src/mesa/main/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 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->batches[glthread->next];
  61    struct marshal_cmd_base *cmd_base;
  62    const int aligned_size = ALIGN(size, 8);
  63
  64    if (unlikely(next->used + size > MARSHAL_MAX_CMD_SIZE)) {
  65       _mesa_glthread_flush_batch(ctx);
  66       next = &glthread->batches[glthread->next];
  67    }
  68
  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_is_non_vbo_draw_elements(const struct gl_context *ctx)
  82 {
  83    struct glthread_state *glthread = ctx->GLThread;
  84
  85    return ctx->API != API_OPENGL_CORE &&
  86           (glthread->CurrentVAO->IndexBufferIsUserPointer ||
  87            glthread->CurrentVAO->HasUserPointer);
  88 }
  89
  90 static inline bool
  91 _mesa_glthread_is_non_vbo_draw_arrays(const struct gl_context *ctx)
  92 {
  93    struct glthread_state *glthread = ctx->GLThread;
  94
  95    return ctx->API != API_OPENGL_CORE && glthread->CurrentVAO->HasUserPointer;
  96 }
  97
  98 static inline bool
  99 _mesa_glthread_is_non_vbo_draw_arrays_indirect(const struct gl_context *ctx)
 100 {
 101    struct glthread_state *glthread = ctx->GLThread;
 102
 103    return ctx->API != API_OPENGL_CORE &&
 104           (!glthread->draw_indirect_buffer_is_vbo ||
 105            glthread->CurrentVAO->HasUserPointer );
 106 }
 107
 108 static inline bool
 109 _mesa_glthread_is_non_vbo_draw_elements_indirect(const struct gl_context *ctx)
 110 {
 111    struct glthread_state *glthread = ctx->GLThread;
 112
 113    return ctx->API != API_OPENGL_CORE &&
 114           (!glthread->draw_indirect_buffer_is_vbo ||
 115            glthread->CurrentVAO->IndexBufferIsUserPointer ||
 116            glthread->CurrentVAO->HasUserPointer);
 117 }
 118
 119
 120 struct _glapi_table *
 121 _mesa_create_marshal_table(const struct gl_context *ctx);
 122
 123 struct marshal_cmd_ShaderSource;
 124 struct marshal_cmd_BufferData;
 125 struct marshal_cmd_BufferSubData;
 126
 127 void GLAPIENTRY
 128 _mesa_marshal_ShaderSource(GLuint shader, GLsizei count,
 129                            const GLchar * const *string, const GLint *length);
 130
 131 void
 132 _mesa_unmarshal_ShaderSource(struct gl_context *ctx,
 133                              const struct marshal_cmd_ShaderSource *cmd);
 134
 135 void
 136 _mesa_glthread_BindBuffer(struct gl_context *ctx, GLenum target, GLuint buffer);
 137
 138 void
 139 _mesa_unmarshal_BufferData(struct gl_context *ctx,
 140                            const struct marshal_cmd_BufferData *cmd);
 141
 142 void
 143 _mesa_unmarshal_NamedBufferData(struct gl_context *ctx,
 144                                 const struct marshal_cmd_BufferData *cmd);
 145
 146 void
 147 _mesa_unmarshal_NamedBufferDataEXT(struct gl_context *ctx,
 148                                    const struct marshal_cmd_BufferData *cmd);
 149
 150 void GLAPIENTRY
 151 _mesa_marshal_BufferData(GLenum target, GLsizeiptr size, const GLvoid * data,
 152                          GLenum usage);
 153
 154 void GLAPIENTRY
 155 _mesa_marshal_NamedBufferData(GLuint buffer, GLsizeiptr size,
 156                               const GLvoid * data, GLenum usage);
 157
 158 void GLAPIENTRY
 159 _mesa_marshal_NamedBufferDataEXT(GLuint buffer, GLsizeiptr size,
 160                                  const GLvoid *data, GLenum usage);
 161
 162 void
 163 _mesa_unmarshal_BufferSubData(struct gl_context *ctx,
 164                               const struct marshal_cmd_BufferSubData *cmd);
 165
 166 void
