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_2X_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_SCALED_RESOLVE,
 289    BLIT_4X_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_SCALED_RESOLVE,
 290    BLIT_8X_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_SCALED_RESOLVE,
 291    BLIT_MSAA_SHADER_COUNT,
 292 };
 293
 294 /**
 295  * State for glBlitFramebufer()
 296  */
 297 struct blit_state
 298 {
 299    GLuint VAO;
 300    GLuint VBO;
 301    struct blit_shader_table shaders;
 302    GLuint msaa_shaders[BLIT_MSAA_SHADER_COUNT];
 303    struct temp_texture depthTex;
 304    bool no_ctsi_fallback;
 305 };
 306
 307 struct fb_tex_blit_state
 308 {
 309    GLint baseLevelSave, maxLevelSave;
 310    GLuint sampler, samplerSave, stencilSamplingSave;
 311    GLuint tempTex;
 312 };
 313
 314
 315 /**
 316  * State for glClear()
 317  */
 318 struct clear_state
 319 {
 320    GLuint VAO;
 321    GLuint VBO;
 322    GLuint ShaderProg;
 323    GLint ColorLocation;
 324    GLint LayerLocation;
 325
 326    GLuint IntegerShaderProg;
 327    GLint IntegerColorLocation;
 328    GLint IntegerLayerLocation;
 329 };
 330
 331
 332 /**
 333  * State for glCopyPixels()
 334  */
 335 struct copypix_state
 336 {
 337    GLuint VAO;
 338    GLuint VBO;
 339 };
 340
 341
 342 /**
 343  * State for glDrawPixels()
 344  */
 345 struct drawpix_state
 346 {
 347    GLuint VAO;
 348    GLuint VBO;
 349
 350    GLuint StencilFP;  /**< Fragment program for drawing stencil images */
 351    GLuint DepthFP;  /**< Fragment program for drawing depth images */
 352 };
 353
 354
 355 /**
 356  * State for glBitmap()
 357  */
 358 struct bitmap_state
 359 {
 360    GLuint VAO;
 361    GLuint VBO;
 362    struct temp_texture Tex;  /**< separate texture from other meta ops */
 363 };
 364
 365 /**
 366  * State for _mesa_meta_generate_mipmap()
 367  */
 368 struct gen_mipmap_state
 369 {
 370    GLuint VAO;
 371    GLuint VBO;
 372    GLuint FBO;
 373    GLuint Sampler;
 374
 375    struct blit_shader_table shaders;
 376 };
 377
 378 /**
 379  * One of the FBO states for decompress_state. There will be one for each
 380  * required renderbuffer format.
 381  */
 382 struct decompress_fbo_state
 383 {
 384    GLuint FBO, RBO;
 385    GLint Width, Height;
 386 };
 387
 388 /**
 389  * State for texture decompression
 390  */
 391 struct decompress_state
 392 {
 393    GLuint VAO;
 394    struct decompress_fbo_state byteFBO, floatFBO;
 395    GLuint VBO, Sampler;
 396
 397    struct blit_shader_table shaders;
 398 };
 399
 400 /**
 401  * State for glDrawTex()
 402  */
 403 struct drawtex_state
 404 {
 405    GLuint VAO;
 406    GLuint VBO;
 407 };
 408
 409 #define MAX_META_OPS_DEPTH      8
 410 /**
 411  * All per-context meta state.
