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
  76    /** MESA_META_CLEAR (and others?) */
  77    struct gl_query_object *CurrentOcclusionObject;
  78
  79    /** MESA_META_ALPHA_TEST */
  80    GLboolean AlphaEnabled;
  81    GLenum AlphaFunc;
  82    GLclampf AlphaRef;
  83
  84    /** MESA_META_BLEND */
  85    GLbitfield BlendEnabled;
  86    GLboolean ColorLogicOpEnabled;
  87
  88    /** MESA_META_DITHER */
  89    GLboolean DitherFlag;
  90
  91    /** MESA_META_COLOR_MASK */
  92    GLubyte ColorMask[MAX_DRAW_BUFFERS][4];
  93
  94    /** MESA_META_DEPTH_TEST */
  95    struct gl_depthbuffer_attrib Depth;
  96
  97    /** MESA_META_FOG */
  98    GLboolean Fog;
  99
 100    /** MESA_META_PIXEL_STORE */
 101    struct gl_pixelstore_attrib Pack, Unpack;
 102
 103    /** MESA_META_PIXEL_TRANSFER */
 104    GLfloat RedBias, RedScale;
 105    GLfloat GreenBias, GreenScale;
 106    GLfloat BlueBias, BlueScale;
 107    GLfloat AlphaBias, AlphaScale;
 108    GLfloat DepthBias, DepthScale;
 109    GLboolean MapColorFlag;
 110
 111    /** MESA_META_RASTERIZATION */
 112    GLenum FrontPolygonMode, BackPolygonMode;
 113    GLboolean PolygonOffset;
 114    GLboolean PolygonSmooth;
 115    GLboolean PolygonStipple;
 116    GLboolean PolygonCull;
 117
 118    /** MESA_META_SCISSOR */
 119    struct gl_scissor_attrib Scissor;
 120
 121    /** MESA_META_SHADER */
 122    GLboolean VertexProgramEnabled;
 123    struct gl_vertex_program *VertexProgram;
 124    GLboolean FragmentProgramEnabled;
 125    struct gl_fragment_program *FragmentProgram;
 126    GLboolean ATIFragmentShaderEnabled;
 127    struct gl_shader_program *Shader[MESA_SHADER_STAGES];
 128    struct gl_shader_program *ActiveShader;
 129    struct gl_pipeline_object   *Pipeline;
 130
 131    /** MESA_META_STENCIL_TEST */
 132    struct gl_stencil_attrib Stencil;
 133
 134    /** MESA_META_TRANSFORM */
 135    GLenum MatrixMode;
 136    GLfloat ModelviewMatrix[16];
 137    GLfloat ProjectionMatrix[16];
 138    GLfloat TextureMatrix[16];
 139    /** GL_ARB_clip_control */
 140    GLenum ClipOrigin;     /**< GL_LOWER_LEFT or GL_UPPER_LEFT */
 141    GLenum ClipDepthMode;  /**< GL_NEGATIVE_ONE_TO_ONE or GL_ZERO_TO_ONE */
 142
 143    /** MESA_META_CLIP */
 144    GLbitfield ClipPlanesEnabled;
 145
 146    /** MESA_META_TEXTURE */
 147    GLuint ActiveUnit;
 148    GLuint ClientActiveUnit;
 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    struct gl_buffer_object *ArrayBufferObj;
 159
 160    /** MESA_META_VIEWPORT */
 161    GLfloat ViewportX, ViewportY, ViewportW, ViewportH;
 162    GLclampd DepthNear, DepthFar;
 163
 164    /** MESA_META_CLAMP_FRAGMENT_COLOR */
 165    GLenum ClampFragmentColor;
 166
 167    /** MESA_META_CLAMP_VERTEX_COLOR */
 168    GLenum ClampVertexColor;
 169
 170    /** MESA_META_CONDITIONAL_RENDER */
 171    struct gl_query_object *CondRenderQuery;
 172    GLenum CondRenderMode;
 173
 174    /** MESA_META_SELECT_FEEDBACK */
 175    GLenum RenderMode;
 176    struct gl_selection Select;
 177    struct gl_feedback Feedback;
 178
 179    /** MESA_META_MULTISAMPLE */
 180    struct gl_multisample_attrib Multisample;
 181
 182    /** MESA_META_FRAMEBUFFER_SRGB */
 183    GLboolean sRGBEnabled;
 184
 185    /** Miscellaneous (always disabled) */
 186    GLboolean Lighting;
 187    GLboolean RasterDiscard;
 188    GLboolean TransformFeedbackNeedsResume;
 189
 190    GLuint DrawBufferName, ReadBufferName, RenderbufferName;
 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    GLuint TexObj;
 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    GLuint 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    GLuint VBO;
 303    struct blit_shader_table shaders_with_depth;
 304    struct blit_shader_table shaders_without_depth;