 167 _mesa_unmarshal_NamedBufferSubData(struct gl_context *ctx,
 168                                    const struct marshal_cmd_BufferSubData *cmd);
 169
 170 void
 171 _mesa_unmarshal_NamedBufferSubDataEXT(struct gl_context *ctx,
 172                                       const struct marshal_cmd_BufferSubData *cmd);
 173
 174 void GLAPIENTRY
 175 _mesa_marshal_BufferSubData(GLenum target, GLintptr offset, GLsizeiptr size,
 176                             const GLvoid * data);
 177
 178 void GLAPIENTRY
 179 _mesa_marshal_NamedBufferSubData(GLuint buffer, GLintptr offset, GLsizeiptr size,
 180                                  const GLvoid * data);
 181
 182 void GLAPIENTRY
 183 _mesa_marshal_NamedBufferSubDataEXT(GLuint buffer, GLintptr offset,
 184                                     GLsizeiptr size, const GLvoid * data);
 185
 186 static inline unsigned
 187 _mesa_buffer_enum_to_count(GLenum buffer)
 188 {
 189    switch (buffer) {
 190    case GL_COLOR:
 191       return 4;
 192    case GL_DEPTH_STENCIL:
 193       return 2;
 194    case GL_STENCIL:
 195    case GL_DEPTH:
 196       return 1;
 197    default:
 198       return 0;
 199    }
 200 }
 201
 202 static inline unsigned
 203 _mesa_tex_param_enum_to_count(GLenum pname)
 204 {
 205    switch (pname) {
 206    case GL_TEXTURE_MIN_FILTER:
 207    case GL_TEXTURE_MAG_FILTER:
 208    case GL_TEXTURE_WRAP_S:
 209    case GL_TEXTURE_WRAP_T:
 210    case GL_TEXTURE_WRAP_R:
 211    case GL_TEXTURE_BASE_LEVEL:
 212    case GL_TEXTURE_MAX_LEVEL:
 213    case GL_GENERATE_MIPMAP_SGIS:
 214    case GL_TEXTURE_COMPARE_MODE_ARB:
 215    case GL_TEXTURE_COMPARE_FUNC_ARB:
 216    case GL_DEPTH_TEXTURE_MODE_ARB:
 217    case GL_DEPTH_STENCIL_TEXTURE_MODE:
 218    case GL_TEXTURE_SRGB_DECODE_EXT:
 219    case GL_TEXTURE_CUBE_MAP_SEAMLESS:
 220    case GL_TEXTURE_SWIZZLE_R:
 221    case GL_TEXTURE_SWIZZLE_G:
 222    case GL_TEXTURE_SWIZZLE_B:
 223    case GL_TEXTURE_SWIZZLE_A:
 224    case GL_TEXTURE_MIN_LOD:
 225    case GL_TEXTURE_MAX_LOD:
 226    case GL_TEXTURE_PRIORITY:
 227    case GL_TEXTURE_MAX_ANISOTROPY_EXT:
 228    case GL_TEXTURE_LOD_BIAS:
 229    case GL_TEXTURE_TILING_EXT:
 230       return 1;
 231    case GL_TEXTURE_CROP_RECT_OES:
 232    case GL_TEXTURE_SWIZZLE_RGBA:
 233    case GL_TEXTURE_BORDER_COLOR:
 234       return 4;
 235    default:
 236       return 0;
 237    }
 238 }
 239
 240 static inline unsigned
 241 _mesa_fog_enum_to_count(GLenum pname)
 242 {
 243    switch (pname) {
 244    case GL_FOG_MODE:
 245    case GL_FOG_DENSITY:
 246    case GL_FOG_START:
 247    case GL_FOG_END:
 248    case GL_FOG_INDEX:
 249    case GL_FOG_COORDINATE_SOURCE_EXT:
 250    case GL_FOG_DISTANCE_MODE_NV:
 251       return 1;
 252    case GL_FOG_COLOR:
 253       return 4;
 254    default:
 255       return 0;
 256    }
 257 }
 258
 259 static inline unsigned
 260 _mesa_light_enum_to_count(GLenum pname)
 261 {
 262    switch (pname) {
 263    case GL_AMBIENT:
 264    case GL_DIFFUSE:
 265    case GL_SPECULAR:
 266    case GL_POSITION:
 267       return 4;
 268    case GL_SPOT_DIRECTION:
 269       return 3;
 270    case GL_SPOT_EXPONENT:
 271    case GL_SPOT_CUTOFF:
 272    case GL_CONSTANT_ATTENUATION:
 273    case GL_LINEAR_ATTENUATION:
 274    case GL_QUADRATIC_ATTENUATION:
 275       return 1;
 276    default:
 277       return 0;
 278    }
 279 }
 280
 281 static inline unsigned
 282 _mesa_light_model_enum_to_count(GLenum pname)
 283 {
 284    switch (pname) {
 285    case GL_LIGHT_MODEL_AMBIENT:
 286       return 4;
 287    case GL_LIGHT_MODEL_LOCAL_VIEWER:
 288    case GL_LIGHT_MODEL_TWO_SIDE:
