src/mesa/drivers/dri/i965/intel_extensions.c

   1 /*
   2  * Copyright 2003 VMware, Inc.
   3  * All Rights Reserved.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the
   7  * "Software"), to deal in the Software without restriction, including
   8  * without limitation the rights to use, copy, modify, merge, publish,
   9  * distribute, sublicense, and/or sell copies of the Software, and to
  10  * permit persons to whom the Software is furnished to do so, subject to
  11  * the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the
  14  * next paragraph) shall be included in all copies or substantial portions
  15  * of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  20  * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
  21  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  22  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  23  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24  */
  25
  26 #include "main/version.h"
  27
  28 #include "brw_context.h"
  29 #include "brw_defines.h"
  30 #include "intel_batchbuffer.h"
  31
  32 /**
  33  * Initializes potential list of extensions if ctx == NULL, or actually enables
  34  * extensions for a context.
  35  */
  36 void
  37 intelInitExtensions(struct gl_context *ctx)
  38 {
  39    struct brw_context *brw = brw_context(ctx);
  40    const struct gen_device_info *devinfo = &brw->screen->devinfo;
  41
  42    assert(devinfo->gen >= 4);
  43
  44    ctx->Extensions.ARB_arrays_of_arrays = true;
  45    ctx->Extensions.ARB_buffer_storage = true;
  46    ctx->Extensions.ARB_clear_texture = true;
  47    ctx->Extensions.ARB_clip_control = true;
  48    ctx->Extensions.ARB_copy_image = true;
  49    ctx->Extensions.ARB_depth_buffer_float = true;
  50    ctx->Extensions.ARB_depth_clamp = true;
  51    ctx->Extensions.ARB_depth_texture = true;
  52    ctx->Extensions.ARB_draw_elements_base_vertex = true;
  53    ctx->Extensions.ARB_draw_instanced = true;
  54    ctx->Extensions.ARB_ES2_compatibility = true;
  55    ctx->Extensions.ARB_explicit_attrib_location = true;
  56    ctx->Extensions.ARB_explicit_uniform_location = true;
  57    ctx->Extensions.ARB_fragment_coord_conventions = true;
  58    ctx->Extensions.ARB_fragment_program = true;
  59    ctx->Extensions.ARB_fragment_program_shadow = true;
  60    ctx->Extensions.ARB_fragment_shader = true;
  61    ctx->Extensions.ARB_framebuffer_object = true;
  62    ctx->Extensions.ARB_half_float_vertex = true;
  63    ctx->Extensions.ARB_instanced_arrays = true;
  64    ctx->Extensions.ARB_internalformat_query = true;
  65    ctx->Extensions.ARB_internalformat_query2 = true;
  66    ctx->Extensions.ARB_map_buffer_range = true;
  67    ctx->Extensions.ARB_occlusion_query = true;
  68    ctx->Extensions.ARB_occlusion_query2 = true;
  69    ctx->Extensions.ARB_point_sprite = true;
  70    ctx->Extensions.ARB_polygon_offset_clamp = true;
  71    ctx->Extensions.ARB_seamless_cube_map = true;
  72    ctx->Extensions.ARB_shader_bit_encoding = true;
  73    ctx->Extensions.ARB_shader_draw_parameters = true;
  74    ctx->Extensions.ARB_shader_group_vote = true;
  75    ctx->Extensions.ARB_shader_texture_lod = true;
  76    ctx->Extensions.ARB_shading_language_packing = true;
  77    ctx->Extensions.ARB_shadow = true;
  78    ctx->Extensions.ARB_sync = true;
  79    ctx->Extensions.ARB_texture_border_clamp = true;
  80    ctx->Extensions.ARB_texture_compression_rgtc = true;
  81    ctx->Extensions.ARB_texture_cube_map = true;
