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 "util/u_blit.h"
47 #include "util/u_box.h"
48 #include "util/u_sampler.h"
49 #include "util/u_inlines.h"
50 #include "util/u_memory.h"
51 #include "util/u_string.h"
52 #include "pipe/p_screen.h"
56 static float constants
[] = { 1, 1, 0, 0 };
57 static unsigned int dimensions
[2] = { 0, 0 };
59 static struct pipe_resource
*constbuf
, *areamaptex
;
61 /** Upload the constants. */
63 up_consts(struct pipe_context
*pipe
)
67 u_box_2d(0, 0, sizeof(constants
), 1, &box
);
68 pipe
->transfer_inline_write(pipe
, constbuf
, 0, PIPE_TRANSFER_WRITE
,
69 &box
, constants
, sizeof(constants
),
73 /** Run function of the MLAA filter. */
75 pp_jimenezmlaa_run(struct pp_queue_t
*ppq
, struct pipe_resource
*in
,
76 struct pipe_resource
*out
, unsigned int n
, bool iscolor
)
79 struct program
*p
= ppq
->p
;
81 struct pipe_depth_stencil_alpha_state mstencil
;
82 struct pipe_sampler_view v_tmp
, *arr
[3];
84 unsigned int w
= p
->framebuffer
.width
;
85 unsigned int h
= p
->framebuffer
.height
;
87 const struct pipe_stencil_ref ref
= { {1} };
88 memset(&mstencil
, 0, sizeof(mstencil
));
89 cso_set_stencil_ref(p
->cso
, &ref
);
91 /* Init the pixel size constant */
92 if (dimensions
[0] != p
->framebuffer
.width
||
93 dimensions
[1] != p
->framebuffer
.height
) {
94 constants
[0] = 1.0 / p
->framebuffer
.width
;
95 constants
[1] = 1.0 / p
->framebuffer
.height
;
98 dimensions
[0] = p
->framebuffer
.width
;
99 dimensions
[1] = p
->framebuffer
.height
;
102 pipe_set_constant_buffer(p
->pipe
, PIPE_SHADER_VERTEX
, 0, constbuf
);
103 pipe_set_constant_buffer(p
->pipe
, PIPE_SHADER_FRAGMENT
, 0, constbuf
);
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_COLOR
,
126 &p
->clear_color
, 0, 0);
128 cso_single_sampler(p
->cso
, 0, &p
->sampler_point
);
129 cso_single_sampler_done(p
->cso
);
130 cso_set_fragment_sampler_views(p
->cso
, 1, &p
->view
);
132 cso_set_vertex_shader_handle(p
->cso
, ppq
->shaders
[n
][1]); /* offsetvs */
133 cso_set_fragment_shader_handle(p
->cso
, ppq
->shaders
[n
][2]);
136 pp_filter_end_pass(p
);
139 /* Second pass: blend weights */
140 /* Sampler order: areamap, edgesmap, edgesmapL (reversed, thx compiler) */
141 mstencil
.stencil
[0].func
= PIPE_FUNC_EQUAL
;
142 mstencil
.stencil
[0].zpass_op
= PIPE_STENCIL_OP_KEEP
;
143 cso_set_depth_stencil_alpha(p
->cso
, &mstencil
);
145 pp_filter_setup_in(p
, areamaptex
);
146 pp_filter_setup_out(p
, ppq
->inner_tmp
[1]);
148 u_sampler_view_default_template(&v_tmp
, ppq
->inner_tmp
[0],
149 ppq
->inner_tmp
[0]->format
);
150 arr
[1] = arr
[2] = p
->pipe
->create_sampler_view(p
->pipe
,
151 ppq
->inner_tmp
[0], &v_tmp
);
153 pp_filter_set_clear_fb(p
);
155 cso_single_sampler(p
->cso
, 0, &p
->sampler_point
);
156 cso_single_sampler(p
->cso
, 1, &p
->sampler_point
);
157 cso_single_sampler(p
->cso
, 2, &p
->sampler
);
158 cso_single_sampler_done(p
->cso
);
161 cso_set_fragment_sampler_views(p
->cso
, 3, arr
);
163 cso_set_vertex_shader_handle(p
->cso
, ppq
->shaders
[n
][0]); /* passvs */
164 cso_set_fragment_shader_handle(p
->cso
, ppq
->shaders
[n
][3]);
167 pp_filter_end_pass(p
);
168 pipe_sampler_view_reference(&arr
[1], NULL
);
171 /* Third pass: smoothed edges */
172 /* Sampler order: colormap, blendmap (wtf compiler) */
173 pp_filter_setup_in(p
, ppq
->inner_tmp
[1]);
174 pp_filter_setup_out(p
, out
);
178 /* Blit the input to the output */
179 util_blit_pixels(p
->blitctx
, in
, 0, 0, 0,
180 w
, h
