src/gallium/drivers/llvmpipe/lp_state_cs.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2019 Red Hat.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included
  14  * in all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  17  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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  21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  22  * SOFTWARE.
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  24  **************************************************************************/
  25
  26 #ifndef LP_STATE_CS_H
  27 #define LP_STATE_CS_H
  28
  29 #include "os/os_thread.h"
  30 #include "util/u_thread.h"
  31 #include "pipe/p_state.h"
  32
  33 #include "gallivm/lp_bld.h"
  34 #include "gallivm/lp_bld_tgsi.h" /* for lp_tgsi_info */
  35 #include "lp_jit.h"
  36
  37 struct lp_compute_shader_variant;
  38
  39 struct lp_compute_shader_variant_key
  40 {
  41 };
  42
  43 struct lp_cs_variant_list_item
  44 {
  45    struct lp_compute_shader_variant *base;
  46    struct lp_cs_variant_list_item *next, *prev;
  47 };
  48
  49 struct lp_compute_shader_variant
  50 {
  51    struct lp_compute_shader_variant_key key;
  52
  53    struct gallivm_state *gallivm;
  54
  55    LLVMTypeRef jit_cs_context_ptr_type;
  56    LLVMTypeRef jit_cs_thread_data_ptr_type;
  57
  58    LLVMValueRef function;
  59    lp_jit_cs_func jit_function;
  60
  61    /* Total number of LLVM instructions generated */
  62    unsigned nr_instrs;
  63
  64    struct lp_cs_variant_list_item list_item_global, list_item_local;
  65
  66    struct lp_compute_shader *shader;
  67
  68    /* For debugging/profiling purposes */
  69    unsigned no;
  70 };
  71
  72 struct lp_compute_shader {
  73    struct pipe_shader_state base;
  74
  75    struct lp_cs_variant_list_item variants;
  76
  77    struct lp_tgsi_info info;
  78    /* For debugging/profiling purposes */
  79    unsigned variant_key_size;
  80    unsigned no;
  81    unsigned variants_created;
  82    unsigned variants_cached;
  83 };
  84
  85 struct lp_cs_exec {
  86    struct lp_jit_cs_context jit_context;
  87    struct lp_compute_shader_variant *variant;
  88 };
  89
  90 struct lp_cs_context {
  91    struct pipe_context *pipe;
  92
  93    struct {
  94       struct lp_cs_exec current;
  95    } cs;
  96
  97    /** compute shader constants */
  98    struct {
  99       struct pipe_constant_buffer current;
 100       unsigned stored_size;
 101       const void *stored_data;
 102    } constants[LP_MAX_TGSI_CONST_BUFFERS];
 103 };
 104
 105 struct lp_cs_context *lp_csctx_create(struct pipe_context *pipe);
 106 void lp_csctx_destroy(struct lp_cs_context *csctx);
 107
 108 #endif