| /* |
| Copyright (C) Intel Corp. 2006. All Rights Reserved. |
| Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to |
| develop this 3D driver. |
| |
| Permission is hereby granted, free of charge, to any person obtaining |
| a copy of this software and associated documentation files (the |
| "Software"), to deal in the Software without restriction, including |
| without limitation the rights to use, copy, modify, merge, publish, |
| distribute, sublicense, and/or sell copies of the Software, and to |
| permit persons to whom the Software is furnished to do so, subject to |
| the following conditions: |
| |
| The above copyright notice and this permission notice (including the |
| next paragraph) shall be included in all copies or substantial |
| portions of the Software. |
| |
| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE |
| LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
| OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
| WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| |
| **********************************************************************/ |
| /* |
| * Authors: |
| * Keith Whitwell <keith@tungstengraphics.com> |
| */ |
| |
| |
| #ifndef BRW_STRUCTS_H |
| #define BRW_STRUCTS_H |
| |
| /* These seem to be passed around as function args, so it works out |
| * better to keep them as #defines: |
| */ |
| #define BRW_FLUSH_READ_CACHE 0x1 |
| #define BRW_FLUSH_STATE_CACHE 0x2 |
| #define BRW_INHIBIT_FLUSH_RENDER_CACHE 0x4 |
| #define BRW_FLUSH_SNAPSHOT_COUNTERS 0x8 |
| |
| struct brw_urb_fence |
| { |
| struct |
| { |
| GLuint length:8; |
| GLuint vs_realloc:1; |
| GLuint gs_realloc:1; |
| GLuint clp_realloc:1; |
| GLuint sf_realloc:1; |
| GLuint vfe_realloc:1; |
| GLuint cs_realloc:1; |
| GLuint pad:2; |
| GLuint opcode:16; |
| } header; |
| |
| struct |
| { |
| GLuint vs_fence:10; |
| GLuint gs_fence:10; |
| GLuint clp_fence:10; |
| GLuint pad:2; |
| } bits0; |
| |
| struct |
| { |
| GLuint sf_fence:10; |
| GLuint vf_fence:10; |
| GLuint cs_fence:11; |
| GLuint pad:1; |
| } bits1; |
| }; |
| |
| /* State structs for the various fixed function units: |
| */ |
| |
| |
| struct thread0 |
| { |
| GLuint pad0:1; |
| GLuint grf_reg_count:3; |
| GLuint pad1:2; |
| GLuint kernel_start_pointer:26; /* Offset from GENERAL_STATE_BASE */ |
| }; |
| |
| struct thread1 |
| { |
| GLuint ext_halt_exception_enable:1; |
| GLuint sw_exception_enable:1; |
| GLuint mask_stack_exception_enable:1; |
| GLuint timeout_exception_enable:1; |
| GLuint illegal_op_exception_enable:1; |
| GLuint pad0:3; |
| GLuint depth_coef_urb_read_offset:6; /* WM only */ |
| GLuint pad1:2; |
| GLuint floating_point_mode:1; |
| GLuint thread_priority:1; |
| GLuint binding_table_entry_count:8; |
| GLuint pad3:5; |
| GLuint single_program_flow:1; |
| }; |
| |
| struct thread2 |
| { |
| GLuint per_thread_scratch_space:4; |
| GLuint pad0:6; |
| GLuint scratch_space_base_pointer:22; |
| }; |
| |
| |
| struct thread3 |
| { |
| GLuint dispatch_grf_start_reg:4; |
| GLuint urb_entry_read_offset:6; |
| GLuint pad0:1; |
| GLuint urb_entry_read_length:6; |
| GLuint pad1:1; |
| GLuint const_urb_entry_read_offset:6; |
| GLuint pad2:1; |
| GLuint const_urb_entry_read_length:6; |
| GLuint pad3:1; |
| }; |
| |
| |
| |
| struct brw_clip_unit_state |
| { |
| struct thread0 thread0; |
| struct |
| { |
| GLuint pad0:7; |
| GLuint sw_exception_enable:1; |
| GLuint pad1:3; |
| GLuint mask_stack_exception_enable:1; |
| GLuint pad2:1; |
| GLuint illegal_op_exception_enable:1; |
| GLuint pad3:2; |
| GLuint floating_point_mode:1; |
| GLuint thread_priority:1; |
| GLuint binding_table_entry_count:8; |
| GLuint pad4:5; |
| GLuint single_program_flow:1; |
| } thread1; |
| |
| struct thread2 thread2; |
| struct thread3 thread3; |
| |
| struct |
| { |
| GLuint pad0:9; |
| GLuint gs_output_stats:1; /* not always */ |
| GLuint stats_enable:1; |
| GLuint nr_urb_entries:7; |
| GLuint pad1:1; |
| GLuint urb_entry_allocation_size:5; |
| GLuint pad2:1; |
| GLuint max_threads:5; /* may be less */ |
| GLuint pad3:2; |
| } thread4; |
| |
| struct |
| { |
| GLuint pad0:13; |
| GLuint clip_mode:3; |
| GLuint userclip_enable_flags:8; |
| GLuint userclip_must_clip:1; |
| GLuint negative_w_clip_test:1; |
