/* * Copyright 2012 Advanced Micro Devices, Inc. * 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 * on 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 * THE AUTHOR(S) AND/OR THEIR 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 SI_STATE_H #define SI_STATE_H #include "si_pm4.h" #include "pipebuffer/pb_slab.h" #include "util/u_blitter.h" #define SI_NUM_GRAPHICS_SHADERS (PIPE_SHADER_TESS_EVAL+1) #define SI_NUM_SHADERS (PIPE_SHADER_COMPUTE+1) #define SI_NUM_VERTEX_BUFFERS SI_MAX_ATTRIBS #define SI_NUM_SAMPLERS 32 /* OpenGL textures units per shader */ #define SI_NUM_CONST_BUFFERS 16 #define SI_NUM_IMAGES 16 #define SI_NUM_SHADER_BUFFERS 16 struct si_screen; struct si_shader; struct si_shader_selector; struct r600_texture; struct si_qbo_state; /* State atoms are callbacks which write a sequence of packets into a GPU * command buffer (AKA indirect buffer, AKA IB, AKA command stream, AKA CS). */ struct si_atom { void (*emit)(struct si_context *ctx); }; struct si_state_blend { struct si_pm4_state pm4; uint32_t cb_target_mask; /* Set 0xf or 0x0 (4 bits) per render target if the following is * true. ANDed with spi_shader_col_format. */ unsigned cb_target_enabled_4bit; unsigned blend_enable_4bit; unsigned need_src_alpha_4bit; unsigned commutative_4bit; bool alpha_to_coverage:1; bool alpha_to_one:1; bool dual_src_blend:1; bool logicop_enable:1; }; struct si_state_rasterizer { struct si_pm4_state pm4; /* poly offset states for 16-bit, 24-bit, and 32-bit zbuffers */ struct si_pm4_state *pm4_poly_offset; unsigned pa_sc_line_stipple; unsigned pa_cl_clip_cntl; float line_width; float max_point_size; unsigned sprite_coord_enable:8; unsigned clip_plane_enable:8; unsigned flatshade:1; unsigned two_side:1; unsigned multisample_enable:1; unsigned force_persample_interp:1; unsigned line_stipple_enable:1; unsigned poly_stipple_enable:1; unsigned line_smooth:1; unsigned poly_smooth:1; unsigned uses_poly_offset:1; unsigned clamp_fragment_color:1; unsigned clamp_vertex_color:1; unsigned rasterizer_discard:1; unsigned scissor_enable:1; unsigned clip_halfz:1; }; struct si_dsa_stencil_ref_part { uint8_t valuemask[2]; uint8_t writemask[2]; }; struct si_dsa_order_invariance { /** Whether the final result in Z/S buffers is guaranteed to be * invariant under changes to the order in which fragments arrive. */ bool zs:1; /** Whether the set of fragments that pass the combined Z/S test is * guaranteed to be invariant under changes to the order in which * fragments arrive. */ bool pass_set:1; /** Whether the last fragment that passes the combined Z/S test at each * sample is guaranteed to be invariant under changes to the order in * which fragments arrive. */ bool pass_last:1; }; struct si_state_dsa { struct si_pm4_state pm4; struct si_dsa_stencil_ref_part stencil_ref; /* 0 = without stencil buffer, 1 = when both Z and S buffers are present */ struct si_dsa_order_invariance order_invariance[2]; ubyte alpha_func:3; bool depth_enabled:1; bool depth_write_enabled:1; bool stencil_enabled:1; bool stencil_write_enabled:1; bool db_can_write:1; }; struct si_stencil_ref { struct pipe_stencil_ref state; struct si_dsa_stencil_ref_part dsa_part; }; struct si_vertex_elements { uint32_t instance_divisors[SI_MAX_ATTRIBS]; uint32_t rsrc_word3[SI_MAX_ATTRIBS]; uint16_t src_offset[SI_MAX_ATTRIBS]; uint8_t fix_fetch[SI_MAX_ATTRIBS]; uint8_t format_size[SI_MAX_ATTRIBS]; uint8_t vertex_buffer_index[SI_MAX_ATTRIBS]; uint8_t count; bool uses_instance_divisors; uint16_t first_vb_use_mask; /* Vertex buffer descriptor list size aligned for optimal prefetch. */ uint16_t desc_list_byte_size; uint16_t instance_divisor_is_one; /* bitmask of inputs */ uint16_t instance_divisor_is_fetched; /* bitmask