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diff --git a/src/drm/cairo-drm-intel-brw-structs.h b/src/drm/cairo-drm-intel-brw-structs.h
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+/**************************************************************************
+ *
+ * Copyright 2005 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * 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, sub license, 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 NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS 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.
+ *
+ **************************************************************************/
+
+#ifndef CAIRO_DRM_INTEL_BRW_STRUCTS_H
+#define CAIRO_DRM_INTEL_BRW_STRUCTS_H
+
+#include "cairo-types-private.h"
+
+/* Command packets:
+*/
+struct header {
+ unsigned int length:16;
+ unsigned int opcode:16;
+};
+
+union header_union {
+ struct header bits;
+ unsigned int dword;
+};
+
+struct brw_3d_control {
+ struct {
+ unsigned int length:8;
+ unsigned int notify_enable:1;
+ unsigned int pad:3;
+ unsigned int wc_flush_enable:1;
+ unsigned int depth_stall_enable:1;
+ unsigned int operation:2;
+ unsigned int opcode:16;
+ } header;
+
+ struct {
+ unsigned int pad:2;
+ unsigned int dest_addr_type:1;
+ unsigned int dest_addr:29;
+ } dest;
+
+ unsigned int dword2;
+ unsigned int dword3;
+};
+
+
+struct brw_3d_primitive {
+ struct {
+ unsigned int length:8;
+ unsigned int pad:2;
+ unsigned int topology:5;
+ unsigned int indexed:1;
+ unsigned int opcode:16;
+ } header;
+
+ unsigned int verts_per_instance;
+ unsigned int start_vert_location;
+ unsigned int instance_count;
+ unsigned int start_instance_location;
+ unsigned int base_vert_location;
+};
+
+/* 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_mi_flush {
+ unsigned int flags:4;
+ unsigned int pad:12;
+ unsigned int opcode:16;
+};
+
+struct brw_vf_statistics {
+ unsigned int statistics_enable:1;
+ unsigned int pad:15;
+ unsigned int opcode:16;
+};
+
+
+struct brw_binding_table_pointers {
+ struct header header;
+ unsigned int vs;
+ unsigned int gs;
+ unsigned int clp;
+ unsigned int sf;
+ unsigned int wm;
+};
+
+struct brw_blend_constant_color {
+ struct header header;
+ float blend_constant_color[4];
+};
+
+struct brw_depthbuffer {
+ union header_union header;
+
+ union {
+ struct {
+ unsigned int pitch:18;
+ unsigned int format:3;
+ unsigned int pad:4;
+ unsigned int depth_offset_disable:1;
+ unsigned int tile_walk:1;
+ unsigned int tiled_surface:1;
+ unsigned int pad2:1;
+ unsigned int surface_type:3;
+ } bits;
+ unsigned int dword;
+ } dword1;
+
+ unsigned int dword2_base_addr;
+
+ union {
+ struct {
+ unsigned int pad:1;
+ unsigned int mipmap_layout:1;
+ unsigned int lod:4;
+ unsigned int width:13;
+ unsigned int height:13;
+ } bits;
+ unsigned int dword;
+ } dword3;
+
+ union {
+ struct {
+ unsigned int pad:12;
+ unsigned int min_array_element:9;
+ unsigned int depth:11;
+ } bits;
+ unsigned int dword;
+ } dword4;
+};
+
+struct brw_drawrect {
+ struct header header;
+ unsigned int xmin:16;
+ unsigned int ymin:16;
+ unsigned int xmax:16;
+ unsigned int ymax:16;
+ unsigned int xorg:16;
+ unsigned int yorg:16;
+};
+
+struct brw_global_depth_offset_clamp {
+ struct header header;
+ float depth_offset_clamp;
+};
+
+struct brw_indexbuffer {
+ union {
+ struct {
+ unsigned int length:8;
+ unsigned int index_format:2;
+ unsigned int cut_index_enable:1;
+ unsigned int pad:5;
+ unsigned int opcode:16;
+ } bits;
+ unsigned int dword;
+ } header;
+ unsigned int buffer_start;
+ unsigned int buffer_end;
+};
+
+
+struct brw_line_stipple {
+ struct header header;
+
+ struct {
+ unsigned int pattern:16;
+ unsigned int pad:16;
+ } bits0;
+
+ struct {
+ unsigned int repeat_count:9;
+ unsigned int pad:7;
+ unsigned int inverse_repeat_count:16;
+ } bits1;
+};
+
+struct brw_pipelined_state_pointers {
+ struct header header;
+
+ struct {
+ unsigned int pad:5;