 305    GLuint 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    GLuint sampler, samplerSave, stencilSamplingSave;
 314    GLuint tempTex;
 315 };
 316
 317
 318 /**
 319  * State for glClear()
 320  */
 321 struct clear_state
 322 {
 323    GLuint VAO;
 324    GLuint VBO;
 325    GLuint ShaderProg;
 326    GLint ColorLocation;
 327    GLint LayerLocation;
 328
 329    GLuint IntegerShaderProg;
 330    GLint IntegerColorLocation;
 331    GLint IntegerLayerLocation;
 332 };
 333
 334
 335 /**
 336  * State for glCopyPixels()
 337  */
 338 struct copypix_state
 339 {
 340    GLuint VAO;
 341    GLuint VBO;
 342 };
 343
 344
 345 /**
 346  * State for glDrawPixels()
 347  */
 348 struct drawpix_state
 349 {
 350    GLuint VAO;
 351    GLuint VBO;
 352
 353    GLuint StencilFP;  /**< Fragment program for drawing stencil images */
 354    GLuint DepthFP;  /**< Fragment program for drawing depth images */
 355 };
 356
 357
 358 /**
 359  * State for glBitmap()
 360  */
 361 struct bitmap_state
 362 {
 363    GLuint VAO;
 364    GLuint VBO;
 365    struct temp_texture Tex;  /**< separate texture from other meta ops */
 366 };
 367
 368 /**
 369  * State for _mesa_meta_generate_mipmap()
 370  */
 371 struct gen_mipmap_state
 372 {
 373    GLuint VAO;
 374    GLuint VBO;
 375    GLuint FBO;
 376    GLuint Sampler;
 377
 378    struct blit_shader_table shaders;
 379 };
 380
 381 /**
 382  * One of the FBO states for decompress_state. There will be one for each
 383  * required renderbuffer format.
 384  */
 385 struct decompress_fbo_state
 386 {
 387    GLuint FBO, RBO;
 388    GLint Width, Height;
 389 };
 390
 391 /**
 392  * State for texture decompression
 393  */
 394 struct decompress_state
 395 {
 396    GLuint VAO;
 397    struct decompress_fbo_state byteFBO, floatFBO;
 398    GLuint VBO, Sampler;
 399
 400    struct blit_shader_table shaders;
 401 };
 402
 403 /**
 404  * State for glDrawTex()
 405  */
 406 struct drawtex_state
 407 {
 408    GLuint VAO;
 409    GLuint VBO;
 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(const 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 GLboolean
 467 _mesa_meta_bind_rb_as_tex_image(struct gl_context *ctx,
 468                                 struct gl_renderbuffer *rb,
 469                                 GLuint *tex,
 470                                 struct gl_texture_object **texObj,
 471                                 GLenum *target);
 472
 473 GLuint
 474 _mesa_meta_setup_sampler(struct gl_context *ctx,
 475                          const struct gl_texture_object *texObj,
 476                          GLenum target, GLenum filter, GLuint srcLevel);
 477
 478 extern GLbitfield
 479 _mesa_meta_BlitFramebuffer(struct gl_context *ctx,
 480                            const struct gl_framebuffer *readFb,
 481                            const struct gl_framebuffer *drawFb,
 482                            GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
 483                            GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
 484                            GLbitfield mask, GLenum filter);
 485
 486 extern void
 487 _mesa_meta_and_swrast_BlitFramebuffer(struct gl_context *ctx,
 488                                       struct gl_framebuffer *readFb,
 489                                       struct gl_framebuffer *drawFb,
 490                                       GLint srcX0, GLint srcY0,
 491                                       GLint srcX1, GLint srcY1,
 492                                       GLint dstX0, GLint dstY0,
 493                                       GLint dstX1, GLint dstY1,
 494                                       GLbitfield mask, GLenum filter);
 495
 496 bool
 497 _mesa_meta_CopyImageSubData_uncompressed(struct gl_context *ctx,
 498                                          struct gl_texture_image *src_tex_image,
