src/mesa/drivers/common/meta.h

   1 /*
   2  * Mesa 3-D graphics library
   3  *
   4  * Copyright (C) 2009  VMware, Inc.  All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included
  14  * in all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  17  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  22  * OTHER DEALINGS IN THE SOFTWARE.
  23  */
  24
  25
  26 #ifndef META_H
  27 #define META_H
  28
  29 #include "main/mtypes.h"
  30
  31 /**
  32  * \name Flags for meta operations
  33  * \{
  34  *
  35  * These flags are passed to _mesa_meta_begin().
  36  */
  37 #define MESA_META_ALL                      ~0x0
  38 #define MESA_META_ALPHA_TEST                0x1
  39 #define MESA_META_BLEND                     0x2  /**< includes logicop */
  40 #define MESA_META_COLOR_MASK                0x4
  41 #define MESA_META_DEPTH_TEST                0x8
  42 #define MESA_META_FOG                      0x10
  43 #define MESA_META_PIXEL_STORE              0x20
  44 #define MESA_META_PIXEL_TRANSFER           0x40
  45 #define MESA_META_RASTERIZATION            0x80
  46 #define MESA_META_SCISSOR                 0x100
  47 #define MESA_META_SHADER                  0x200
  48 #define MESA_META_STENCIL_TEST            0x400
  49 #define MESA_META_TRANSFORM               0x800 /**< modelview/projection matrix state */
  50 #define MESA_META_TEXTURE                0x1000
  51 #define MESA_META_VERTEX                 0x2000
  52 #define MESA_META_VIEWPORT               0x4000
  53 #define MESA_META_CLAMP_FRAGMENT_COLOR   0x8000
  54 #define MESA_META_CLAMP_VERTEX_COLOR    0x10000
  55 #define MESA_META_CONDITIONAL_RENDER    0x20000
  56 #define MESA_META_CLIP                  0x40000
  57 #define MESA_META_SELECT_FEEDBACK       0x80000
  58 #define MESA_META_MULTISAMPLE          0x100000
  59 #define MESA_META_FRAMEBUFFER_SRGB     0x200000
  60 #define MESA_META_OCCLUSION_QUERY      0x400000
  61 #define MESA_META_DRAW_BUFFERS         0x800000
  62 #define MESA_META_DITHER              0x1000000
  63 /**\}*/
  64
  65 /**
  66  * State which we may save/restore across meta ops.
  67  * XXX this may be incomplete...
  68  */
  69 struct save_state
  70 {
  71    GLbitfield SavedState;  /**< bitmask of MESA_META_* flags */
  72
  73    /* Always saved/restored with meta. */
  74    gl_api API;
  75    uint8_t ExtensionsVersion;
  76
  77    /** MESA_META_CLEAR (and others?) */
  78    struct gl_query_object *CurrentOcclusionObject;
  79
  80    /** MESA_META_ALPHA_TEST */
  81    GLboolean AlphaEnabled;
  82    GLenum AlphaFunc;
  83    GLclampf AlphaRef;
  84
  85    /** MESA_META_BLEND */
  86    GLbitfield BlendEnabled;
  87    GLboolean ColorLogicOpEnabled;
  88
  89    /** MESA_META_DITHER */
  90    GLboolean DitherFlag;
  91
  92    /** MESA_META_COLOR_MASK */
  93    GLubyte ColorMask[MAX_DRAW_BUFFERS][4];
  94
  95    /** MESA_META_DEPTH_TEST */
  96    struct gl_depthbuffer_attrib Depth;
  97
  98    /** MESA_META_FOG */
  99    GLboolean Fog;
 100
 101    /** MESA_META_PIXEL_STORE */
 102    struct gl_pixelstore_attrib Pack, Unpack;
 103