 289    case GL_LIGHT_MODEL_COLOR_CONTROL:
 290       return 1;
 291    default:
 292       return 0;
 293    }
 294 }
 295
 296 static inline unsigned
 297 _mesa_texenv_enum_to_count(GLenum pname)
 298 {
 299    switch (pname) {
 300    case GL_TEXTURE_ENV_MODE:
 301    case GL_COMBINE_RGB:
 302    case GL_COMBINE_ALPHA:
 303    case GL_SOURCE0_RGB:
 304    case GL_SOURCE1_RGB:
 305    case GL_SOURCE2_RGB:
 306    case GL_SOURCE3_RGB_NV:
 307    case GL_SOURCE0_ALPHA:
 308    case GL_SOURCE1_ALPHA:
 309    case GL_SOURCE2_ALPHA:
 310    case GL_SOURCE3_ALPHA_NV:
 311    case GL_OPERAND0_RGB:
 312    case GL_OPERAND1_RGB:
 313    case GL_OPERAND2_RGB:
 314    case GL_OPERAND3_RGB_NV:
 315    case GL_OPERAND0_ALPHA:
 316    case GL_OPERAND1_ALPHA:
 317    case GL_OPERAND2_ALPHA:
 318    case GL_OPERAND3_ALPHA_NV:
 319    case GL_RGB_SCALE:
 320    case GL_ALPHA_SCALE:
 321    case GL_TEXTURE_LOD_BIAS_EXT:
 322    case GL_COORD_REPLACE_NV:
 323       return 1;
 324    case GL_TEXTURE_ENV_COLOR:
 325       return 4;
 326    default:
 327       return 0;
 328    }
 329 }
 330
 331 static inline unsigned
 332 _mesa_texgen_enum_to_count(GLenum pname)
 333 {
 334    switch (pname) {
 335    case GL_TEXTURE_GEN_MODE:
 336       return 1;
 337    case GL_OBJECT_PLANE:
 338    case GL_EYE_PLANE:
 339       return 4;
 340    default:
 341       return 0;
 342    }
 343 }
 344
 345 static inline unsigned
 346 _mesa_material_enum_to_count(GLenum pname)
 347 {
 348    switch (pname) {
 349    case GL_EMISSION:
 350    case GL_AMBIENT:
 351    case GL_DIFFUSE:
 352    case GL_SPECULAR:
 353    case GL_AMBIENT_AND_DIFFUSE:
 354       return 4;
 355    case GL_COLOR_INDEXES:
 356       return 3;
 357    case GL_SHININESS:
 358       return 1;
 359    default:
 360       return 0;
 361    }
 362 }
 363
 364 static inline unsigned
 365 _mesa_point_param_enum_to_count(GLenum pname)
 366 {
 367    switch (pname) {
 368    case GL_DISTANCE_ATTENUATION_EXT:
 369       return 3;
 370    case GL_POINT_SIZE_MIN_EXT:
 371    case GL_POINT_SIZE_MAX_EXT:
 372    case GL_POINT_FADE_THRESHOLD_SIZE_EXT:
 373    case GL_POINT_SPRITE_R_MODE_NV:
 374    case GL_POINT_SPRITE_COORD_ORIGIN:
 375       return 1;
 376    default:
 377       return 0;
 378    }
 379 }
 380
 381 static inline unsigned
 382 _mesa_calllists_enum_to_count(GLenum type)
 383 {
 384    switch (type) {
 385    case GL_BYTE:
 386    case GL_UNSIGNED_BYTE:
 387       return 1;
 388    case GL_SHORT:
 389    case GL_UNSIGNED_SHORT:
 390    case GL_2_BYTES:
 391       return 2;
 392    case GL_3_BYTES:
 393       return 3;
 394    case GL_INT:
 395    case GL_UNSIGNED_INT:
 396    case GL_FLOAT:
 397    case GL_4_BYTES:
 398       return 4;
 399    default:
 400       return 0;
 401    }
 402 }
 403
 404 static inline unsigned
 405 _mesa_patch_param_enum_to_count(GLenum pname)
 406 {
 407    switch (pname) {
 408    case GL_PATCH_DEFAULT_OUTER_LEVEL:
 409       return 4;
 410    case GL_PATCH_DEFAULT_INNER_LEVEL:
 411       return 2;
 412    default:
 413       return 0;
 414    }
 415 }
 416
 417 static inline unsigned
 418 _mesa_memobj_enum_to_count(GLenum pname)
 419 {
 420    switch (pname) {
 421    case GL_DEDICATED_MEMORY_OBJECT_EXT:
 422       return 1;
 423    default:
 424       return 0;
 425    }
 426 }
 427
 428 static inline unsigned
 429 _mesa_semaphore_enum_to_count(GLenum pname)
 430 {
 431    switch (pname) {
 432    /* EXT_semaphore and EXT_semaphore_fd define no parameters */
 433    default:
 434       return 0;
 435    }
 436 }
 437
 438 #endif /* MARSHAL_H */