+ unsigned int offset:27;
+ } vs;
+
+ struct {
+ unsigned int enable:1;
+ unsigned int pad:4;
+ unsigned int offset:27;
+ } gs;
+
+ struct {
+ unsigned int enable:1;
+ unsigned int pad:4;
+ unsigned int offset:27;
+ } clp;
+
+ struct {
+ unsigned int pad:5;
+ unsigned int offset:27;
+ } sf;
+
+ struct {
+ unsigned int pad:5;
+ unsigned int offset:27;
+ } wm;
+
+ struct {
+ unsigned int pad:6;
+ unsigned int offset:26;
+ } cc;
+};
+
+struct brw_polygon_stipple_offset {
+ struct header header;
+
+ struct {
+ unsigned int y_offset:5;
+ unsigned int pad:3;
+ unsigned int x_offset:5;
+ unsigned int pad0:19;
+ } bits0;
+};
+
+struct brw_polygon_stipple {
+ struct header header;
+ unsigned int stipple[32];
+};
+
+struct brw_pipeline_select {
+ struct {
+ unsigned int pipeline_select:1;
+ unsigned int pad:15;
+ unsigned int opcode:16;
+ } header;
+};
+
+struct brw_pipe_control {
+ struct {
+ unsigned int length:8;
+ unsigned int notify_enable:1;
+ unsigned int pad:2;
+ unsigned int instruction_state_cache_flush_enable:1;
+ unsigned int write_cache_flush_enable:1;
+ unsigned int depth_stall_enable:1;
+ unsigned int post_sync_operation:2;
+
+ unsigned int opcode:16;
+ } header;
+
+ struct {
+ unsigned int pad:2;
+ unsigned int dest_addr_type:1;
+ unsigned int dest_addr:29;
+ } bits1;
+
+ unsigned int data0;
+ unsigned int data1;
+};
+
+
+struct brw_urb_fence {
+ struct {
+ unsigned int length:8;
+ unsigned int vs_realloc:1;
+ unsigned int gs_realloc:1;
+ unsigned int clp_realloc:1;
+ unsigned int sf_realloc:1;
+ unsigned int vfe_realloc:1;
+ unsigned int cs_realloc:1;
+ unsigned int pad:2;
+ unsigned int opcode:16;
+ } header;
+
+ struct {
+ unsigned int vs_fence:10;
+ unsigned int gs_fence:10;
+ unsigned int clp_fence:10;
+ unsigned int pad:2;
+ } bits0;
+
+ struct {
+ unsigned int sf_fence:10;
+ unsigned int vf_fence:10;
+ unsigned int cs_fence:10;
+ unsigned int pad:2;
+ } bits1;
+};
+
+struct brw_constant_buffer_state {
+ struct header header;
+
+ struct {
+ unsigned int nr_urb_entries:3;
+ unsigned int pad:1;
+ unsigned int urb_entry_size:5;
+ unsigned int pad0:23;
+ } bits0;
+};
+
+struct brw_constant_buffer {
+ struct {
+ unsigned int length:8;
+ unsigned int valid:1;
+ unsigned int pad:7;
+ unsigned int opcode:16;
+ } header;
+
+ struct {
+ unsigned int buffer_length:6;
+ unsigned int buffer_address:26;
+ } bits0;
+};
+
+struct brw_state_base_address {
+ struct header header;
+
+ struct {
+ unsigned int modify_enable:1;
+ unsigned int pad:4;
+ unsigned int general_state_address:27;
+ } bits0;
+
+ struct {
+ unsigned int modify_enable:1;
+ unsigned int pad:4;
+ unsigned int surface_state_address:27;
+ } bits1;
+
+ struct {
+ unsigned int modify_enable:1;
+ unsigned int pad:4;
+ unsigned int indirect_object_state_address:27;
+ } bits2;
+
+ struct {
+ unsigned int modify_enable:1;
+ unsigned int pad:11;
+ unsigned int general_state_upper_bound:20;
+ } bits3;
+
+ struct {
+ unsigned int modify_enable:1;
+ unsigned int pad:11;
+ unsigned int indirect_object_state_upper_bound:20;
+ } bits4;
+};
+
+struct brw_state_prefetch {
+ struct header header;
+
+ struct {
+ unsigned int prefetch_count:3;
+ unsigned int pad:3;
+ unsigned int prefetch_pointer:26;
+ } bits0;
+};
+
+struct brw_system_instruction_pointer {
+ struct header header;
+
+ struct {
+ unsigned int pad:4;
+ unsigned int system_instruction_pointer:28;
+ } bits0;
+};
+
+
+/* State structs for the various fixed function units:
+*/
+
+struct thread0 {
+ unsigned int pad0:1;
+ unsigned int grf_reg_count:3;
+ unsigned int pad1:2;
+ unsigned int kernel_start_pointer:26;
+};
+
+struct thread1 {
+ unsigned int ext_halt_exception_enable:1;
+ unsigned int sw_exception_enable:1;
+ unsigned int mask_stack_exception_enable:1;
+ unsigned int timeout_exception_enable:1;
+ unsigned int illegal_op_exception_enable:1;
+ unsigned int pad0:3;
+ unsigned int depth_coef_urb_read_offset:6; /* WM only */