 104    /** MESA_META_PIXEL_TRANSFER */
 105    GLfloat RedBias, RedScale;
 106    GLfloat GreenBias, GreenScale;
 107    GLfloat BlueBias, BlueScale;
 108    GLfloat AlphaBias, AlphaScale;
 109    GLfloat DepthBias, DepthScale;
 110    GLboolean MapColorFlag;
 111
 112    /** MESA_META_RASTERIZATION */
 113    GLenum FrontPolygonMode, BackPolygonMode;
 114    GLboolean PolygonOffset;
 115    GLboolean PolygonSmooth;
 116    GLboolean PolygonStipple;
 117    GLboolean PolygonCull;
 118
 119    /** MESA_META_SCISSOR */
 120    struct gl_scissor_attrib Scissor;
 121
 122    /** MESA_META_SHADER */
 123    GLboolean VertexProgramEnabled;
 124    struct gl_program *VertexProgram;
 125    GLboolean FragmentProgramEnabled;
 126    struct gl_program *FragmentProgram;
 127    GLboolean ATIFragmentShaderEnabled;
 128    struct gl_program *Program[MESA_SHADER_STAGES];
 129    struct gl_shader_program *ActiveShader;
 130    struct gl_pipeline_object   *Pipeline;
 131
 132    /** MESA_META_STENCIL_TEST */
 133    struct gl_stencil_attrib Stencil;
 134
 135    /** MESA_META_TRANSFORM */
 136    GLenum MatrixMode;
 137    GLfloat ModelviewMatrix[16];
 138    GLfloat ProjectionMatrix[16];
 139    GLfloat TextureMatrix[16];
 140    /** GL_ARB_clip_control */
 141    GLenum ClipOrigin;     /**< GL_LOWER_LEFT or GL_UPPER_LEFT */
 142    GLenum ClipDepthMode;  /**< GL_NEGATIVE_ONE_TO_ONE or GL_ZERO_TO_ONE */
 143
 144    /** MESA_META_CLIP */
 145    GLbitfield ClipPlanesEnabled;
 146
 147    /** MESA_META_TEXTURE */
 148    GLuint ActiveUnit;
 149    /** for unit[0] only */
 150    struct gl_texture_object *CurrentTexture[NUM_TEXTURE_TARGETS];
 151    /** mask of TEXTURE_2D_BIT, etc */
 152    GLbitfield TexEnabled[MAX_TEXTURE_UNITS];
 153    GLbitfield TexGenEnabled[MAX_TEXTURE_UNITS];
 154    GLuint EnvMode;  /* unit[0] only */
 155
 156    /** MESA_META_VERTEX */
 157    struct gl_vertex_array_object *VAO;
 158
 159    /** MESA_META_VIEWPORT */
 160    GLfloat ViewportX, ViewportY, ViewportW, ViewportH;
 161    GLclampd DepthNear, DepthFar;
 162
 163    /** MESA_META_CLAMP_FRAGMENT_COLOR */
 164    GLenum ClampFragmentColor;
 165
 166    /** MESA_META_CLAMP_VERTEX_COLOR */
 167    GLenum ClampVertexColor;
 168
 169    /** MESA_META_CONDITIONAL_RENDER */
 170    struct gl_query_object *CondRenderQuery;
 171    GLenum CondRenderMode;
 172
 173    /** MESA_META_SELECT_FEEDBACK */
 174    GLenum RenderMode;
 175    struct gl_selection Select;
 176    struct gl_feedback Feedback;
 177
 178    /** MESA_META_MULTISAMPLE */
 179    struct gl_multisample_attrib Multisample;
 180
 181    /** MESA_META_FRAMEBUFFER_SRGB */
 182    GLboolean sRGBEnabled;
 183
 184    /** Miscellaneous (always disabled) */
 185    GLboolean Lighting;
 186    GLboolean RasterDiscard;
 187    GLboolean TransformFeedbackNeedsResume;
 188
 189    struct gl_framebuffer *DrawBuffer;
 190    struct gl_framebuffer *ReadBuffer;
 191
 192    /** MESA_META_DRAW_BUFFERS */
 193    GLenum ColorDrawBuffers[MAX_DRAW_BUFFERS];
 194 };
 195
 196 /**
 197  * Temporary texture used for glBlitFramebuffer, glDrawPixels, etc.
