLAG_BIT_5
 238
 239         unsigned char           _bind_flag3;
 240 #define _BIND_FLAG3_BIT_gl_shader_storage_buffer_binding      FLAG_BIT_0
 241 #define _BIND_FLAG3_BIT_gl_atomic_counter_buffer_binding      FLAG_BIT_1
 242 #define _BIND_FLAG3_BIT_gl_draw_indirect_buffer_binding       FLAG_BIT_2
 243 #define _BIND_FLAG3_BIT_gl_dispatch_indirect_buffer_binding   FLAG_BIT_3
 244 #define _BIND_FLAG3_BIT_gl_texture_buffer_binding             FLAG_BIT_4
 245
 246         unsigned char           _bind_flag4;
 247 #define _BIND_FLAG4_BIT_gl_transform_feedback_buffer_range_binding  FLAG_BIT_0
 248 #define _BIND_FLAG4_BIT_gl_uniform_buffer_range_binding             FLAG_BIT_1
 249 #define _BIND_FLAG4_BIT_gl_shader_storage_buffer_range_binding      FLAG_BIT_2
 250 #define _BIND_FLAG4_BIT_gl_atomic_counter_buffer_range_binding      FLAG_BIT_3
 251
 252         unsigned char           _enable_flag1;
 253 #define _ENABLE_FLAG1_BIT_gl_blend        FLAG_BIT_0
 254 #define _ENABLE_FLAG1_BIT_gl_cull_face    FLAG_BIT_1
 255 #define _ENABLE_FLAG1_BIT_gl_depth_test   FLAG_BIT_2
 256 #define _ENABLE_FLAG1_BIT_gl_dither       FLAG_BIT_3
 257
 258         unsigned char           _enable_flag2;
 259 #define _ENABLE_FLAG2_BIT_gl_polygon_offset_fill       FLAG_BIT_0
 260 #define _ENABLE_FLAG2_BIT_gl_sample_alpha_to_coverage  FLAG_BIT_1
 261 #define _ENABLE_FLAG2_BIT_gl_sample_coverage           FLAG_BIT_2
 262 #define _ENABLE_FLAG2_BIT_gl_scissor_test              FLAG_BIT_3
 263 #define _ENABLE_FLAG2_BIT_gl_stencil_test              FLAG_BIT_4
 264 #define _ENABLE_FLAG2_BIT_gl_sample_shading_oes        FLAG_BIT_5
 265 #define _ENABLE_FLAG2_BIT_gl_sample_mask               FLAG_BIT_6
 266
 267         unsigned char           _enable_flag3;
 268 #define _ENABLE_FLAG3_BIT_gl_primitive_restart_fixed_index  FLAG_BIT_0
 269 #define _ENABLE_FLAG3_BIT_gl_rasterizer_discard             FLAG_BIT_1
 270 #define _ENABLE_FLAG3_BIT_gl_blend_advanced_coherent_khr    FLAG_BIT_2
 271
 272         unsigned char           _clear_flag1;
 273 #define _CLEAR_FLAG1_BIT_gl_viewport            FLAG_BIT_0
 274 #define _CLEAR_FLAG1_BIT_gl_current_program     FLAG_BIT_1
 275 #define _CLEAR_FLAG1_BIT_gl_color_clear_value   FLAG_BIT_2
 276
 277         unsigned char           _clear_flag2;
 278 #define _CLEAR_FLAG2_BIT_gl_color_writemask     FLAG_BIT_0
 279 #define _CLEAR_FLAG2_BIT_gl_depth_range         FLAG_BIT_1
 280 #define _CLEAR_FLAG2_BIT_gl_depth_clear_value   FLAG_BIT_2
 281 #define _CLEAR_FLAG2_BIT_gl_depth_func          FLAG_BIT_3
 282 #define _CLEAR_FLAG2_BIT_gl_depth_writemask     FLAG_BIT_4
 283 #define _CLEAR_FLAG2_BIT_gl_cull_face_mode      FLAG_BIT_5
 284
 285         unsigned char           _tex_flag1;
 286 #define _TEX_FLAG1_BIT_gl_active_texture         FLAG_BIT_0
 287 #define _TEX_FLAG1_BIT_gl_generate_mipmap_hint   FLAG_BIT_1
 288 #define _TEX_FLAG1_BIT_gl_tex_2d_state           FLAG_BIT_2
