2 * Copyright (C) 2010 Jorge Jimenez (jorge@iryoku.com)
3 * Copyright (C) 2010 Belen Masia (bmasia@unizar.es)
4 * Copyright (C) 2010 Jose I. Echevarria (joseignacioechevarria@gmail.com)
5 * Copyright (C) 2010 Fernando Navarro (fernandn@microsoft.com)
6 * Copyright (C) 2010 Diego Gutierrez (diegog@unizar.es)
7 * Copyright (C) 2011 Lauri Kasanen (cand@gmx.com)
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions are met:
13 * 1. Redistributions of source code must retain the above copyright notice,
14 * this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the following statement:
18 * "Uses Jimenez's MLAA. Copyright (C) 2010 by Jorge Jimenez, Belen Masia,
19 * Jose I. Echevarria, Fernando Navarro and Diego Gutierrez."
21 * Only for use in the Mesa project, this point 2 is filled by naming the
22 * technique Jimenez's MLAA in the Mesa config options.
24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS
25 * IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
26 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
27 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS OR CONTRIBUTORS
28 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
29 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
30 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
31 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
32 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
33 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
34 * POSSIBILITY OF SUCH DAMAGE.
36 * The views and conclusions contained in the software and documentation are
37 * those of the authors and should not be interpreted as representing official
38 * policies, either expressed or implied, of the copyright holders.
43 #include "postprocess/postprocess.h"
44 #include "postprocess/pp_mlaa.h"
45 #include "postprocess/pp_filters.h"
46 #include "util/u_blit.h"
47 #include "util/u_box.h"
48 #include "util/u_sampler.h"
49 #include "util/u_inlines.h"
50 #include "pipe/p_screen.h"
54 static float constants
[] = { 1, 1, 0, 0 };
55 static unsigned int dimensions
[2] = { 0, 0 };
57 static struct pipe_resource
*constbuf
, *areamaptex
;
59 /** Upload the constants. */
61 up_consts(struct pipe_context
*pipe
)
65 u_box_2d(0, 0, sizeof(constants
), 1, &box
);
66 pipe
->transfer_inline_write(pipe
, constbuf
, 0, PIPE_TRANSFER_WRITE
,
67 &box
, constants
, sizeof(constants
),
71 /** Run function of the MLAA filter. */
73 pp_jimenezmlaa_run(struct pp_queue_t
*ppq
, struct pipe_resource
*in
,
74 struct pipe_resource
*out
, unsigned int n
, bool iscolor
)
77 struct program
*p
= ppq
->p
;
79 struct pipe_depth_stencil_alpha_state mstencil
;
80 struct pipe_sampler_view v_tmp
, *arr
[3];
82 unsigned int w
= p
->framebuffer
.width
;
83 unsigned int h
= p
->framebuffer
.height
;
85 const struct pipe_stencil_ref ref
= { {1} };
86 memset(&mstencil
, 0, sizeof(mstencil
));
87 cso_set_stencil_ref(p
->cso
, &ref
);
89 /* Init the pixel size constant */
90 if (dimensions
[0] != p
->framebuffer
.width
||
91 dimensions
[1] != p
->framebuffer
.height
) {
92 constants
[0] = 1.0 / p
->framebuffer
.width
;