 198  * This is currently shared by all the meta ops.  But we could create a
 199  * separate one for each of glDrawPixel, glBlitFramebuffer, glCopyPixels, etc.
 200  */
 201 struct temp_texture
 202 {
 203    struct gl_texture_object *tex_obj;
 204    GLenum Target;         /**< GL_TEXTURE_2D or GL_TEXTURE_RECTANGLE */
 205    GLsizei MinSize;       /**< Min texture size to allocate */
 206    GLsizei MaxSize;       /**< Max possible texture size */
 207    GLboolean NPOT;        /**< Non-power of two size OK? */
 208    GLsizei Width, Height; /**< Current texture size */
 209    GLenum IntFormat;
 210    GLfloat Sright, Ttop;  /**< right, top texcoords */
 211 };
 212
 213 /**
 214  * State for GLSL texture sampler which is used to generate fragment
 215  * shader in _mesa_meta_generate_mipmap().
 216  */
 217 struct blit_shader {
 218    const char *type;
 219    const char *func;
 220    const char *texcoords;
 221    struct gl_shader_program *shader_prog;
 222 };
 223
 224 /**
 225  * Table of all sampler types and shaders for accessing them.
 226  */
 227 struct blit_shader_table {
 228    struct blit_shader sampler_1d;
 229    struct blit_shader sampler_2d;
 230    struct blit_shader sampler_3d;
 231    struct blit_shader sampler_rect;
 232    struct blit_shader sampler_cubemap;
 233    struct blit_shader sampler_1d_array;
 234    struct blit_shader sampler_2d_array;
 235    struct blit_shader sampler_cubemap_array;
 236 };
 237
 238 /**
 239  * Indices in the blit_state->msaa_shaders[] array
 240  *
 241  * Note that setup_glsl_msaa_blit_shader() assumes that the _INT enums are five
 242  * more than the corresponding non-_INT versions and _UINT are five beyond that.
 243  */
 244 enum blit_msaa_shader {
 245    BLIT_1X_MSAA_SHADER_2D_MULTISAMPLE_RESOLVE,
 246    BLIT_2X_MSAA_SHADER_2D_MULTISAMPLE_RESOLVE,
 247    BLIT_4X_MSAA_SHADER_2D_MULTISAMPLE_RESOLVE,
 248    BLIT_8X_MSAA_SHADER_2D_MULTISAMPLE_RESOLVE,
 249    BLIT_16X_MSAA_SHADER_2D_MULTISAMPLE_RESOLVE,
 250    BLIT_1X_MSAA_SHADER_2D_MULTISAMPLE_RESOLVE_INT,
 251    BLIT_2X_MSAA_SHADER_2D_MULTISAMPLE_RESOLVE_INT,
 252    BLIT_4X_MSAA_SHADER_2D_MULTISAMPLE_RESOLVE_INT,
 253    BLIT_8X_MSAA_SHADER_2D_MULTISAMPLE_RESOLVE_INT,
 254    BLIT_16X_MSAA_SHADER_2D_MULTISAMPLE_RESOLVE_INT,
 255    BLIT_1X_MSAA_SHADER_2D_MULTISAMPLE_RESOLVE_UINT,
 256    BLIT_2X_MSAA_SHADER_2D_MULTISAMPLE_RESOLVE_UINT,
 257    BLIT_4X_MSAA_SHADER_2D_MULTISAMPLE_RESOLVE_UINT,
 258    BLIT_8X_MSAA_SHADER_2D_MULTISAMPLE_RESOLVE_UINT,
 259    BLIT_16X_MSAA_SHADER_2D_MULTISAMPLE_RESOLVE_UINT,
 260    BLIT_MSAA_SHADER_2D_MULTISAMPLE_COPY,
 261    BLIT_MSAA_SHADER_2D_MULTISAMPLE_COPY_INT,
 262    BLIT_MSAA_SHADER_2D_MULTISAMPLE_COPY_UINT,
 263    BLIT_MSAA_SHADER_2D_MULTISAMPLE_DEPTH_RESOLVE,
 264    BLIT_MSAA_SHADER_2D_MULTISAMPLE_DEPTH_COPY,
 265    BLIT_1X_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_RESOLVE,
 266    BLIT_2X_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_RESOLVE,
 267    BLIT_4X_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_RESOLVE,
 268    BLIT_8X_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_RESOLVE,
 269    BLIT_16X_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_RESOLVE,
 270    BLIT_1X_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_RESOLVE_INT,
 271    BLIT_2X_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_RESOLVE_INT,
 272    BLIT_4X_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_RESOLVE_INT,
 273    BLIT_8X_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_RESOLVE_INT,
 274    BLIT_16X_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_RESOLVE_INT,