| GLuint guard_band_enable:1; |
| GLuint viewport_z_clip_enable:1; |
| GLuint viewport_xy_clip_enable:1; |
| GLuint vertex_position_space:1; |
| GLuint api_mode:1; |
| GLuint pad2:1; |
| } clip5; |
| |
| struct |
| { |
| GLuint pad0:5; |
| GLuint clipper_viewport_state_ptr:27; |
| } clip6; |
| |
| |
| GLfloat viewport_xmin; |
| GLfloat viewport_xmax; |
| GLfloat viewport_ymin; |
| GLfloat viewport_ymax; |
| }; |
| |
| struct gen6_blend_state |
| { |
| struct { |
| GLuint dest_blend_factor:5; |
| GLuint source_blend_factor:5; |
| GLuint pad3:1; |
| GLuint blend_func:3; |
| GLuint pad2:1; |
| GLuint ia_dest_blend_factor:5; |
| GLuint ia_source_blend_factor:5; |
| GLuint pad1:1; |
| GLuint ia_blend_func:3; |
| GLuint pad0:1; |
| GLuint ia_blend_enable:1; |
| GLuint blend_enable:1; |
| } blend0; |
| |
| struct { |
| GLuint post_blend_clamp_enable:1; |
| GLuint pre_blend_clamp_enable:1; |
| GLuint clamp_range:2; |
| GLuint pad0:4; |
| GLuint x_dither_offset:2; |
| GLuint y_dither_offset:2; |
| GLuint dither_enable:1; |
| GLuint alpha_test_func:3; |
| GLuint alpha_test_enable:1; |
| GLuint pad1:1; |
| GLuint logic_op_func:4; |
| GLuint logic_op_enable:1; |
| GLuint pad2:1; |
| GLuint write_disable_b:1; |
| GLuint write_disable_g:1; |
| GLuint write_disable_r:1; |
| GLuint write_disable_a:1; |
| GLuint pad3:1; |
| GLuint alpha_to_coverage_dither:1; |
| GLuint alpha_to_one:1; |
| GLuint alpha_to_coverage:1; |
| } blend1; |
| }; |
| |
| struct gen6_color_calc_state |
| { |
| struct { |
| GLuint alpha_test_format:1; |
| GLuint pad0:14; |
| GLuint round_disable:1; |
| GLuint bf_stencil_ref:8; |
| GLuint stencil_ref:8; |
| } cc0; |
| |
| union { |
| GLfloat alpha_ref_f; |
| struct { |
| GLuint ui:8; |
| GLuint pad0:24; |
| } alpha_ref_fi; |
| } cc1; |
| |
| GLfloat constant_r; |
| GLfloat constant_g; |
| GLfloat constant_b; |
| GLfloat constant_a; |
| }; |
| |
| struct gen6_depth_stencil_state |
| { |
| struct { |
| GLuint pad0:3; |
| GLuint bf_stencil_pass_depth_pass_op:3; |
| GLuint bf_stencil_pass_depth_fail_op:3; |
| GLuint bf_stencil_fail_op:3; |
| GLuint bf_stencil_func:3; |
| GLuint bf_stencil_enable:1; |
| GLuint pad1:2; |
| GLuint stencil_write_enable:1; |
| GLuint stencil_pass_depth_pass_op:3; |
| GLuint stencil_pass_depth_fail_op:3; |
| GLuint stencil_fail_op:3; |
| GLuint stencil_func:3; |
| GLuint stencil_enable:1; |
| } ds0; |
| |
| struct { |
| GLuint bf_stencil_write_mask:8; |
| GLuint bf_stencil_test_mask:8; |
| GLuint stencil_write_mask:8; |
| GLuint stencil_test_mask:8; |
| } ds1; |
| |
| struct { |
| GLuint pad0:26; |
| GLuint depth_write_enable:1; |
| GLuint depth_test_func:3; |
| GLuint pad1:1; |
| GLuint depth_test_enable:1; |
| } ds2; |
| }; |
| |
| struct brw_cc_unit_state |
| { |
| struct |
| { |
| GLuint pad0:3; |
| GLuint bf_stencil_pass_depth_pass_op:3; |
| GLuint bf_stencil_pass_depth_fail_op:3; |
| GLuint bf_stencil_fail_op:3; |
| GLuint bf_stencil_func:3; |
| GLuint bf_stencil_enable:1; |
| GLuint pad1:2; |
| GLuint stencil_write_enable:1; |
| GLuint stencil_pass_depth_pass_op:3; |
| GLuint stencil_pass_depth_fail_op:3; |
| GLuint stencil_fail_op:3; |
| GLuint stencil_func:3; |
| GLuint stencil_enable:1; |
| } cc0; |
| |
| |
| struct |
| { |
| GLuint bf_stencil_ref:8; |
| GLuint stencil_write_mask:8; |
| GLuint stencil_test_mask:8; |
| GLuint stencil_ref:8; |
| } cc1; |
| |
| |
| struct |
| { |
| GLuint logicop_enable:1; |
| GLuint pad0:10; |
| GLuint depth_write_enable:1; |
| GLuint depth_test_function:3; |
| GLuint depth_test:1; |
| GLuint bf_stencil_write_mask:8; |
| GLuint bf_stencil_test_mask:8; |
| } cc2; |
| |
| |
| struct |
| { |
| GLuint pad0:8; |
| GLuint alpha_test_func:3; |
| GLuint alpha_test:1; |
| GLuint blend_enable:1; |
| GLuint ia_blend_enable:1; |
| GLuint pad1:1; |
| GLuint alpha_test_format:1; |
| GLuint pad2:16; |
| } cc3; |
| |
| struct |
| { |
| GLuint pad0:5; |
| GLuint cc_viewport_state_offset:27; /* Offset from GENERAL_STATE_BASE */ |
| } cc4; |
| |
| struct |
| { |
| GLuint pad0:2; |
| GLuint ia_dest_blend_factor:5; |
| GLuint ia_src_blend_factor:5; |
| GLuint ia_blend_function:3; |
| GLuint statistics_enable:1; |
| GLuint logicop_func:4; |
| GLuint pad1:11; |
| GLuint dither_enable:1; |
| } cc5; |
| |
| struct |
| { |
