/** Number of general purpose registers (VS, WM, etc) */
#define BRW_MAX_GRF 128
-/** Number of message register file registers */
-#define BRW_MAX_MRF 16
-
-
-/* Command packets:
+/**
+ * First GRF used for the MRF hack.
+ *
+ * On gen7, MRFs are no longer used, and contiguous GRFs are used instead. We
+ * haven't converted our compiler to be aware of this, so it asks for MRFs and
+ * brw_eu_emit.c quietly converts them to be accesses of the top GRFs. The
+ * register allocators have to be careful of this to avoid corrupting the "MRF"s
+ * with actual GRF allocations.
*/
-struct header
-{
- GLuint length:16;
- GLuint opcode:16;
-};
-
-
-union header_union
-{
- struct header bits;
- GLuint dword;
-};
+#define GEN7_MRF_HACK_START 112.
-struct brw_3d_control
-{
- struct
- {
- GLuint length:8;
- GLuint notify_enable:1;
- GLuint pad:3;
- GLuint wc_flush_enable:1;
- GLuint depth_stall_enable:1;
- GLuint operation:2;
- GLuint opcode:16;
- } header;
-
- struct
- {
- GLuint pad:2;
- GLuint dest_addr_type:1;
- GLuint dest_addr:29;
- } dest;
-
- GLuint dword2;
- GLuint dword3;
-};
+/** Number of message register file registers */
+#define BRW_MAX_MRF 16
/* These seem to be passed around as function args, so it works out
* better to keep them as #defines:
#define BRW_INHIBIT_FLUSH_RENDER_CACHE 0x4
#define BRW_FLUSH_SNAPSHOT_COUNTERS 0x8
-struct brw_mi_flush
-{
- GLuint flags:4;
- GLuint pad:12;
- GLuint opcode:16;
-};
-
-struct brw_vf_statistics
-{
- GLuint statistics_enable:1;
- GLuint pad:15;
- GLuint opcode:16;
-};
-
-
-
-struct brw_binding_table_pointers
-{
- struct header header;
- GLuint vs;
- GLuint gs;
- GLuint clp;
- GLuint sf;
- GLuint wm;
-};
-
-
-struct brw_blend_constant_color
-{
- struct header header;
- GLfloat blend_constant_color[4];
-};
-
-
-struct brw_depthbuffer
-{
- union header_union header;
-
- union {
- struct {
- GLuint pitch:18;
- GLuint format:3;
- GLuint pad:2;
- GLuint software_tiled_rendering_mode:2;
- GLuint depth_offset_disable:1;
- GLuint tile_walk:1;
- GLuint tiled_surface:1;
- GLuint pad2:1;
- GLuint surface_type:3;
- } bits;
- GLuint dword;
- } dword1;
-
- GLuint dword2_base_addr;
-
- union {
- struct {
- GLuint pad:1;
- GLuint mipmap_layout:1;
- GLuint lod:4;
- GLuint width:13;
- GLuint height:13;
- } bits;
- GLuint dword;
- } dword3;
-
- union {
- struct {
- GLuint pad:10;
- GLuint min_array_element:11;
- GLuint depth:11;
- } bits;
- GLuint dword;
- } dword4;
-};
-
-struct brw_depthbuffer_g4x
-{
- union header_union header;
-
- union {
- struct {
- GLuint pitch:18;
- GLuint format:3;
- GLuint pad:2;
- GLuint software_tiled_rendering_mode:2;
- GLuint depth_offset_disable:1;
- GLuint tile_walk:1;
- GLuint tiled_surface:1;
- GLuint pad2:1;
- GLuint surface_type:3;
- } bits;
- GLuint dword;
- } dword1;
-
- GLuint dword2_base_addr;
-
- union {
- struct {
- GLuint pad:1;
- GLuint mipmap_layout:1;
- GLuint lod:4;
- GLuint width:13;
- GLuint height:13;
- } bits;
- GLuint dword;
- } dword3;
-
- union {
- struct {
- GLuint pad:10;
- GLuint min_array_element:11;
- GLuint depth:11;
- } bits;
- GLuint dword;