 275    BLIT_1X_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_RESOLVE_UINT,
 276    BLIT_2X_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_RESOLVE_UINT,
 277    BLIT_4X_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_RESOLVE_UINT,
 278    BLIT_8X_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_RESOLVE_UINT,
 279    BLIT_16X_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_RESOLVE_UINT,
 280    BLIT_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_COPY,
 281    BLIT_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_COPY_INT,
 282    BLIT_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_COPY_UINT,
 283    BLIT_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_DEPTH_RESOLVE,
 284    BLIT_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_DEPTH_COPY,
 285    BLIT_2X_MSAA_SHADER_2D_MULTISAMPLE_SCALED_RESOLVE,
 286    BLIT_4X_MSAA_SHADER_2D_MULTISAMPLE_SCALED_RESOLVE,
 287    BLIT_8X_MSAA_SHADER_2D_MULTISAMPLE_SCALED_RESOLVE,
 288    BLIT_16X_MSAA_SHADER_2D_MULTISAMPLE_SCALED_RESOLVE,
 289    BLIT_2X_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_SCALED_RESOLVE,
 290    BLIT_4X_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_SCALED_RESOLVE,
 291    BLIT_8X_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_SCALED_RESOLVE,
 292    BLIT_16X_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_SCALED_RESOLVE,
 293    BLIT_MSAA_SHADER_COUNT,
 294 };
 295
 296 /**
 297  * State for glBlitFramebufer()
 298  */
 299 struct blit_state
 300 {
 301    GLuint VAO;
 302    struct gl_buffer_object *buf_obj;
 303    struct blit_shader_table shaders_with_depth;
 304    struct blit_shader_table shaders_without_depth;
 305    struct gl_shader_program *msaa_shaders[BLIT_MSAA_SHADER_COUNT];
 306    struct temp_texture depthTex;
 307    bool no_ctsi_fallback;
 308 };
 309
 310 struct fb_tex_blit_state
 311 {
 312    GLint baseLevelSave, maxLevelSave;
 313    struct gl_sampler_object *samp_obj;
 314    struct gl_sampler_object *samp_obj_save;
 315    struct gl_texture_object *tex_obj;
 316    struct gl_texture_object *temp_tex_obj;
 317    GLuint stencilSamplingSave;
 318 };
 319
 320
 321 /**
 322  * State for glClear()
 323  */
 324 struct clear_state
 325 {
 326    GLuint VAO;
 327    struct gl_buffer_object *buf_obj;
 328    struct gl_shader_program *ShaderProg;
 329    struct gl_shader_program *IntegerShaderProg;
 330 };
 331
 332
 333 /**
 334  * State for glCopyPixels()
 335  */
 336 struct copypix_state
 337 {
 338    GLuint VAO;
 339    struct gl_buffer_object *buf_obj;
 340 };
 341
 342
 343 /**
 344  * State for glDrawPixels()
 345  */
 346 struct drawpix_state
 347 {
 348    GLuint VAO;
 349    struct gl_buffer_object *buf_obj;
 350
 351    GLuint StencilFP;  /**< Fragment program for drawing stencil images */
 352    GLuint DepthFP;  /**< Fragment program for drawing depth images */
 353 };
 354
 355
 356 /**
 357  * State for glBitmap()
 358  */
 359 struct bitmap_state
 360 {
 361    GLuint VAO;
 362    struct gl_buffer_object *buf_obj;
 363    struct temp_texture Tex;  /**< separate texture from other meta ops */
 364 };
 365
 366 /**
 367  * State for _mesa_meta_generate_mipmap()
 368  */
 369 struct gen_mipmap_state
 370 {
 371    GLuint VAO;
 372    struct gl_buffer_object *buf_obj;
 373    struct gl_framebuffer *fb;
 374    struct gl_sampler_object *samp_obj;
 375
 376    struct blit_shader_table shaders;
 377 };
 378
 379 /**
 380  * One of the FBO states for decompress_state. There will be one for each
 381  * required renderbuffer format.