93 constants
[1] = 1.0 / p
->framebuffer
.height
;
96 dimensions
[0] = p
->framebuffer
.width
;
97 dimensions
[1] = p
->framebuffer
.height
;
100 p
->pipe
->set_constant_buffer(p
->pipe
, PIPE_SHADER_VERTEX
, 0, constbuf
);
101 p
->pipe
->set_constant_buffer(p
->pipe
, PIPE_SHADER_FRAGMENT
, 0, constbuf
);
103 mstencil
.stencil
[0].enabled
= 1;
104 mstencil
.stencil
[0].valuemask
= mstencil
.stencil
[0].writemask
= ~0;
105 mstencil
.stencil
[0].func
= PIPE_FUNC_ALWAYS
;
106 mstencil
.stencil
[0].fail_op
= PIPE_STENCIL_OP_KEEP
;
107 mstencil
.stencil
[0].zfail_op
= PIPE_STENCIL_OP_KEEP
;
108 mstencil
.stencil
[0].zpass_op
= PIPE_STENCIL_OP_REPLACE
;
110 p
->framebuffer
.zsbuf
= ppq
->stencils
;
112 /* First pass: depth edge detection */
114 pp_filter_setup_in(p
, in
);
116 pp_filter_setup_in(p
, ppq
->depth
);
118 pp_filter_setup_out(p
, ppq
->inner_tmp
[0]);
121 pp_filter_misc_state(p
);
122 cso_set_depth_stencil_alpha(p
->cso
, &mstencil
);
123 p
->pipe
->clear(p
->pipe
, PIPE_CLEAR_STENCIL
| PIPE_CLEAR_COLOR
,
124 p
->clear_color
, 0, 0);
126 cso_single_sampler(p
->cso
, 0, &p
->sampler_point
);
127 cso_single_sampler_done(p
->cso
);
128 cso_set_fragment_sampler_views(p
->cso
, 1, &p
->view
);
130 cso_set_vertex_shader_handle(p
->cso
, ppq
->shaders
[n
][1]); /* offsetvs */
131 cso_set_fragment_shader_handle(p
->cso
, ppq
->shaders
[n
][2]);
134 pp_filter_end_pass(p
);
137 /* Second pass: blend weights */
138 /* Sampler order: areamap, edgesmap, edgesmapL (reversed, thx compiler) */
139 mstencil
.stencil
[0].func
= PIPE_FUNC_EQUAL
;
140 mstencil
.stencil
[0].zpass_op
= PIPE_STENCIL_OP_KEEP
;
141 cso_set_depth_stencil_alpha(p
->cso
, &mstencil
);
143 pp_filter_setup_in(p
, areamaptex
);
144 pp_filter_setup_out(p
, ppq
->inner_tmp
[1]);
146 u_sampler_view_default_template(&v_tmp
, ppq
->inner_tmp
[0],
147 ppq
->inner_tmp
[0]->format
);
148 arr
[1] = arr
[2] = p
->pipe
->create_sampler_view(p
->pipe
,
149 ppq
->inner_tmp
[0], &v_tmp
);
151 pp_filter_set_clear_fb(p
);
153 cso_single_sampler(p
->cso
, 0, &p
->sampler_point
);
154 cso_single_sampler(p
->cso
, 1, &p
->sampler_point
);
155 cso_single_sampler(p
->cso
, 2, &p
->sampler
);
156 cso_single_sampler_done(p
->cso
);
159 cso_set_fragment_sampler_views(p
->cso
, 3, arr
);
161 cso_set_vertex_shader_handle(p
->cso
, ppq
->shaders
[n
][0]); /* passvs */
162 cso_set_fragment_shader_handle(p
->cso
, ppq
->shaders
[n
][3]);
165 pp_filter_end_pass(p
);
166 pipe_sampler_view_reference(&arr
[1], NULL
);
169 /* Third pass: smoothed edges */
170 /* Sampler order: colormap, blendmap (wtf compiler) */
171 pp_filter_setup_in(p
, ppq
->inner_tmp
[1]);
172 pp_filter_setup_out(p
, out
);
176 /* Blit the input to the output */
177 util_blit_pixels(p
->blitctx
, in
, 0, 0, 0,
178 w
, h
, 0, p
->framebuffer
.cbufs
[0],
179 0, 0, w
, h
, 0, PIPE_TEX_MIPFILTER_NEAREST
);
181 u_sampler_view_default_template(&v_tmp
, in
, in
->format
);
182 arr
[0] = p
->pipe
->create_sampler_view(p
->pipe
, in
, &v_tmp
);
184 cso_single_sampler(p
->cso
, 0, &p
->sampler_point
);
185 cso_single_sampler(p
->cso
, 1, &p
->sampler_point
);