 412  */
 413 struct gl_meta_state
 414 {
 415    /** Stack of state saved during meta-ops */
 416    struct save_state Save[MAX_META_OPS_DEPTH];
 417    /** Save stack depth */
 418    GLuint SaveStackDepth;
 419
 420    struct temp_texture TempTex;
 421
 422    struct blit_state Blit;    /**< For _mesa_meta_BlitFramebuffer() */
 423    struct clear_state Clear;  /**< For _mesa_meta_Clear() */
 424    struct copypix_state CopyPix;  /**< For _mesa_meta_CopyPixels() */
 425    struct drawpix_state DrawPix;  /**< For _mesa_meta_DrawPixels() */
 426    struct bitmap_state Bitmap;    /**< For _mesa_meta_Bitmap() */
 427    struct gen_mipmap_state Mipmap;    /**< For _mesa_meta_GenerateMipmap() */
 428    struct decompress_state Decompress;  /**< For texture decompression */
 429    struct drawtex_state DrawTex;  /**< For _mesa_meta_DrawTex() */
 430 };
 431
 432 struct vertex {
 433    GLfloat x, y, z, tex[4];
 434    GLfloat r, g, b, a;
 435 };
 436
 437 extern void
 438 _mesa_meta_init(struct gl_context *ctx);
 439
 440 extern void
 441 _mesa_meta_free(struct gl_context *ctx);
 442
 443 extern void
 444 _mesa_meta_begin(struct gl_context *ctx, GLbitfield state);
 445
 446 extern void
 447 _mesa_meta_end(struct gl_context *ctx);
 448
 449 extern GLboolean
 450 _mesa_meta_in_progress(struct gl_context *ctx);
 451
 452 extern void
 453 _mesa_meta_fb_tex_blit_begin(const struct gl_context *ctx,
 454                              struct fb_tex_blit_state *blit);
 455
 456 extern void
 457 _mesa_meta_fb_tex_blit_end(struct gl_context *ctx, GLenum target,
 458                            struct fb_tex_blit_state *blit);
 459
 460 extern GLboolean
 461 _mesa_meta_bind_rb_as_tex_image(struct gl_context *ctx,
 462                                 struct gl_renderbuffer *rb,
 463                                 GLuint *tex,
 464                                 struct gl_texture_object **texObj,
 465                                 GLenum *target);
 466
 467 GLuint
 468 _mesa_meta_setup_sampler(struct gl_context *ctx,
 469                          const struct gl_texture_object *texObj,
 470                          GLenum target, GLenum filter, GLuint srcLevel);
 471
 472 extern GLbitfield
 473 _mesa_meta_BlitFramebuffer(struct gl_context *ctx,
 474                            GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
 475                            GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
 476                            GLbitfield mask, GLenum filter);
 477
 478 extern void
 479 _mesa_meta_and_swrast_BlitFramebuffer(struct gl_context *ctx,
 480                                       GLint srcX0, GLint srcY0,
 481                                       GLint srcX1, GLint srcY1,
 482                                       GLint dstX0, GLint dstY0,
 483                                       GLint dstX1, GLint dstY1,
 484                                       GLbitfield mask, GLenum filter);
 485
 486 bool
 487 _mesa_meta_CopyImageSubData_uncompressed(struct gl_context *ctx,
 488                                          struct gl_texture_image *src_tex_image,
 489                                          int src_x, int src_y, int src_z,
 490                                          struct gl_texture_image *dst_tex_image,
 491                                          int dst_x, int dst_y, int dst_z,
 492                                          int src_width, int src_height);
 493
 494 extern void
 495 _mesa_meta_Clear(struct gl_context *ctx, GLbitfield buffers);
 496
 497 extern void
 498 _mesa_meta_glsl_Clear(struct gl_context *ctx, GLbitfield buffers);
 499
 500 extern void
 501 _mesa_meta_CopyPixels(struct gl_context *ctx, GLint srcx, GLint srcy,
 502                       GLsizei width, GLsizei height,
 503                       GLint dstx, GLint dsty, GLenum type);
 504
 505 extern void
 506 _mesa_meta_DrawPixels(struct gl_context *ctx,
 507                       GLint x, GLint y, GLsizei width, GLsizei height,
 508                       GLenum format, GLenum type,
 509                       const struct gl_pixelstore_attrib *unpack,
 510                       const GLvoid *pixels);
 511
 512 extern void
 513 _mesa_meta_Bitmap(struct gl_context *ctx,
 514                   GLint x, GLint y, GLsizei width, GLsizei height,
 515                   const struct gl_pixelstore_attrib *unpack,
 516                   const GLubyte *bitmap);
 517
 518 extern void
 519 _mesa_meta_GenerateMipmap(struct gl_context *ctx, GLenum target,
 520                           struct gl_texture_object *texObj);
