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path: root/src/gallium/drivers/lima/lima_context.h
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/*
 * Copyright (c) 2017-2019 Lima Project
 *
 * 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
 * THE AUTHORS OR COPYRIGHT HOLDERS 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 H_LIMA_CONTEXT
#define H_LIMA_CONTEXT

#include "util/slab.h"
#include "util/u_dynarray.h"

#include "pipe/p_context.h"
#include "pipe/p_state.h"

struct lima_context_framebuffer {
   struct pipe_framebuffer_state base;
   int tiled_w, tiled_h;
   int shift_w, shift_h;
   int block_w, block_h;
   int shift_min;
};

struct lima_context_clear {
   unsigned buffers;
   uint32_t color_8pc;
   uint32_t depth;
   uint32_t stencil;
   uint64_t color_16pc;
};

struct lima_depth_stencil_alpha_state {
   struct pipe_depth_stencil_alpha_state base;
};

struct lima_fs_shader_state {
   void *shader;
   int shader_size;
   int stack_size;
   struct lima_bo *bo;
};

#define LIMA_MAX_VARYING_NUM 13

struct lima_varying_info {
   int components;
   int component_size;
   int offset;
};

struct lima_vs_shader_state {
   void *shader;
   int shader_size;
   int prefetch;

   /* pipe_constant_buffer.size is aligned with some pad bytes,
    * so record here for the real start place of gpir lowered
    * uniforms */
   int uniform_pending_offset;

   void *constant;
   int constant_size;

   struct lima_varying_info varying[LIMA_MAX_VARYING_NUM];
   int varying_stride;
   int num_outputs;
   int num_varyings;
   int gl_pos_idx;
   int point_size_idx;

   struct lima_bo *bo;
};

struct lima_rasterizer_state {
   struct pipe_rasterizer_state base;
};

struct lima_blend_state {
   struct pipe_blend_state base;
};

struct lima_vertex_element_state {
   struct pipe_vertex_element pipe[PIPE_MAX_ATTRIBS];
   unsigned num_elements;
};

struct lima_context_vertex_buffer {
   struct pipe_vertex_buffer vb[PIPE_MAX_ATTRIBS];
   unsigned count;
   uint32_t enabled_mask;
};

struct lima_context_viewport_state {
   struct pipe_viewport_state transform;
   float left, right, bottom, top;
   float near, far;
};

struct lima_context_constant_buffer {
   const void *buffer;
   uint32_t size;
   bool dirty;
};

enum lima_ctx_buff {
   lima_ctx_buff_sh_gl_pos,
   lima_ctx_buff_sh_gl_point_size,
   lima_ctx_buff_gp_varying_info,
   lima_ctx_buff_gp_attribute_info,
   lima_ctx_buff_gp_uniform,
   lima_ctx_buff_gp_vs_cmd,
   lima_ctx_buff_gp_plbu_cmd,
   lima_ctx_buff_pp_plb_rsw,
   lima_ctx_buff_pp_uniform_array,
   lima_ctx_buff_pp_uniform,
   lima_ctx_buff_pp_tex_desc,
   lima_ctx_buff_pp_stack,
   lima_ctx_buff_num,
};

struct lima_ctx_buff_state {
   struct pipe_resource *res;
   unsigned offset;
   unsigned size;
};

struct lima_texture_stateobj {
   struct pipe_sampler_view *textures[PIPE_MAX_SAMPLERS];
   unsigned num_textures;
   struct pipe_sampler_state *samplers[PIPE_MAX_SAMPLERS];
   unsigned num_samplers;
};

struct lima_ctx_plb_pp_stream_key {
   uint32_t plb_index;
   uint32_t tiled_w;
   uint32_t tiled_h;
};

struct lima_ctx_plb_pp_stream {
   struct lima_ctx_plb_pp_stream_key key;
   uint32_t refcnt;
   struct lima_bo *bo;
   uint32_t offset[4];
};

struct lima_pp_stream_state {
   struct lima_bo *bo;
   uint32_t bo_offset;
   uint32_t offset[8];
};

struct lima_context {
   struct pipe_context base;