- } dword4;
-
- union {
- struct {
- GLuint xoffset:16;
- GLuint yoffset:16;
- } bits;
- GLuint dword;
- } dword5; /* NEW in Integrated Graphics Device */
-};
-
-struct brw_drawrect
-{
- struct header header;
- GLuint xmin:16;
- GLuint ymin:16;
- GLuint xmax:16;
- GLuint ymax:16;
- GLuint xorg:16;
- GLuint yorg:16;
-};
-
-
-
-
-struct brw_global_depth_offset_clamp
-{
- struct header header;
- GLfloat depth_offset_clamp;
-};
-
-struct brw_indexbuffer
-{
- union {
- struct
- {
- GLuint length:8;
- GLuint index_format:2;
- GLuint cut_index_enable:1;
- GLuint pad:5;
- GLuint opcode:16;
- } bits;
- GLuint dword;
-
- } header;
-
- GLuint buffer_start;
- GLuint buffer_end;
-};
-
-/* NEW in Integrated Graphics Device */
-struct brw_aa_line_parameters
-{
- struct header header;
-
- struct {
- GLuint aa_coverage_slope:8;
- GLuint pad0:8;
- GLuint aa_coverage_bias:8;
- GLuint pad1:8;
- } bits0;
-
- struct {
- GLuint aa_coverage_endcap_slope:8;
- GLuint pad0:8;
- GLuint aa_coverage_endcap_bias:8;
- GLuint pad1:8;
- } bits1;
-};
-
-struct brw_line_stipple
-{
- struct header header;
-
- struct
- {
- GLuint pattern:16;
- GLuint pad:16;
- } bits0;
-
- struct
- {
- GLuint repeat_count:9;
- GLuint pad:7;
- GLuint inverse_repeat_count:16;
- } bits1;
-};
-
-
-struct brw_pipelined_state_pointers
-{
- struct header header;
-
- struct {
- GLuint pad:5;
- GLuint offset:27; /* Offset from GENERAL_STATE_BASE */
- } vs;
-
- struct
- {
- GLuint enable:1;
- GLuint pad:4;
- GLuint offset:27; /* Offset from GENERAL_STATE_BASE */
- } gs;
-
- struct
- {
- GLuint enable:1;
- GLuint pad:4;
- GLuint offset:27; /* Offset from GENERAL_STATE_BASE */
- } clp;
-
- struct
- {
- GLuint pad:5;
- GLuint offset:27; /* Offset from GENERAL_STATE_BASE */
- } sf;
-
- struct
- {
- GLuint pad:5;
- GLuint offset:27; /* Offset from GENERAL_STATE_BASE */
- } wm;
-
- struct
- {
- GLuint pad:5;
- GLuint offset:27; /* Offset from GENERAL_STATE_BASE. KW: check me! */
- } cc;
-};
-
-
-struct brw_polygon_stipple_offset
-{
- struct header header;
-
- struct {
- GLuint y_offset:5;
- GLuint pad:3;
- GLuint x_offset:5;
- GLuint pad0:19;
- } bits0;
-};
-
-
-
-struct brw_polygon_stipple
-{
- struct header header;
- GLuint stipple[32];
-};
-
-
-
-struct brw_pipeline_select
-{
- struct
- {
- GLuint pipeline_select:1;
- GLuint pad:15;
- GLuint opcode:16;
- } header;
-};
-
-
-struct brw_pipe_control
-{
- struct
- {
- GLuint length:8;
- GLuint notify_enable:1;
- GLuint texture_cache_flush_enable:1;
- GLuint indirect_state_pointers_disable:1;
- GLuint instruction_state_cache_flush_enable:1;
- GLuint write_cache_flush_enable:1;
- GLuint depth_stall_enable:1;
- GLuint post_sync_operation:2;
-
- GLuint opcode:16;
- } header;
-
- struct
- {
- GLuint pad:2;
- GLuint dest_addr_type:1;
- GLuint dest_addr:29;
- } bits1;
-
- GLuint data0;
- GLuint data1;
-};
-
-
struct brw_urb_fence
{
struct
} bits1;
};
-struct brw_cs_urb_state
-{
- struct header header;
-
- struct
- {
- GLuint nr_urb_entries:3;
- GLuint pad:1;
- GLuint urb_entry_size:5;
- GLuint pad0:23;
- } bits0;
-};
-
-struct brw_constant_buffer
-{
