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 */
36void
37intelInitExtensions(struct gl_context *ctx)
38{
39   struct brw_context *brw = brw_context(ctx);
40
41   assert(brw->gen >= 4);
42
43   ctx->Extensions.ARB_arrays_of_arrays = true;
44   ctx->Extensions.ARB_buffer_storage = true;
45   ctx->Extensions.ARB_clear_texture = true;
46   ctx->Extensions.ARB_clip_control = true;
47   ctx->Extensions.ARB_copy_image = true;
48   ctx->Extensions.ARB_depth_buffer_float = true;
49   ctx->Extensions.ARB_depth_clamp = true;
50   ctx->Extensions.ARB_depth_texture = true;
51   ctx->Extensions.ARB_draw_elements_base_vertex = true;
52   ctx->Extensions.ARB_draw_instanced = true;
53   ctx->Extensions.ARB_ES2_compatibility = true;
54   ctx->Extensions.ARB_explicit_attrib_location = true;
55   ctx->Extensions.ARB_explicit_uniform_location = true;
56   ctx->Extensions.ARB_fragment_coord_conventions = true;
57   ctx->Extensions.ARB_fragment_program = true;
58   ctx->Extensions.ARB_fragment_program_shadow = true;
59   ctx->Extensions.ARB_fragment_shader = true;
60   ctx->Extensions.ARB_framebuffer_object = true;
61   ctx->Extensions.ARB_half_float_vertex = true;
62   ctx->Extensions.ARB_instanced_arrays = true;
63   ctx->Extensions.ARB_internalformat_query = true;
64   ctx->Extensions.ARB_internalformat_query2 = true;
65   ctx->Extensions.ARB_map_buffer_range = true;
66   ctx->Extensions.ARB_occlusion_query = true;
67   ctx->Extensions.ARB_occlusion_query2 = true;
68   ctx->Extensions.ARB_pipeline_statistics_query = true;
69   ctx->Extensions.ARB_point_sprite = true;
70   ctx->Extensions.ARB_seamless_cube_map = true;
71   ctx->Extensions.ARB_shader_bit_encoding = true;
72   ctx->Extensions.ARB_shader_draw_parameters = true;
73   ctx->Extensions.ARB_shader_texture_lod = true;
74   ctx->Extensions.ARB_shading_language_packing = true;
75   ctx->Extensions.ARB_shadow = true;
76   ctx->Extensions.ARB_sync = true;
77   ctx->Extensions.ARB_texture_border_clamp = true;
78   ctx->Extensions.ARB_texture_compression_rgtc = true;
79   ctx->Extensions.ARB_texture_cube_map = true;
80   ctx->Extensions.ARB_texture_env_combine = true;
81   ctx->Extensions.ARB_texture_env_crossbar = true;
82   ctx->Extensions.ARB_texture_env_dot3 = true;
83   ctx->Extensions.ARB_texture_float = true;
84   ctx->Extensions.ARB_texture_mirror_clamp_to_edge = true;
85   ctx->Extensions.ARB_texture_non_power_of_two = true;
86   ctx->Extensions.ARB_texture_rg = true;
87   ctx->Extensions.ARB_texture_rgb10_a2ui = true;
88   ctx->Extensions.ARB_vertex_program = true;
89   ctx->Extensions.ARB_vertex_shader = true;
90   ctx->Extensions.ARB_vertex_type_2_10_10_10_rev = true;
91   ctx->Extensions.ARB_vertex_type_10f_11f_11f_rev = true;
92   ctx->Extensions.EXT_blend_color = true;
93   ctx->Extensions.EXT_blend_equation_separate = true;
94   ctx->Extensions.EXT_blend_func_separate = true;
95   ctx->Extensions.EXT_blend_minmax = true;
96   ctx->Extensions.EXT_draw_buffers2 = true;
97   ctx->Extensions.EXT_framebuffer_sRGB = true;
98   ctx->Extensions.EXT_gpu_program_parameters = true;
99   ctx->Extensions.EXT_packed_float = true;
100   ctx->Extensions.EXT_pixel_buffer_object = true;
101   ctx->Extensions.EXT_point_parameters = true;
102   ctx->Extensions.EXT_polygon_offset_clamp = true;
103   ctx->Extensions.EXT_provoking_vertex = true;
104   ctx->Extensions.EXT_stencil_two_side = true;
105   ctx->Extensions.EXT_texture_array = true;
106   ctx->Extensions.EXT_texture_env_dot3 = true;
107   ctx->Extensions.EXT_texture_filter_anisotropic = true;
108   ctx->Extensions.EXT_texture_integer = true;
109   ctx->Extensions.EXT_texture_shared_exponent = true;
110   ctx->Extensions.EXT_texture_snorm = true;
111   ctx->Extensions.EXT_texture_sRGB = true;
112   ctx->Extensions.EXT_texture_sRGB_decode = true;