  82    ctx->Extensions.ARB_texture_env_combine = true;
  83    ctx->Extensions.ARB_texture_env_crossbar = true;
  84    ctx->Extensions.ARB_texture_env_dot3 = true;
  85    ctx->Extensions.ARB_texture_filter_anisotropic = true;
  86    ctx->Extensions.ARB_texture_float = true;
  87    ctx->Extensions.ARB_texture_mirror_clamp_to_edge = true;
  88    ctx->Extensions.ARB_texture_non_power_of_two = true;
  89    ctx->Extensions.ARB_texture_rg = true;
  90    ctx->Extensions.ARB_texture_rgb10_a2ui = true;
  91    ctx->Extensions.ARB_vertex_program = true;
  92    ctx->Extensions.ARB_vertex_shader = true;
  93    ctx->Extensions.ARB_vertex_type_2_10_10_10_rev = true;
  94    ctx->Extensions.ARB_vertex_type_10f_11f_11f_rev = true;
  95    ctx->Extensions.EXT_blend_color = true;
  96    ctx->Extensions.EXT_blend_equation_separate = true;
  97    ctx->Extensions.EXT_blend_func_separate = true;
  98    ctx->Extensions.EXT_blend_minmax = true;
  99    ctx->Extensions.EXT_draw_buffers2 = true;
 100    ctx->Extensions.EXT_float_blend = true;
 101    ctx->Extensions.EXT_framebuffer_sRGB = true;
 102    ctx->Extensions.EXT_gpu_program_parameters = true;
 103    ctx->Extensions.EXT_packed_float = true;
 104    ctx->Extensions.EXT_pixel_buffer_object = true;
 105    ctx->Extensions.EXT_point_parameters = true;
 106    ctx->Extensions.EXT_provoking_vertex = true;
 107    ctx->Extensions.EXT_render_snorm = true;
 108    ctx->Extensions.EXT_sRGB = true;
 109    ctx->Extensions.EXT_stencil_two_side = true;
 110    ctx->Extensions.EXT_texture_array = true;
 111    ctx->Extensions.EXT_texture_env_dot3 = true;
 112    ctx->Extensions.EXT_texture_filter_anisotropic = true;
 113    ctx->Extensions.EXT_texture_integer = true;
 114    ctx->Extensions.EXT_texture_shared_exponent = true;
 115    ctx->Extensions.EXT_texture_snorm = true;
 116    ctx->Extensions.EXT_texture_sRGB = true;
 117    ctx->Extensions.EXT_texture_sRGB_decode = true;
 118    ctx->Extensions.EXT_texture_sRGB_R8 = true;
 119    ctx->Extensions.EXT_texture_swizzle = true;
 120    ctx->Extensions.EXT_texture_type_2_10_10_10_REV = true;
 121    ctx->Extensions.EXT_vertex_array_bgra = true;
 122    ctx->Extensions.KHR_robustness = true;
 123    ctx->Extensions.AMD_seamless_cubemap_per_texture = true;
 124    ctx->Extensions.APPLE_object_purgeable = true;
 125    ctx->Extensions.ATI_texture_env_combine3 = true;
 126    ctx->Extensions.MESA_framebuffer_flip_y = true;
 127    ctx->Extensions.MESA_pack_invert = true;
 128    ctx->Extensions.NV_conditional_render = true;
 129    ctx->Extensions.NV_fog_distance = true;
 130    ctx->Extensions.NV_primitive_restart = true;
 131    ctx->Extensions.NV_texture_barrier = true;
 132    ctx->Extensions.NV_texture_env_combine4 = true;
 133    ctx->Extensions.NV_texture_rectangle = true;
 134    ctx->Extensions.TDFX_texture_compression_FXT1 = true;
 135    ctx->Extensions.OES_compressed_ETC1_RGB8_texture = true;
 136    ctx->Extensions.OES_draw_texture = true;
 137    ctx->Extensions.OES_EGL_image = true;
 138    ctx->Extensions.OES_EGL_image_external = true;
 139    ctx->Extensions.OES_standard_derivatives = true;
 140    ctx->Extensions.OES_texture_float = true;
 141    ctx->Extensions.OES_texture_float_linear = true;
 142    ctx->Extensions.OES_texture_half_float = true;
 143    ctx->Extensions.OES_texture_half_float_linear = true;
 144
 145    if (devinfo->gen >= 8)
 146       ctx->Const.GLSLVersion = 460;
 147    else if (devinfo->is_haswell && can_do_pipelined_register_writes(brw->screen))