 521
 522 extern void
 523 _mesa_meta_CopyTexSubImage(struct gl_context *ctx, GLuint dims,
 524                            struct gl_texture_image *texImage,
 525                            GLint xoffset, GLint yoffset, GLint slice,
 526                            struct gl_renderbuffer *rb,
 527                            GLint x, GLint y,
 528                            GLsizei width, GLsizei height);
 529
 530 extern void
 531 _mesa_meta_ClearTexSubImage(struct gl_context *ctx,
 532                             struct gl_texture_image *texImage,
 533                             GLint xoffset, GLint yoffset, GLint zoffset,
 534                             GLsizei width, GLsizei height, GLsizei depth,
 535                             const GLvoid *clearValue);
 536
 537 extern void
 538 _mesa_meta_GetTexImage(struct gl_context *ctx,
 539                        GLenum format, GLenum type, GLvoid *pixels,
 540                        struct gl_texture_image *texImage);
 541
 542 extern void
 543 _mesa_meta_DrawTex(struct gl_context *ctx, GLfloat x, GLfloat y, GLfloat z,
 544                    GLfloat width, GLfloat height);
 545
 546 /* meta-internal functions */
 547 void
 548 _mesa_meta_drawbuffers_from_bitfield(GLbitfield bits);
 549
 550 GLuint
 551 _mesa_meta_compile_shader_with_debug(struct gl_context *ctx, GLenum target,
 552                                      const GLcharARB *source);
 553
 554
 555 GLuint
 556 _mesa_meta_link_program_with_debug(struct gl_context *ctx, GLuint program);
 557
 558 void
 559 _mesa_meta_compile_and_link_program(struct gl_context *ctx,
 560                                     const char *vs_source,
 561                                     const char *fs_source,
 562                                     const char *name,
 563                                     GLuint *program);
 564
 565 GLboolean
 566 _mesa_meta_alloc_texture(struct temp_texture *tex,
 567                          GLsizei width, GLsizei height, GLenum intFormat);
 568
 569 void
 570 _mesa_meta_setup_texture_coords(GLenum faceTarget,
 571                                 GLint slice,
 572                                 GLint width,
 573                                 GLint height,
 574                                 GLint depth,
 575                                 GLfloat coords0[4],
 576                                 GLfloat coords1[4],
 577                                 GLfloat coords2[4],
 578                                 GLfloat coords3[4]);
 579
 580 struct temp_texture *
 581 _mesa_meta_get_temp_texture(struct gl_context *ctx);
 582
 583 struct temp_texture *
 584 _mesa_meta_get_temp_depth_texture(struct gl_context *ctx);
 585
 586 void
 587 _mesa_meta_setup_vertex_objects(GLuint *VAO, GLuint *VBO,
 588                                 bool use_generic_attributes,
 589                                 unsigned vertex_size, unsigned texcoord_size,
 590                                 unsigned color_size);
 591
 592 void
 593 _mesa_meta_setup_ff_tnl_for_blit(GLuint *VAO, GLuint *VBO,
 594                                  unsigned texcoord_size);
 595
 596 void
 597 _mesa_meta_setup_drawpix_texture(struct gl_context *ctx,
 598                                  struct temp_texture *tex,
 599                                  GLboolean newTex,
 600                                  GLsizei width, GLsizei height,
 601                                  GLenum format, GLenum type,
 602                                  const GLvoid *pixels);
 603
 604 void
 605 _mesa_meta_setup_copypix_texture(struct gl_context *ctx,
 606                                  struct temp_texture *tex,
 607                                  GLint srcX, GLint srcY,
 608                                  GLsizei width, GLsizei height,
 609                                  GLenum intFormat,
 610                                  GLenum filter);
 611
 612 void
 613 _mesa_meta_setup_blit_shader(struct gl_context *ctx,
 614                              GLenum target,
 615                              struct blit_shader_table *table);
 616
 617 void
 618 _mesa_meta_glsl_blit_cleanup(struct blit_state *blit);
 619
 620 void
 621 _mesa_meta_blit_shader_table_cleanup(struct blit_shader_table *table);
 622
 623 void
 624 _mesa_meta_glsl_generate_mipmap_cleanup(struct gen_mipmap_state *mipmap);
 625
 626 void
 627 _mesa_meta_bind_fbo_image(GLenum target, GLenum attachment,
 628                           struct gl_texture_image *texImage, GLuint layer);
 629
 630 #endif /* META_H */