+ unsigned int pad1:2;
+ unsigned int floating_point_mode:1;
+ unsigned int thread_priority:1;
+ unsigned int binding_table_entry_count:8;
+ unsigned int pad3:5;
+ unsigned int single_program_flow:1;
+};
+
+struct thread2 {
+ unsigned int per_thread_scratch_space:4;
+ unsigned int pad0:6;
+ unsigned int scratch_space_base_pointer:22;
+};
+
+struct thread3 {
+ unsigned int dispatch_grf_start_reg:4;
+ unsigned int urb_entry_read_offset:6;
+ unsigned int pad0:1;
+ unsigned int urb_entry_read_length:6;
+ unsigned int pad1:1;
+ unsigned int const_urb_entry_read_offset:6;
+ unsigned int pad2:1;
+ unsigned int const_urb_entry_read_length:6;
+ unsigned int pad3:1;
+};
+
+struct brw_clip_unit_state {
+ struct thread0 thread0;
+ struct thread1 thread1;
+ struct thread2 thread2;
+ struct thread3 thread3;
+
+ struct {
+ unsigned int pad0:9;
+ unsigned int gs_output_stats:1; /* not always */
+ unsigned int stats_enable:1;
+ unsigned int nr_urb_entries:7;
+ unsigned int pad1:1;
+ unsigned int urb_entry_allocation_size:5;
+ unsigned int pad2:1;
+ unsigned int max_threads:6; /* may be less */
+ unsigned int pad3:1;
+ } thread4;
+
+ struct {
+ unsigned int pad0:13;
+ unsigned int clip_mode:3;
+ unsigned int userclip_enable_flags:8;
+ unsigned int userclip_must_clip:1;
+ unsigned int pad1:1;
+ unsigned int guard_band_enable:1;
+ unsigned int viewport_z_clip_enable:1;
+ unsigned int viewport_xy_clip_enable:1;
+ unsigned int vertex_position_space:1;
+ unsigned int api_mode:1;
+ unsigned int pad2:1;
+ } clip5;
+
+ struct {
+ unsigned int pad0:5;
+ unsigned int clipper_viewport_state_ptr:27;
+ } clip6;
+
+ float viewport_xmin;
+ float viewport_xmax;
+ float viewport_ymin;
+ float viewport_ymax;
+};
+
+struct brw_cc_unit_state {
+ struct {
+ unsigned int pad0:3;
+ unsigned int bf_stencil_pass_depth_pass_op:3;
+ unsigned int bf_stencil_pass_depth_fail_op:3;
+ unsigned int bf_stencil_fail_op:3;
+ unsigned int bf_stencil_func:3;
+ unsigned int bf_stencil_enable:1;
+ unsigned int pad1:2;
+ unsigned int stencil_write_enable:1;
+ unsigned int stencil_pass_depth_pass_op:3;
+ unsigned int stencil_pass_depth_fail_op:3;
+ unsigned int stencil_fail_op:3;
+ unsigned int stencil_func:3;
+ unsigned int stencil_enable:1;
+ } cc0;
+
+ struct {
+ unsigned int bf_stencil_ref:8;
+ unsigned int stencil_write_mask:8;
+ unsigned int stencil_test_mask:8;
+ unsigned int stencil_ref:8;
+ } cc1;
+
+ struct {
+ unsigned int logicop_enable:1;
+ unsigned int pad0:10;
+ unsigned int depth_write_enable:1;
+ unsigned int depth_test_function:3;
+ unsigned int depth_test:1;
+ unsigned int bf_stencil_write_mask:8;
+ unsigned int bf_stencil_test_mask:8;
+ } cc2;
+
+ struct {
+ unsigned int pad0:8;
+ unsigned int alpha_test_func:3;
+ unsigned int alpha_test:1;
+ unsigned int blend_enable:1;
+ unsigned int ia_blend_enable:1;
+ unsigned int pad1:1;
+ unsigned int alpha_test_format:1;
+ unsigned int pad2:16;
+ } cc3;
+
+ struct {
+ unsigned int pad0:5;
+ unsigned int cc_viewport_state_offset:27;
+ } cc4;
+
+ struct {
+ unsigned int pad0:2;
+ unsigned int ia_dest_blend_factor:5;
+ unsigned int ia_src_blend_factor:5;
+ unsigned int ia_blend_function:3;
+ unsigned int statistics_enable:1;
+ unsigned int logicop_func:4;
+ unsigned int pad1:11;
+ unsigned int dither_enable:1;
+ } cc5;
+
+ struct {
+ unsigned int clamp_post_alpha_blend:1;
+ unsigned int clamp_pre_alpha_blend:1;
+ unsigned int clamp_range:2;
+ unsigned int pad0:11;
+ unsigned int y_dither_offset:2;
+ unsigned int x_dither_offset:2;
+ unsigned int dest_blend_factor:5;
+ unsigned int src_blend_factor:5;
+ unsigned int blend_function:3;
+ } cc6;
+
+ struct {
+ union {
+ float f;
+ unsigned char ub[4];
+ } alpha_ref;
+ } cc7;
+};
+
+struct brw_sf_unit_state {
+ struct thread0 thread0;
+ struct {
+ unsigned int pad0:7;
+ unsigned int sw_exception_enable:1;
+ unsigned int pad1:3;
+ unsigned int mask_stack_exception_enable:1;
+ unsigned int pad2:1;