 148       ctx->Const.GLSLVersion = 450;
 149    else if (devinfo->gen >= 7 && can_do_pipelined_register_writes(brw->screen))
 150       ctx->Const.GLSLVersion = 420;
 151    else if (devinfo->gen >= 6)
 152       ctx->Const.GLSLVersion = 330;
 153    else
 154       ctx->Const.GLSLVersion = 120;
 155
 156    if (devinfo->gen >= 6)
 157       ctx->Const.GLSLVersionCompat = 130;
 158    else
 159       ctx->Const.GLSLVersionCompat = 120;
 160
 161    _mesa_override_glsl_version(&ctx->Const);
 162
 163    ctx->Extensions.EXT_shader_integer_mix = ctx->Const.GLSLVersion >= 130;
 164    ctx->Extensions.MESA_shader_integer_functions = ctx->Const.GLSLVersion >= 130;
 165
 166    if (devinfo->is_g4x || devinfo->gen >= 5) {
 167       ctx->Extensions.EXT_shader_framebuffer_fetch_non_coherent = true;
 168       ctx->Extensions.KHR_blend_equation_advanced = true;
 169    }
 170
 171    if (devinfo->gen >= 5) {
 172       ctx->Extensions.ARB_texture_query_levels = ctx->Const.GLSLVersion >= 130;
 173       ctx->Extensions.ARB_texture_query_lod = true;
 174       ctx->Extensions.EXT_timer_query = true;
 175    }
 176
 177    if (devinfo->gen == 6)
 178       ctx->Extensions.ARB_transform_feedback2 = true;
 179
 180    if (devinfo->gen >= 6) {
 181       ctx->Extensions.ARB_blend_func_extended =
 182          !driQueryOptionb(&brw->optionCache, "disable_blend_func_extended");
 183       ctx->Extensions.ARB_conditional_render_inverted = true;
 184       ctx->Extensions.ARB_cull_distance = true;
 185       ctx->Extensions.ARB_draw_buffers_blend = true;
 186       if (ctx->API != API_OPENGL_COMPAT ||
 187           ctx->Const.AllowHigherCompatVersion)
 188          ctx->Extensions.ARB_enhanced_layouts = true;
 189       ctx->Extensions.ARB_ES3_compatibility = true;
 190       ctx->Extensions.ARB_fragment_layer_viewport = true;
 191       ctx->Extensions.ARB_pipeline_statistics_query = true;
 192       ctx->Extensions.ARB_sample_shading = true;
 193       ctx->Extensions.ARB_shading_language_420pack = true;
 194       if (ctx->API != API_OPENGL_COMPAT ||
 195           ctx->Const.AllowHigherCompatVersion) {
 196          ctx->Extensions.ARB_texture_buffer_object = true;
 197          ctx->Extensions.ARB_texture_buffer_object_rgb32 = true;
 198          ctx->Extensions.ARB_texture_buffer_range = true;
 199       }
 200       ctx->Extensions.ARB_texture_cube_map_array = true;
 201       ctx->Extensions.ARB_texture_gather = true;
 202       ctx->Extensions.ARB_texture_multisample = true;
 203       ctx->Extensions.ARB_uniform_buffer_object = true;
 204       ctx->Extensions.EXT_texture_shadow_lod = true;
 205
 206       if (ctx->API != API_OPENGL_COMPAT ||
 207           ctx->Const.AllowHigherCompatVersion)
 208          ctx->Extensions.AMD_vertex_shader_layer = true;
 209       ctx->Extensions.EXT_framebuffer_multisample = true;
 210       ctx->Extensions.EXT_framebuffer_multisample_blit_scaled = true;
 211       ctx->Extensions.EXT_transform_feedback = true;
 212       ctx->Extensions.ARB_transform_feedback_overflow_query = true;
 213       ctx->Extensions.OES_depth_texture_cube_map = true;
 214       ctx->Extensions.OES_sample_variables = true;
 215
 216       ctx->Extensions.ARB_timer_query = brw->screen->hw_has_timestamp;
 217       ctx->Extensions.EXT_disjoint_timer_query =
 218          ctx->Extensions.ARB_timer_query;
 219
 220       /* Only enable this in core profile because other parts of Mesa behave
 221        * slightly differently when the extension is enabled.