186 cso_single_sampler_done(p
->cso
);
189 cso_set_fragment_sampler_views(p
->cso
, 2, arr
);
191 cso_set_vertex_shader_handle(p
->cso
, ppq
->shaders
[n
][1]); /* offsetvs */
192 cso_set_fragment_shader_handle(p
->cso
, ppq
->shaders
[n
][4]);
194 p
->blend
.rt
[0].blend_enable
= 1;
195 cso_set_blend(p
->cso
, &p
->blend
);
198 pp_filter_end_pass(p
);
199 pipe_sampler_view_reference(&arr
[0], NULL
);
201 p
->blend
.rt
[0].blend_enable
= 0;
202 p
->framebuffer
.zsbuf
= NULL
;
205 /** The init function of the MLAA filter. */
207 pp_jimenezmlaa_init_run(struct pp_queue_t
*ppq
, unsigned int n
,
208 unsigned int val
, bool iscolor
)
212 struct pipe_resource res
;
214 char *tmp_text
= calloc(sizeof(blend2fs_1
) + sizeof(blend2fs_2
) +
215 IMM_SPACE
, sizeof(char));
217 constbuf
= pipe_buffer_create(ppq
->p
->screen
, PIPE_BIND_CONSTANT_BUFFER
,
218 PIPE_USAGE_STATIC
, sizeof(constants
));
220 pp_debug("Failed to allocate constant buffer\n");
225 pp_debug("mlaa: using %u max search steps\n", val
);
228 pp_debug("Failed to allocate shader space\n");
231 sprintf(tmp_text
, "%s"
232 "IMM FLT32 { %.8f, 0.0000, 0.0000, 0.0000}\n"
233 "%s\n", blend2fs_1
, (float) val
, blend2fs_2
);
235 memset(&res
, 0, sizeof(res
));
237 res
.target
= PIPE_TEXTURE_2D
;
238 res
.format
= PIPE_FORMAT_R8G8_UNORM
;
239 res
.width0
= res
.height0
= 165;
240 res
.bind
= PIPE_BIND_SAMPLER_VIEW
;
241 res
.usage
= PIPE_USAGE_STATIC
;
242 res
.depth0
= res
.array_size
= res
.nr_samples
= 1;
244 if (!ppq
->p
->screen
->is_format_supported(ppq
->p
->screen
, res
.format
,
245 res
.target
, 1, res
.bind
))
246 pp_debug("Areamap format not supported\n");
248 areamaptex
= ppq
->p
->screen
->resource_create(ppq
->p
->screen
, &res
);
249 u_box_2d(0, 0, 165, 165, &box
);
251 ppq
->p
->pipe
->transfer_inline_write(ppq
->p
->pipe
, areamaptex
, 0,
252 PIPE_TRANSFER_WRITE
, &box
,
253 areamap
, 165 * 2, sizeof(areamap
));
257 ppq
->shaders
[n
][1] = pp_tgsi_to_state(ppq
->p
->pipe
, offsetvs
, true,
260 ppq
->shaders
[n
][2] = pp_tgsi_to_state(ppq
->p
->pipe
, color1fs
,
263 ppq
->shaders
[n
][2] = pp_tgsi_to_state(ppq
->p
->pipe
, depth1fs
,
265 ppq
->shaders
[n
][3] = pp_tgsi_to_state(ppq
->p
->pipe
, tmp_text
, false,
267 ppq
->shaders
[n
][4] = pp_tgsi_to_state(ppq
->p
->pipe
, neigh3fs
, false,
273 /** Short wrapper to init the depth version. */
275 pp_jimenezmlaa_init(struct pp_queue_t
*ppq
, unsigned int n
, unsigned int val
)
278 pp_jimenezmlaa_init_run(ppq
, n
, val
, false);
281 /** Short wrapper to init the color version. */
283 pp_jimenezmlaa_init_color(struct pp_queue_t
*ppq
, unsigned int n
,
287 pp_jimenezmlaa_init_run(ppq
, n
, val
, true);
290 /** Short wrapper to run the depth version. */
292 pp_jimenezmlaa(struct pp_queue_t
*ppq
, struct pipe_resource
*in
,
293 struct pipe_resource
*out
, unsigned int n
)
295 pp_jimenezmlaa_run(ppq
, in
, out
, n
, false);
298 /** Short wrapper to run the color version. */
300 pp_jimenezmlaa_color(struct pp_queue_t
*ppq
, struct pipe_resource
*in
,
301 struct pipe_resource
*out
, unsigned int n
)
303 pp_jimenezmlaa_run(ppq
, in
, out
, n
, true);