1 /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
4 * Copyright (C) 2014 Rob Clark <robclark@freedesktop.org>
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:
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
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
26 * Rob Clark <robclark@freedesktop.org>
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 #include "util/u_format.h"
35 #include "fd4_texture.h"
38 /* TODO do we need to emulate clamp-to-edge like a3xx? */
39 static enum a4xx_tex_clamp
40 tex_clamp(unsigned wrap
)
42 /* hardware probably supports more, but we can't coax all the
43 * wrap/clamp modes out of the GLESv2 blob driver.
45 * TODO once we have basics working, go back and just try
46 * different values and see what happens
49 case PIPE_TEX_WRAP_REPEAT
:
50 return A4XX_TEX_REPEAT
;
51 case PIPE_TEX_WRAP_CLAMP
:
52 case PIPE_TEX_WRAP_CLAMP_TO_EDGE
:
53 return A4XX_TEX_CLAMP_TO_EDGE
;
54 case PIPE_TEX_WRAP_CLAMP_TO_BORDER
:
56 // return A4XX_TEX_CLAMP_TO_BORDER;
57 case PIPE_TEX_WRAP_MIRROR_CLAMP
:
58 case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER
:
59 case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE
:
61 // return A4XX_TEX_MIRROR_CLAMP;
62 case PIPE_TEX_WRAP_MIRROR_REPEAT
:
63 return A4XX_TEX_MIRROR_REPEAT
;
65 DBG("invalid wrap: %u", wrap
);
70 static enum a4xx_tex_filter
71 tex_filter(unsigned filter
)
74 case PIPE_TEX_FILTER_NEAREST
:
75 return A4XX_TEX_NEAREST
;
76 case PIPE_TEX_FILTER_LINEAR
:
77 return A4XX_TEX_LINEAR
;
79 DBG("invalid filter: %u", filter
);
85 fd4_sampler_state_create(struct pipe_context
*pctx
,
86 const struct pipe_sampler_state
*cso
)
88 struct fd4_sampler_stateobj
*so
= CALLOC_STRUCT(fd4_sampler_stateobj
);
96 A4XX_TEX_SAMP_0_XY_MAG(tex_filter(cso
->mag_img_filter
)) |
97 A4XX_TEX_SAMP_0_XY_MIN(tex_filter(cso
->min_img_filter
)) |
98 A4XX_TEX_SAMP_0_WRAP_S(tex_clamp(cso
->wrap_s
)) |
99 A4XX_TEX_SAMP_0_WRAP_T(tex_clamp(cso
->wrap_t
)) |
100 A4XX_TEX_SAMP_0_WRAP_R(tex_clamp(cso
->wrap_r
));
103 COND(!cso
->normalized_coords
, A4XX_TEX_SAMP_1_UNNORM_COORDS
);
105 if (cso
->min_mip_filter
!= PIPE_TEX_MIPFILTER_NONE
) {
107 A4XX_TEX_SAMP_1_MIN_LOD(cso
->min_lod
) |
108 A4XX_TEX_SAMP_1_MAX_LOD(cso
->max_lod
);
111 if (cso
->compare_mode
)
112 so
->texsamp1
|= A4XX_TEX_SAMP_1_COMPARE_FUNC(cso
->compare_func
); /* maps 1:1 */
117 static enum a4xx_tex_type
118 tex_type(unsigned target
)
124 case PIPE_TEXTURE_1D
:
125 case PIPE_TEXTURE_1D_ARRAY
:
127 case PIPE_TEXTURE_RECT
:
128 case PIPE_TEXTURE_2D
:
129 case PIPE_TEXTURE_2D_ARRAY
:
131 case PIPE_TEXTURE_3D
:
133 case PIPE_TEXTURE_CUBE
:
134 case PIPE_TEXTURE_CUBE_ARRAY
:
135 return A4XX_TEX_CUBE
;
139 static struct pipe_sampler_view
*
140 fd4_sampler_view_create(struct pipe_context
*pctx
, struct pipe_resource
*prsc
,
141 const struct pipe_sampler_view
*cso
)
143 struct fd4_pipe_sampler_view
*so
= CALLOC_STRUCT(fd4_pipe_sampler_view
);
144 struct fd_resource
*rsc
= fd_resource(prsc
);
145 unsigned lvl
= cso
->u
.tex
.first_level
;
151 pipe_reference(NULL
, &prsc
->reference
);
152 so
->base
.texture
= prsc
;
153 so
->base
.reference
.count
= 1;
154 so
->base
.context
= pctx
;
156 so
->tex_resource
= rsc
;
159 A4XX_TEX_CONST_0_TYPE(tex_type(prsc
->target
)) |
160 A4XX_TEX_CONST_0_FMT(fd4_pipe2tex(cso
->format
)) |
161 fd4_tex_swiz(cso
->format
, cso
->swizzle_r
, cso
->swizzle_g
,
162 cso
->swizzle_b
, cso
->swizzle_a
);
165 A4XX_TEX_CONST_1_WIDTH(prsc
->width0
) |
166 A4XX_TEX_CONST_1_HEIGHT(prsc
->height0
);
168 A4XX_TEX_CONST_2_PITCH(rsc
->slices
[lvl
].pitch
* rsc
->cpp
);
170 switch (prsc
->target
) {
171 case PIPE_TEXTURE_1D_ARRAY
:
172 case PIPE_TEXTURE_2D_ARRAY
:
173 case PIPE_TEXTURE_3D
:
175 A4XX_TEX_CONST_3_LAYERSZ(rsc
->slices
[0].size0
);
178 so
->texconst3
= 0x00000000;
186 fd4_texture_init(struct pipe_context
*pctx
)
188 pctx
->create_sampler_state
= fd4_sampler_state_create
;
189 pctx
->bind_sampler_states
= fd_sampler_states_bind
;
190 pctx
->create_sampler_view
= fd4_sampler_view_create
;
191 pctx
->set_sampler_views
= fd_set_sampler_views
;