 382  */
 383 struct decompress_fbo_state
 384 {
 385    struct gl_renderbuffer *rb;
 386    struct gl_framebuffer *fb;
 387    GLint Width, Height;
 388 };
 389
 390 /**
 391  * State for texture decompression
 392  */
 393 struct decompress_state
 394 {
 395    GLuint VAO;
 396    struct decompress_fbo_state byteFBO, floatFBO;
 397    struct gl_buffer_object *buf_obj;
 398    struct gl_sampler_object *samp_obj;
 399
 400    struct blit_shader_table shaders;
 401 };
 402
 403 /**
 404  * State for glDrawTex()
 405  */
 406 struct drawtex_state
 407 {
 408    GLuint VAO;
 409    struct gl_buffer_object *buf_obj;
 410 };
 411
 412 #define MAX_META_OPS_DEPTH      8
 413 /**
 414  * All per-context meta state.
 415  */
 416 struct gl_meta_state
 417 {
 418    /** Stack of state saved during meta-ops */
 419    struct save_state Save[MAX_META_OPS_DEPTH];
 420    /** Save stack depth */
 421    GLuint SaveStackDepth;
 422
 423    struct temp_texture TempTex;
 424
 425    struct blit_state Blit;    /**< For _mesa_meta_BlitFramebuffer() */
 426    struct clear_state Clear;  /**< For _mesa_meta_Clear() */
 427    struct copypix_state CopyPix;  /**< For _mesa_meta_CopyPixels() */
 428    struct drawpix_state DrawPix;  /**< For _mesa_meta_DrawPixels() */
 429    struct bitmap_state Bitmap;    /**< For _mesa_meta_Bitmap() */
 430    struct gen_mipmap_state Mipmap;    /**< For _mesa_meta_GenerateMipmap() */
 431    struct decompress_state Decompress;  /**< For texture decompression */
 432    struct drawtex_state DrawTex;  /**< For _mesa_meta_DrawTex() */
 433 };
 434
 435 struct vertex {
 436    GLfloat x, y, z, tex[4];
 437    GLfloat r, g, b, a;
 438 };
 439
 440 extern void
 441 _mesa_meta_init(struct gl_context *ctx);
 442
 443 extern void
 444 _mesa_meta_free(struct gl_context *ctx);
 445
 446 extern void
 447 _mesa_meta_begin(struct gl_context *ctx, GLbitfield state);
 448
 449 extern void
 450 _mesa_meta_end(struct gl_context *ctx);
 451
 452 static inline bool
 453 _mesa_meta_in_progress(struct gl_context *ctx)
 454 {
 455    return ctx->Meta->SaveStackDepth != 0;
 456 }
 457
 458 extern void
 459 _mesa_meta_fb_tex_blit_begin(struct gl_context *ctx,
 460                              struct fb_tex_blit_state *blit);
 461
 462 extern void
 463 _mesa_meta_fb_tex_blit_end(struct gl_context *ctx, GLenum target,
 464                            struct fb_tex_blit_state *blit);
 465
 466 extern struct gl_texture_object *
 467 _mesa_meta_texture_object_from_renderbuffer(struct gl_context *ctx,
 468                                             struct gl_renderbuffer *rb);
 469
 470 struct gl_sampler_object *
 471 _mesa_meta_setup_sampler(struct gl_context *ctx,
 472                          struct gl_texture_object *texObj,
 473                          GLenum target, GLenum filter, GLuint srcLevel);
 474
 475 extern GLbitfield
 476 _mesa_meta_BlitFramebuffer(struct gl_context *ctx,
 477                            const struct gl_framebuffer *readFb,
 478                            const struct gl_framebuffer *drawFb,
 479                            GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
 480                            GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
 481                            GLbitfield mask, GLenum filter);
 482
 483 extern void
 484 _mesa_meta_and_swrast_BlitFramebuffer(struct gl_context *ctx,
 485                                       struct gl_framebuffer *readFb,
 486                                       struct gl_framebuffer *drawFb,
