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_vertex_program *VertexProgram;
 125    GLboolean FragmentProgramEnabled;
 126    struct gl_fragment_program *FragmentProgram;
 127    GLboolean ATIFragmentShaderEnabled;
 128    struct gl_shader_program *Shader[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    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    struct gl_buffer_object *buf_obj;
 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    struct gl_sampler_object *samp_obj;
 314    struct gl_sampler_object *samp_obj_save;
 315    GLuint stencilSamplingSave;
 316    GLuint tempTex;
 317 };
 318
 319
 320 /**
 321  * State for glClear()
 322  */
 323 struct clear_state
 324 {
 325    GLuint VAO;
 326    struct gl_buffer_object *buf_obj;
 327    GLuint ShaderProg;
 328    GLuint IntegerShaderProg;
 329 };
 330
 331
 332 /**
 333  * State for glCopyPixels()
 334  */
 335 struct copypix_state
 336 {
 337    GLuint VAO;
 338    struct gl_buffer_object *buf_obj;
 339 };
 340
 341
 342 /**
 343  * State for glDrawPixels()
 344  */
 345 struct drawpix_state
 346 {
 347    GLuint VAO;
 348    struct gl_buffer_object *buf_obj;
 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    struct gl_buffer_object *buf_obj;
 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    struct gl_buffer_object *buf_obj;
 372    struct gl_framebuffer *fb;
 373    struct gl_sampler_object *samp_obj;
 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    struct gl_renderbuffer *rb;
 385    struct gl_framebuffer *fb;
 386    GLint Width, Height;
 387 };
 388
 389 /**
 390  * State for texture decompression
 391  */
 392 struct decompress_state
 393 {
 394    GLuint VAO;
 395    struct decompress_fbo_state byteFBO, floatFBO;
 396    struct gl_buffer_object *buf_obj;
 397    struct gl_sampler_object *samp_obj;
 398
 399    struct blit_shader_table shaders;
 400 };
 401
 402 /**
 403  * State for glDrawTex()
 404  */
 405 struct drawtex_state
 406 {
 407    GLuint VAO;
 408    struct gl_buffer_object *buf_obj;
 409 };
 410
 411 #define MAX_META_OPS_DEPTH      8
 412 /**
 413  * All per-context meta state.
 414  */
 415 struct gl_meta_state
 416 {
 417    /** Stack of state saved during meta-ops */
 418    struct save_state Save[MAX_META_OPS_DEPTH];
 419    /** Save stack depth */
 420    GLuint SaveStackDepth;
 421
 422    struct temp_texture TempTex;
 423
 424    struct blit_state Blit;    /**< For _mesa_meta_BlitFramebuffer() */
 425    struct clear_state Clear;  /**< For _mesa_meta_Clear() */
 426    struct copypix_state CopyPix;  /**< For _mesa_meta_CopyPixels() */
 427    struct drawpix_state DrawPix;  /**< For _mesa_meta_DrawPixels() */
 428    struct bitmap_state Bitmap;    /**< For _mesa_meta_Bitmap() */
 429    struct gen_mipmap_state Mipmap;    /**< For _mesa_meta_GenerateMipmap() */
 430    struct decompress_state Decompress;  /**< For texture decompression */
 431    struct drawtex_state DrawTex;  /**< For _mesa_meta_DrawTex() */
 432 };
 433
 434 struct vertex {
 435    GLfloat x, y, z, tex[4];
 436    GLfloat r, g, b, a;
 437 };
 438
 439 extern void
 440 _mesa_meta_init(struct gl_context *ctx);
 441
 442 extern void
 443 _mesa_meta_free(struct gl_context *ctx);
 444
 445 extern void
 446 _mesa_meta_begin(struct gl_context *ctx, GLbitfield state);
 447
 448 extern void
 449 _mesa_meta_end(struct gl_context *ctx);
 450
 451 static inline bool
 452 _mesa_meta_in_progress(struct gl_context *ctx)
 453 {
 454    return ctx->Meta->SaveStackDepth != 0;
 455 }
 456
 457 extern void
 458 _mesa_meta_fb_tex_blit_begin(struct gl_context *ctx,
 459                              struct fb_tex_blit_state *blit);
 460
 461 extern void
 462 _mesa_meta_fb_tex_blit_end(struct gl_context *ctx, GLenum target,
 463                            struct fb_tex_blit_state *blit);
 464
 465 extern GLboolean
 466 _mesa_meta_bind_rb_as_tex_image(struct gl_context *ctx,
 467                                 struct gl_renderbuffer *rb,
 468                                 GLuint *tex,
 469                                 struct gl_texture_object **texObj,
 470                                 GLenum *target);
 471
 472 struct gl_sampler_object *
 473 _mesa_meta_setup_sampler(struct gl_context *ctx,
 474                          struct gl_texture_object *texObj,
 475                          GLenum target, GLenum filter, GLuint srcLevel);
 476
 477 extern GLbitfield
 478 _mesa_meta_BlitFramebuffer(struct gl_context *ctx,