| GLuint clamp_post_alpha_blend:1; |
| GLuint clamp_pre_alpha_blend:1; |
| GLuint clamp_range:2; |
| GLuint pad0:11; |
| GLuint y_dither_offset:2; |
| GLuint x_dither_offset:2; |
| GLuint dest_blend_factor:5; |
| GLuint src_blend_factor:5; |
| GLuint blend_function:3; |
| } cc6; |
| |
| struct { |
| union { |
| GLfloat f; |
| GLubyte ub[4]; |
| } alpha_ref; |
| } cc7; |
| }; |
| |
| struct brw_sf_unit_state |
| { |
| struct thread0 thread0; |
| struct thread1 thread1; |
| struct thread2 thread2; |
| struct thread3 thread3; |
| |
| struct |
| { |
| GLuint pad0:10; |
| GLuint stats_enable:1; |
| GLuint nr_urb_entries:7; |
| GLuint pad1:1; |
| GLuint urb_entry_allocation_size:5; |
| GLuint pad2:1; |
| GLuint max_threads:6; |
| GLuint pad3:1; |
| } thread4; |
| |
| struct |
| { |
| GLuint front_winding:1; |
| GLuint viewport_transform:1; |
| GLuint pad0:3; |
| GLuint sf_viewport_state_offset:27; /* Offset from GENERAL_STATE_BASE */ |
| } sf5; |
| |
| struct |
| { |
| GLuint pad0:9; |
| GLuint dest_org_vbias:4; |
| GLuint dest_org_hbias:4; |
| GLuint scissor:1; |
| GLuint disable_2x2_trifilter:1; |
| GLuint disable_zero_pix_trifilter:1; |
| GLuint point_rast_rule:2; |
| GLuint line_endcap_aa_region_width:2; |
| GLuint line_width:4; |
| GLuint fast_scissor_disable:1; |
| GLuint cull_mode:2; |
| GLuint aa_enable:1; |
| } sf6; |
| |
| struct |
| { |
| GLuint point_size:11; |
| GLuint use_point_size_state:1; |
| GLuint subpixel_precision:1; |
| GLuint sprite_point:1; |
| GLuint pad0:10; |
| GLuint aa_line_distance_mode:1; |
| GLuint trifan_pv:2; |
| GLuint linestrip_pv:2; |
| GLuint tristrip_pv:2; |
| GLuint line_last_pixel_enable:1; |
| } sf7; |
| |
| }; |
| |
| struct gen6_scissor_rect |
| { |
| GLuint xmin:16; |
| GLuint ymin:16; |
| GLuint xmax:16; |
| GLuint ymax:16; |
| }; |
| |
| struct brw_gs_unit_state |
| { |
| struct thread0 thread0; |
| struct thread1 thread1; |
| struct thread2 thread2; |
| struct thread3 thread3; |
| |
| struct |
| { |
| GLuint pad0:8; |
| GLuint rendering_enable:1; /* for Ironlake */ |
| GLuint pad4:1; |
| GLuint stats_enable:1; |
| GLuint nr_urb_entries:7; |
| GLuint pad1:1; |
| GLuint urb_entry_allocation_size:5; |
| GLuint pad2:1; |
| GLuint max_threads:5; |
| GLuint pad3:2; |
| } thread4; |
| |
| struct |
| { |
| GLuint sampler_count:3; |
| GLuint pad0:2; |
| GLuint sampler_state_pointer:27; |
| } gs5; |
| |
| |
| struct |
| { |
| GLuint max_vp_index:4; |
| GLuint pad0:12; |
| GLuint svbi_post_inc_value:10; |
| GLuint pad1:1; |
| GLuint svbi_post_inc_enable:1; |
| GLuint svbi_payload:1; |
| GLuint discard_adjaceny:1; |
| GLuint reorder_enable:1; |
| GLuint pad2:1; |
| } gs6; |
| }; |
| |
| |
| struct brw_vs_unit_state |
| { |
| struct thread0 thread0; |
| struct thread1 thread1; |
| struct thread2 thread2; |
| struct thread3 thread3; |
| |
| struct |
| { |
| GLuint pad0:10; |
| GLuint stats_enable:1; |
| GLuint nr_urb_entries:7; |
| GLuint pad1:1; |
| GLuint urb_entry_allocation_size:5; |
| GLuint pad2:1; |
| GLuint max_threads:6; |
| GLuint pad3:1; |
| } thread4; |
| |
| struct |
| { |
| GLuint sampler_count:3; |
| GLuint pad0:2; |
| GLuint sampler_state_pointer:27; |
| } vs5; |
| |
| struct |
| { |
| GLuint vs_enable:1; |
| GLuint vert_cache_disable:1; |
| GLuint pad0:30; |
| } vs6; |
| }; |
| |
| |
| struct brw_wm_unit_state |
| { |
| struct thread0 thread0; |
| struct thread1 thread1; |
| struct thread2 thread2; |
| struct thread3 thread3; |
| |
| struct { |
| GLuint stats_enable:1; |
| GLuint depth_buffer_clear:1; |
| GLuint sampler_count:3; |
| GLuint sampler_state_pointer:27; |
| } wm4; |
| |
| struct |
| { |
| GLuint enable_8_pix:1; |
| GLuint enable_16_pix:1; |
| GLuint enable_32_pix:1; |
| GLuint enable_con_32_pix:1; |
| GLuint enable_con_64_pix:1; |
| GLuint pad0:1; |
| |
| /* These next four bits are for Ironlake+ */ |
| GLuint fast_span_coverage_enable:1; |
| GLuint depth_buffer_clear:1; |
| GLuint depth_buffer_resolve_enable:1; |
| GLuint hierarchical_depth_buffer_resolve_enable:1; |
| |
| GLuint legacy_global_depth_bias:1; |
| GLuint line_stipple:1; |
| GLuint depth_offset:1; |
| GLuint polygon_stipple:1; |
| GLuint line_aa_region_width:2; |
| GLuint line_endcap_aa_region_width:2; |
| GLuint early_depth_test:1; |