, 0, p
->framebuffer
.cbufs
[0],
181 0, 0, w
, h
, 0, PIPE_TEX_MIPFILTER_NEAREST
,
182 TGSI_WRITEMASK_XYZW
);
184 u_sampler_view_default_template(&v_tmp
, in
, in
->format
);
185 arr
[0] = p
->pipe
->create_sampler_view(p
->pipe
, in
, &v_tmp
);
187 cso_single_sampler(p
->cso
, 0, &p
->sampler_point
);
188 cso_single_sampler(p
->cso
, 1, &p
->sampler_point
);
189 cso_single_sampler_done(p
->cso
);
192 cso_set_fragment_sampler_views(p
->cso
, 2, arr
);
194 cso_set_vertex_shader_handle(p
->cso
, ppq
->shaders
[n
][1]); /* offsetvs */
195 cso_set_fragment_shader_handle(p
->cso
, ppq
->shaders
[n
][4]);
197 p
->blend
.rt
[0].blend_enable
= 1;
198 cso_set_blend(p
->cso
, &p
->blend
);
201 pp_filter_end_pass(p
);
202 pipe_sampler_view_reference(&arr
[0], NULL
);
204 p
->blend
.rt
[0].blend_enable
= 0;
205 p
->framebuffer
.zsbuf
= NULL
;
208 /** The init function of the MLAA filter. */
210 pp_jimenezmlaa_init_run(struct pp_queue_t
*ppq
, unsigned int n
,
211 unsigned int val
, bool iscolor
)
215 struct pipe_resource res
;
218 constbuf
= pipe_buffer_create(ppq
->p
->screen
, PIPE_BIND_CONSTANT_BUFFER
,
219 PIPE_USAGE_STATIC
, sizeof(constants
));
221 pp_debug("Failed to allocate constant buffer\n");
226 pp_debug("mlaa: using %u max search steps\n", val
);
228 tmp_text
= CALLOC(sizeof(blend2fs_1
) + sizeof(blend2fs_2
) +
229 IMM_SPACE
, sizeof(char));
232 pp_debug("Failed to allocate shader space\n");
235 util_sprintf(tmp_text
, "%s"
236 "IMM FLT32 { %.8f, 0.0000, 0.0000, 0.0000}\n"
237 "%s\n", blend2fs_1
, (float) val
, blend2fs_2
);
239 memset(&res
, 0, sizeof(res
));
241 res
.target
= PIPE_TEXTURE_2D
;
242 res
.format
= PIPE_FORMAT_R8G8_UNORM
;
243 res
.width0
= res
.height0
= 165;
244 res
.bind
= PIPE_BIND_SAMPLER_VIEW
;
245 res
.usage
= PIPE_USAGE_STATIC
;
246 res
.depth0
= res
.array_size
= res
.nr_samples
= 1;
248 if (!ppq
->p
->screen
->is_format_supported(ppq
->p
->screen
, res
.format
,
249 res
.target
, 1, res
.bind
))
250 pp_debug("Areamap format not supported\n");
252 areamaptex
= ppq
->p
->screen
->resource_create(ppq
->p
->screen
, &res
);
253 u_box_2d(0, 0, 165, 165, &box
);
255 ppq
->p
->pipe
->transfer_inline_write(ppq
->p
->pipe
, areamaptex
, 0,
256 PIPE_TRANSFER_WRITE
, &box
,
257 areamap
, 165 * 2, sizeof(areamap
));
261 ppq
->shaders
[n
][1] = pp_tgsi_to_state(ppq
->p
->pipe
, offsetvs
, true,
264 ppq
->shaders
[n
][2] = pp_tgsi_to_state(ppq
->p
->pipe
, color1fs
,
267 ppq
->shaders
[n
][2] = pp_tgsi_to_state(ppq
->p
->pipe
, depth1fs
,
269 ppq
->shaders
[n
][3] = pp_tgsi_to_state(ppq
->p
->pipe
, tmp_text
, false,
271 ppq
->shaders
[n
][4] = pp_tgsi_to_state(ppq
->p
->pipe
, neigh3fs
, false,
277 /** Short wrapper to init the depth version. */
279 pp_jimenezmlaa_init(struct pp_queue_t
*ppq
, unsigned int n
, unsigned int val
)
282 pp_jimenezmlaa_init_run(ppq
, n
, val
, false);
285 /** Short wrapper to init the color version. */
287 pp_jimenezmlaa_init_color(struct pp_queue_t
*ppq
, unsigned int n
,
291 pp_jimenezmlaa_init_run(ppq
, n
, val
, true);
294 /** Short wrapper to run the depth version. */
296 pp_jimenezmlaa(struct pp_queue_t
*ppq
, struct pipe_resource
*in
,
297 struct pipe_resource
*out
, unsigned int n
)
299 pp_jimenezmlaa_run(ppq
, in
, out
, n
, false);
302 /** Short wrapper to run the color version. */
304 pp_jimenezmlaa_color(struct pp_queue_t
*ppq
, struct pipe_resource
*in
,
305 struct pipe_resource
*out
, unsigned int n
)
307 pp_jimenezmlaa_run(ppq
, in
, out
, n
, true);