+ unsigned int illegal_op_exception_enable:1;
+ unsigned int pad3:2;
+ unsigned int floating_point_mode:1;
+ unsigned int thread_priority:1;
+ unsigned int binding_table_entry_count:8;
+ unsigned int pad4:5;
+ unsigned int single_program_flow:1;
+ } sf1;
+
+ struct thread2 thread2;
+ struct thread3 thread3;
+
+ struct {
+ unsigned int pad0:10;
+ unsigned int stats_enable:1;
+ unsigned int nr_urb_entries:7;
+ unsigned int pad1:1;
+ unsigned int urb_entry_allocation_size:5;
+ unsigned int pad2:1;
+ unsigned int max_threads:6;
+ unsigned int pad3:1;
+ } thread4;
+
+ struct {
+ unsigned int front_winding:1;
+ unsigned int viewport_transform:1;
+ unsigned int pad0:3;
+ unsigned int sf_viewport_state_offset:27;
+ } sf5;
+
+ struct {
+ unsigned int pad0:9;
+ unsigned int dest_org_vbias:4;
+ unsigned int dest_org_hbias:4;
+ unsigned int scissor:1;
+ unsigned int disable_2x2_trifilter:1;
+ unsigned int disable_zero_pix_trifilter:1;
+ unsigned int point_rast_rule:2;
+ unsigned int line_endcap_aa_region_width:2;
+ unsigned int line_width:4;
+ unsigned int fast_scissor_disable:1;
+ unsigned int cull_mode:2;
+ unsigned int aa_enable:1;
+ } sf6;
+
+ struct {
+ unsigned int point_size:11;
+ unsigned int use_point_size_state:1;
+ unsigned int subpixel_precision:1;
+ unsigned int sprite_point:1;
+ unsigned int pad0:11;
+ unsigned int trifan_pv:2;
+ unsigned int linestrip_pv:2;
+ unsigned int tristrip_pv:2;
+ unsigned int line_last_pixel_enable:1;
+ } sf7;
+};
+
+struct brw_gs_unit_state {
+ struct thread0 thread0;
+ struct thread1 thread1;
+ struct thread2 thread2;
+ struct thread3 thread3;
+
+ struct {
+ unsigned int pad0:10;
+ unsigned int stats_enable:1;
+ unsigned int nr_urb_entries:7;
+ unsigned int pad1:1;
+ unsigned int urb_entry_allocation_size:5;
+ unsigned int pad2:1;
+ unsigned int max_threads:1;
+ unsigned int pad3:6;
+ } thread4;
+
+ struct {
+ unsigned int sampler_count:3;
+ unsigned int pad0:2;
+ unsigned int sampler_state_pointer:27;
+ } gs5;
+
+ struct {
+ unsigned int max_vp_index:4;
+ unsigned int pad0:26;
+ unsigned int reorder_enable:1;
+ unsigned int pad1:1;
+ } gs6;
+};
+
+struct brw_vs_unit_state {
+ struct thread0 thread0;
+ struct thread1 thread1;
+ struct thread2 thread2;
+ struct thread3 thread3;
+
+ struct {
+ unsigned int pad0:10;
+ unsigned int stats_enable:1;
+ unsigned int nr_urb_entries:7;
+ unsigned int pad1:1;
+ unsigned int urb_entry_allocation_size:5;
+ unsigned int pad2:1;
+ unsigned int max_threads:4;
+ unsigned int pad3:3;
+ } thread4;
+
+ struct {
+ unsigned int sampler_count:3;
+ unsigned int pad0:2;
+ unsigned int sampler_state_pointer:27;
+ } vs5;
+
+ struct {
+ unsigned int vs_enable:1;
+ unsigned int vert_cache_disable:1;
+ unsigned int pad0:30;
+ } vs6;
+};
+
+struct brw_wm_unit_state {
+ struct thread0 thread0;
+ struct thread1 thread1;
+ struct thread2 thread2;
+ struct thread3 thread3;
+
+ struct {
+ unsigned int stats_enable:1;
+ unsigned int pad0:1;
+ unsigned int sampler_count:3;
+ unsigned int sampler_state_pointer:27;
+ } wm4;
+
+ struct {
+ unsigned int enable_8_pix:1;
+ unsigned int enable_16_pix:1;
+ unsigned int enable_32_pix:1;
+ unsigned int pad0:7;
+ unsigned int legacy_global_depth_bias:1;
+ unsigned int line_stipple:1;
+ unsigned int depth_offset:1;
+ unsigned int polygon_stipple:1;
+ unsigned int line_aa_region_width:2;
+ unsigned int line_endcap_aa_region_width:2;
+ unsigned int early_depth_test:1;
+ unsigned int thread_dispatch_enable:1;
+ unsigned int program_uses_depth:1;
+ unsigned int program_computes_depth:1;
+ unsigned int program_uses_killpixel:1;
+ unsigned int legacy_line_rast: 1;
+ unsigned int transposed_urb_read:1;
+ unsigned int max_threads:7;
+ } wm5;
+
+ float global_depth_offset_constant;
+ float global_depth_offset_scale;
+};
+
+/* The hardware supports two different modes for border color. The
+ * default (OpenGL) mode uses floating-point color channels, while the
+ * legacy mode uses 4 bytes.