 289 #define _TEX_FLAG1_BIT_gl_tex_3d_state           FLAG_BIT_3
 290 #define _TEX_FLAG1_BIT_gl_tex_2d_array_state     FLAG_BIT_4
 291 #define _TEX_FLAG1_BIT_gl_tex_cube_state         FLAG_BIT_5
 292 #define _TEX_FLAG1_BIT_gl_tex_external_oes_state FLAG_BIT_6
 293 #define _TEX_FLAG1_BIT_gl_client_active_texture  FLAG_BIT_7
 294
 295         unsigned char           _tex_flag2;
 296 #define _TEX_FLAG2_BIT_gl_tex_buffer_ext_state               FLAG_BIT_0
 297 #define _TEX_FLAG2_BIT_gl_tex_2d_multisample_state           FLAG_BIT_1
 298 #define _TEX_FLAG2_BIT_gl_tex_2d_multisample_array_oes_state FLAG_BIT_2
 299 #define _TEX_FLAG2_BIT_gl_tex_cube_map_array_ext_state       FLAG_BIT_3
 300
 301         unsigned char           _blend_flag;
 302 #define _BLEND_FLAG_BIT_gl_blend_color           FLAG_BIT_0
 303 #define _BLEND_FLAG_BIT_gl_blend_src_rgb         FLAG_BIT_1
 304 #define _BLEND_FLAG_BIT_gl_blend_src_alpha       FLAG_BIT_2
 305 #define _BLEND_FLAG_BIT_gl_blend_dst_rgb         FLAG_BIT_3
 306 #define _BLEND_FLAG_BIT_gl_blend_dst_alpha       FLAG_BIT_4
 307 #define _BLEND_FLAG_BIT_gl_blend_equation_rgb    FLAG_BIT_5
 308 #define _BLEND_FLAG_BIT_gl_blend_equation_alpha  FLAG_BIT_6
 309
 310         unsigned char           _stencil_flag1;
 311 #define _STENCIL_FLAG1_BIT_gl_stencil_func              FLAG_BIT_0
 312 #define _STENCIL_FLAG1_BIT_gl_stencil_ref               FLAG_BIT_1
 313 #define _STENCIL_FLAG1_BIT_gl_stencil_value_mask        FLAG_BIT_2
 314 #define _STENCIL_FLAG1_BIT_gl_stencil_fail              FLAG_BIT_3
 315 #define _STENCIL_FLAG1_BIT_gl_stencil_pass_depth_fail   FLAG_BIT_4
 316 #define _STENCIL_FLAG1_BIT_gl_stencil_pass_depth_pass   FLAG_BIT_5
 317 #define _STENCIL_FLAG1_BIT_gl_stencil_writemask         FLAG_BIT_6
 318
 319         unsigned char           _stencil_flag2;
 320 #define _STENCIL_FLAG2_BIT_gl_stencil_back_func              FLAG_BIT_0
 321 #define _STENCIL_FLAG2_BIT_gl_stencil_back_ref               FLAG_BIT_1
 322 #define _STENCIL_FLAG2_BIT_gl_stencil_back_value_mask        FLAG_BIT_2
 323 #define _STENCIL_FLAG2_BIT_gl_stencil_back_fail              FLAG_BIT_3
 324 #define _STENCIL_FLAG2_BIT_gl_stencil_back_pass_depth_fail   FLAG_BIT_4
 325 #define _STENCIL_FLAG2_BIT_gl_stencil_back_pass_depth_pass   FLAG_BIT_5
 326 #define _STENCIL_FLAG2_BIT_gl_stencil_back_writemask         FLAG_BIT_6
 327 #define _STENCIL_FLAG2_BIT_gl_stencil_clear_value            FLAG_BIT_7
 328
 329         unsigned char           _pixel_flag1;
 330 #define _PIXEL_FLAG1_BIT_gl_pack_row_length      FLAG_BIT_0
 331 #define _PIXEL_FLAG1_BIT_gl_pack_skip_rows       FLAG_BIT_1
 332 #define _PIXEL_FLAG1_BIT_gl_pack_skip_pixels     FLAG_BIT_2
 333 #define _PIXEL_FLAG1_BIT_gl_pack_alignment       FLAG_BIT_3
 334
 335         unsigned char           _pixel_flag2;
 336 #define _PIXEL_FLAG2_BIT_gl_unpack_row_length      FLAG_BIT_0
 337 #define _PIXEL_FLAG2_BIT_gl_unpack_skip_rows       FLAG_BIT_1