 499                                          struct gl_renderbuffer *src_renderbuffer,
 500                                          int src_x, int src_y, int src_z,
 501                                          struct gl_texture_image *dst_tex_image,
 502                                          struct gl_renderbuffer *dst_renderbuffer,
 503                                          int dst_x, int dst_y, int dst_z,
 504                                          int src_width, int src_height);
 505
 506 extern void
 507 _mesa_meta_Clear(struct gl_context *ctx, GLbitfield buffers);
 508
 509 extern void
 510 _mesa_meta_glsl_Clear(struct gl_context *ctx, GLbitfield buffers);
 511
 512 extern void
 513 _mesa_meta_CopyPixels(struct gl_context *ctx, GLint srcx, GLint srcy,
 514                       GLsizei width, GLsizei height,
 515                       GLint dstx, GLint dsty, GLenum type);
 516
 517 extern void
 518 _mesa_meta_DrawPixels(struct gl_context *ctx,
 519                       GLint x, GLint y, GLsizei width, GLsizei height,
 520                       GLenum format, GLenum type,
 521                       const struct gl_pixelstore_attrib *unpack,
 522                       const GLvoid *pixels);
 523
 524 extern void
 525 _mesa_meta_Bitmap(struct gl_context *ctx,
 526                   GLint x, GLint y, GLsizei width, GLsizei height,
 527                   const struct gl_pixelstore_attrib *unpack,
 528                   const GLubyte *bitmap);
 529
 530 extern void
 531 _mesa_meta_GenerateMipmap(struct gl_context *ctx, GLenum target,
 532                           struct gl_texture_object *texObj);
 533
 534 extern bool
 535 _mesa_meta_pbo_TexSubImage(struct gl_context *ctx, GLuint dims,
 536                            struct gl_texture_image *tex_image,
 537                            int xoffset, int yoffset, int zoffset,
 538                            int width, int height, int depth,
 539                            GLenum format, GLenum type, const void *pixels,
 540                            bool allocate_storage, bool create_pbo,
 541                            const struct gl_pixelstore_attrib *packing);
 542
 543 extern bool
 544 _mesa_meta_pbo_GetTexSubImage(struct gl_context *ctx, GLuint dims,
 545                               struct gl_texture_image *tex_image,
 546                               int xoffset, int yoffset, int zoffset,
 547                               int width, int height, int depth,
 548                               GLenum format, GLenum type, const void *pixels,
 549                               const struct gl_pixelstore_attrib *packing);
 550
 551 extern void
 552 _mesa_meta_CopyTexSubImage(struct gl_context *ctx, GLuint dims,
 553                            struct gl_texture_image *texImage,
 554                            GLint xoffset, GLint yoffset, GLint slice,
 555                            struct gl_renderbuffer *rb,
 556                            GLint x, GLint y,
 557                            GLsizei width, GLsizei height);
 558
 559 extern void
 560 _mesa_meta_ClearTexSubImage(struct gl_context *ctx,
 561                             struct gl_texture_image *texImage,
 562                             GLint xoffset, GLint yoffset, GLint zoffset,
 563                             GLsizei width, GLsizei height, GLsizei depth,
 564                             const GLvoid *clearValue);
 565
 566 extern void
 567 _mesa_meta_GetTexSubImage(struct gl_context *ctx,
 568                           GLint xoffset, GLint yoffset, GLint zoffset,
 569                           GLsizei width, GLsizei height, GLsizei depth,
 570                           GLenum format, GLenum type, GLvoid *pixels,
 571                           struct gl_texture_image *texImage);
 572