 222        */
 223       if (ctx->API == API_OPENGL_CORE) {
 224          ctx->Extensions.ARB_shader_viewport_layer_array = true;
 225          ctx->Extensions.ARB_viewport_array = true;
 226          ctx->Extensions.AMD_vertex_shader_viewport_index = true;
 227       }
 228    }
 229
 230    brw->predicate.supported = false;
 231
 232    if (devinfo->gen >= 7) {
 233       ctx->Extensions.ARB_conservative_depth = true;
 234       ctx->Extensions.ARB_derivative_control = true;
 235       ctx->Extensions.ARB_framebuffer_no_attachments = true;
 236       if (ctx->API != API_OPENGL_COMPAT ||
 237           ctx->Const.AllowHigherCompatVersion) {
 238          ctx->Extensions.ARB_gpu_shader5 = true;
 239          ctx->Extensions.ARB_gpu_shader_fp64 = true;
 240       }
 241       ctx->Extensions.ARB_shader_atomic_counters = true;
 242       ctx->Extensions.ARB_shader_atomic_counter_ops = true;
 243       ctx->Extensions.ARB_shader_clock = true;
 244       ctx->Extensions.ARB_shader_image_load_store = true;
 245       ctx->Extensions.ARB_shader_image_size = true;
 246       ctx->Extensions.ARB_shader_precision = true;
 247       ctx->Extensions.ARB_shader_texture_image_samples = true;
 248       if (ctx->API != API_OPENGL_COMPAT ||
 249           ctx->Const.AllowHigherCompatVersion)
 250          ctx->Extensions.ARB_tessellation_shader = true;
 251       ctx->Extensions.ARB_texture_compression_bptc = true;
 252       ctx->Extensions.ARB_texture_view = true;
 253       ctx->Extensions.ARB_shader_storage_buffer_object = true;
 254       ctx->Extensions.ARB_vertex_attrib_64bit = true;
 255       ctx->Extensions.EXT_shader_samples_identical = true;
 256       ctx->Extensions.OES_primitive_bounding_box = true;
 257       ctx->Extensions.OES_texture_buffer = true;
 258
 259       if (can_do_pipelined_register_writes(brw->screen)) {
 260          ctx->Extensions.ARB_draw_indirect = true;
 261          ctx->Extensions.ARB_transform_feedback2 = true;
 262          ctx->Extensions.ARB_transform_feedback3 = true;
 263          ctx->Extensions.ARB_transform_feedback_instanced = true;
 264
 265          if (can_do_compute_dispatch(brw->screen) &&
 266              ctx->Const.MaxComputeWorkGroupSize[0] >= 1024) {
 267             ctx->Extensions.ARB_compute_shader = true;
 268             ctx->Extensions.ARB_ES3_1_compatibility =
 269                devinfo->gen >= 8 || devinfo->is_haswell;
 270             ctx->Extensions.NV_compute_shader_derivatives = true;
 271          }
 272
 273          if (can_do_predicate_writes(brw->screen)) {
 274             brw->predicate.supported = true;
 275             ctx->Extensions.ARB_indirect_parameters = true;
 276          }
 277       }
 278
 279       ctx->Extensions.ARB_gl_spirv = true;
 280       ctx->Extensions.ARB_spirv_extensions = true;
 281    }
 282
 283    if (devinfo->gen >= 8 || devinfo->is_haswell) {
 284       ctx->Extensions.ARB_stencil_texturing = true;
 285       ctx->Extensions.ARB_texture_stencil8 = true;
 286       ctx->Extensions.OES_geometry_shader = true;
 287       ctx->Extensions.OES_texture_cube_map_array = true;
 288       ctx->Extensions.OES_viewport_array = true;
 289    }
 290
 291    if (devinfo->gen >= 8 || devinfo->is_haswell || devinfo->is_baytrail) {
 292       ctx->Extensions.ARB_robust_buffer_access_behavior = true;
 293    }
 294
 295    if (can_do_mi_math_and_lrr(brw->screen)) {
 296       ctx->Extensions.ARB_query_buffer_object = true;
 297    }
 298
 299    if (devinfo->gen >= 8 || devinfo->is_baytrail) {
 300       /* For now, we can't enable OES_texture_view on Gen 7 because of
 301        * some piglit failures coming from
 302        * piglit/tests/spec/arb_texture_view/rendering-formats.c that need
 303        * investigation.