+ *
+ * More significantly, the legacy mode respects the components of the
+ * border color for channels not present in the source, (whereas the
+ * default mode will ignore the border color's alpha channel and use
+ * alpha==1 for an RGB source, for example).
+ *
+ * The legacy mode matches the semantics specified by the Render
+ * extension.
+ */
+struct brw_sampler_default_border_color {
+ float color[4];
+};
+
+struct brw_sampler_legacy_border_color {
+ uint8_t color[4];
+};
+
+struct brw_sampler_state {
+ struct {
+ unsigned int shadow_function:3;
+ unsigned int lod_bias:11;
+ unsigned int min_filter:3;
+ unsigned int mag_filter:3;
+ unsigned int mip_filter:2;
+ unsigned int base_level:5;
+ unsigned int pad:1;
+ unsigned int lod_preclamp:1;
+ unsigned int border_color_mode:1;
+ unsigned int pad0:1;
+ unsigned int disable:1;
+ } ss0;
+
+ struct {
+ unsigned int r_wrap_mode:3;
+ unsigned int t_wrap_mode:3;
+ unsigned int s_wrap_mode:3;
+ unsigned int pad:3;
+ unsigned int max_lod:10;
+ unsigned int min_lod:10;
+ } ss1;
+
+ struct {
+ unsigned int pad:5;
+ unsigned int border_color_pointer:27;
+ } ss2;
+
+ struct {
+ unsigned int pad:19;
+ unsigned int max_aniso:3;
+ unsigned int chroma_key_mode:1;
+ unsigned int chroma_key_index:2;
+ unsigned int chroma_key_enable:1;
+ unsigned int monochrome_filter_width:3;
+ unsigned int monochrome_filter_height:3;
+ } ss3;
+};
+
+struct brw_clipper_viewport {
+ float xmin;
+ float xmax;
+ float ymin;
+ float ymax;
+};
+
+struct brw_cc_viewport {
+ float min_depth;
+ float max_depth;
+};
+
+struct brw_sf_viewport {
+ struct {
+ float m00;
+ float m11;
+ float m22;
+ float m30;
+ float m31;
+ float m32;
+ } viewport;
+
+ struct {
+ short xmin;
+ short ymin;
+ short xmax;
+ short ymax;
+ } scissor;
+};
+
+/* Documented in the subsystem/shared-functions/sampler chapter...
+*/
+struct brw_surface_state {
+ struct {
+ unsigned int cube_pos_z:1;
+ unsigned int cube_neg_z:1;
+ unsigned int cube_pos_y:1;
+ unsigned int cube_neg_y:1;
+ unsigned int cube_pos_x:1;
+ unsigned int cube_neg_x:1;
+ unsigned int pad:3;
+ unsigned int render_cache_read_mode:1;
+ unsigned int mipmap_layout_mode:1;
+ unsigned int vert_line_stride_ofs:1;
+ unsigned int vert_line_stride:1;
+ unsigned int color_blend:1;
+ unsigned int writedisable_blue:1;
+ unsigned int writedisable_green:1;
+ unsigned int writedisable_red:1;
+ unsigned int writedisable_alpha:1;
+ unsigned int surface_format:9;
+ unsigned int data_return_format:1;
+ unsigned int pad0:1;
+ unsigned int surface_type:3;
+ } ss0;
+
+ struct {
+ unsigned int base_addr;
+ } ss1;
+
+ struct {
+ unsigned int render_target_rotation:2;
+ unsigned int mip_count:4;
+ unsigned int width:13;
+ unsigned int height:13;
+ } ss2;
+
+ struct {
+ unsigned int tile_walk:1;
+ unsigned int tiled_surface:1;
+ unsigned int pad:1;
+ unsigned int pitch:18;
+ unsigned int depth:11;
+ } ss3;
+
+ struct {
+ unsigned int pad:19;
+ unsigned int min_array_elt:9;
+ unsigned int min_lod:4;
+ } ss4;
+
+ struct {
+ unsigned int pad:20;
+ unsigned int y_offset:4;
+ unsigned int pad2:1;
+ unsigned int x_offset:7;
+ } ss5;
+};
+
+struct brw_vertex_buffer_state {
+ struct {
+ unsigned int pitch:11;
+ unsigned int pad:15;
+ unsigned int access_type:1;
+ unsigned int vb_index:5;
+ } vb0;
+
+ unsigned int start_addr;
+ unsigned int max_index;
+#if 1
+ unsigned int instance_data_step_rate; /* not included for sequential/random vertices? */
+#endif
+};
+
+#define BRW_VBP_MAX 17
+
