Go to most recent revision | Details | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 5564 | serge | 1 | /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */ |
| 2 | |||
| 3 | /* |
||
| 4 | * Copyright (C) 2012-2013 Rob Clark |
||
| 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 (including the next |
||
| 14 | * paragraph) shall be included in all copies or substantial portions of the |
||
| 15 | * Software. |
||
| 16 | * |
||
| 17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
||
| 18 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
||
| 19 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
||
| 20 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
||
| 21 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
||
| 22 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
||
| 23 | * SOFTWARE. |
||
| 24 | * |
||
| 25 | * Authors: |
||
| 26 | * Rob Clark |
||
| 27 | */ |
||
| 28 | |||
| 29 | #include "pipe/p_state.h" |
||
| 30 | #include "util/u_string.h" |
||
| 31 | #include "util/u_memory.h" |
||
| 32 | #include "util/u_inlines.h" |
||
| 33 | |||
| 34 | #include "fd2_texture.h" |
||
| 35 | #include "fd2_util.h" |
||
| 36 | |||
| 37 | static enum sq_tex_clamp |
||
| 38 | tex_clamp(unsigned wrap) |
||
| 39 | { |
||
| 40 | switch (wrap) { |
||
| 41 | case PIPE_TEX_WRAP_REPEAT: |
||
| 42 | return SQ_TEX_WRAP; |
||
| 43 | case PIPE_TEX_WRAP_CLAMP: |
||
| 44 | return SQ_TEX_CLAMP_HALF_BORDER; |
||
| 45 | case PIPE_TEX_WRAP_CLAMP_TO_EDGE: |
||
| 46 | return SQ_TEX_CLAMP_LAST_TEXEL; |
||
| 47 | case PIPE_TEX_WRAP_CLAMP_TO_BORDER: |
||
| 48 | return SQ_TEX_CLAMP_BORDER; |
||
| 49 | case PIPE_TEX_WRAP_MIRROR_REPEAT: |
||
| 50 | return SQ_TEX_MIRROR; |
||
| 51 | case PIPE_TEX_WRAP_MIRROR_CLAMP: |
||
| 52 | return SQ_TEX_MIRROR_ONCE_HALF_BORDER; |
||
| 53 | case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE: |
||
| 54 | return SQ_TEX_MIRROR_ONCE_LAST_TEXEL; |
||
| 55 | case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER: |
||
| 56 | return SQ_TEX_MIRROR_ONCE_BORDER; |
||
| 57 | default: |
||
| 58 | DBG("invalid wrap: %u", wrap); |
||
| 59 | return 0; |
||
| 60 | } |
||
| 61 | } |
||
| 62 | |||
| 63 | static enum sq_tex_filter |
||
| 64 | tex_filter(unsigned filter) |
||
| 65 | { |
||
| 66 | switch (filter) { |
||
| 67 | case PIPE_TEX_FILTER_NEAREST: |
||
| 68 | return SQ_TEX_FILTER_POINT; |
||
| 69 | case PIPE_TEX_FILTER_LINEAR: |
||
| 70 | return SQ_TEX_FILTER_BILINEAR; |
||
| 71 | default: |
||
| 72 | DBG("invalid filter: %u", filter); |
||
| 73 | return 0; |
||
| 74 | } |
||
| 75 | } |
||
| 76 | |||
| 77 | static void * |
||
| 78 | fd2_sampler_state_create(struct pipe_context *pctx, |
||
| 79 | const struct pipe_sampler_state *cso) |
||
| 80 | { |
||
| 81 | struct fd2_sampler_stateobj *so = CALLOC_STRUCT(fd2_sampler_stateobj); |
||
| 82 | |||
| 83 | if (!so) |
||
| 84 | return NULL; |
||
| 85 | |||
| 86 | so->base = *cso; |
||
| 87 | |||
| 88 | /* SQ_TEX0_PITCH() must be OR'd in later when we know the bound texture: */ |
||
| 89 | so->tex0 = |
||
| 90 | A2XX_SQ_TEX_0_CLAMP_X(tex_clamp(cso->wrap_s)) | |
||
| 91 | A2XX_SQ_TEX_0_CLAMP_Y(tex_clamp(cso->wrap_t)) | |
||
| 92 | A2XX_SQ_TEX_0_CLAMP_Z(tex_clamp(cso->wrap_r)); |
||
| 93 | |||
| 94 | so->tex3 = |
||
| 95 | A2XX_SQ_TEX_3_XY_MAG_FILTER(tex_filter(cso->mag_img_filter)) | |
||