 487                                       GLint srcX0, GLint srcY0,
 488                                       GLint srcX1, GLint srcY1,
 489                                       GLint dstX0, GLint dstY0,
 490                                       GLint dstX1, GLint dstY1,
 491                                       GLbitfield mask, GLenum filter);
 492
 493 extern void
 494 _mesa_meta_Clear(struct gl_context *ctx, GLbitfield buffers);
 495
 496 extern void
 497 _mesa_meta_glsl_Clear(struct gl_context *ctx, GLbitfield buffers);
 498
 499 extern void
 500 _mesa_meta_CopyPixels(struct gl_context *ctx, GLint srcx, GLint srcy,
 501                       GLsizei width, GLsizei height,
 502                       GLint dstx, GLint dsty, GLenum type);
 503
 504 extern void
 505 _mesa_meta_DrawPixels(struct gl_context *ctx,
 506                       GLint x, GLint y, GLsizei width, GLsizei height,
 507                       GLenum format, GLenum type,
 508                       const struct gl_pixelstore_attrib *unpack,
 509                       const GLvoid *pixels);
 510
 511 extern void
 512 _mesa_meta_Bitmap(struct gl_context *ctx,
 513                   GLint x, GLint y, GLsizei width, GLsizei height,
 514                   const struct gl_pixelstore_attrib *unpack,
 515                   const GLubyte *bitmap);
 516
 517 extern void
 518 _mesa_meta_GenerateMipmap(struct gl_context *ctx, GLenum target,
 519                           struct gl_texture_object *texObj);
 520
 521 extern void
 522 _mesa_meta_CopyTexSubImage(struct gl_context *ctx, GLuint dims,
 523                            struct gl_texture_image *texImage,
 524                            GLint xoffset, GLint yoffset, GLint slice,
 525                            struct gl_renderbuffer *rb,
 526                            GLint x, GLint y,
 527                            GLsizei width, GLsizei height);
 528
 529 extern void
 530 _mesa_meta_ClearTexSubImage(struct gl_context *ctx,
 531                             struct gl_texture_image *texImage,
 532                             GLint xoffset, GLint yoffset, GLint zoffset,
 533                             GLsizei width, GLsizei height, GLsizei depth,
 534                             const GLvoid *clearValue);
 535
 536 extern void
 537 _mesa_meta_GetTexSubImage(struct gl_context *ctx,
 538                           GLint xoffset, GLint yoffset, GLint zoffset,
 539                           GLsizei width, GLsizei height, GLsizei depth,
 540                           GLenum format, GLenum type, GLvoid *pixels,
 541                           struct gl_texture_image *texImage);
 542
 543 extern void
 544 _mesa_meta_DrawTex(struct gl_context *ctx, GLfloat x, GLfloat y, GLfloat z,
 545                    GLfloat width, GLfloat height);
 546
 547 /* meta-internal functions */
 548 void
 549 _mesa_meta_drawbuffers_from_bitfield(GLbitfield bits);
 550
 551 void
 552 _mesa_meta_link_program_with_debug(struct gl_context *ctx,
 553                                    struct gl_shader_program *sh_prog);
 554
 555 void
 556 _mesa_meta_compile_and_link_program(struct gl_context *ctx,
 557                                     const char *vs_source,
 558                                     const char *fs_source,
 559                                     const char *name,
 560                                     struct gl_shader_program **sh_prog_ptr);
 561
 562 extern void
 563 _mesa_meta_use_program(struct gl_context *ctx,