+struct brw_vb_array_state {
+ struct header header;
+ struct brw_vertex_buffer_state vb[BRW_VBP_MAX];
+};
+
+struct brw_vertex_element_state {
+ struct {
+ unsigned int src_offset:11;
+ unsigned int pad:5;
+ unsigned int src_format:9;
+ unsigned int pad0:1;
+ unsigned int valid:1;
+ unsigned int vertex_buffer_index:5;
+ } ve0;
+
+ struct {
+ unsigned int dst_offset:8;
+ unsigned int pad:8;
+ unsigned int vfcomponent3:4;
+ unsigned int vfcomponent2:4;
+ unsigned int vfcomponent1:4;
+ unsigned int vfcomponent0:4;
+ } ve1;
+};
+
+#define BRW_VEP_MAX 18
+
+struct brw_vertex_element_packet {
+ struct header header;
+ struct brw_vertex_element_state ve[BRW_VEP_MAX];
+};
+
+struct brw_urb_immediate {
+ unsigned int opcode:4;
+ unsigned int offset:6;
+ unsigned int swizzle_control:2;
+ unsigned int pad:1;
+ unsigned int allocate:1;
+ unsigned int used:1;
+ unsigned int complete:1;
+ unsigned int response_length:4;
+ unsigned int msg_length:4;
+ unsigned int msg_target:4;
+ unsigned int pad1:3;
+ unsigned int end_of_thread:1;
+};
+
+/* Instruction format for the execution units: */
+
+struct brw_instruction {
+ struct {
+ unsigned int opcode:7;
+ unsigned int pad:1;
+ unsigned int access_mode:1;
+ unsigned int mask_control:1;
+ unsigned int dependency_control:2;
+ unsigned int compression_control:2;
+ unsigned int thread_control:2;
+ unsigned int predicate_control:4;
+ unsigned int predicate_inverse:1;
+ unsigned int execution_size:3;
+ unsigned int destreg__conditonalmod:4; /* destreg - send, conditionalmod - others */
+ unsigned int pad0:2;
+ unsigned int debug_control:1;
+ unsigned int saturate:1;
+ } header;
+
+ union {
+ struct {
+ unsigned int dest_reg_file:2;
+ unsigned int dest_reg_type:3;
+ unsigned int src0_reg_file:2;
+ unsigned int src0_reg_type:3;
+ unsigned int src1_reg_file:2;
+ unsigned int src1_reg_type:3;
+ unsigned int pad:1;
+ unsigned int dest_subreg_nr:5;
+ unsigned int dest_reg_nr:8;
+ unsigned int dest_horiz_stride:2;
+ unsigned int dest_address_mode:1;
+ } da1;
+
+ struct {
+ unsigned int dest_reg_file:2;
+ unsigned int dest_reg_type:3;
+ unsigned int src0_reg_file:2;
+ unsigned int src0_reg_type:3;
+ unsigned int pad:6;
+ int dest_indirect_offset:10; /* offset against the deref'd address reg */
+ unsigned int dest_subreg_nr:3; /* subnr for the address reg a0.x */
+ unsigned int dest_horiz_stride:2;
+ unsigned int dest_address_mode:1;
+ } ia1;
+
+ struct {
+ unsigned int dest_reg_file:2;
+ unsigned int dest_reg_type:3;
+ unsigned int src0_reg_file:2;
+ unsigned int src0_reg_type:3;
+ unsigned int src1_reg_file:2;
+ unsigned int src1_reg_type:3;
+ unsigned int pad0:1;
+ unsigned int dest_writemask:4;
+ unsigned int dest_subreg_nr:1;
+ unsigned int dest_reg_nr:8;
+ unsigned int pad1:2;
+ unsigned int dest_address_mode:1;
+ } da16;
+
+ struct {
+ unsigned int dest_reg_file:2;
+ unsigned int dest_reg_type:3;
+ unsigned int src0_reg_file:2;
+ unsigned int src0_reg_type:3;
+ unsigned int pad0:6;
+ unsigned int dest_writemask:4;
+ int dest_indirect_offset:6;
+ unsigned int dest_subreg_nr:3;
+ unsigned int pad1:2;
+ unsigned int dest_address_mode:1;
+ } ia16;
+ } bits1;
+
+
+ union {
+ struct {
+ unsigned int src0_subreg_nr:5;
+ unsigned int src0_reg_nr:8;
+ unsigned int src0_abs:1;
+ unsigned int src0_negate:1;
+ unsigned int src0_address_mode:1;
+ unsigned int src0_horiz_stride:2;
+ unsigned int src0_width:3;
+ unsigned int src0_vert_stride:4;
+ unsigned int flag_reg_nr:1;
+ unsigned int pad:6;
+ } da1;