 479                            const struct gl_framebuffer *readFb,
 480                            const struct gl_framebuffer *drawFb,
 481                            GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
 482                            GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
 483                            GLbitfield mask, GLenum filter);
 484
 485 extern void
 486 _mesa_meta_and_swrast_BlitFramebuffer(struct gl_context *ctx,
 487                                       struct gl_framebuffer *readFb,
 488                                       struct gl_framebuffer *drawFb,
 489                                       GLint srcX0, GLint srcY0,
 490                                       GLint srcX1, GLint srcY1,
 491                                       GLint dstX0, GLint dstY0,
 492                                       GLint dstX1, GLint dstY1,
 493                                       GLbitfield mask, GLenum filter);
 494
 495 bool
 496 _mesa_meta_CopyImageSubData_uncompressed(struct gl_context *ctx,
 497                                          struct gl_texture_image *src_tex_image,
 498                                          struct gl_renderbuffer *src_renderbuffer,
 499                                          int src_x, int src_y, int src_z,
 500                                          struct gl_texture_image *dst_tex_image,
 501                                          struct gl_renderbuffer *dst_renderbuffer,
 502                                          int dst_x, int dst_y, int dst_z,
 503                                          int src_width, int src_height);
 504
 505 extern void
 506 _mesa_meta_Clear(struct gl_context *ctx, GLbitfield buffers);
 507
 508 extern void
 509 _mesa_meta_glsl_Clear(struct gl_context *ctx, GLbitfield buffers);
 510
 511 extern void
 512 _mesa_meta_CopyPixels(struct gl_context *ctx, GLint srcx, GLint srcy,
 513                       GLsizei width, GLsizei height,
 514                       GLint dstx, GLint dsty, GLenum type);
 515
 516 extern void
 517 _mesa_meta_DrawPixels(struct gl_context *ctx,
 518                       GLint x, GLint y, GLsizei width, GLsizei height,
 519                       GLenum format, GLenum type,
 520                       const struct gl_pixelstore_attrib *unpack,
 521                       const GLvoid *pixels);
 522
 523 extern void
 524 _mesa_meta_Bitmap(struct gl_context *ctx,
 525                   GLint x, GLint y, GLsizei width, GLsizei height,
 526                   const struct gl_pixelstore_attrib *unpack,
 527                   const GLubyte *bitmap);
 528
 529 extern void
 530 _mesa_meta_GenerateMipmap(struct gl_context *ctx, GLenum target,
 531                           struct gl_texture_object *texObj);
 532
 533 extern bool
 534 _mesa_meta_pbo_TexSubImage(struct gl_context *ctx, GLuint dims,
 535                            struct gl_texture_image *tex_image,
 536                            int xoffset, int yoffset, int zoffset,
 537                            int width, int height, int depth,
 538                            GLenum format, GLenum type, const void *pixels,
 539                            bool allocate_storage, bool create_pbo,
 540                            const struct gl_pixelstore_attrib *packing);
 541
 542 extern bool
 543 _mesa_meta_pbo_GetTexSubImage(struct gl_context *ctx, GLuint dims,
 544                               struct gl_texture_image *tex_image,
 545                               int xoffset, int yoffset, int zoffset,
 546                               int width, int height, int depth,
 547                               GLenum format, GLenum type, const void *pixels,
 548                               const struct gl_pixelstore_attrib *packing);
 549
 550 extern void
 551 _mesa_meta_CopyTexSubImage(struct gl_context *ctx, GLuint dims,
 552                            struct gl_texture_image *texImage,
 553                            GLint xoffset, GLint yoffset, GLint slice,
 554                            struct gl_renderbuffer *rb,
 555                            GLint x, GLint y,
 556                            GLsizei width, GLsizei height);
 557
 558 extern void
 559 _mesa_meta_ClearTexSubImage(struct gl_context *ctx,
 560                             struct gl_texture_image *texImage,
 561                             GLint xoffset, GLint yoffset, GLint zoffset,
 562                             GLsizei width, GLsizei height, GLsizei depth,