113   ctx->Extensions.EXT_texture_swizzle = true;
114   ctx->Extensions.EXT_vertex_array_bgra = true;
115   ctx->Extensions.KHR_robustness = true;
116   ctx->Extensions.AMD_seamless_cubemap_per_texture = true;
117   ctx->Extensions.APPLE_object_purgeable = true;
118   ctx->Extensions.ATI_separate_stencil = true;
119   ctx->Extensions.ATI_texture_env_combine3 = true;
120   ctx->Extensions.MESA_pack_invert = true;
121   ctx->Extensions.NV_conditional_render = true;
122   ctx->Extensions.NV_primitive_restart = true;
123   ctx->Extensions.NV_texture_barrier = true;
124   ctx->Extensions.NV_texture_env_combine4 = true;
125   ctx->Extensions.NV_texture_rectangle = true;
126   ctx->Extensions.TDFX_texture_compression_FXT1 = true;
127   ctx->Extensions.OES_compressed_ETC1_RGB8_texture = true;
128   ctx->Extensions.OES_draw_texture = true;
129   ctx->Extensions.OES_EGL_image = true;
130   ctx->Extensions.OES_EGL_image_external = true;
131   ctx->Extensions.OES_standard_derivatives = true;
132   ctx->Extensions.OES_texture_float = true;
133   ctx->Extensions.OES_texture_float_linear = true;
134   ctx->Extensions.OES_texture_half_float = true;
135   ctx->Extensions.OES_texture_half_float_linear = true;
136
137   if (brw->gen >= 8)
138      ctx->Const.GLSLVersion = 450;
139   else if (brw->is_haswell && can_do_pipelined_register_writes(brw->screen))
140      ctx->Const.GLSLVersion = 450;
141   else if (brw->gen >= 6)
142      ctx->Const.GLSLVersion = 330;
143   else
144      ctx->Const.GLSLVersion = 120;
145   _mesa_override_glsl_version(&ctx->Const);
146
147   ctx->Extensions.EXT_shader_integer_mix = ctx->Const.GLSLVersion >= 130;
148   ctx->Extensions.MESA_shader_integer_functions = ctx->Const.GLSLVersion >= 130;
149
150   if (brw->is_g4x || brw->gen >= 5) {
151      ctx->Extensions.MESA_shader_framebuffer_fetch_non_coherent = true;
152      ctx->Extensions.KHR_blend_equation_advanced = true;
153   }
154
155   if (brw->gen >= 5) {
156      ctx->Extensions.ARB_texture_query_levels = ctx->Const.GLSLVersion >= 130;
157      ctx->Extensions.ARB_texture_query_lod = true;
158      ctx->Extensions.EXT_timer_query = true;
159   }
160
161   if (brw->gen >= 6) {
162      ctx->Extensions.ARB_blend_func_extended =
163         !driQueryOptionb(&brw->optionCache, "disable_blend_func_extended");
164      ctx->Extensions.ARB_conditional_render_inverted = true;
165      ctx->Extensions.ARB_cull_distance = true;
166      ctx->Extensions.ARB_draw_buffers_blend = true;
167      ctx->Extensions.ARB_enhanced_layouts = true;
168      ctx->Extensions.ARB_ES3_compatibility = true;
169      ctx->Extensions.ARB_fragment_layer_viewport = true;
170      ctx->Extensions.ARB_sample_shading = true;
171      ctx->Extensions.ARB_shading_language_420pack = true;
172      ctx->Extensions.ARB_texture_buffer_object = true;
173      ctx->Extensions.ARB_texture_buffer_object_rgb32 = true;
174      ctx->Extensions.ARB_texture_buffer_range = true;
175      ctx->Extensions.ARB_texture_cube_map_array = true;
176      ctx->Extensions.ARB_texture_gather = true;
177      ctx->Extensions.ARB_texture_multisample = true;
178      ctx->Extensions.ARB_uniform_buffer_object = true;
179
180      ctx->Extensions.AMD_vertex_shader_layer = true;
181      ctx->Extensions.EXT_framebuffer_multisample = true;
182      ctx->Extensions.EXT_framebuffer_multisample_blit_scaled = true;
183      ctx->Extensions.EXT_transform_feedback = true;
184      ctx->Extensions.OES_depth_texture_cube_map = true;
185      ctx->Extensions.OES_sample_variables = true;
186
187      ctx->Extensions.ARB_timer_query = brw->screen->hw_has_timestamp;
188
189      /* Only enable this in core profile because other parts of Mesa behave
190       * slightly differently when the extension is enabled.
