/* * Copyright 2012 Advanced Micro Devices, Inc. * * 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. * * Authors: * Christian König */ #ifndef SI_STATE_H #define SI_STATE_H #include "si_pm4.h" #include "radeon/r600_pipe_common.h" #define SI_NUM_GRAPHICS_SHADERS (PIPE_SHADER_TESS_EVAL+1) #define SI_NUM_SHADERS (PIPE_SHADER_COMPUTE+1) #define SI_MAX_ATTRIBS 16 #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 si_state_blend { struct si_pm4_state pm4; uint32_t cb_target_mask; bool alpha_to_coverage; bool alpha_to_one; bool dual_src_blend; /* Set 0xf or 0x0 (4 bits) per render target if the following is * true. ANDed with spi_shader_col_format. */ unsigned blend_enable_4bit; unsigned need_src_alpha_4bit; }; 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[3]; bool flatshade; bool two_side; bool multisample_enable; bool force_persample_interp; bool line_stipple_enable; unsigned sprite_coord_enable; unsigned pa_sc_line_stipple; unsigned pa_cl_clip_cntl; unsigned clip_plane_enable; bool poly_stipple_enable; bool line_smooth; bool poly_smooth; bool uses_poly_offset; bool clamp_fragment_color; bool clamp_vertex_color; bool rasterizer_discard; bool scissor_enable; bool clip_halfz; }; struct si_dsa_stencil_ref_part { uint8_t valuemask[2]; uint8_t writemask[2]; }; struct si_state_dsa { struct si_pm4_state pm4; unsigned alpha_func; struct si_dsa_stencil_ref_part stencil_ref; }; struct si_stencil_ref { struct r600_atom atom; struct pipe_stencil_ref state; struct si_dsa_stencil_ref_part dsa_part; }; struct si_vertex_element { unsigned count; unsigned first_vb_use_mask; /* Vertex buffer descriptor list size aligned for optimal prefetch. */ unsigned desc_list_byte_size; uint8_t fix_fetch[SI_MAX_ATTRIBS]; uint32_t rsrc_word3[SI_MAX_ATTRIBS]; uint32_t format_size[SI_MAX_ATTRIBS]; struct pipe_vertex_element elements[SI_MAX_ATTRIBS]; bool uses_instance_divisors; }; 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 r600_atom *prefetch_L2; struct r600_atom *render_cond; struct r600_atom *streamout_begin; struct r600_atom *streamout_enable; /* must be after streamout_begin */ struct r600_atom *framebuffer; struct r600_atom *msaa_sample_locs; struct r600_atom *db_render_state; struct r600_atom *msaa_config; struct r600_atom *sample_mask; struct r600_atom *cb_render_state; struct r600_atom *blend_color; struct r600_atom *clip_regs; struct r600_atom *clip_state; struct r600_atom *shader_userdata; struct r600_atom *scissors; struct r600_atom *viewports; struct r600_atom *stencil_ref; struct r600_atom *spi_map; struct r600_atom *scratch_state; } s; struct r600_atom *array[0]; }; #define SI_NUM_ATOMS (sizeof(union si_state_atoms)/sizeof(struct r600_atom*)) struct si_shader_data { struct r600_atom atom; uint32_t sh_base[SI_NUM_SHADERS]; }; /* 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_CLIP_PLANES, SI_PS_CONST_POLY_STIPPLE, SI_PS_CONST_SAMPLE_POSITIONS, SI_NUM_RW_BUFFERS, }; /* Indices into sctx->descriptors, laid out so that gfx and compute pipelines * are contiguous: * * 0 - rw buffers * 1 - vertex const buffers * 2 - vertex shader buffers * ... * 5 - fragment const buffers * ... * 21 - compute const buffers * ... */ 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) /* 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 size of one descriptor. */ unsigned element_dw_size; /* The maximum number of descriptors. */ unsigned num_elements; /* The buffer where the descriptors have been uploaded. */ struct r600_resource *buffer; int buffer_offset; /* can be negative if not using lower slots */ /* Offset in CE RAM */ unsigned ce_offset; /* Slots allocated in CE RAM. If we get active slots outside of this * range, direct uploads to memory will be used instead. This basically * governs switching between onchip (CE) and offchip (upload) modes. */ unsigned first_ce_slot; unsigned num_ce_slots; /* Slots that are used by currently-bound shaders. * With CE: It determines which slots are dumped to L2. * It doesn't skip uploads to CE RAM. * Without CE: It determines which slots are uploaded. */ unsigned first_active_slot; unsigned num_active_slots; /* Slots that have been changed and need to be uploaded. */ uint64_t dirty_mask; /* Whether CE is used to upload this descriptor array. */ bool uses_ce; /* The shader userdata offset within a shader where the 64-bit pointer to the descriptor * array will be stored. */ unsigned shader_userdata_offset; }; struct si_sampler_views { struct pipe_sampler_view *views[SI_NUM_SAMPLERS]; struct si_sampler_state *sampler_states[SI_NUM_SAMPLERS]; /* The i-th bit is set if that element is enabled (non-NULL resource). */ unsigned enabled_mask; }; struct si_buffer_resources { enum radeon_bo_usage shader_usage; /* READ, WRITE, or READWRITE */ enum radeon_bo_usage shader_usage_constbuf; enum radeon_bo_priority priority; enum radeon_bo_priority priority_constbuf; struct pipe_resource **buffers; /* this has num_buffers elements */ /* 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_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_ce_save_all_descriptors_at_ib_end(struct si_context* sctx); void si_ce_restore_all_descriptors_at_ib_start(struct si_context *sctx); void si_ce_enable_loads(struct radeon_winsys_cs *ib); 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_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 pipe_context *ctx, 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_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_compressed_colortex_masks(struct si_context *sctx); void si_emit_graphics_shader_userdata(struct si_context *sctx, struct r600_atom *atom); void si_emit_compute_shader_userdata(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); /* si_state.c */ struct si_shader_selector; void si_init_atom(struct si_context *sctx, struct r600_atom *atom, struct r600_atom **list_elem, void (*emit_func)(struct si_context *ctx, struct r600_atom *state)); 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); /* si_state_shader.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_init_shader_selector_async(void *job, int thread_index); void si_get_active_slot_masks(const struct tgsi_shader_info *info, uint32_t *const_and_shader_buffers, uint64_t *samplers_and_images); /* 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_ce_pre_draw_synchronization(struct si_context *sctx); void si_ce_post_draw_synchronization(struct si_context *sctx); void si_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *dinfo); void si_trace_emit(struct si_context *sctx); static inline unsigned si_tile_mode_index(struct r600_texture *rtex, unsigned level, bool stencil) { if (stencil) return rtex->surface.u.legacy.stencil_tiling_index[level]; else return rtex->surface.u.legacy.tiling_index[level]; } 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