- struct
- {
- GLuint length:8;
- GLuint valid:1;
- GLuint pad:7;
- GLuint opcode:16;
- } header;
-
- struct
- {
- GLuint buffer_length:6;
- GLuint buffer_address:26;
- } bits0;
-};
-
-struct brw_state_base_address
-{
- struct header header;
-
- struct
- {
- GLuint modify_enable:1;
- GLuint pad:4;
- GLuint general_state_address:27;
- } bits0;
-
- struct
- {
- GLuint modify_enable:1;
- GLuint pad:4;
- GLuint surface_state_address:27;
- } bits1;
-
- struct
- {
- GLuint modify_enable:1;
- GLuint pad:4;
- GLuint indirect_object_state_address:27;
- } bits2;
-
- struct
- {
- GLuint modify_enable:1;
- GLuint pad:11;
- GLuint general_state_upper_bound:20;
- } bits3;
-
- struct
- {
- GLuint modify_enable:1;
- GLuint pad:11;
- GLuint indirect_object_state_upper_bound:20;
- } bits4;
-};
-
-struct brw_state_prefetch
-{
- struct header header;
-
- struct
- {
- GLuint prefetch_count:3;
- GLuint pad:3;
- GLuint prefetch_pointer:26;
- } bits0;
-};
-
-struct brw_system_instruction_pointer
-{
- struct header header;
-
- struct
- {
- GLuint pad:4;
- GLuint system_instruction_pointer:28;
- } bits0;
-};
-
-
-
-
/* State structs for the various fixed function units:
*/
GLuint x_offset:7;
} ss5;
- struct {
- GLuint pad; /* Multisample Control Surface stuff */
+ union {
+ GLuint raw_data;
+ struct {
+ GLuint y_offset_for_uv_plane:14;
+ GLuint pad1:2;
+ GLuint x_offset_for_uv_plane:14;
+ GLuint pad0:2;
+ } planar; /** Interpretation when Surface Format == PLANAR */
+ struct {
+ GLuint mcs_enable:1;
+ GLuint append_counter_enable:1;
+ GLuint pad:4;
+ GLuint append_counter_address:26;
+ } mcs_disabled; /** Interpretation when mcs_enable == 0 */
+ struct {
+ GLuint mcs_enable:1;
+ GLuint pad:2;
+ GLuint mcs_surface_pitch:9;
+ GLuint mcs_base_address:20;
+ } mcs_enabled; /** Interpretation when mcs_enable == 1 */
} ss6;
struct {
GLuint resource_min_lod:12;
- GLuint pad0:16;
+
+ /* Only on Haswell */
+ GLuint pad0:4;
+ GLuint shader_channel_select_a:3;
+ GLuint shader_channel_select_b:3;
+ GLuint shader_channel_select_g:3;
+ GLuint shader_channel_select_r:3;
+
GLuint alpha_clear_color:1;
GLuint blue_clear_color:1;
GLuint green_clear_color:1;
} ve1;
};
-#define BRW_VEP_MAX 18
-
-struct brw_vertex_element_packet {
- struct header header;
- struct brw_vertex_element_state ve[BRW_VEP_MAX]; /* note: less than _TNL_ATTRIB_MAX */
-};
-
-
struct brw_urb_immediate {
GLuint opcode:4;
GLuint offset:6;
GLuint predicate_control:4;
GLuint predicate_inverse:1;
GLuint execution_size:3;
- GLuint destreg__conditionalmod:4; /* destreg - send, conditionalmod - others */
+ /**
+ * 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;
GLint jump_count:16;
} branch_gen6;
+
+ struct {
+ GLuint dest_reg_file:1;
+ GLuint flag_subreg_num:1;
+ GLuint pad0:2;
+ 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 pad1:7;
+ GLuint dest_writemask:4;
+ GLuint dest_subreg_nr:3;
+ GLuint dest_reg_nr:8;
+ } da3src;
+
+ uint32_t ud;
} bits1;
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:6;
+ GLuint pad:5;
} da1;
struct
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:6;
