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| Rev | Author | Line No. | Line |
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| 4358 | 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) 2013 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 "fd3_texture.h" |
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| 35 | #include "fd3_util.h" |
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| 36 | |||
| 37 | static enum a3xx_tex_clamp |
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| 38 | tex_clamp(unsigned wrap) |
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| 39 | { |
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| 40 | /* hardware probably supports more, but we can't coax all the |
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| 41 | * wrap/clamp modes out of the GLESv2 blob driver. |
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| 42 | * |
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| 43 | * TODO once we have basics working, go back and just try |
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| 44 | * different values and see what happens |
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| 45 | */ |
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| 46 | switch (wrap) { |
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| 47 | case PIPE_TEX_WRAP_REPEAT: |
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| 48 | return A3XX_TEX_REPEAT; |
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| 49 | case PIPE_TEX_WRAP_CLAMP: |
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| 50 | case PIPE_TEX_WRAP_CLAMP_TO_BORDER: |
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| 51 | case PIPE_TEX_WRAP_CLAMP_TO_EDGE: |
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| 52 | return A3XX_TEX_CLAMP_TO_EDGE; |
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| 53 | case PIPE_TEX_WRAP_MIRROR_CLAMP: |
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| 54 | case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER: |
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| 55 | case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE: |
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| 56 | case PIPE_TEX_WRAP_MIRROR_REPEAT: |
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| 57 | return A3XX_TEX_MIRROR_REPEAT; |
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| 58 | default: |
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| 59 | DBG("invalid wrap: %u", wrap); |
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| 60 | return 0; |
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| 61 | } |
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| 62 | } |
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| 63 | |||
| 64 | static enum a3xx_tex_filter |
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| 65 | tex_filter(unsigned filter) |
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| 66 | { |
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| 67 | switch (filter) { |
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| 68 | case PIPE_TEX_FILTER_NEAREST: |
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| 69 | return A3XX_TEX_NEAREST; |
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| 70 | case PIPE_TEX_FILTER_LINEAR: |
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| 71 | return A3XX_TEX_LINEAR; |
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| 72 | default: |
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| 73 | DBG("invalid filter: %u", filter); |
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| 74 | return 0; |
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| 75 | } |
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| 76 | } |
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| 77 | |||
| 78 | static void * |
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| 79 | fd3_sampler_state_create(struct pipe_context *pctx, |
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| 80 | const struct pipe_sampler_state *cso) |
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| 81 | { |
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| 82 | struct fd3_sampler_stateobj *so = CALLOC_STRUCT(fd3_sampler_stateobj); |
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| 83 | |||
| 84 | if (!so) |
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| 85 | return NULL; |
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| 86 | |||
| 87 | so->base = *cso; |
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| 88 | |||
| 89 | so->texsamp0 = |
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| 4401 | Serge | 90 | COND(!cso->normalized_coords, A3XX_TEX_SAMP_0_UNNORM_COORDS) | |
| 4358 | Serge | 91 | A3XX_TEX_SAMP_0_XY_MAG(tex_filter(cso->mag_img_filter)) | |
| 92 | A3XX_TEX_SAMP_0_XY_MIN(tex_filter(cso->min_img_filter)) | |
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| 93 | A3XX_TEX_SAMP_0_WRAP_S(tex_clamp(cso->wrap_s)) | |
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| 94 | A3XX_TEX_SAMP_0_WRAP_T(tex_clamp(cso->wrap_t)) | |
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| 95 | A3XX_TEX_SAMP_0_WRAP_R(tex_clamp(cso->wrap_r)); |
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| 96 | so->texsamp1 = 0x00000000; /* ??? */ |
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| 97 | |||
| 98 | return so; |
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| 99 | } |
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| 100 | |||
| 4401 | Serge | 101 | static enum a3xx_tex_type |
| 102 | tex_type(unsigned target) |
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| 103 | { |
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| 104 | switch (target) { |
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| 105 | default: |
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| 106 | assert(0); |
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| 107 | case PIPE_BUFFER: |
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| 108 | case PIPE_TEXTURE_1D: |
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| 109 | case PIPE_TEXTURE_1D_ARRAY: |
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| 110 | return A3XX_TEX_1D; |
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| 111 | case PIPE_TEXTURE_RECT: |
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| 112 | case PIPE_TEXTURE_2D: |
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| 113 | case PIPE_TEXTURE_2D_ARRAY: |
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| 114 | return A3XX_TEX_2D; |
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| 115 | case PIPE_TEXTURE_3D: |
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| 116 | return A3XX_TEX_3D; |
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| 117 | case PIPE_TEXTURE_CUBE: |
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| 118 | case PIPE_TEXTURE_CUBE_ARRAY: |
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| 119 | return A3XX_TEX_CUBE; |
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| 120 | } |
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| 121 | } |
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| 122 | |||
| 4358 | Serge | 123 | static struct pipe_sampler_view * |
| 124 | fd3_sampler_view_create(struct pipe_context *pctx, struct pipe_resource *prsc, |
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| 125 | const struct pipe_sampler_view *cso) |
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| 126 | { |
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| 127 | struct fd3_pipe_sampler_view *so = CALLOC_STRUCT(fd3_pipe_sampler_view); |
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| 128 | struct fd_resource *rsc = fd_resource(prsc); |
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| 129 | |||
| 130 | if (!so) |
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| 131 | return NULL; |
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| 132 | |||
| 133 | so->base = *cso; |
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| 134 | pipe_reference(NULL, &prsc->reference); |
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| 135 | so->base.texture = prsc; |
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| 136 | so->base.reference.count = 1; |
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| 137 | so->base.context = pctx; |
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| 138 | |||
| 139 | so->tex_resource = rsc; |
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| 140 | |||
| 141 | so->texconst0 = |
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| 4401 | Serge | 142 | A3XX_TEX_CONST_0_TYPE(tex_type(prsc->target)) | |
| 4358 | Serge | 143 | A3XX_TEX_CONST_0_FMT(fd3_pipe2tex(cso->format)) | |
| 144 | fd3_tex_swiz(cso->format, cso->swizzle_r, cso->swizzle_g, |
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| 145 | cso->swizzle_b, cso->swizzle_a); |
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| 146 | so->texconst1 = |
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| 147 | A3XX_TEX_CONST_1_FETCHSIZE(fd3_pipe2fetchsize(cso->format)) | |
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| 148 | A3XX_TEX_CONST_1_WIDTH(prsc->width0) | |
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| 149 | A3XX_TEX_CONST_1_HEIGHT(prsc->height0); |
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| 150 | /* when emitted, A3XX_TEX_CONST_2_INDX() must be OR'd in: */ |
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| 151 | so->texconst2 = |
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| 152 | A3XX_TEX_CONST_2_PITCH(rsc->pitch * rsc->cpp); |
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| 153 | so->texconst3 = 0x00000000; /* ??? */ |
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| 154 | |||
| 155 | return &so->base; |
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| 156 | } |
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| 157 | |||
| 158 | void |
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| 159 | fd3_texture_init(struct pipe_context *pctx) |
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| 160 | { |
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| 161 | pctx->create_sampler_state = fd3_sampler_state_create; |
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| 162 | pctx->create_sampler_view = fd3_sampler_view_create; |
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| 163 | } |