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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 5563 | serge | 1 | /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */ |
| 2 | |||
| 3 | /* |
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| 4 | * Copyright (C) 2012 Rob Clark |
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| 5 | * |
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| 6 | * Permission is hereby granted, free of charge, to any person obtaining a |
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| 7 | * copy of this software and associated documentation files (the "Software"), |
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| 8 | * to deal in the Software without restriction, including without limitation |
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| 9 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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| 10 | * and/or sell copies of the Software, and to permit persons to whom the |
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| 11 | * Software is furnished to do so, subject to the following conditions: |
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| 12 | * |
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| 13 | * The above copyright notice and this permission notice (including the next |
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| 14 | * paragraph) shall be included in all copies or substantial portions of the |
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| 15 | * Software. |
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| 16 | * |
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| 17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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| 18 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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| 19 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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| 20 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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| 21 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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| 22 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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| 23 | * SOFTWARE. |
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| 24 | * |
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| 25 | * Authors: |
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| 26 | * Rob Clark |
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| 27 | */ |
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| 28 | |||
| 29 | #include "pipe/p_state.h" |
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| 30 | #include "util/u_string.h" |
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| 31 | #include "util/u_memory.h" |
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| 32 | #include "util/u_inlines.h" |
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| 33 | |||
| 34 | #include "freedreno_texture.h" |
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| 35 | #include "freedreno_context.h" |
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| 36 | #include "freedreno_util.h" |
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| 37 | |||
| 38 | static void |
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| 39 | fd_sampler_state_delete(struct pipe_context *pctx, void *hwcso) |
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| 40 | { |
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| 41 | FREE(hwcso); |
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| 42 | } |
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| 43 | |||
| 44 | static void |
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| 45 | fd_sampler_view_destroy(struct pipe_context *pctx, |
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| 46 | struct pipe_sampler_view *view) |
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| 47 | { |
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| 48 | pipe_resource_reference(&view->texture, NULL); |
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| 49 | FREE(view); |
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| 50 | } |
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| 51 | |||
| 52 | static void bind_sampler_states(struct fd_texture_stateobj *prog, |
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| 53 | unsigned nr, void **hwcso) |
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| 54 | { |
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| 55 | unsigned i; |
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| 56 | unsigned new_nr = 0; |
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| 57 | |||
| 58 | for (i = 0; i < nr; i++) { |
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| 59 | if (hwcso[i]) |
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| 60 | new_nr++; |
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| 61 | prog->samplers[i] = hwcso[i]; |
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| 62 | prog->dirty_samplers |= (1 << i); |
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| 63 | } |
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| 64 | |||
| 65 | for (; i < prog->num_samplers; i++) { |
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| 66 | prog->samplers[i] = NULL; |
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| 67 | prog->dirty_samplers |= (1 << i); |
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| 68 | } |
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| 69 | |||
| 70 | prog->num_samplers = new_nr; |
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| 71 | } |
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| 72 | |||
| 73 | static void set_sampler_views(struct fd_texture_stateobj *prog, |
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| 74 | unsigned nr, struct pipe_sampler_view **views) |
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| 75 | { |
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| 76 | unsigned i; |
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| 77 | unsigned new_nr = 0; |
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| 78 | |||
| 79 | for (i = 0; i < nr; i++) { |
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| 80 | if (views[i]) |
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| 81 | new_nr++; |
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| 82 | pipe_sampler_view_reference(&prog->textures[i], views[i]); |
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| 83 | prog->dirty_samplers |= (1 << i); |
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| 84 | } |
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| 85 | |||
| 86 | for (; i < prog->num_textures; i++) { |
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| 87 | pipe_sampler_view_reference(&prog->textures[i], NULL); |
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| 88 | prog->dirty_samplers |= (1 << i); |
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| 89 | } |
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| 90 | |||
| 91 | prog->num_textures = new_nr; |
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| 92 | } |
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| 93 | |||
| 94 | static void |
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| 95 | fd_fragtex_sampler_states_bind(struct pipe_context *pctx, |
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| 96 | unsigned nr, void **hwcso) |
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| 97 | { |
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| 98 | struct fd_context *ctx = fd_context(pctx); |
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| 99 | |||
| 100 | /* on a2xx, since there is a flat address space for textures/samplers, |
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| 101 | * a change in # of fragment textures/samplers will trigger patching and |
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| 102 | * re-emitting the vertex shader: |
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| 103 | */ |
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| 104 | if (nr != ctx->fragtex.num_samplers) |
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| 105 | ctx->dirty |= FD_DIRTY_TEXSTATE; |
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| 106 | |||
| 107 | bind_sampler_states(&ctx->fragtex, nr, hwcso); |
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| 108 | ctx->dirty |= FD_DIRTY_FRAGTEX; |
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| 109 | } |
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| 110 | |||
| 111 | |||
| 112 | static void |
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| 113 | fd_fragtex_set_sampler_views(struct pipe_context *pctx, unsigned nr, |
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| 114 | struct pipe_sampler_view **views) |
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| 115 | { |
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| 116 | struct fd_context *ctx = fd_context(pctx); |
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| 117 | |||
| 118 | /* on a2xx, since there is a flat address space for textures/samplers, |
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| 119 | * a change in # of fragment textures/samplers will trigger patching and |
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| 120 | * re-emitting the vertex shader: |
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| 121 | */ |
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| 122 | if (nr != ctx->fragtex.num_textures) |
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| 123 | ctx->dirty |= FD_DIRTY_TEXSTATE; |
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| 124 | |||
| 125 | set_sampler_views(&ctx->fragtex, nr, views); |
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| 126 | ctx->dirty |= FD_DIRTY_FRAGTEX; |
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| 127 | } |
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| 128 | |||
| 129 | static void |
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| 130 | fd_verttex_sampler_states_bind(struct pipe_context *pctx, |
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| 131 | unsigned nr, void **hwcso) |
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| 132 | { |
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| 133 | struct fd_context *ctx = fd_context(pctx); |
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| 134 | bind_sampler_states(&ctx->verttex, nr, hwcso); |
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| 135 | ctx->dirty |= FD_DIRTY_VERTTEX; |
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| 136 | } |
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| 137 | |||
| 138 | |||
| 139 | static void |
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| 140 | fd_verttex_set_sampler_views(struct pipe_context *pctx, unsigned nr, |
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| 141 | struct pipe_sampler_view **views) |
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| 142 | { |
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| 143 | struct fd_context *ctx = fd_context(pctx); |
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| 144 | set_sampler_views(&ctx->verttex, nr, views); |
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| 145 | ctx->dirty |= FD_DIRTY_VERTTEX; |
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| 146 | } |
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| 147 | |||
| 148 | void |
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| 149 | fd_texture_init(struct pipe_context *pctx) |
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| 150 | { |
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| 151 | pctx->delete_sampler_state = fd_sampler_state_delete; |
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| 152 | |||
| 153 | pctx->sampler_view_destroy = fd_sampler_view_destroy; |
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| 154 | |||
| 155 | pctx->bind_fragment_sampler_states = fd_fragtex_sampler_states_bind; |
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| 156 | pctx->set_fragment_sampler_views = fd_fragtex_set_sampler_views; |
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| 157 | |||
| 158 | pctx->bind_vertex_sampler_states = fd_verttex_sampler_states_bind; |
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| 159 | pctx->set_vertex_sampler_views = fd_verttex_set_sampler_views; |
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| 160 | } |