src/mesa/main/glthread_marshal.h

   1 /*
   2  * Copyright © 2012 Intel Corporation
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21  * IN THE SOFTWARE.
  22  */
  23
  24 /** \file glthread_marshal.h
  25  *
  26  * Declarations of functions related to marshalling GL calls from a client
  27  * thread to a server thread.
  28  */
  29
  30 #ifndef MARSHAL_H
  31 #define MARSHAL_H
  32
  33 #include "main/glthread.h"
  34 #include "main/context.h"
  35 #include "main/macros.h"
  36 #include "marshal_generated.h"
  37
  38 struct marshal_cmd_base
  39 {
  40    /**
  41     * Type of command.  See enum marshal_dispatch_cmd_id.
  42     */
  43    uint16_t cmd_id;
  44
  45    /**
  46     * Size of command, in multiples of 4 bytes, including cmd_base.
  47     */
  48    uint16_t cmd_size;
  49 };
  50
  51 typedef void (*_mesa_unmarshal_func)(struct gl_context *ctx, const void *cmd);
  52 extern const _mesa_unmarshal_func _mesa_unmarshal_dispatch[NUM_DISPATCH_CMD];
  53
  54 static inline void *
  55 _mesa_glthread_allocate_command(struct gl_context *ctx,
  56                                 uint16_t cmd_id,
  57                                 int size)
  58 {
  59    struct glthread_state *glthread = &ctx->GLThread;
  60    struct glthread_batch *next = glthread->next_batch;
  61    struct marshal_cmd_base *cmd_base;
  62
  63    if (unlikely(next->used + size > MARSHAL_MAX_CMD_SIZE)) {
  64       _mesa_glthread_flush_batch(ctx);
  65       next = glthread->next_batch;
  66    }
  67
  68    const int aligned_size = align(size, 8);
  69    cmd_base = (struct marshal_cmd_base *)&next->buffer[next->used];
  70    next->used += aligned_size;
  71    cmd_base->cmd_id = cmd_id;
  72    cmd_base->cmd_size = aligned_size;
  73    return cmd_base;
  74 }
  75
  76 /**
  77  * Instead of conditionally handling marshaling immediate index data in draw
  78  * calls (deprecated and removed in GL core), we just disable threading.
  79  */
  80 static inline bool
  81 _mesa_glthread_has_non_vbo_vertices_or_indices(const struct gl_context *ctx)
  82 {
  83    const struct glthread_state *glthread = &ctx->GLThread;
  84    struct glthread_vao *vao = glthread->CurrentVAO;
  85
  86    return ctx->API != API_OPENGL_CORE &&
  87           (vao->CurrentElementBufferName == 0 ||
  88            (vao->UserPointerMask & vao->Enabled));
  89 }
  90
  91 static inline bool
  92 _mesa_glthread_has_non_vbo_vertices(const struct gl_context *ctx)
  93 {
  94    const struct glthread_state *glthread = &ctx->GLThread;
  95    const struct glthread_vao *vao = glthread->CurrentVAO;
  96
  97    return ctx->API != API_OPENGL_CORE &&
  98           (vao->UserPointerMask & vao->Enabled);
  99 }
 100
 101 static inline bool
 102 _mesa_glthread_has_non_vbo_vertices_or_indirect(const struct gl_context *ctx)
 103 {
 104    const struct glthread_state *glthread = &ctx->GLThread;
 105    const struct glthread_vao *vao = glthread->CurrentVAO;
 106
 107    return ctx->API != API_OPENGL_CORE &&
 108           (glthread->CurrentDrawIndirectBufferName == 0 ||
 109            (vao->UserPointerMask & vao->Enabled));
 110 }
 111
 112 static inline bool
 113 _mesa_glthread_has_non_vbo_vertices_or_indices_or_indirect(const struct gl_context *ctx)
 114 {
 115    const struct glthread_state *glthread = &ctx->GLThread;
 116    struct glthread_vao *vao = glthread->CurrentVAO;
 117
 118    return ctx->API != API_OPENGL_CORE &&
 119           (glthread->CurrentDrawIndirectBufferName == 0 ||
 120            vao->CurrentElementBufferName == 0 ||
 121            (vao->UserPointerMask & vao->Enabled));
 122 }
 123
 124
 125 struct _glapi_table *
 126 _mesa_create_marshal_table(const struct gl_context *ctx);