191       */
192      if (ctx->API == API_OPENGL_CORE) {
193         ctx->Extensions.ARB_shader_subroutine = true;
194         ctx->Extensions.ARB_shader_viewport_layer_array = true;
195         ctx->Extensions.ARB_viewport_array = true;
196         ctx->Extensions.AMD_vertex_shader_viewport_index = true;
197      }
198   }
199
200   brw->predicate.supported = false;
201
202   if (brw->gen >= 7) {
203      ctx->Extensions.ARB_conservative_depth = true;
204      ctx->Extensions.ARB_derivative_control = true;
205      ctx->Extensions.ARB_framebuffer_no_attachments = true;
206      ctx->Extensions.ARB_gpu_shader5 = true;
207      ctx->Extensions.ARB_shader_atomic_counters = true;
208      ctx->Extensions.ARB_shader_atomic_counter_ops = true;
209      ctx->Extensions.ARB_shader_clock = true;
210      ctx->Extensions.ARB_shader_image_load_store = true;
211      ctx->Extensions.ARB_shader_image_size = true;
212      ctx->Extensions.ARB_shader_texture_image_samples = true;
213      ctx->Extensions.ARB_tessellation_shader = true;
214      ctx->Extensions.ARB_texture_compression_bptc = true;
215      ctx->Extensions.ARB_texture_view = true;
216      ctx->Extensions.ARB_shader_storage_buffer_object = true;
217      ctx->Extensions.EXT_shader_samples_identical = true;
218      ctx->Extensions.OES_primitive_bounding_box = true;
219      ctx->Extensions.OES_texture_buffer = true;
220
221      if (can_do_pipelined_register_writes(brw->screen)) {
222         ctx->Extensions.ARB_draw_indirect = true;
223         ctx->Extensions.ARB_transform_feedback2 = true;
224         ctx->Extensions.ARB_transform_feedback3 = true;
225         ctx->Extensions.ARB_transform_feedback_instanced = true;
226
227         if (can_do_compute_dispatch(brw->screen) &&
228             ctx->Const.MaxComputeWorkGroupSize[0] >= 1024) {
229            ctx->Extensions.ARB_compute_shader = true;
230            ctx->Extensions.ARB_ES3_1_compatibility =
231               brw->gen >= 8 || brw->is_haswell;
232         }
233
234         if (can_do_predicate_writes(brw->screen))
235            brw->predicate.supported = true;
236      }
237   }
238
239   if (brw->gen >= 8 || brw->is_haswell) {
240      ctx->Extensions.ARB_gpu_shader_fp64 = true;
241      ctx->Extensions.ARB_shader_precision = true;
242      ctx->Extensions.ARB_stencil_texturing = true;
243      ctx->Extensions.ARB_texture_stencil8 = true;
244      ctx->Extensions.ARB_vertex_attrib_64bit = true;
245      ctx->Extensions.OES_geometry_shader = true;
246      ctx->Extensions.OES_texture_cube_map_array = true;
247      ctx->Extensions.OES_viewport_array = true;
248   }
249
250   if (brw->gen >= 8 || brw->is_haswell || brw->is_baytrail) {
251      ctx->Extensions.ARB_robust_buffer_access_behavior = true;
252   }
253
254   if (can_do_mi_math_and_lrr(brw->screen)) {
255      ctx->Extensions.ARB_query_buffer_object = true;
256   }
257
258   if (brw->gen >= 8 || brw->is_baytrail) {
259      /* For now, we only enable OES_copy_image on platforms that support
260       * ETC2 natively in hardware.  We would need more hacks to support it
261       * elsewhere.
262       */
263      ctx->Extensions.OES_copy_image = true;
264   }
265
266   if (brw->gen >= 8) {
267      ctx->Extensions.ARB_ES3_2_compatibility = true;
268   }
269
270   if (brw->gen >= 9) {
271      ctx->Extensions.ANDROID_extension_pack_es31a = true;
272      ctx->Extensions.ARB_shader_stencil_export = true;
273      ctx->Extensions.KHR_blend_equation_advanced_coherent = true;
274      ctx->Extensions.KHR_texture_compression_astc_ldr = true;
275      ctx->Extensions.KHR_texture_compression_astc_sliced_3d = true;
276      ctx->Extensions.INTEL_conservative_rasterization = true;
277      ctx->Extensions.MESA_shader_framebuffer_fetch = true;
278      ctx->Extensions.ARB_post_depth_coverage = true;
279   }
280
281   if (ctx->API == API_OPENGL_CORE)
282      ctx->Extensions.ARB_base_instance = true;
283   if (ctx->API != API_OPENGL_CORE)
284      ctx->Extensions.ARB_color_buffer_float = true;
285
286   if (ctx->Mesa_DXTn || driQueryOptionb(&brw->optionCache, "force_s3tc_enable"))
287      ctx->Extensions.EXT_texture_compression_s3tc = true;
288
289   ctx->Extensions.ANGLE_texture_compression_dxt = true;
290}
291