+
+ struct {
+ int src0_indirect_offset:10;
+ unsigned int src0_subreg_nr:3;
+ unsigned int src0_abs:1;
+ unsigned int src0_negate:1;
+ unsigned int src0_address_mode:1;
+ unsigned int src0_horiz_stride:2;
+ unsigned int src0_width:3;
+ unsigned int src0_vert_stride:4;
+ unsigned int flag_reg_nr:1;
+ unsigned int pad:6;
+ } ia1;
+
+ struct {
+ unsigned int src0_swz_x:2;
+ unsigned int src0_swz_y:2;
+ unsigned int src0_subreg_nr:1;
+ unsigned int src0_reg_nr:8;
+ unsigned int src0_abs:1;
+ unsigned int src0_negate:1;
+ unsigned int src0_address_mode:1;
+ unsigned int src0_swz_z:2;
+ unsigned int src0_swz_w:2;
+ unsigned int pad0:1;
+ unsigned int src0_vert_stride:4;
+ unsigned int flag_reg_nr:1;
+ unsigned int pad1:6;
+ } da16;
+
+ struct {
+ unsigned int src0_swz_x:2;
+ unsigned int src0_swz_y:2;
+ int src0_indirect_offset:6;
+ unsigned int src0_subreg_nr:3;
+ unsigned int src0_abs:1;
+ unsigned int src0_negate:1;
+ unsigned int src0_address_mode:1;
+ unsigned int src0_swz_z:2;
+ unsigned int src0_swz_w:2;
+ unsigned int pad0:1;
+ unsigned int src0_vert_stride:4;
+ unsigned int flag_reg_nr:1;
+ unsigned int pad1:6;
+ } ia16;
+
+ } bits2;
+
+ union {
+ struct {
+ unsigned int src1_subreg_nr:5;
+ unsigned int src1_reg_nr:8;
+ unsigned int src1_abs:1;
+ unsigned int src1_negate:1;
+ unsigned int pad:1;
+ unsigned int src1_horiz_stride:2;
+ unsigned int src1_width:3;
+ unsigned int src1_vert_stride:4;
+ unsigned int pad0:7;
+ } da1;
+
+ struct {
+ unsigned int src1_swz_x:2;
+ unsigned int src1_swz_y:2;
+ unsigned int src1_subreg_nr:1;
+ unsigned int src1_reg_nr:8;
+ unsigned int src1_abs:1;
+ unsigned int src1_negate:1;
+ unsigned int pad0:1;
+ unsigned int src1_swz_z:2;
+ unsigned int src1_swz_w:2;
+ unsigned int pad1:1;
+ unsigned int src1_vert_stride:4;
+ unsigned int pad2:7;
+ } da16;
+
+ struct {
+ int src1_indirect_offset:10;
+ unsigned int src1_subreg_nr:3;
+ unsigned int src1_abs:1;
+ unsigned int src1_negate:1;
+ unsigned int pad0:1;
+ unsigned int src1_horiz_stride:2;
+ unsigned int src1_width:3;
+ unsigned int src1_vert_stride:4;
+ unsigned int flag_reg_nr:1;
+ unsigned int pad1:6;
+ } ia1;
+
+ struct {
+ unsigned int src1_swz_x:2;
+ unsigned int src1_swz_y:2;
+ int src1_indirect_offset:6;
+ unsigned int src1_subreg_nr:3;
+ unsigned int src1_abs:1;
+ unsigned int src1_negate:1;
+ unsigned int pad0:1;
+ unsigned int src1_swz_z:2;
+ unsigned int src1_swz_w:2;
+ unsigned int pad1:1;
+ unsigned int src1_vert_stride:4;
+ unsigned int flag_reg_nr:1;
+ unsigned int pad2:6;
+ } ia16;
+
+ struct {
+ int jump_count:16; /* note: signed */
+ unsigned int pop_count:4;
+ unsigned int pad0:12;
+ } if_else;
+
+ struct {
+ unsigned int function:4;
+ unsigned int int_type:1;
+ unsigned int precision:1;
+ unsigned int saturate:1;
+ unsigned int data_type:1;
+ unsigned int pad0:8;
+ unsigned int response_length:4;
+ unsigned int msg_length:4;
+ unsigned int msg_target:4;
+ unsigned int pad1:3;
+ unsigned int end_of_thread:1;
+ } math;
+
+ struct {
+ unsigned int binding_table_index:8;
+ unsigned int sampler:4;
+ unsigned int return_format:2;
+ unsigned int msg_type:2;
+ unsigned int response_length:4;
+ unsigned int msg_length:4;
+ unsigned int msg_target:4;
+ unsigned int pad1:3;
+ unsigned int end_of_thread:1;
+ } sampler;
+
+ struct {
+ uint32_t binding_table_index:8;
+ uint32_t sampler:4;
+ uint32_t msg_type:4;
+ uint32_t response_length:4;
+ uint32_t msg_length:4;
+ uint32_t msg_target:4;
+ uint32_t pad1:3;