 127
 128 static inline unsigned
 129 _mesa_buffer_enum_to_count(GLenum buffer)
 130 {
 131    switch (buffer) {
 132    case GL_COLOR:
 133       return 4;
 134    case GL_DEPTH_STENCIL:
 135       return 2;
 136    case GL_STENCIL:
 137    case GL_DEPTH:
 138       return 1;
 139    default:
 140       return 0;
 141    }
 142 }
 143
 144 static inline unsigned
 145 _mesa_tex_param_enum_to_count(GLenum pname)
 146 {
 147    switch (pname) {
 148    case GL_TEXTURE_MIN_FILTER:
 149    case GL_TEXTURE_MAG_FILTER:
 150    case GL_TEXTURE_WRAP_S:
 151    case GL_TEXTURE_WRAP_T:
 152    case GL_TEXTURE_WRAP_R:
 153    case GL_TEXTURE_BASE_LEVEL:
 154    case GL_TEXTURE_MAX_LEVEL:
 155    case GL_GENERATE_MIPMAP_SGIS:
 156    case GL_TEXTURE_COMPARE_MODE_ARB:
 157    case GL_TEXTURE_COMPARE_FUNC_ARB:
 158    case GL_DEPTH_TEXTURE_MODE_ARB:
 159    case GL_DEPTH_STENCIL_TEXTURE_MODE:
 160    case GL_TEXTURE_SRGB_DECODE_EXT:
 161    case GL_TEXTURE_CUBE_MAP_SEAMLESS:
 162    case GL_TEXTURE_SWIZZLE_R:
 163    case GL_TEXTURE_SWIZZLE_G:
 164    case GL_TEXTURE_SWIZZLE_B:
 165    case GL_TEXTURE_SWIZZLE_A:
 166    case GL_TEXTURE_MIN_LOD:
 167    case GL_TEXTURE_MAX_LOD:
 168    case GL_TEXTURE_PRIORITY:
 169    case GL_TEXTURE_MAX_ANISOTROPY_EXT:
 170    case GL_TEXTURE_LOD_BIAS:
 171    case GL_TEXTURE_TILING_EXT:
 172       return 1;
 173    case GL_TEXTURE_CROP_RECT_OES:
 174    case GL_TEXTURE_SWIZZLE_RGBA:
 175    case GL_TEXTURE_BORDER_COLOR:
 176       return 4;
 177    default:
 178       return 0;
 179    }
 180 }
 181
 182 static inline unsigned
 183 _mesa_fog_enum_to_count(GLenum pname)
 184 {
 185    switch (pname) {
 186    case GL_FOG_MODE:
 187    case GL_FOG_DENSITY:
 188    case GL_FOG_START:
 189    case GL_FOG_END:
 190    case GL_FOG_INDEX:
 191    case GL_FOG_COORDINATE_SOURCE_EXT:
 192    case GL_FOG_DISTANCE_MODE_NV:
 193       return 1;
 194    case GL_FOG_COLOR:
 195       return 4;
 196    default:
 197       return 0;
 198    }
 199 }
 200
 201 static inline unsigned
 202 _mesa_light_enum_to_count(GLenum pname)
 203 {
 204    switch (pname) {
 205    case GL_AMBIENT:
 206    case GL_DIFFUSE:
 207    case GL_SPECULAR:
 208    case GL_POSITION:
 209       return 4;
 210    case GL_SPOT_DIRECTION:
 211       return 3;
 212    case GL_SPOT_EXPONENT:
 213    case GL_SPOT_CUTOFF:
 214    case GL_CONSTANT_ATTENUATION:
 215    case GL_LINEAR_ATTENUATION:
 216    case GL_QUADRATIC_ATTENUATION:
 217       return 1;
 218    default:
 219       return 0;
 220    }
 221 }
 222
 223 static inline unsigned
 224 _mesa_light_model_enum_to_count(GLenum pname)
 225 {
 226    switch (pname) {
 227    case GL_LIGHT_MODEL_AMBIENT:
 228       return 4;
 229    case GL_LIGHT_MODEL_LOCAL_VIEWER:
 230    case GL_LIGHT_MODEL_TWO_SIDE:
 231    case GL_LIGHT_MODEL_COLOR_CONTROL:
 232       return 1;
 233    default:
 234       return 0;
 235    }
 236 }
 237
 238 static inline unsigned
 239 _mesa_texenv_enum_to_count(GLenum pname)
 240 {
 241    switch (pname) {
 242    case GL_TEXTURE_ENV_MODE:
 243    case GL_COMBINE_RGB:
 244    case GL_COMBINE_ALPHA:
 245    case GL_SOURCE0_RGB:
 246    case GL_SOURCE1_RGB:
 247    case GL_SOURCE2_RGB:
 248    case GL_SOURCE3_RGB_NV:
 249    case GL_SOURCE0_ALPHA:
 250    case GL_SOURCE1_ALPHA:
 251    case GL_SOURCE2_ALPHA:
 252    case GL_SOURCE3_ALPHA_NV:
 253    case GL_OPERAND0_RGB:
 254    case GL_OPERAND1_RGB:
 255    case GL_OPERAND2_RGB:
 256    case GL_OPERAND3_RGB_NV:
 257    case GL_OPERAND0_ALPHA:
 258    case GL_OPERAND1_ALPHA:
 259    case GL_OPERAND2_ALPHA:
 260    case GL_OPERAND3_ALPHA_NV:
 261    case GL_RGB_SCALE:
 262    case GL_ALPHA_SCALE:
 263    case GL_TEXTURE_LOD_BIAS_EXT:
 264    case GL_COORD_REPLACE_NV:
 265       return 1;
 266    case GL_TEXTURE_ENV_COLOR:
 267       return 4;
 268    default:
 269       return 0;
 270    }
 271 }
 272
 273 static inline unsigned
 274 _mesa_texgen_enum_to_count(GLenum pname)
 275 {
 276    switch (pname) {
 277    case GL_TEXTURE_GEN_MODE:
 278       return 1;
 279    case GL_OBJECT_PLANE:
 280    case GL_EYE_PLANE:
 281       return 4;
 282    default:
 283       return 0;
 284    }
 285 }
 286
 287 static inline unsigned
 288 _mesa_material_enum_to_count(GLenum pname)
 289 {
 290    switch (pname) {
 291    case GL_EMISSION:
 292    case GL_AMBIENT:
 293    case GL_DIFFUSE:
 294    case GL_SPECULAR:
 295    case GL_AMBIENT_AND_DIFFUSE:
 296       return 4;
 297    case GL_COLOR_INDEXES:
 298       return 3;
 299    case GL_SHININESS:
 300       return 1;
 301    default:
 302       return 0;
 303    }
 304 }
 305
 306 static inline unsigned
 307 _mesa_point_param_enum_to_count(GLenum pname)
 308 {
 309    switch (pname) {
 310    case GL_DISTANCE_ATTENUATION_EXT:
 311       return 3;
 312    case GL_POINT_SIZE_MIN_EXT:
 313    case GL_POINT_SIZE_MAX_EXT:
 314    case GL_POINT_FADE_THRESHOLD_SIZE_EXT:
 315    case GL_POINT_SPRITE_R_MODE_NV:
 316    case GL_POINT_SPRITE_COORD_ORIGIN:
 317       return 1;
 318    default:
 319       return 0;
 320    }
 321 }
 322
 323 static inline unsigned
 324 _mesa_calllists_enum_to_count(GLenum type)
 325 {
 326    switch (type) {
 327    case GL_BYTE:
 328    case GL_UNSIGNED_BYTE:
 329       return 1;
 330    case GL_SHORT:
 331    case GL_UNSIGNED_SHORT:
 332    case GL_2_BYTES:
 333       return 2;
 334    case GL_3_BYTES:
 335       return 3;
 336    case GL_INT:
 337    case GL_UNSIGNED_INT:
 338    case GL_FLOAT:
 339    case GL_4_BYTES:
 340       return 4;
 341    default:
 342       return 0;
 343    }
 344 }
 345
 346 static inline unsigned
 347 _mesa_patch_param_enum_to_count(GLenum pname)
 348 {
 349    switch (pname) {
 350    case GL_PATCH_DEFAULT_OUTER_LEVEL:
 351       return 4;
 352    case GL_PATCH_DEFAULT_INNER_LEVEL:
 353       return 2;
 354    default:
 355       return 0;
 356    }
 357 }
 358
 359 static inline unsigned
 360 _mesa_memobj_enum_to_count(GLenum pname)
 361 {
 362    switch (pname) {
 363    case GL_DEDICATED_MEMORY_OBJECT_EXT:
 364       return 1;
 365    default:
 366       return 0;
 367    }
 368 }
 369
 370 static inline unsigned
 371 _mesa_semaphore_enum_to_count(GLenum pname)
 372 {
 373    switch (pname) {
 374    /* EXT_semaphore and EXT_semaphore_fd define no parameters */
 375    default:
 376       return 0;
 377    }
 378 }
 379
 380 static inline gl_vert_attrib
 381 _mesa_array_to_attrib(struct gl_context *ctx, GLenum array)
 382 {
 383    switch (array) {
 384    case GL_VERTEX_ARRAY:
 385       return VERT_ATTRIB_POS;
 386    case GL_NORMAL_ARRAY:
 387       return VERT_ATTRIB_NORMAL;
 388    case GL_COLOR_ARRAY:
 389       return VERT_ATTRIB_COLOR0;
 390    case GL_INDEX_ARRAY:
 391       return VERT_ATTRIB_COLOR_INDEX;
 392    case GL_TEXTURE_COORD_ARRAY:
 393       return VERT_ATTRIB_TEX(ctx->GLThread.ClientActiveTexture);
 394    case GL_EDGE_FLAG_ARRAY:
 395       return VERT_ATTRIB_EDGEFLAG;
 396    case GL_FOG_COORDINATE_ARRAY:
 397       return VERT_ATTRIB_FOG;
 398    case GL_SECONDARY_COLOR_ARRAY:
 399       return VERT_ATTRIB_COLOR1;
 400    case GL_POINT_SIZE_ARRAY_OES:
 401       return VERT_ATTRIB_POINT_SIZE;
 402    default:
 403       if (array >= GL_TEXTURE0 && array <= GL_TEXTURE7)
 404          return VERT_ATTRIB_TEX(array - GL_TEXTURE0);
 405       return VERT_ATTRIB_MAX;
 406    }
 407 }
 408
 409 #endif /* MARSHAL_H */