 304        */
 305       ctx->Extensions.OES_texture_view = true;
 306    }
 307
 308    if (devinfo->gen >= 7) {
 309       /* We can safely enable OES_copy_image on Gen 7, since we emulate
 310        * the ETC2 support using the shadow_miptree to store the
 311        * compressed data.
 312        */
 313       ctx->Extensions.OES_copy_image = true;
 314    }
 315
 316    if (devinfo->gen >= 8) {
 317       ctx->Extensions.ARB_gpu_shader_int64 = true;
 318       /* requires ARB_gpu_shader_int64 */
 319       ctx->Extensions.ARB_shader_ballot = true;
 320       ctx->Extensions.ARB_ES3_2_compatibility = true;
 321    }
 322
 323    if (devinfo->gen >= 9) {
 324       ctx->Extensions.ANDROID_extension_pack_es31a = true;
 325       ctx->Extensions.AMD_depth_clamp_separate = true;
 326       ctx->Extensions.ARB_post_depth_coverage = true;
 327       ctx->Extensions.ARB_shader_stencil_export = true;
 328       ctx->Extensions.EXT_shader_framebuffer_fetch = true;
 329       ctx->Extensions.INTEL_conservative_rasterization = true;
 330       ctx->Extensions.INTEL_shader_atomic_float_minmax = true;
 331       ctx->Extensions.KHR_blend_equation_advanced_coherent = true;
 332       ctx->Extensions.KHR_texture_compression_astc_ldr = true;
 333       ctx->Extensions.KHR_texture_compression_astc_sliced_3d = true;
 334
 335       /*
 336        * From the Skylake PRM Vol. 7 (Memory Fence Message, page 221):
 337        *  "A memory fence message issued by a thread causes further messages
 338        *   issued by the thread to be blocked until all previous data port
 339        *   messages have completed, or the results can be globally observed from
 340        *   the point of view of other threads in the system."
 341        *
 342        * From the Haswell PRM Vol. 7 (Memory Fence, page 256):
 343        *  "A memory fence message issued by a thread causes further messages
 344        *   issued by the thread to be blocked until all previous messages issued
 345        *   by the thread to that data port (data cache or render cache) have
 346        *   been globally observed from the point of view of other threads in the
 347        *   system."
 348        *
 349        * Summarized: For ARB_fragment_shader_interlock to work, we need to
 350        * ensure memory access ordering for all messages to the dataport from
 351        * all threads. Memory fence messages prior to SKL only provide memory
 352        * access ordering for messages from the same thread, so we can only
 353        * support the feature from Gen9 onwards.
 354        *
 355        */
 356
 357       ctx->Extensions.ARB_fragment_shader_interlock = true;
 358    }
 359
 360    if (gen_device_info_is_9lp(devinfo))
 361       ctx->Extensions.KHR_texture_compression_astc_hdr = true;
 362
 363    if (devinfo->gen >= 6)
 364       ctx->Extensions.INTEL_performance_query = true;
 365
 366    if (ctx->API != API_OPENGL_COMPAT ||
 367        ctx->Const.AllowHigherCompatVersion)
 368       ctx->Extensions.ARB_base_instance = true;
 369    if (ctx->API != API_OPENGL_CORE)
 370       ctx->Extensions.ARB_color_buffer_float = true;
 371
 372    ctx->Extensions.EXT_texture_compression_s3tc = true;
 373    ctx->Extensions.EXT_texture_compression_s3tc_srgb = true;
 374    ctx->Extensions.ANGLE_texture_compression_dxt = true;
 375
 376    ctx->Extensions.EXT_demote_to_helper_invocation = true;
 377 }