 338 #define _PIXEL_FLAG2_BIT_gl_unpack_skip_pixels     FLAG_BIT_2
 339 #define _PIXEL_FLAG2_BIT_gl_unpack_alignment       FLAG_BIT_3
 340 #define _PIXEL_FLAG2_BIT_gl_unpack_image_height    FLAG_BIT_4
 341 #define _PIXEL_FLAG2_BIT_gl_unpack_skip_images     FLAG_BIT_5
 342
 343         unsigned char           _misc_flag1;
 344 #define _MISC_FLAG1_BIT_gl_front_face                        FLAG_BIT_0
 345 #define _MISC_FLAG1_BIT_gl_line_width                        FLAG_BIT_1
 346 #define _MISC_FLAG1_BIT_gl_polygon_offset_factor             FLAG_BIT_2
 347 #define _MISC_FLAG1_BIT_gl_polygon_offset_units              FLAG_BIT_3
 348 #define _MISC_FLAG1_BIT_gl_sample_coverage_value             FLAG_BIT_4
 349 #define _MISC_FLAG1_BIT_gl_sample_coverage_invert            FLAG_BIT_5
 350 #define _MISC_FLAG1_BIT_gl_fragment_shader_derivative_hint   FLAG_BIT_6
 351
 352         unsigned char           _misc_flag2;
 353 #define _MISC_FLAG2_BIT_gl_scissor_box                       FLAG_BIT_0
 354
 355         unsigned char           _misc_flag3;
 356 #define _MISC_FLAG3_BIT_gl_read_buffer                       FLAG_BIT_0
 357 #define _MISC_FLAG3_BIT_gl_draw_buffers                      FLAG_BIT_1
 358 #define _MISC_FLAG3_BIT_gl_vertex_array_binding              FLAG_BIT_2
 359 #define _MISC_FLAG3_BIT_gl_transform_feedback_binding        FLAG_BIT_3
 360 #define _MISC_FLAG3_BIT_gl_transform_feedback                FLAG_BIT_4
 361 #define _MISC_FLAG3_BIT_gl_draw_range_elements               FLAG_BIT_5
 362 #define _MISC_FLAG3_BIT_gl_program_pipeline_binding          FLAG_BIT_6
 363
 364         unsigned char           _vattrib_flag;
 365 #define _VATTRIB_FLAG_BIT_gl_vertex_attrib_value             FLAG_BIT_0
 366 #define _VATTRIB_FLAG_BIT_gl_vertex_array                    FLAG_BIT_1
 367
 368         GL_Object_State         ostate;
 369
 370         GLenum                  gl_error;
 371
 372         // General state
 373 #define GLUE_STATE(TYPE, NAME, SIZE, ARRAY_SIZE, DEFAULT_STMT, GET_STMT)     TYPE *NAME;
 374 # include "coregl_fastpath_state.h"
 375 #undef GLUE_STATE
 376 #define GLUE_STATE(TYPE, NAME, SIZE, ARRAY_SIZE, DEFAULT_STMT, GET_STMT)     GLboolean *NAME##_updated;
 377 # include "coregl_fastpath_state.h"
 378 #undef GLUE_STATE
 379 #define GLUE_STATE(TYPE, NAME, SIZE, ARRAY_SIZE, DEFAULT_STMT, GET_STMT)     unsigned char NAME##_used;
 380 # include "coregl_fastpath_state.h"
 381 #undef GLUE_STATE
 382
 383 } GLGlueContext;
 384
 385 typedef struct _GLGlueContext_List {
 386         GLGlueContext              *gctx;
 387         struct _GLGlueContext_List *prev;
 388         struct _GLGlueContext_List *next;
 389 } GLGlueContext_List;
 390
 391 extern GLGlueContext_List *gctx_list;
 392
 393 extern GLGlueContext *initial_ctx;
 394
 395 extern void                init_modules_fastpath();
 396 extern void                deinit_modules_fastpath();
 397 extern void                init_modules_tstate_fastpath(GLThreadState *tstate);