| GLuint thread_dispatch_enable:1; |
| GLuint program_uses_depth:1; |
| GLuint program_computes_depth:1; |
| GLuint program_uses_killpixel:1; |
| GLuint legacy_line_rast: 1; |
| GLuint transposed_urb_read_enable:1; |
| GLuint max_threads:7; |
| } wm5; |
| |
| GLfloat global_depth_offset_constant; |
| GLfloat global_depth_offset_scale; |
| |
| /* for Ironlake only */ |
| struct { |
| GLuint pad0:1; |
| GLuint grf_reg_count_1:3; |
| GLuint pad1:2; |
| GLuint kernel_start_pointer_1:26; |
| } wm8; |
| |
| struct { |
| GLuint pad0:1; |
| GLuint grf_reg_count_2:3; |
| GLuint pad1:2; |
| GLuint kernel_start_pointer_2:26; |
| } wm9; |
| |
| struct { |
| GLuint pad0:1; |
| GLuint grf_reg_count_3:3; |
| GLuint pad1:2; |
| GLuint kernel_start_pointer_3:26; |
| } wm10; |
| }; |
| |
| struct brw_sampler_default_color { |
| GLfloat color[4]; |
| }; |
| |
| struct gen5_sampler_default_color { |
| uint8_t ub[4]; |
| float f[4]; |
| uint16_t hf[4]; |
| uint16_t us[4]; |
| int16_t s[4]; |
| uint8_t b[4]; |
| }; |
| |
| struct brw_sampler_state |
| { |
| |
| struct |
| { |
| GLuint shadow_function:3; |
| GLuint lod_bias:11; |
| GLuint min_filter:3; |
| GLuint mag_filter:3; |
| GLuint mip_filter:2; |
| GLuint base_level:5; |
| GLuint min_mag_neq:1; |
| GLuint lod_preclamp:1; |
| GLuint default_color_mode:1; |
| GLuint pad0:1; |
| GLuint disable:1; |
| } ss0; |
| |
| struct |
| { |
| GLuint r_wrap_mode:3; |
| GLuint t_wrap_mode:3; |
| GLuint s_wrap_mode:3; |
| GLuint cube_control_mode:1; |
| GLuint pad:2; |
| GLuint max_lod:10; |
| GLuint min_lod:10; |
| } ss1; |
| |
| |
| struct |
| { |
| GLuint pad:5; |
| GLuint default_color_pointer:27; |
| } ss2; |
| |
| struct |
| { |
| GLuint non_normalized_coord:1; |
| GLuint pad:12; |
| GLuint address_round:6; |
| GLuint max_aniso:3; |
| GLuint chroma_key_mode:1; |
| GLuint chroma_key_index:2; |
| GLuint chroma_key_enable:1; |
| GLuint monochrome_filter_width:3; |
| GLuint monochrome_filter_height:3; |
| } ss3; |
| }; |
| |
| struct gen7_sampler_state |
| { |
| struct |
| { |
| GLuint aniso_algorithm:1; |
| GLuint lod_bias:13; |
| GLuint min_filter:3; |
| GLuint mag_filter:3; |
| GLuint mip_filter:2; |
| GLuint base_level:5; |
| GLuint pad1:1; |
| GLuint lod_preclamp:1; |
| GLuint default_color_mode:1; |
| GLuint pad0:1; |
| GLuint disable:1; |
| } ss0; |
| |
| struct |
| { |
| GLuint cube_control_mode:1; |
| GLuint shadow_function:3; |
| GLuint pad:4; |
| GLuint max_lod:12; |
| GLuint min_lod:12; |
| } ss1; |
| |
| struct |
| { |
| GLuint pad:5; |
| GLuint default_color_pointer:27; |
| } ss2; |
| |
| struct |
| { |
| GLuint r_wrap_mode:3; |
| GLuint t_wrap_mode:3; |
| GLuint s_wrap_mode:3; |
| GLuint pad:1; |
| GLuint non_normalized_coord:1; |
| GLuint trilinear_quality:2; |
| GLuint address_round:6; |
| GLuint max_aniso:3; |
| GLuint chroma_key_mode:1; |
| GLuint chroma_key_index:2; |
| GLuint chroma_key_enable:1; |
| GLuint pad0:6; |
| } ss3; |
| }; |
| |
| struct brw_clipper_viewport |
| { |
| GLfloat xmin; |
| GLfloat xmax; |
| GLfloat ymin; |
| GLfloat ymax; |
| }; |
| |
| struct brw_cc_viewport |
| { |
| GLfloat min_depth; |
| GLfloat max_depth; |
| }; |
| |
| struct brw_sf_viewport |
| { |
| struct { |
| GLfloat m00; |
| GLfloat m11; |
| GLfloat m22; |
| GLfloat m30; |
| GLfloat m31; |
| GLfloat m32; |
| } viewport; |
| |
| /* scissor coordinates are inclusive */ |
| struct { |
| GLshort xmin; |
| GLshort ymin; |
| GLshort xmax; |
| GLshort ymax; |
| } scissor; |
| }; |
| |
| struct gen6_sf_viewport { |
| GLfloat m00; |
| GLfloat m11; |
| GLfloat m22; |
| GLfloat m30; |
| GLfloat m31; |
| GLfloat m32; |
| }; |
| |
| struct gen7_sf_clip_viewport { |
| struct { |
| GLfloat m00; |
| GLfloat m11; |
| GLfloat m22; |
| GLfloat m30; |
| GLfloat m31; |
| GLfloat m32; |
| } viewport; |
| |
| GLuint pad0[2]; |
| |
| struct { |
| GLfloat xmin; |
| GLfloat xmax; |
| GLfloat ymin; |
| GLfloat ymax; |
| } guardband; |
| |
| GLfloat pad1[4]; |
| }; |
| |
| struct brw_vertex_element_state |
| { |
| struct |
| { |
| GLuint src_offset:11; |
| GLuint pad:5; |
| GLuint src_format:9; |
| GLuint pad0:1; |
| GLuint valid:1; |
| GLuint vertex_buffer_index:5; |
| } ve0; |
| |
| struct |
| { |
| GLuint dst_offset:8; |
| GLuint pad:8; |
| GLuint vfcomponent3:4; |