+ uint32_t end_of_thread:1;
+ } sampler_g4x;
+
+ struct brw_urb_immediate urb;
+
+ struct {
+ unsigned int binding_table_index:8;
+ unsigned int msg_control:4;
+ unsigned int msg_type:2;
+ unsigned int target_cache:2;
+ unsigned int response_length:4;
+ unsigned int msg_length:4;
+ unsigned int msg_target:4;
+ unsigned int pad1:3;
+ unsigned int end_of_thread:1;
+ } dp_read;
+
+ struct {
+ unsigned int binding_table_index:8;
+ unsigned int msg_control:3;
+ unsigned int pixel_scoreboard_clear:1;
+ unsigned int msg_type:3;
+ unsigned int send_commit_msg:1;
+ unsigned int response_length:4;
+ unsigned int msg_length:4;
+ unsigned int msg_target:4;
+ unsigned int pad1:3;
+ unsigned int end_of_thread:1;
+ } dp_write;
+
+ struct {
+ unsigned int pad:16;
+ unsigned int response_length:4;
+ unsigned int msg_length:4;
+ unsigned int msg_target:4;
+ unsigned int pad1:3;
+ unsigned int end_of_thread:1;
+ } generic;
+
+ uint32_t ud;
+ int32_t d;
+ } bits3;
+};
+
+/* media pipeline */
+
+struct brw_vfe_state {
+ struct {
+ unsigned int per_thread_scratch_space:4;
+ unsigned int pad3:3;
+ unsigned int extend_vfe_state_present:1;
+ unsigned int pad2:2;
+ unsigned int scratch_base:22;
+ } vfe0;
+
+ struct {
+ unsigned int debug_counter_control:2;
+ unsigned int children_present:1;
+ unsigned int vfe_mode:4;
+ unsigned int pad2:2;
+ unsigned int num_urb_entries:7;
+ unsigned int urb_entry_alloc_size:9;
+ unsigned int max_threads:7;
+ } vfe1;
+
+ struct {
+ unsigned int pad4:4;
+ unsigned int interface_descriptor_base:28;
+ } vfe2;
+};
+
+struct brw_vld_state {
+ struct {
+ unsigned int pad6:6;
+ unsigned int scan_order:1;
+ unsigned int intra_vlc_format:1;
+ unsigned int quantizer_scale_type:1;
+ unsigned int concealment_motion_vector:1;
+ unsigned int frame_predict_frame_dct:1;
+ unsigned int top_field_first:1;
+ unsigned int picture_structure:2;
+ unsigned int intra_dc_precision:2;
+ unsigned int f_code_0_0:4;
+ unsigned int f_code_0_1:4;
+ unsigned int f_code_1_0:4;
+ unsigned int f_code_1_1:4;
+ } vld0;
+
+ struct {
+ unsigned int pad2:9;
+ unsigned int picture_coding_type:2;
+ unsigned int pad:21;
+ } vld1;
+
+ struct {
+ unsigned int index_0:4;
+ unsigned int index_1:4;
+ unsigned int index_2:4;
+ unsigned int index_3:4;
+ unsigned int index_4:4;
+ unsigned int index_5:4;
+ unsigned int index_6:4;
+ unsigned int index_7:4;
+ } desc_remap_table0;
+
+ struct {
+ unsigned int index_8:4;
+ unsigned int index_9:4;
+ unsigned int index_10:4;
+ unsigned int index_11:4;
+ unsigned int index_12:4;
+ unsigned int index_13:4;
+ unsigned int index_14:4;
+ unsigned int index_15:4;
+ } desc_remap_table1;
+};
+
+struct brw_interface_descriptor {
+ struct {
+ unsigned int grf_reg_blocks:4;
+ unsigned int pad:2;
+ unsigned int kernel_start_pointer:26;
+ } desc0;
+
+ struct {
+ unsigned int pad:7;
+ unsigned int software_exception:1;
+ unsigned int pad2:3;
+ unsigned int maskstack_exception:1;
+ unsigned int pad3:1;
+ unsigned int illegal_opcode_exception:1;
+ unsigned int pad4:2;
+ unsigned int floating_point_mode:1;
+ unsigned int thread_priority:1;
+ unsigned int single_program_flow:1;
+ unsigned int pad5:1;
+ unsigned int const_urb_entry_read_offset:6;
+ unsigned int const_urb_entry_read_len:6;
+ } desc1;
+
+ struct {
+ unsigned int pad:2;
+ unsigned int sampler_count:3;
+ unsigned int sampler_state_pointer:27;
+ } desc2;
+
+ struct {
+ unsigned int binding_table_entry_count:5;
+ unsigned int binding_table_pointer:27;
+ } desc3;
+};
+
+#endif