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.
41 #include "pipe/p_compiler.h"
43 #include "postprocess/postprocess.h"
44 #include "postprocess/pp_mlaa.h"
45 #include "postprocess/pp_filters.h"
46 #include "postprocess/pp_private.h"
48 #include "util/u_box.h"
49 #include "util/u_sampler.h"
50 #include "util/u_inlines.h"
51 #include "util/u_memory.h"
52 #include "util/u_string.h"
53 #include "pipe/p_screen.h"
57 static float constants
[] = { 1, 1, 0, 0 };
58 static unsigned int dimensions
[2] = { 0, 0 };
60 /** Run function of the MLAA filter. */
62 pp_jimenezmlaa_run(struct pp_queue_t
*ppq
, struct pipe_resource
*in
,
63 struct pipe_resource
*out
, unsigned int n
, bool iscolor
)
66 struct pp_program
*p
= ppq
->p
;
68 struct pipe_depth_stencil_alpha_state mstencil
;
69 struct pipe_sampler_view v_tmp
, *arr
[3];
74 const struct pipe_stencil_ref ref
= { {1} };
76 /* Insufficient initialization checks. */
79 assert(ppq
->areamaptex
);
80 assert(ppq
->inner_tmp
);
81 assert(ppq
->shaders
[n
]);
83 w
= p
->framebuffer
.width
;
84 h
= p
->framebuffer
.height
;
86 memset(&mstencil
, 0, sizeof(mstencil
));
88 cso_set_stencil_ref(p
->cso
, &ref
);
90 /* Init the pixel size constant */
91 if (dimensions
[0] != p
->framebuffer
.width
||
92 dimensions
[1] != p
->framebuffer
.height
) {
93 constants
[0] = 1.0f
/ p
->framebuffer
.width
;
94 constants
[1] = 1.0f
/ p
->framebuffer
.height
;
96 dimensions
[0] = p
->framebuffer
.width
;
97 dimensions
[1] = p
->framebuffer
.height
;
100 cso_set_constant_user_buffer(p
->cso
, PIPE_SHADER_VERTEX
,
101 0, constants
, sizeof(constants
));
102 cso_set_constant_user_buffer(p
->cso
, PIPE_SHADER_FRAGMENT
,
103 0, constants
, sizeof(constants
));
105 mstencil
.stencil
[0].enabled
= 1;
106 mstencil
.stencil
[0].valuemask
= mstencil
.stencil
[0].writemask
= ~0;
107 mstencil
.stencil
[0].func
= PIPE_FUNC_ALWAYS
;
108 mstencil
.stencil
[0].fail_op
= PIPE_STENCIL_OP_KEEP
;
109 mstencil
.stencil
[0].zfail_op
= PIPE_STENCIL_OP_KEEP
;
110 mstencil
.stencil
[0].zpass_op
= PIPE_STENCIL_OP_REPLACE
;
112 p
->framebuffer
.zsbuf
= ppq
->stencils
;
114 /* First pass: depth edge detection */
116 pp_filter_setup_in(p
, in
);
118 pp_filter_setup_in(p
, ppq
->depth
);
120 pp_filter_setup_out(p
, ppq
->inner_tmp
[0]);
123 pp_filter_misc_state(p
);
124 cso_set_depth_stencil_alpha(p
->cso
, &mstencil
);
125 p
->pipe
->clear(p
->pipe
, PIPE_CLEAR_STENCIL
| PIPE_CLEAR_COLOR0
,
126 &p
->clear_color
, 0, 0);
129 const struct pipe_sampler_state
*samplers
[] = {&p
->sampler_point
};
130 cso_set_samplers(p
->cso
, PIPE_SHADER_FRAGMENT
, 1, samplers
);
132 cso_set_sampler_views(p
->cso
, PIPE_SHADER_FRAGMENT
, 1, &p
->view
);
134 cso_set_vertex_shader_handle(p
->cso
, ppq
->shaders
[n
][1]); /* offsetvs */
135 cso_set_fragment_shader_handle(p
->cso
, ppq
->shaders
[n
][2]);
138 pp_filter_end_pass(p
);
141 /* Second pass: blend weights */
142 /* Sampler order: areamap, edgesmap, edgesmapL (reversed, thx compiler) */
143 mstencil
.stencil
[0].func
= PIPE_FUNC_EQUAL
;
144 mstencil
.stencil
[0].zpass_op
= PIPE_STENCIL_OP_KEEP
;
145 cso_set_depth_stencil_alpha(p
->cso
, &mstencil
);
147 pp_filter_setup_in(p
, ppq
->areamaptex
);
148 pp_filter_setup_out(p
, ppq
->inner_tmp
[1]);
150 u_sampler_view_default_template(&v_tmp
, ppq
->inner_tmp
[0],
151 ppq
->inner_tmp
[0]->format
);
152 arr
[1] = arr
[2] = p
->pipe
->create_sampler_view(p
->pipe
,
153 ppq
->inner_tmp
[0], &v_tmp
);
155 pp_filter_set_clear_fb(p
);
158 const struct pipe_sampler_state
*samplers
[] =
159 {&p
->sampler_point
, &p
->sampler_point
, &p
->sampler
};
160 cso_set_samplers(p
->cso
, PIPE_SHADER_FRAGMENT
, 3, samplers
);
164 cso_set_sampler_views(p
->cso
, PIPE_SHADER_FRAGMENT
, 3, arr
);
166 cso_set_vertex_shader_handle(p
->cso
, ppq
->shaders
[n
][0]); /* passvs */
167 cso_set_fragment_shader_handle(p
->cso
, ppq
->shaders
[n
][3]);
170 pp_filter_end_pass(p
);
171 pipe_sampler_view_reference(&arr
[1], NULL
);
174 /* Third pass: smoothed edges */