| GLuint vfcomponent2:4; |
| GLuint vfcomponent1:4; |
| GLuint vfcomponent0:4; |
| } ve1; |
| }; |
| |
| struct brw_urb_immediate { |
| GLuint opcode:4; |
| GLuint offset:6; |
| GLuint swizzle_control:2; |
| GLuint pad:1; |
| GLuint allocate:1; |
| GLuint used:1; |
| GLuint complete:1; |
| GLuint response_length:4; |
| GLuint msg_length:4; |
| GLuint msg_target:4; |
| GLuint pad1:3; |
| GLuint end_of_thread:1; |
| }; |
| |
| /* Instruction format for the execution units: |
| */ |
| |
| struct brw_instruction |
| { |
| struct |
| { |
| GLuint opcode:7; |
| GLuint pad:1; |
| GLuint access_mode:1; |
| GLuint mask_control:1; |
| GLuint dependency_control:2; |
| GLuint compression_control:2; /* gen6: quater control */ |
| GLuint thread_control:2; |
| GLuint predicate_control:4; |
| GLuint predicate_inverse:1; |
| GLuint execution_size:3; |
| /** |
| * Conditional Modifier for most instructions. On Gen6+, this is also |
| * used for the SEND instruction's Message Target/SFID. |
| */ |
| GLuint destreg__conditionalmod:4; |
| GLuint acc_wr_control:1; |
| GLuint cmpt_control:1; |
| GLuint debug_control:1; |
| GLuint saturate:1; |
| } header; |
| |
| union { |
| struct |
| { |
| GLuint dest_reg_file:2; |
| GLuint dest_reg_type:3; |
| GLuint src0_reg_file:2; |
| GLuint src0_reg_type:3; |
| GLuint src1_reg_file:2; |
| GLuint src1_reg_type:3; |
| GLuint pad:1; |
| GLuint dest_subreg_nr:5; |
| GLuint dest_reg_nr:8; |
| GLuint dest_horiz_stride:2; |
| GLuint dest_address_mode:1; |
| } da1; |
| |
| struct |
| { |
| GLuint dest_reg_file:2; |
| GLuint dest_reg_type:3; |
| GLuint src0_reg_file:2; |
| GLuint src0_reg_type:3; |
| GLuint src1_reg_file:2; /* 0x00000c00 */ |
| GLuint src1_reg_type:3; /* 0x00007000 */ |
| GLuint pad:1; |
| GLint dest_indirect_offset:10; /* offset against the deref'd address reg */ |
| GLuint dest_subreg_nr:3; /* subnr for the address reg a0.x */ |
| GLuint dest_horiz_stride:2; |
| GLuint dest_address_mode:1; |
| } ia1; |
| |
| struct |
| { |
| GLuint dest_reg_file:2; |
| GLuint dest_reg_type:3; |
| GLuint src0_reg_file:2; |
| GLuint src0_reg_type:3; |
| GLuint src1_reg_file:2; |
| GLuint src1_reg_type:3; |
| GLuint pad:1; |
| GLuint dest_writemask:4; |
| GLuint dest_subreg_nr:1; |
| GLuint dest_reg_nr:8; |
| GLuint dest_horiz_stride:2; |
| GLuint dest_address_mode:1; |
| } da16; |
| |
| struct |
| { |
| GLuint dest_reg_file:2; |
| GLuint dest_reg_type:3; |
| GLuint src0_reg_file:2; |
| GLuint src0_reg_type:3; |
| GLuint pad0:6; |
| GLuint dest_writemask:4; |
| GLint dest_indirect_offset:6; |
| GLuint dest_subreg_nr:3; |
| GLuint dest_horiz_stride:2; |
| GLuint dest_address_mode:1; |
| } ia16; |
| |
| struct { |
| GLuint dest_reg_file:2; |
| GLuint dest_reg_type:3; |
| GLuint src0_reg_file:2; |
| GLuint src0_reg_type:3; |
| GLuint src1_reg_file:2; |
| GLuint src1_reg_type:3; |
| GLuint pad:1; |
| |
| GLint jump_count:16; |
| } branch_gen6; |
| |
| struct { |
| GLuint dest_reg_file:1; |
| GLuint flag_subreg_nr:1; |
| GLuint flag_reg_nr:1; |
| GLuint pad0:1; |
| GLuint src0_abs:1; |
| GLuint src0_negate:1; |
| GLuint src1_abs:1; |
| GLuint src1_negate:1; |
| GLuint src2_abs:1; |
| GLuint src2_negate:1; |
| GLuint src_reg_type:2; |
| GLuint dest_reg_type:2; |
| GLuint pad1:1; |
| GLuint nib_ctrl:1; |
| GLuint pad2:1; |
| GLuint dest_writemask:4; |
| GLuint dest_subreg_nr:3; |
| GLuint dest_reg_nr:8; |
| } da3src; |
| |
| uint32_t ud; |
| } bits1; |
| |
| |
| union { |
| struct |
| { |
| GLuint src0_subreg_nr:5; |
| GLuint src0_reg_nr:8; |
| GLuint src0_abs:1; |
| GLuint src0_negate:1; |
| GLuint src0_address_mode:1; |
| GLuint src0_horiz_stride:2; |
| GLuint src0_width:3; |
| GLuint src0_vert_stride:4; |
| GLuint flag_subreg_nr:1; |
| GLuint flag_reg_nr:1; |
| GLuint pad:5; |
| } da1; |
| |
| struct |
| { |
| GLint src0_indirect_offset:10; |
| GLuint src0_subreg_nr:3; |
| GLuint src0_abs:1; |
| GLuint src0_negate:1; |
| GLuint src0_address_mode:1; |
| GLuint src0_horiz_stride:2; |
| GLuint src0_width:3; |
| GLuint src0_vert_stride:4; |
| GLuint flag_subreg_nr:1; |
| GLuint flag_reg_nr:1; |
| GLuint pad:5; |
| } ia1; |
| |
| struct |
| { |
| GLuint src0_swz_x:2; |
| GLuint src0_swz_y:2; |
| GLuint src0_subreg_nr:1; |
| GLuint src0_reg_nr:8; |
| GLuint src0_abs:1; |