 573 extern void
 574 _mesa_meta_DrawTex(struct gl_context *ctx, GLfloat x, GLfloat y, GLfloat z,
 575                    GLfloat width, GLfloat height);
 576
 577 /* meta-internal functions */
 578 void
 579 _mesa_meta_drawbuffers_from_bitfield(GLbitfield bits);
 580
 581 GLuint
 582 _mesa_meta_compile_shader_with_debug(struct gl_context *ctx, GLenum target,
 583                                      const GLcharARB *source);
 584
 585
 586 GLuint
 587 _mesa_meta_link_program_with_debug(struct gl_context *ctx, GLuint program);
 588
 589 void
 590 _mesa_meta_compile_and_link_program(struct gl_context *ctx,
 591                                     const char *vs_source,
 592                                     const char *fs_source,
 593                                     const char *name,
 594                                     GLuint *program);
 595
 596 GLboolean
 597 _mesa_meta_alloc_texture(struct temp_texture *tex,
 598                          GLsizei width, GLsizei height, GLenum intFormat);
 599
 600 void
 601 _mesa_meta_setup_texture_coords(GLenum faceTarget,
 602                                 GLint slice,
 603                                 GLint xoffset,
 604                                 GLint yoffset,
 605                                 GLint width,
 606                                 GLint height,
 607                                 GLint total_width,
 608                                 GLint total_height,
 609                                 GLint total_depth,
 610                                 GLfloat coords0[4],
 611                                 GLfloat coords1[4],
 612                                 GLfloat coords2[4],
 613                                 GLfloat coords3[4]);
 614
 615 struct temp_texture *
 616 _mesa_meta_get_temp_texture(struct gl_context *ctx);
 617
 618 struct temp_texture *
 619 _mesa_meta_get_temp_depth_texture(struct gl_context *ctx);
 620
 621 void
 622 _mesa_meta_setup_vertex_objects(GLuint *VAO, GLuint *VBO,
 623                                 bool use_generic_attributes,
 624                                 unsigned vertex_size, unsigned texcoord_size,
 625                                 unsigned color_size);
 626
 627 void
 628 _mesa_meta_setup_ff_tnl_for_blit(GLuint *VAO, GLuint *VBO,
 629                                  unsigned texcoord_size);
 630
 631 void
 632 _mesa_meta_setup_drawpix_texture(struct gl_context *ctx,
 633                                  struct temp_texture *tex,
 634                                  GLboolean newTex,
 635                                  GLsizei width, GLsizei height,
 636                                  GLenum format, GLenum type,
 637                                  const GLvoid *pixels);
 638
 639 void
 640 _mesa_meta_setup_copypix_texture(struct gl_context *ctx,
 641                                  struct temp_texture *tex,
 642                                  GLint srcX, GLint srcY,
 643                                  GLsizei width, GLsizei height,
 644                                  GLenum intFormat,
 645                                  GLenum filter);
 646
 647 void
 648 _mesa_meta_setup_blit_shader(struct gl_context *ctx,
 649                              GLenum target,
 650                              bool do_depth,
 651                              struct blit_shader_table *table);
 652
 653 void
 654 _mesa_meta_glsl_blit_cleanup(struct blit_state *blit);
 655
 656 void
 657 _mesa_meta_blit_shader_table_cleanup(struct blit_shader_table *table);
 658
 659 void
 660 _mesa_meta_glsl_generate_mipmap_cleanup(struct gen_mipmap_state *mipmap);
 661
 662 void
 663 _mesa_meta_bind_fbo_image(GLenum target, GLenum attachment,
 664                           struct gl_texture_image *texImage, GLuint layer);
 665
 666 #endif /* META_H */