of inputs */ }; union si_state { struct { struct si_state_blend *blend; struct si_state_rasterizer *rasterizer; struct si_state_dsa *dsa; struct si_pm4_state *poly_offset; struct si_pm4_state *ls; struct si_pm4_state *hs; struct si_pm4_state *es; struct si_pm4_state *gs; struct si_pm4_state *vgt_shader_config; struct si_pm4_state *vs; struct si_pm4_state *ps; } named; struct si_pm4_state *array[0]; }; #define SI_NUM_STATES (sizeof(union si_state) / sizeof(struct si_pm4_state *)) union si_state_atoms { struct { /* The order matters. */ struct si_atom render_cond; struct si_atom streamout_begin; struct si_atom streamout_enable; /* must be after streamout_begin */ struct si_atom framebuffer; struct si_atom msaa_sample_locs; struct si_atom db_render_state; struct si_atom dpbb_state; struct si_atom msaa_config; struct si_atom sample_mask; struct si_atom cb_render_state; struct si_atom blend_color; struct si_atom clip_regs; struct si_atom clip_state; struct si_atom shader_pointers; struct si_atom scissors; struct si_atom viewports; struct si_atom stencil_ref; struct si_atom spi_map; struct si_atom scratch_state; } s; struct si_atom array[0]; }; #define SI_NUM_ATOMS (sizeof(union si_state_atoms)/sizeof(struct si_atom*)) struct si_shader_data { uint32_t sh_base[SI_NUM_SHADERS]; }; /* The list of registers whose emitted values are remembered by si_context. */ enum si_tracked_reg { SI_TRACKED_DB_RENDER_CONTROL, /* 2 consecutive registers */ SI_TRACKED_DB_COUNT_CONTROL, SI_TRACKED_DB_RENDER_OVERRIDE2, SI_TRACKED_DB_SHADER_CONTROL, SI_TRACKED_CB_TARGET_MASK, SI_TRACKED_CB_DCC_CONTROL, SI_TRACKED_SX_PS_DOWNCONVERT, /* 3 consecutive registers */ SI_TRACKED_SX_BLEND_OPT_EPSILON, SI_TRACKED_SX_BLEND_OPT_CONTROL, SI_TRACKED_PA_SC_LINE_CNTL, /* 2 consecutive registers */ SI_TRACKED_PA_SC_AA_CONFIG, SI_TRACKED_DB_EQAA, SI_TRACKED_PA_SC_MODE_CNTL_1, SI_NUM_TRACKED_REGS, }; struct si_tracked_regs { uint32_t reg_saved; uint32_t reg_value[SI_NUM_TRACKED_REGS]; }; /* Private read-write buffer slots. */ enum { SI_ES_RING_ESGS, SI_GS_RING_ESGS, SI_RING_GSVS, SI_VS_STREAMOUT_BUF0, SI_VS_STREAMOUT_BUF1, SI_VS_STREAMOUT_BUF2, SI_VS_STREAMOUT_BUF3, SI_HS_CONST_DEFAULT_TESS_LEVELS, SI_VS_CONST_INSTANCE_DIVISORS, SI_VS_CONST_CLIP_PLANES, SI_PS_CONST_POLY_STIPPLE, SI_PS_CONST_SAMPLE_POSITIONS, /* Image descriptor of color buffer 0 for KHR_blend_equation_advanced. */ SI_PS_IMAGE_COLORBUF0, SI_PS_IMAGE_COLORBUF0_HI, SI_PS_IMAGE_COLORBUF0_FMASK, SI_PS_IMAGE_COLORBUF0_FMASK_HI, SI_NUM_RW_BUFFERS, }; /* Indices into sctx->descriptors, laid out so that gfx and compute pipelines * are contiguous: * * 0 - rw buffers * 1 - vertex const and shader buffers * 2 - vertex samplers and images * 3 - fragment const and shader buffer * ... * 11 - compute const and shader buffers * 12 - compute samplers and images */ enum { SI_SHADER_DESCS_CONST_AND_SHADER_BUFFERS, SI_SHADER_DESCS_SAMPLERS_AND_IMAGES, SI_NUM_SHADER_DESCS, }; #define SI_DESCS_RW_BUFFERS 0 #define SI_DESCS_FIRST_SHADER 1 #define SI_DESCS_FIRST_COMPUTE (SI_DESCS_FIRST_SHADER + \ PIPE_SHADER_COMPUTE * SI_NUM_SHADER_DESCS) #define SI_NUM_DESCS (SI_DESCS_FIRST_SHADER + \ SI_NUM_SHADERS * SI_NUM_SHADER_DESCS) #define SI_DESCS_SHADER_MASK(name) \ u_bit_consecutive(SI_DESCS_FIRST_SHADER + \ PIPE_SHADER_##name * SI_NUM_SHADER_DESCS, \ SI_NUM_SHADER_DESCS) /* This represents descriptors in memory, such as buffer resources, * image resources, and sampler states. */ struct si_descriptors { /* The list of descriptors in malloc'd memory. */ uint32_t *list; /* The list in mapped GPU memory. */ uint32_t *gpu_list; /* The buffer where the descriptors have been uploaded. */ struct r600_resource *buffer; uint64_t