src/gallium/drivers/iris/iris_program.c

   1 /*
   2  * Copyright © 2017 Intel Corporation
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * on the rights to use, copy, modify, merge, publish, distribute, sub
   8  * license, and/or sell copies of the Software, and to permit persons to whom
   9  * the Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  18  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  21  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  22  */
  23 #include <stdio.h>
  24 #include <errno.h>
  25 #include "pipe/p_defines.h"
  26 #include "pipe/p_state.h"
  27 #include "pipe/p_context.h"
  28 #include "pipe/p_screen.h"
  29 #include "util/u_atomic.h"
  30 #include "compiler/nir/nir.h"
  31 #include "compiler/nir/nir_builder.h"
  32 #include "intel/compiler/brw_compiler.h"
  33 #include "intel/compiler/brw_nir.h"
  34 #include "iris_context.h"
  35
  36 static unsigned
  37 get_new_program_id(struct iris_screen *screen)
  38 {
  39    return p_atomic_inc_return(&screen->program_id);
  40 }
  41
  42 struct iris_uncompiled_shader {
  43    struct pipe_shader_state base;
  44    unsigned program_id;
  45 };
  46
  47 static void *
  48 iris_create_shader_state(struct pipe_context *ctx,
  49                          const struct pipe_shader_state *state)
  50 {
  51    struct iris_context *ice = (struct iris_context *)ctx;
  52    struct iris_screen *screen = (struct iris_screen *)ctx->screen;
  53
  54    assert(state->type == PIPE_SHADER_IR_NIR);
  55
  56    nir_shader *nir = state->ir.nir;
  57
  58    struct iris_uncompiled_shader *cso =
  59       calloc(1, sizeof(struct iris_uncompiled_shader));
  60    if (!cso)
  61       return NULL;
  62
  63    nir = brw_preprocess_nir(screen->compiler, nir);
  64
  65    cso->program_id = get_new_program_id(screen);
  66    cso->base.type = PIPE_SHADER_IR_NIR;
  67    cso->base.ir.nir = nir;
  68
  69    return cso;
  70 }
  71
  72 static void
  73 iris_delete_shader_state(struct pipe_context *ctx, void *hwcso)
  74 {
  75    struct iris_uncompiled_shader *cso = hwcso;
  76
  77    ralloc_free(cso->base.ir.nir);
  78    free(cso);
  79 }
  80
  81 void
  82 iris_init_program_functions(struct pipe_context *ctx)
  83 {
  84    ctx->create_vs_state = iris_create_shader_state;
  85    ctx->create_tcs_state = iris_create_shader_state;
  86    ctx->create_tes_state = iris_create_shader_state;
  87    ctx->create_gs_state = iris_create_shader_state;
  88    ctx->create_fs_state = iris_create_shader_state;
  89
  90    ctx->delete_vs_state = iris_delete_shader_state;
  91    ctx->delete_tcs_state = iris_delete_shader_state;
  92    ctx->delete_tes_state = iris_delete_shader_state;
  93    ctx->delete_gs_state = iris_delete_shader_state;
  94    ctx->delete_fs_state = iris_delete_shader_state;
  95 }