   enum {
      LIMA_CONTEXT_DIRTY_FRAMEBUFFER  = (1 << 0),
      LIMA_CONTEXT_DIRTY_CLEAR        = (1 << 1),
      LIMA_CONTEXT_DIRTY_SHADER_VERT  = (1 << 2),
      LIMA_CONTEXT_DIRTY_SHADER_FRAG  = (1 << 3),
      LIMA_CONTEXT_DIRTY_VERTEX_ELEM  = (1 << 4),
      LIMA_CONTEXT_DIRTY_VERTEX_BUFF  = (1 << 5),
      LIMA_CONTEXT_DIRTY_VIEWPORT     = (1 << 6),
      LIMA_CONTEXT_DIRTY_SCISSOR      = (1 << 7),
      LIMA_CONTEXT_DIRTY_RASTERIZER   = (1 << 8),
      LIMA_CONTEXT_DIRTY_ZSA          = (1 << 9),
      LIMA_CONTEXT_DIRTY_BLEND_COLOR  = (1 << 10),
      LIMA_CONTEXT_DIRTY_BLEND        = (1 << 11),
      LIMA_CONTEXT_DIRTY_STENCIL_REF  = (1 << 12),
      LIMA_CONTEXT_DIRTY_CONST_BUFF   = (1 << 13),
      LIMA_CONTEXT_DIRTY_TEXTURES     = (1 << 14),
   } dirty;

   struct u_upload_mgr *uploader;
   struct u_suballocator *suballocator;
   struct blitter_context *blitter;

   struct slab_child_pool transfer_pool;

   struct lima_context_framebuffer framebuffer;
   struct lima_context_viewport_state viewport;
   struct pipe_scissor_state scissor;
   struct lima_context_clear clear;
   struct lima_vs_shader_state *vs;
   struct lima_fs_shader_state *fs;
   struct lima_vertex_element_state *vertex_elements;
   struct lima_context_vertex_buffer vertex_buffers;
   struct lima_rasterizer_state *rasterizer;
   struct lima_depth_stencil_alpha_state *zsa;
   struct pipe_blend_color blend_color;
   struct lima_blend_state *blend;
   struct pipe_stencil_ref stencil_ref;
   struct lima_context_constant_buffer const_buffer[PIPE_SHADER_TYPES];
   struct lima_texture_stateobj tex_stateobj;
   struct lima_pp_stream_state pp_stream;

   unsigned min_index;
   unsigned max_index;

   #define LIMA_CTX_PLB_MIN_NUM  1
   #define LIMA_CTX_PLB_MAX_NUM  4
   #define LIMA_CTX_PLB_DEF_NUM  2
   #define LIMA_CTX_PLB_BLK_SIZE 512
   unsigned plb_size;
   unsigned plb_gp_size;

   struct lima_bo *plb[LIMA_CTX_PLB_MAX_NUM];
   struct lima_bo *gp_tile_heap[LIMA_CTX_PLB_MAX_NUM];
   #define gp_tile_heap_size         0x100000
   struct lima_bo *plb_gp_stream;
   struct lima_bo *sh_varying;

   struct hash_table *plb_pp_stream;
   uint32_t plb_index;

   struct lima_ctx_buff_state buffer_state[lima_ctx_buff_num];

   struct util_dynarray vs_cmd_array;
   struct util_dynarray plbu_cmd_array;

   struct lima_submit *gp_submit;
   struct lima_submit *pp_submit;

   int id;

   struct pipe_debug_callback debug;

   int pp_max_stack_size;

   unsigned index_offset;
   struct lima_resource *index_res;
};

static inline struct lima_context *
lima_context(struct pipe_context *pctx)
{
   return (struct lima_context *)pctx;
}

struct lima_sampler_state {
   struct pipe_sampler_state base;
};

static inline struct lima_sampler_state *
lima_sampler_state(struct pipe_sampler_state *psstate)
{
   return (struct lima_sampler_state *)psstate;
}

struct lima_sampler_view {
   struct pipe_sampler_view base;
};

static inline struct lima_sampler_view *
lima_sampler_view(struct pipe_sampler_view *psview)
{
   return (struct lima_sampler_view *)psview;
}

#define LIMA_CTX_BUFF_SUBMIT_GP (1 << 0)
#define LIMA_CTX_BUFF_SUBMIT_PP (1 << 1)

uint32_t lima_ctx_buff_va(struct lima_context *ctx, enum lima_ctx_buff buff,
                          unsigned submit);
void *lima_ctx_buff_map(struct lima_context *ctx, enum lima_ctx_buff buff);
void *lima_ctx_buff_alloc(struct lima_context *ctx, enum lima_ctx_buff buff,
                          unsigned size, bool uploader);

void lima_state_init(struct lima_context *ctx);
void lima_state_fini(struct lima_context *ctx);
void lima_draw_init(struct lima_context *ctx);
void lima_program_init(struct lima_context *ctx);
void lima_query_init(struct lima_context *ctx);

struct pipe_context *
lima_context_create(struct pipe_screen *pscreen, void *priv, unsigned flags);

void lima_flush(struct lima_context *ctx);

bool lima_need_flush(struct lima_context *ctx, struct lima_bo *bo, bool write);
bool lima_is_scanout(struct lima_context *ctx);

#endif