| GLuint src0_negate:1; |
| GLuint src0_address_mode:1; |
| GLuint src0_swz_z:2; |
| GLuint src0_swz_w:2; |
| GLuint pad0:1; |
| GLuint src0_vert_stride:4; |
| GLuint flag_subreg_nr:1; |
| GLuint flag_reg_nr:1; |
| GLuint pad1:5; |
| } da16; |
| |
| struct |
| { |
| GLuint src0_swz_x:2; |
| GLuint src0_swz_y:2; |
| GLint src0_indirect_offset:6; |
| GLuint src0_subreg_nr:3; |
| GLuint src0_abs:1; |
| GLuint src0_negate:1; |
| GLuint src0_address_mode:1; |
| GLuint src0_swz_z:2; |
| GLuint src0_swz_w:2; |
| GLuint pad0:1; |
| GLuint src0_vert_stride:4; |
| GLuint flag_subreg_nr:1; |
| GLuint flag_reg_nr:1; |
| GLuint pad1:5; |
| } ia16; |
| |
| /* Extended Message Descriptor for Ironlake (Gen5) SEND instruction. |
| * |
| * Does not apply to Gen6+. The SFID/message target moved to bits |
| * 27:24 of the header (destreg__conditionalmod); EOT is in bits3. |
| */ |
| struct |
| { |
| GLuint pad:26; |
| GLuint end_of_thread:1; |
| GLuint pad1:1; |
| GLuint sfid:4; |
| } send_gen5; /* for Ironlake only */ |
| |
| struct { |
| GLuint src0_rep_ctrl:1; |
| GLuint src0_swizzle:8; |
| GLuint src0_subreg_nr:3; |
| GLuint src0_reg_nr:8; |
| GLuint pad0:1; |
| GLuint src1_rep_ctrl:1; |
| GLuint src1_swizzle:8; |
| GLuint src1_subreg_nr_low:2; |
| } da3src; |
| |
| uint32_t ud; |
| } bits2; |
| |
| union |
| { |
| struct |
| { |
| GLuint src1_subreg_nr:5; |
| GLuint src1_reg_nr:8; |
| GLuint src1_abs:1; |
| GLuint src1_negate:1; |
| GLuint src1_address_mode:1; |
| GLuint src1_horiz_stride:2; |
| GLuint src1_width:3; |
| GLuint src1_vert_stride:4; |
| GLuint pad0:7; |
| } da1; |
| |
| struct |
| { |
| GLuint src1_swz_x:2; |
| GLuint src1_swz_y:2; |
| GLuint src1_subreg_nr:1; |
| GLuint src1_reg_nr:8; |
| GLuint src1_abs:1; |
| GLuint src1_negate:1; |
| GLuint src1_address_mode:1; |
| GLuint src1_swz_z:2; |
| GLuint src1_swz_w:2; |
| GLuint pad1:1; |
| GLuint src1_vert_stride:4; |
| GLuint pad2:7; |
| } da16; |
| |
| struct |
| { |
| GLint src1_indirect_offset:10; |
| GLuint src1_subreg_nr:3; |
| GLuint src1_abs:1; |
| GLuint src1_negate:1; |
| GLuint src1_address_mode:1; |
| GLuint src1_horiz_stride:2; |
| GLuint src1_width:3; |
| GLuint src1_vert_stride:4; |
| GLuint pad1:7; |
| } ia1; |
| |
| struct |
| { |
| GLuint src1_swz_x:2; |
| GLuint src1_swz_y:2; |
| GLint src1_indirect_offset:6; |
| GLuint src1_subreg_nr:3; |
| GLuint src1_abs:1; |
| GLuint src1_negate:1; |
| GLuint src1_address_mode:1; |
| GLuint src1_swz_z:2; |
| GLuint src1_swz_w:2; |
| GLuint pad1:1; |
| GLuint src1_vert_stride:4; |
| GLuint pad2:7; |
| } ia16; |
| |
| |
| struct |
| { |
| GLint jump_count:16; /* note: signed */ |
| GLuint pop_count:4; |
| GLuint pad0:12; |
| } if_else; |
| |
| /* This is also used for gen7 IF/ELSE instructions */ |
| struct |
| { |
| /* Signed jump distance to the ip to jump to if all channels |
| * are disabled after the break or continue. It should point |
| * to the end of the innermost control flow block, as that's |
| * where some channel could get re-enabled. |
| */ |
| int jip:16; |
| |
| /* Signed jump distance to the location to resume execution |
| * of this channel if it's enabled for the break or continue. |
| */ |
| int uip:16; |
| } break_cont; |
| |
| GLint JIP; /* used by Gen6 CALL instructions; Gen7 JMPI */ |
| |
| /** |
| * \defgroup SEND instructions / Message Descriptors |
| * |
| * @{ |
| */ |
| |
| /** |
| * Generic Message Descriptor for Gen4 SEND instructions. The structs |
| * below expand function_control to something specific for their |
| * message. Due to struct packing issues, they duplicate these bits. |
| * |
| * See the G45 PRM, Volume 4, Table 14-15. |
| */ |
| struct { |
| GLuint function_control:16; |
| GLuint response_length:4; |
| GLuint msg_length:4; |
| GLuint msg_target:4; |
| GLuint pad1:3; |
| GLuint end_of_thread:1; |
| } generic; |
| |
| /** |
| * Generic Message Descriptor for Gen5-7 SEND instructions. |
| * |
| * See the Sandybridge PRM, Volume 2 Part 2, Table 8-15. (Sadly, most |
| * of the information on the SEND instruction is missing from the public |
| * Ironlake PRM.) |
| * |
| * The table claims that bit 31 is reserved/MBZ on Gen6+, but it lies. |
| * According to the SEND instruction description: |