 563                             const GLvoid *clearValue);
 564
 565 extern void
 566 _mesa_meta_GetTexSubImage(struct gl_context *ctx,
 567                           GLint xoffset, GLint yoffset, GLint zoffset,
 568                           GLsizei width, GLsizei height, GLsizei depth,
 569                           GLenum format, GLenum type, GLvoid *pixels,
 570                           struct gl_texture_image *texImage);
 571
 572 extern void
 573 _mesa_meta_DrawTex(struct gl_context *ctx, GLfloat x, GLfloat y, GLfloat z,
 574                    GLfloat width, GLfloat height);
 575
 576 /* meta-internal functions */
 577 void
 578 _mesa_meta_drawbuffers_from_bitfield(GLbitfield bits);
 579
 580 GLuint
 581 _mesa_meta_compile_shader_with_debug(struct gl_context *ctx, GLenum target,
 582                                      const GLcharARB *source);
 583
 584
 585 GLuint
 586 _mesa_meta_link_program_with_debug(struct gl_context *ctx, GLuint program);
 587
 588 void
 589 _mesa_meta_compile_and_link_program(struct gl_context *ctx,
 590                                     const char *vs_source,
 591                                     const char *fs_source,
 592                                     const char *name,
 593                                     GLuint *program);
 594
 595 GLboolean
 596 _mesa_meta_alloc_texture(struct temp_texture *tex,
 597                          GLsizei width, GLsizei height, GLenum intFormat);
 598
 599 void
 600 _mesa_meta_setup_texture_coords(GLenum faceTarget,
 601                                 GLint slice,
 602                                 GLint xoffset,
 603                                 GLint yoffset,
 604                                 GLint width,
 605                                 GLint height,
 606                                 GLint total_width,
 607                                 GLint total_height,
 608                                 GLint total_depth,
 609                                 GLfloat coords0[4],
 610                                 GLfloat coords1[4],
 611                                 GLfloat coords2[4],
 612                                 GLfloat coords3[4]);
 613
 614 struct temp_texture *
 615 _mesa_meta_get_temp_texture(struct gl_context *ctx);
 616
 617 struct temp_texture *
 618 _mesa_meta_get_temp_depth_texture(struct gl_context *ctx);
 619
 620 void
 621 _mesa_meta_setup_vertex_objects(struct gl_context *ctx,
 622                                 GLuint *VAO, struct gl_buffer_object **buf_obj,
 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(struct gl_context *ctx,
 629                                  GLuint *VAO, struct gl_buffer_object **buf_obj,
 630                                  unsigned texcoord_size);
 631
 632 void
 633 _mesa_meta_setup_drawpix_texture(struct gl_context *ctx,
 634                                  struct temp_texture *tex,
 635                                  GLboolean newTex,
 636                                  GLsizei width, GLsizei height,
 637                                  GLenum format, GLenum type,
 638                                  const GLvoid *pixels);
 639
 640 void
 641 _mesa_meta_setup_copypix_texture(struct gl_context *ctx,
 642                                  struct temp_texture *tex,
 643                                  GLint srcX, GLint srcY,
 644                                  GLsizei width, GLsizei height,
 645                                  GLenum intFormat,
 646                                  GLenum filter);
 647
 648 void
 649 _mesa_meta_setup_blit_shader(struct gl_context *ctx,
 650                              GLenum target,
 651                              bool do_depth,
 652                              struct blit_shader_table *table);
 653
 654 void
 655 _mesa_meta_glsl_blit_cleanup(struct gl_context *ctx, struct blit_state *blit);
 656
 657 void
 658 _mesa_meta_blit_shader_table_cleanup(struct blit_shader_table *table);
 659
 660 void
 661 _mesa_meta_glsl_generate_mipmap_cleanup(struct gl_context *ctx,
 662                                         struct gen_mipmap_state *mipmap);
 663
 664 void
 665 _mesa_meta_framebuffer_texture_image(struct gl_context *ctx,
 666                                      struct gl_framebuffer *fb,
 667                                      GLenum attachment,
 668                                      struct gl_texture_image *texImage,
 669                                      GLuint layer);
 670
 671 #endif /* META_H */