| 96 | A2XX_SQ_TEX_3_XY_MIN_FILTER(tex_filter(cso->min_img_filter)); |
||
| 97 | |||
| 98 | so->tex4 = 0x00000000; /* ??? */ |
||
| 99 | so->tex5 = 0x00000200; /* ??? */ |
||
| 100 | |||
| 101 | return so; |
||
| 102 | } |
||
| 103 | |||
| 104 | static void |
||
| 105 | fd2_sampler_states_bind(struct pipe_context *pctx, |
||
| 106 | unsigned shader, unsigned start, |
||
| 107 | unsigned nr, void **hwcso) |
||
| 108 | { |
||
| 109 | if (shader == PIPE_SHADER_FRAGMENT) { |
||
| 110 | struct fd_context *ctx = fd_context(pctx); |
||
| 111 | |||
| 112 | /* on a2xx, since there is a flat address space for textures/samplers, |
||
| 113 | * a change in # of fragment textures/samplers will trigger patching and |
||
| 114 | * re-emitting the vertex shader: |
||
| 115 | */ |
||
| 116 | if (nr != ctx->fragtex.num_samplers) |
||
| 117 | ctx->dirty |= FD_DIRTY_TEXSTATE; |
||
| 118 | } |
||
| 119 | |||
| 120 | fd_sampler_states_bind(pctx, shader, start, nr, hwcso); |
||
| 121 | } |
||
| 122 | |||
| 123 | static struct pipe_sampler_view * |
||
| 124 | fd2_sampler_view_create(struct pipe_context *pctx, struct pipe_resource *prsc, |
||
| 125 | const struct pipe_sampler_view *cso) |
||
| 126 | { |
||
| 127 | struct fd2_pipe_sampler_view *so = CALLOC_STRUCT(fd2_pipe_sampler_view); |
||
| 128 | struct fd_resource *rsc = fd_resource(prsc); |
||
| 129 | |||
| 130 | if (!so) |
||
| 131 | return NULL; |
||
| 132 | |||
| 133 | so->base = *cso; |
||
| 134 | pipe_reference(NULL, &prsc->reference); |
||
| 135 | so->base.texture = prsc; |
||
| 136 | so->base.reference.count = 1; |
||
| 137 | so->base.context = pctx; |
||
| 138 | |||
| 139 | so->fmt = fd2_pipe2surface(cso->format); |
||
| 140 | |||
| 141 | so->tex0 = A2XX_SQ_TEX_0_PITCH(rsc->slices[0].pitch); |
||
| 142 | so->tex2 = |
||
| 143 | A2XX_SQ_TEX_2_HEIGHT(prsc->height0 - 1) | |
||
| 144 | A2XX_SQ_TEX_2_WIDTH(prsc->width0 - 1); |
||
| 145 | so->tex3 = fd2_tex_swiz(cso->format, cso->swizzle_r, cso->swizzle_g, |
||
| 146 | cso->swizzle_b, cso->swizzle_a); |
||
| 147 | |||
| 148 | return &so->base; |
||
| 149 | } |
||
| 150 | |||
| 151 | /* map gallium sampler-id to hw const-idx.. adreno uses a flat address |
||
| 152 | * space of samplers (const-idx), so we need to map the gallium sampler-id |
||
| 153 | * which is per-shader to a global const-idx space. |
||
| 154 | * |
||
| 155 | * Fragment shader sampler maps directly to const-idx, and vertex shader |
||
| 156 | * is offset by the # of fragment shader samplers. If the # of fragment |
||
| 157 | * shader samplers changes, this shifts the vertex shader indexes. |
||
| 158 | * |
||
| 159 | * TODO maybe we can do frag shader 0..N and vert shader N..0 to avoid |
||
| 160 | * this?? |
||
| 161 | */ |
||
| 162 | unsigned |
||
| 163 | fd2_get_const_idx(struct fd_context *ctx, struct fd_texture_stateobj *tex, |
||
| 164 | unsigned samp_id) |
||
| 165 | { |
||
| 166 | if (tex == &ctx->fragtex) |
||
| 167 | return samp_id; |
||
| 168 | return samp_id + ctx->fragtex.num_samplers; |
||
| 169 | } |
||
| 170 | |||
| 171 | void |
||
| 172 | fd2_texture_init(struct pipe_context *pctx) |
||
| 173 | { |
||
| 174 | pctx->create_sampler_state = fd2_sampler_state_create; |
||
| 175 | pctx->bind_sampler_states = fd2_sampler_states_bind; |
||
| 176 | pctx->create_sampler_view = fd2_sampler_view_create; |
||
| 177 | pctx->set_sampler_views = fd_set_sampler_views; |
||
| 178 | } |