| * "The MSb of the message description, the EOT field, always comes from |
| * bit 127 of the instruction word"...which is bit 31 of this field. |
| */ |
| struct { |
| GLuint function_control:19; |
| GLuint header_present:1; |
| GLuint response_length:5; |
| GLuint msg_length:4; |
| GLuint pad1:2; |
| GLuint end_of_thread:1; |
| } generic_gen5; |
| |
| struct { |
| GLuint opcode:1; |
| GLuint requester_type:1; |
| GLuint pad:2; |
| GLuint resource_select:1; |
| GLuint pad1:11; |
| GLuint response_length:4; |
| GLuint msg_length:4; |
| GLuint msg_target:4; |
| GLuint pad2:3; |
| GLuint end_of_thread:1; |
| } thread_spawner; |
| |
| struct { |
| GLuint opcode:1; |
| GLuint requester_type:1; |
| GLuint pad0:2; |
| GLuint resource_select:1; |
| GLuint pad1:14; |
| GLuint header_present:1; |
| GLuint response_length:5; |
| GLuint msg_length:4; |
| GLuint pad2:2; |
| GLuint end_of_thread:1; |
| } thread_spawner_gen5; |
| |
| /** G45 PRM, Volume 4, Section 6.1.1.1 */ |
| struct { |
| GLuint function:4; |
| GLuint int_type:1; |
| GLuint precision:1; |
| GLuint saturate:1; |
| GLuint data_type:1; |
| GLuint pad0:8; |
| GLuint response_length:4; |
| GLuint msg_length:4; |
| GLuint msg_target:4; |
| GLuint pad1:3; |
| GLuint end_of_thread:1; |
| } math; |
| |
| /** Ironlake PRM, Volume 4 Part 1, Section 6.1.1.1 */ |
| struct { |
| GLuint function:4; |
| GLuint int_type:1; |
| GLuint precision:1; |
| GLuint saturate:1; |
| GLuint data_type:1; |
| GLuint snapshot:1; |
| GLuint pad0:10; |
| GLuint header_present:1; |
| GLuint response_length:5; |
| GLuint msg_length:4; |
| GLuint pad1:2; |
| GLuint end_of_thread:1; |
| } math_gen5; |
| |
| /** G45 PRM, Volume 4, Section 4.8.1.1.1 [DevBW] and [DevCL] */ |
| struct { |
| GLuint binding_table_index:8; |
| GLuint sampler:4; |
| GLuint return_format:2; |
| GLuint msg_type:2; |
| GLuint response_length:4; |
| GLuint msg_length:4; |
| GLuint msg_target:4; |
| GLuint pad1:3; |
| GLuint end_of_thread:1; |
| } sampler; |
| |
| /** G45 PRM, Volume 4, Section 4.8.1.1.2 [DevCTG] */ |
| struct { |
| GLuint binding_table_index:8; |
| GLuint sampler:4; |
| GLuint msg_type:4; |
| GLuint response_length:4; |
| GLuint msg_length:4; |
| GLuint msg_target:4; |
| GLuint pad1:3; |
| GLuint end_of_thread:1; |
| } sampler_g4x; |
| |
| /** Ironlake PRM, Volume 4 Part 1, Section 4.11.1.1.3 */ |
| struct { |
| GLuint binding_table_index:8; |
| GLuint sampler:4; |
| GLuint msg_type:4; |
| GLuint simd_mode:2; |
| GLuint pad0:1; |
| GLuint header_present:1; |
| GLuint response_length:5; |
| GLuint msg_length:4; |
| GLuint pad1:2; |
| GLuint end_of_thread:1; |
| } sampler_gen5; |
| |
| struct { |
| GLuint binding_table_index:8; |
| GLuint sampler:4; |
| GLuint msg_type:5; |
| GLuint simd_mode:2; |
| GLuint header_present:1; |
| GLuint response_length:5; |
| GLuint msg_length:4; |
| GLuint pad1:2; |
| GLuint end_of_thread:1; |
| } sampler_gen7; |
| |
| struct brw_urb_immediate urb; |
| |
| struct { |
| GLuint opcode:4; |
| GLuint offset:6; |
| GLuint swizzle_control:2; |
| GLuint pad:1; |
| GLuint allocate:1; |
| GLuint used:1; |
| GLuint complete:1; |
| GLuint pad0:3; |
| GLuint header_present:1; |
| GLuint response_length:5; |
| GLuint msg_length:4; |
| GLuint pad1:2; |
| GLuint end_of_thread:1; |
| } urb_gen5; |
| |
| struct { |
| GLuint opcode:3; |
| GLuint offset:11; |
| GLuint swizzle_control:1; |
| GLuint complete:1; |
| GLuint per_slot_offset:1; |
| GLuint pad0:2; |
| GLuint header_present:1; |
| GLuint response_length:5; |
| GLuint msg_length:4; |
| GLuint pad1:2; |
| GLuint end_of_thread:1; |
| } urb_gen7; |
| |
| struct { |
| GLuint binding_table_index:8; |
| GLuint search_path_index:3; |
| GLuint lut_subindex:2; |
| GLuint message_type:2; |
| GLuint pad0:4; |
| GLuint header_present:1; |
| } vme_gen6; |
| |
| struct { |
| GLuint binding_table_index:8; |
| GLuint pad0:5; |
| GLuint message_type:2; |
| GLuint pad1:4; |
| GLuint header_present:1; |
| } cre_gen75; |
| |
| /** 965 PRM, Volume 4, Section 5.10.1.1: Message Descriptor */ |
| struct { |
| GLuint binding_table_index:8; |
| GLuint msg_control:4; |
| GLuint msg_type:2; |
| GLuint target_cache:2; |
| GLuint response_length:4; |
| GLuint msg_length:4; |
| GLuint msg_target:4; |
| GLuint pad1:3; |
| GLuint end_of_thread:1; |