gpu_address; /* The maximum number of descriptors. */ uint32_t num_elements; /* Slots that are used by currently-bound shaders. * It determines which slots are uploaded. */ uint32_t first_active_slot; uint32_t num_active_slots; /* The SH register offset relative to USER_DATA*_0 where the pointer * to the descriptor array will be stored. */ short shader_userdata_offset; /* The size of one descriptor. */ ubyte element_dw_size; /* If there is only one slot enabled, bind it directly instead of * uploading descriptors. -1 if disabled. */ signed char slot_index_to_bind_directly; }; struct si_buffer_resources { struct pipe_resource **buffers; /* this has num_buffers elements */ enum radeon_bo_usage shader_usage:4; /* READ, WRITE, or READWRITE */ enum radeon_bo_usage shader_usage_constbuf:4; enum radeon_bo_priority priority:6; enum radeon_bo_priority priority_constbuf:6; /* The i-th bit is set if that element is enabled (non-NULL resource). */ unsigned enabled_mask; }; #define si_pm4_block_idx(member) \ (offsetof(union si_state, named.member) / sizeof(struct si_pm4_state *)) #define si_pm4_state_changed(sctx, member) \ ((sctx)->queued.named.member != (sctx)->emitted.named.member) #define si_pm4_state_enabled_and_changed(sctx, member) \ ((sctx)->queued.named.member && si_pm4_state_changed(sctx, member)) #define si_pm4_bind_state(sctx, member, value) \ do { \ (sctx)->queued.named.member = (value); \ (sctx)->dirty_states |= 1 << si_pm4_block_idx(member); \ } while(0) #define si_pm4_delete_state(sctx, member, value) \ do { \ if ((sctx)->queued.named.member == (value)) { \ (sctx)->queued.named.member = NULL; \ } \ si_pm4_free_state(sctx, (struct si_pm4_state *)(value), \ si_pm4_block_idx(member)); \ } while(0) /* si_descriptors.c */ void si_set_mutable_tex_desc_fields(struct si_screen *sscreen, struct r600_texture *tex, const struct legacy_surf_level *base_level_info, unsigned base_level, unsigned first_level, unsigned block_width, bool is_stencil, uint32_t *state); void si_update_ps_colorbuf0_slot(struct si_context *sctx); void si_get_pipe_constant_buffer(struct si_context *sctx, uint shader, uint slot, struct pipe_constant_buffer *cbuf); void si_get_shader_buffers(struct si_context *sctx, enum pipe_shader_type shader, uint start_slot, uint count, struct pipe_shader_buffer *sbuf); void si_set_ring_buffer(struct si_context *sctx, uint slot, struct pipe_resource *buffer, unsigned stride, unsigned num_records, bool add_tid, bool swizzle, unsigned element_size, unsigned index_stride, uint64_t offset); void si_init_all_descriptors(struct si_context *sctx); bool si_upload_vertex_buffer_descriptors(struct si_context *sctx); bool si_upload_graphics_shader_descriptors(struct si_context *sctx); bool si_upload_compute_shader_descriptors(struct si_context *sctx); void si_release_all_descriptors(struct si_context *sctx); void si_all_descriptors_begin_new_cs(struct si_context *sctx); void si_all_resident_buffers_begin_new_cs(struct si_context *sctx); void si_upload_const_buffer(struct si_context *sctx, struct r600_resource **rbuffer, const uint8_t *ptr, unsigned size, uint32_t *const_offset); void si_update_all_texture_descriptors(struct si_context *sctx); void si_shader_change_notify(struct si_context *sctx); void si_update_needs_color_decompress_masks(struct si_context *sctx); void si_emit_graphics_shader_pointers(struct si_context *sctx); void si_emit_compute_shader_pointers(struct si_context *sctx); void si_set_rw_buffer(struct si_context *sctx, uint slot, const struct pipe_constant_buffer *input); void si_set_active_descriptors(struct si_context *sctx, unsigned desc_idx, uint64_t new_active_mask); void si_set_active_descriptors_for_shader(struct si_context *sctx, struct si_shader_selector *sel); bool si_bindless_descriptor_can_reclaim_slab(void *priv, struct pb_slab_entry *entry); struct pb_slab *si_bindless_descriptor_slab_alloc(void *priv, unsigned heap, unsigned entry_size, unsigned group_index); void si_bindless_descriptor_slab_free(void *priv, struct pb_slab *pslab); void si_rebind_buffer(struct si_context *sctx, struct pipe_resource *buf, uint64_t old_va); /* si_state.c */ void si_init_state_functions(struct si_context *sctx); void si_init_screen_state_functions(struct si_screen *sscreen); void si_make_buffer_descriptor(struct si_screen *screen, struct r600_resource *buf, enum pipe_format format, unsigned offset, unsigned size, uint32_t *state); void si_make_texture_descriptor(struct si_screen *screen, struct r600_texture *tex, bool sampler, enum pipe_texture_target target, enum pipe_format pipe_format, const unsigned char state_swizzle[4], unsigned first_level, unsigned last_level, unsigned first_layer, unsigned last_layer, unsigned width, unsigned height, unsigned depth, uint32_t *state, uint32_t *fmask_state); struct pipe_sampler_view * si_create_sampler_view_custom(struct pipe_context *ctx, struct pipe_resource *texture, const struct pipe_sampler_view *state, unsigned width0, unsigned height0, unsigned force_level); void si_update_fb_dirtiness_after_rendering(struct si_context *sctx); void si_update_ps_iter_samples(struct si_context *sctx); void si_save_qbo_state(struct si_context *sctx, struct si_qbo_state *st); void si_set_occlusion_query_state(struct si_context *sctx, bool old_perfect_enable); /* si_state_binning.c */ void si_emit_dpbb_state(struct si_context *sctx); /* si_state_shaders.c */ bool si_update_shaders(struct si_context *sctx); void si_init_shader_functions(struct si_context *sctx); bool si_init_shader_cache(struct si_screen *sscreen); void si_destroy_shader_cache(struct si_screen *sscreen); void si_get_active_slot_masks(const struct tgsi_shader_info *info, uint32_t *const_and_shader_buffers, uint64_t *samplers_and_images); void *si_get_blit_vs(struct si_context *sctx, enum blitter_attrib_type type, unsigned num_layers); /* si_state_draw.c */ void si_init_ia_multi_vgt_param_table(struct si_context *sctx); void si_emit_cache_flush(struct si_context *sctx); void si_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *dinfo); void si_draw_rectangle(struct blitter_context *blitter, void *vertex_elements_cso, blitter_get_vs_func get_vs, int x1, int y1, int x2, int y2, float depth, unsigned num_instances, enum blitter_attrib_type type, const union blitter_attrib *attrib); void si_trace_emit(struct si_context *sctx); /* si_state_msaa.c */ void si_init_msaa_functions(struct si_context *sctx); void si_emit_sample_locations(struct radeon_winsys_cs *cs, int nr_samples); /* si_state_streamout.c */ void si_streamout_buffers_dirty(struct si_context *sctx); void si_emit_streamout_end(struct si_context *sctx); void si_update_prims_generated_query_state(struct si_context *sctx, unsigned type, int diff); void si_init_streamout_functions(struct si_context *sctx); static inline unsigned si_get_constbuf_slot(unsigned slot) { /* Constant buffers are in slots [16..31], ascending */ return SI_NUM_SHADER_BUFFERS + slot; } static inline unsigned si_get_shaderbuf_slot(unsigned slot) { /* shader buffers are in slots [15..0], descending */ return SI_NUM_SHADER_BUFFERS - 1 - slot; } static inline unsigned si_get_sampler_slot(unsigned slot) { /* samplers are in slots [8..39], ascending */ return SI_NUM_IMAGES / 2 + slot; } static inline unsigned si_get_image_slot(unsigned slot) { /* images are in slots [15..0] (sampler slots [7..0]), descending */ return SI_NUM_IMAGES - 1 - slot; } #endif