175 /* Sampler order: colormap, blendmap (wtf compiler) */
176 pp_filter_setup_in(p
, ppq
->inner_tmp
[1]);
177 pp_filter_setup_out(p
, out
);
181 /* Blit the input to the output */
182 pp_blit(p
->pipe
, in
, 0, 0,
183 w
, h
, 0, p
->framebuffer
.cbufs
[0],
186 u_sampler_view_default_template(&v_tmp
, in
, in
->format
);
187 arr
[0] = p
->pipe
->create_sampler_view(p
->pipe
, in
, &v_tmp
);
190 const struct pipe_sampler_state
*samplers
[] =
191 {&p
->sampler_point
, &p
->sampler_point
};
192 cso_set_samplers(p
->cso
, PIPE_SHADER_FRAGMENT
, 2, samplers
);
196 cso_set_sampler_views(p
->cso
, PIPE_SHADER_FRAGMENT
, 2, arr
);
198 cso_set_vertex_shader_handle(p
->cso
, ppq
->shaders
[n
][1]); /* offsetvs */
199 cso_set_fragment_shader_handle(p
->cso
, ppq
->shaders
[n
][4]);
201 p
->blend
.rt
[0].blend_enable
= 1;
202 cso_set_blend(p
->cso
, &p
->blend
);
205 pp_filter_end_pass(p
);
206 pipe_sampler_view_reference(&arr
[0], NULL
);
208 p
->blend
.rt
[0].blend_enable
= 0;
209 p
->framebuffer
.zsbuf
= NULL
;
212 /** The init function of the MLAA filter. */
214 pp_jimenezmlaa_init_run(struct pp_queue_t
*ppq
, unsigned int n
,
215 unsigned int val
, bool iscolor
)
219 struct pipe_resource res
;
220 char *tmp_text
= NULL
;
222 tmp_text
= CALLOC(sizeof(blend2fs_1
) + sizeof(blend2fs_2
) +
223 IMM_SPACE
, sizeof(char));
226 pp_debug("Failed to allocate shader space\n");
230 pp_debug("mlaa: using %u max search steps\n", val
);
232 util_sprintf(tmp_text
, "%s"
233 "IMM FLT32 { %.8f, 0.0000, 0.0000, 0.0000}\n"
234 "%s\n", blend2fs_1
, (float) val
, blend2fs_2
);
236 memset(&res
, 0, sizeof(res
));
238 res
.target
= PIPE_TEXTURE_2D
;
239 res
.format
= PIPE_FORMAT_R8G8_UNORM
;
240 res
.width0
= res
.height0
= 165;
241 res
.bind
= PIPE_BIND_SAMPLER_VIEW
;
242 res
.usage
= PIPE_USAGE_DEFAULT
;
243 res
.depth0
= res
.array_size
= res
.nr_samples
= res
.nr_storage_samples
= 1;
245 if (!ppq
->p
->screen
->is_format_supported(ppq
->p
->screen
, res
.format
,
246 res
.target
, 1, res
.bind
))
247 pp_debug("Areamap format not supported\n");
249 ppq
->areamaptex
= ppq
->p
->screen
->resource_create(ppq
->p
->screen
, &res
);
251 if (ppq
->areamaptex
== NULL
) {
252 pp_debug("Failed to allocate area map texture\n");
256 u_box_2d(0, 0, 165, 165, &box
);
258 ppq
->p
->pipe
->texture_subdata(ppq
->p
->pipe
, ppq
->areamaptex
, 0,
259 PIPE_TRANSFER_WRITE
, &box
,
260 areamap
, 165 * 2, sizeof(areamap
));
262 ppq
->shaders
[n
][1] = pp_tgsi_to_state(ppq
->p
->pipe
, offsetvs
, true,
265 ppq
->shaders
[n
][2] = pp_tgsi_to_state(ppq
->p
->pipe
, color1fs
,
268 ppq
->shaders
[n
][2] = pp_tgsi_to_state(ppq
->p
->pipe
, depth1fs
,
270 ppq
->shaders
[n
][3] = pp_tgsi_to_state(ppq
->p
->pipe
, tmp_text
, false,
272 ppq
->shaders
[n
][4] = pp_tgsi_to_state(ppq
->p
->pipe
, neigh3fs
, false,
284 * Call the common free function for destruction of partially initialized
287 pp_jimenezmlaa_free(ppq
, n
);
292 /** Short wrapper to init the depth version. */
294 pp_jimenezmlaa_init(struct pp_queue_t
*ppq
, unsigned int n
, unsigned int val
)
296 return pp_jimenezmlaa_init_run(ppq
, n
, val
, false);
299 /** Short wrapper to init the color version. */
301 pp_jimenezmlaa_init_color(struct pp_queue_t
*ppq
, unsigned int n
,
304 return pp_jimenezmlaa_init_run(ppq
, n
, val
, true);
307 /** Short wrapper to run the depth version. */
309 pp_jimenezmlaa(struct pp_queue_t
*ppq
, struct pipe_resource
*in
,
310 struct pipe_resource
*out
, unsigned int n
)
315 pp_jimenezmlaa_run(ppq
, in
, out
, n
, false);
318 /** Short wrapper to run the color version. */
320 pp_jimenezmlaa_color(struct pp_queue_t
*ppq
, struct pipe_resource
*in
,
321 struct pipe_resource
*out
, unsigned int n
)
323 pp_jimenezmlaa_run(ppq
, in
, out
, n
, true);
328 * Short wrapper to free the mlaa filter resources. Shaders are freed in
329 * the common code in pp_free.
332 pp_jimenezmlaa_free(struct pp_queue_t
*ppq
, unsigned int n
)
334 pipe_resource_reference(&ppq
->areamaptex
, NULL
);