 564                        struct gl_shader_program *sh_prog);
 565
 566 GLboolean
 567 _mesa_meta_alloc_texture(struct temp_texture *tex,
 568                          GLsizei width, GLsizei height, GLenum intFormat);
 569
 570 void
 571 _mesa_meta_setup_texture_coords(GLenum faceTarget,
 572                                 GLint slice,
 573                                 GLint xoffset,
 574                                 GLint yoffset,
 575                                 GLint width,
 576                                 GLint height,
 577                                 GLint total_width,
 578                                 GLint total_height,
 579                                 GLint total_depth,
 580                                 GLfloat coords0[4],
 581                                 GLfloat coords1[4],
 582                                 GLfloat coords2[4],
 583                                 GLfloat coords3[4]);
 584
 585 struct temp_texture *
 586 _mesa_meta_get_temp_texture(struct gl_context *ctx);
 587
 588 struct temp_texture *
 589 _mesa_meta_get_temp_depth_texture(struct gl_context *ctx);
 590
 591 void
 592 _mesa_meta_setup_vertex_objects(struct gl_context *ctx,
 593                                 GLuint *VAO, struct gl_buffer_object **buf_obj,
 594                                 bool use_generic_attributes,
 595                                 unsigned vertex_size, unsigned texcoord_size,
 596                                 unsigned color_size);
 597
 598 void
 599 _mesa_meta_setup_ff_tnl_for_blit(struct gl_context *ctx,
 600                                  GLuint *VAO, struct gl_buffer_object **buf_obj,
 601                                  unsigned texcoord_size);
 602
 603 void
 604 _mesa_meta_setup_drawpix_texture(struct gl_context *ctx,
 605                                  struct temp_texture *tex,
 606                                  GLboolean newTex,
 607                                  GLsizei width, GLsizei height,
 608                                  GLenum format, GLenum type,
 609                                  const GLvoid *pixels);
 610
 611 void
 612 _mesa_meta_setup_copypix_texture(struct gl_context *ctx,
 613                                  struct temp_texture *tex,
 614                                  GLint srcX, GLint srcY,
 615                                  GLsizei width, GLsizei height,
 616                                  GLenum intFormat,
 617                                  GLenum filter);
 618
 619 void
 620 _mesa_meta_setup_blit_shader(struct gl_context *ctx,
 621                              GLenum target,
 622                              bool do_depth,
 623                              struct blit_shader_table *table);
 624
 625 void
 626 _mesa_meta_glsl_blit_cleanup(struct gl_context *ctx, struct blit_state *blit);
 627
 628 void
 629 _mesa_meta_blit_shader_table_cleanup(struct gl_context *ctx,
 630                                      struct blit_shader_table *table);
 631
 632 void
 633 _mesa_meta_glsl_generate_mipmap_cleanup(struct gl_context *ctx,
 634                                         struct gen_mipmap_state *mipmap);
 635
 636 void
 637 _mesa_meta_framebuffer_texture_image(struct gl_context *ctx,
 638                                      struct gl_framebuffer *fb,
 639                                      GLenum attachment,
 640                                      struct gl_texture_image *texImage,
 641                                      GLuint layer);
 642
 643 #endif /* META_H */