| } dp_read; |
| |
| /** G45 PRM, Volume 4, Section 5.10.1.1.2 */ |
| struct { |
| GLuint binding_table_index:8; |
| GLuint msg_control:3; |
| GLuint msg_type:3; |
| GLuint target_cache:2; |
| GLuint response_length:4; |
| GLuint msg_length:4; |
| GLuint msg_target:4; |
| GLuint pad1:3; |
| GLuint end_of_thread:1; |
| } dp_read_g4x; |
| |
| /** Ironlake PRM, Volume 4 Part 1, Section 5.10.2.1.2. */ |
| struct { |
| GLuint binding_table_index:8; |
| GLuint msg_control:4; |
| GLuint msg_type:2; |
| GLuint target_cache:2; |
| GLuint pad0:3; |
| GLuint header_present:1; |
| GLuint response_length:5; |
| GLuint msg_length:4; |
| GLuint pad1:2; |
| GLuint end_of_thread:1; |
| } dp_read_gen5; |
| |
| /** G45 PRM, Volume 4, Section 5.10.1.1.2. For both Gen4 and G45. */ |
| struct { |
| GLuint binding_table_index:8; |
| GLuint msg_control:3; |
| GLuint last_render_target:1; |
| GLuint msg_type:3; |
| GLuint send_commit_msg:1; |
| GLuint response_length:4; |
| GLuint msg_length:4; |
| GLuint msg_target:4; |
| GLuint pad1:3; |
| GLuint end_of_thread:1; |
| } dp_write; |
| |
| /** Ironlake PRM, Volume 4 Part 1, Section 5.10.2.1.2. */ |
| struct { |
| GLuint binding_table_index:8; |
| GLuint msg_control:3; |
| GLuint last_render_target:1; |
| GLuint msg_type:3; |
| GLuint send_commit_msg:1; |
| GLuint pad0:3; |
| GLuint header_present:1; |
| GLuint response_length:5; |
| GLuint msg_length:4; |
| GLuint pad1:2; |
| GLuint end_of_thread:1; |
| } dp_write_gen5; |
| |
| /** |
| * Message for the Sandybridge Sampler Cache or Constant Cache Data Port. |
| * |
| * See the Sandybridge PRM, Volume 4 Part 1, Section 3.9.2.1.1. |
| **/ |
| struct { |
| GLuint binding_table_index:8; |
| GLuint msg_control:5; |
| GLuint msg_type:3; |
| GLuint pad0:3; |
| GLuint header_present:1; |
| GLuint response_length:5; |
| GLuint msg_length:4; |
| GLuint pad1:2; |
| GLuint end_of_thread:1; |
| } gen6_dp_sampler_const_cache; |
| |
| /** |
| * Message for the Sandybridge Render Cache Data Port. |
| * |
| * Most fields are defined in the Sandybridge PRM, Volume 4 Part 1, |
| * Section 3.9.2.1.1: Message Descriptor. |
| * |
| * "Slot Group Select" and "Last Render Target" are part of the |
| * 5-bit message control for Render Target Write messages. See |
| * Section 3.9.9.2.1 of the same volume. |
| */ |
| struct { |
| GLuint binding_table_index:8; |
| GLuint msg_control:5; |
| GLuint msg_type:4; |
| GLuint send_commit_msg:1; |
| GLuint pad0:1; |
| GLuint header_present:1; |
| GLuint response_length:5; |
| GLuint msg_length:4; |
| GLuint pad1:2; |
| GLuint end_of_thread:1; |
| } gen6_dp; |
| |
| /** |
| * Message for any of the Gen7 Data Port caches. |
| * |
| * Most fields are defined in BSpec volume 5c.2 Data Port / Messages / |
| * Data Port Messages / Message Descriptor. Once again, "Slot Group |
| * Select" and "Last Render Target" are part of the 6-bit message |
| * control for Render Target Writes. |
| */ |
| struct { |
| GLuint binding_table_index:8; |
| GLuint msg_control:6; |
| GLuint msg_type:4; |
| GLuint category:1; |
| GLuint header_present:1; |
| GLuint response_length:5; |
| GLuint msg_length:4; |
| GLuint pad2:2; |
| GLuint end_of_thread:1; |
| } gen7_dp; |
| /** @} */ |
| |
| struct { |
| GLuint src1_subreg_nr_high:1; |
| GLuint src1_reg_nr:8; |
| GLuint pad0:1; |
| GLuint src2_rep_ctrl:1; |
| GLuint src2_swizzle:8; |
| GLuint src2_subreg_nr:3; |
| GLuint src2_reg_nr:8; |
| GLuint pad1:2; |
| } da3src; |
| |
| GLint d; |
| GLuint ud; |
| float f; |
| } bits3; |
| }; |
| |
| struct brw_compact_instruction { |
| struct { |
| unsigned opcode:7; /* 0- 6 */ |
| unsigned debug_control:1; /* 7- 7 */ |
| unsigned control_index:5; /* 8-12 */ |
| unsigned data_type_index:5; /* 13-17 */ |
| unsigned sub_reg_index:5; /* 18-22 */ |
| unsigned acc_wr_control:1; /* 23-23 */ |
| unsigned conditionalmod:4; /* 24-27 */ |
| unsigned flag_subreg_nr:1; /* 28-28 */ |
| unsigned cmpt_ctrl:1; /* 29-29 */ |
| unsigned src0_index:2; /* 30-31 */ |
| } dw0; |
| |
| struct { |
| unsigned src0_index:3; /* 32-24 */ |
| unsigned src1_index:5; /* 35-39 */ |
| unsigned dst_reg_nr:8; /* 40-47 */ |
| unsigned src0_reg_nr:8; /* 48-55 */ |
| unsigned src1_reg_nr:8; /* 56-63 */ |
| } dw1; |
| }; |
| |
| #endif |