 398 extern void                deinit_modules_tstate_fastpath(
 399         GLThreadState *tstate);
 400
 401 extern void                fastpath_apply_overrides();
 402 extern void                fastpath_apply_overrides_egl(int enable);
 403 extern void                fastpath_apply_overrides_gl(int enable);
 404
 405 extern int                 fastpath_init_context_states(GLGlueContext *ctx);
 406 extern int                 fastpath_make_context_current(GLGlueContext *oldctx,
 407                 GLGlueContext *newctx);
 408
 409 #ifdef COREGL_FASTPATH_TRACE_STATE_INFO
 410 extern void                fastpath_dump_context_states(GLGlueContext *ctx,
 411                 int force_output);
 412 #endif // COREGL_FASTPATH_TRACE_STATE_INFO
 413
 414 // Context state functions
 415 extern int                 fastpath_add_context_state_to_list(const void *data,
 416                 const int datalen, GLContextState *cstate, Mutex *mtx);
 417 extern int                 fastpath_remove_context_states_from_list(
 418         GLContextState *cstate, Mutex *mtx);
 419 extern GLContextState     *fastpath_get_context_state_from_list(
 420         const void *data, const int datalen, Mutex *mtx);
 421
 422 // Shared object state functions
 423 extern void                fastpath_ostate_init(GL_Object_State *ostate);
 424 extern void                fastpath_sostate_init(GL_Shared_Object_State
 425                 *ostate);
 426 extern void                fastpath_ostate_deinit(GL_Object_State *ostate);
 427 extern void                fastpath_sostate_deinit(GL_Shared_Object_State
 428                 *ostate);
 429 extern GLuint              fastpath_ostate_create_object(
 430         GL_Object_State *ostate, GL_Object_Type type, GLuint name);
 431 extern GLuint              fastpath_ostate_remove_object(
 432         GL_Object_State *ostate, GL_Object_Type type, GLuint glue_name);
 433 extern GLuint              fastpath_ostate_get_object(GL_Object_State *ostate,
 434                 GL_Object_Type type, GLuint name);
 435 extern GLuint              fastpath_ostate_find_object(GL_Object_State *ostate,
 436                 GL_Object_Type type, GLuint real_name);
 437 extern GLint               fastpath_ostate_use_object(GL_Object_State *ostate,
 438                 GL_Object_Type type, GLuint glue_name);
 439 extern GLint               fastpath_ostate_set_object_tag(
 440         GL_Object_State *ostate, GL_Object_Type type, GLuint glue_name, GLvoid *tag);
 441 extern GLvoid             *fastpath_ostate_get_object_tag(
 442         GL_Object_State *ostate, GL_Object_Type type, GLuint glue_name);
 443
 444 // GL context management functions
 445 extern void                fastpath_release_gl_context(GLGlueContext *gctx);
 446
 447 // State query functions
 448 extern void                fastpath_state_get_draw_buffers(GLenum *params);
 449
 450 #endif // COREGL_FASTPATH_H
 451