+ GLuint pad:5;
} ia1;
struct
GLuint src0_swz_w:2;
GLuint pad0:1;
GLuint src0_vert_stride:4;
+ GLuint flag_subreg_nr:1;
GLuint flag_reg_nr:1;
- GLuint pad1:6;
+ GLuint pad1:5;
} da16;
struct
GLuint src0_swz_w:2;
GLuint pad0:1;
GLuint src0_vert_stride:4;
+ GLuint flag_subreg_nr:1;
GLuint flag_reg_nr:1;
- GLuint pad1:6;
+ 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 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
GLuint src1_horiz_stride:2;
GLuint src1_width:3;
GLuint src1_vert_stride:4;
- GLuint flag_reg_nr:1;
- GLuint pad1:6;
+ GLuint pad1:7;
} ia1;
struct
GLuint src1_swz_w:2;
GLuint pad1:1;
GLuint src1_vert_stride:4;
- GLuint flag_reg_nr:1;
- GLuint pad2:6;
+ GLuint pad2:7;
} ia16;
int uip:16;
} break_cont;
+ /**
+ * \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;
+
+ /** G45 PRM, Volume 4, Section 6.1.1.1 */
struct {
GLuint function:4;
GLuint int_type:1;
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 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 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 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 end_of_thread:1;
} urb_gen7;
+ /** 965 PRM, Volume 4, Section 5.10.1.1: Message Descriptor */
struct {
GLuint binding_table_index:8;
GLuint msg_control:4;
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 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:3;
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 pixel_scoreboard_clear:1;
+ GLuint last_render_target:1;
GLuint msg_type:3;
GLuint send_commit_msg:1;
GLuint response_length:4;
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 pixel_scoreboard_clear:1;
+ GLuint last_render_target:1;
GLuint msg_type:3;
GLuint send_commit_msg:1;
GLuint pad0:3;
GLuint end_of_thread:1;
} dp_write_gen5;
- /* Sandybridge DP for sample cache, constant cache, render cache */
+ /**
+ * 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_length:4;
GLuint pad1:2;
GLuint end_of_thread:1;
- } dp_sampler_const_cache;
-
+ } 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:3;
GLuint slot_group_select:1;
- GLuint pixel_scoreboard_clear:1;
+ GLuint last_render_target:1;
GLuint msg_type:4;
GLuint send_commit_msg:1;
GLuint pad0:1;
GLuint end_of_thread:1;
} gen6_dp;
- /* See volume vol5c.2 sections 2.11.2.1.5 and 2.11.21.2.2. */
+ /**
+ * 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:3;
GLuint slot_group_select:1;
- GLuint pixel_scoreboard_clear:1;
- GLuint pad0:1;
+ GLuint last_render_target:1;
+ GLuint msg_control_pad:1;
GLuint msg_type:4;
GLuint pad1:1;
GLuint header_present:1;
GLuint pad2:2;
GLuint end_of_thread:1;
} gen7_dp;
+ /** @} */
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;
-
- /* Of this struct, only end_of_thread is not present for gen6. */
- struct {
- GLuint function_control:19;
- GLuint header_present:1;
- GLuint response_length:5;
- GLuint msg_length:4;
+ 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;
- GLuint end_of_thread:1;
- } generic_gen5;
+ } da3src;
GLint d;
GLuint ud;
} 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
projects / mesa.git / blobdiff