diff options
Diffstat (limited to 'video/out/opengl/video_shaders.c')
| -rw-r--r-- | video/out/opengl/video_shaders.c | 41 |
1 files changed, 17 insertions, 24 deletions
diff --git a/video/out/opengl/video_shaders.c b/video/out/opengl/video_shaders.c index 04e62d9304..cd83ef5c97 100644 --- a/video/out/opengl/video_shaders.c +++ b/video/out/opengl/video_shaders.c @@ -1,23 +1,18 @@ /* * This file is part of mpv. * - * mpv is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. + * mpv is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. * * mpv is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. + * GNU Lesser General Public License for more details. * - * You should have received a copy of the GNU General Public License along - * with mpv. If not, see <http://www.gnu.org/licenses/>. - * - * You can alternatively redistribute this file and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. + * You should have received a copy of the GNU Lesser General Public + * License along with mpv. If not, see <http://www.gnu.org/licenses/>. */ #include <math.h> @@ -37,7 +32,7 @@ void sampler_prelude(struct gl_shader_cache *sc, int tex_num) GLSLF("#define tex texture%d\n", tex_num); GLSLF("vec2 pos = texcoord%d;\n", tex_num); GLSLF("vec2 size = texture_size%d;\n", tex_num); - GLSLF("vec2 pt = vec2(1.0) / size;\n"); + GLSLF("vec2 pt = pixel_size%d;\n", tex_num); } static void pass_sample_separated_get_weights(struct gl_shader_cache *sc, @@ -78,7 +73,7 @@ void pass_sample_separated_gen(struct gl_shader_cache *sc, struct scaler *scaler int N = scaler->kernel->size; bool use_ar = scaler->conf.antiring > 0; bool planar = d_x == 0 && d_y == 0; - GLSL(vec4 color = vec4(0.0);) + GLSL(color = vec4(0.0);) GLSLF("{\n"); if (!planar) { GLSLF("vec2 dir = vec2(%d.0, %d.0);\n", d_x, d_y); @@ -116,7 +111,7 @@ void pass_sample_polar(struct gl_shader_cache *sc, struct scaler *scaler) double radius = scaler->kernel->f.radius; int bound = (int)ceil(radius); bool use_ar = scaler->conf.antiring > 0; - GLSL(vec4 color = vec4(0.0);) + GLSL(color = vec4(0.0);) GLSLF("{\n"); GLSL(vec2 fcoord = fract(pos * size - vec2(0.5));) GLSL(vec2 base = pos - fcoord * pt;) @@ -187,7 +182,6 @@ static void bicubic_calcweights(struct gl_shader_cache *sc, const char *t, const void pass_sample_bicubic_fast(struct gl_shader_cache *sc) { - GLSL(vec4 color;) GLSLF("{\n"); GLSL(vec2 fcoord = fract(pos * size + vec2(0.5, 0.5));) bicubic_calcweights(sc, "parmx", "fcoord.x"); @@ -211,7 +205,6 @@ void pass_sample_bicubic_fast(struct gl_shader_cache *sc) void pass_sample_oversample(struct gl_shader_cache *sc, struct scaler *scaler, int w, int h) { - GLSL(vec4 color;) GLSLF("{\n"); GLSL(vec2 pos = pos + vec2(0.5) * pt;) // round to nearest GLSL(vec2 fcoord = fract(pos * size - vec2(0.5));) @@ -355,23 +348,23 @@ const struct m_sub_options deband_conf = { // Stochastically sample a debanded result from a given texture void pass_sample_deband(struct gl_shader_cache *sc, struct deband_opts *opts, - int tex_num, GLenum tex_target, float tex_mul, - float img_w, float img_h, AVLFG *lfg) + int tex_num, GLenum tex_target, float tex_mul, AVLFG *lfg) { // Set up common variables and initialize the PRNG GLSLF("// debanding (tex %d)\n", tex_num); + GLSLF("{\n"); sampler_prelude(sc, tex_num); prng_init(sc, lfg); // Helper: Compute a stochastic approximation of the avg color around a // pixel - GLSLHF("vec4 average(%s tex, vec2 pos, float range, inout float h) {", + GLSLHF("vec4 average(%s tex, vec2 pos, vec2 pt, float range, inout float h) {", mp_sampler_type(tex_target)); // Compute a random rangle and distance GLSLH(float dist = rand(h) * range; h = permute(h);) GLSLH(float dir = rand(h) * 6.2831853; h = permute(h);) - GLSLHF("vec2 pt = dist / vec2(%f, %f);\n", img_w, img_h); + GLSLHF("pt *= dist;\n"); GLSLH(vec2 o = vec2(cos(dir), sin(dir));) // Sample at quarter-turn intervals around the source pixel @@ -386,12 +379,12 @@ void pass_sample_deband(struct gl_shader_cache *sc, struct deband_opts *opts, GLSLH(}) // Sample the source pixel - GLSLF("vec4 color = %f * texture(tex, pos);\n", tex_mul); + GLSLF("color = %f * texture(tex, pos);\n", tex_mul); GLSLF("vec4 avg, diff;\n"); for (int i = 1; i <= opts->iterations; i++) { // Sample the average pixel and use it instead of the original if // the difference is below the given threshold - GLSLF("avg = average(tex, pos, %f, h);\n", i * opts->range); + GLSLF("avg = average(tex, pos, pt, %f, h);\n", i * opts->range); GLSL(diff = abs(color - avg);) GLSLF("color = mix(avg, color, greaterThan(diff, vec4(%f)));\n", opts->threshold / (i * 16384.0)); @@ -403,6 +396,7 @@ void pass_sample_deband(struct gl_shader_cache *sc, struct deband_opts *opts, GLSL(noise.y = rand(h); h = permute(h);) GLSL(noise.z = rand(h); h = permute(h);) GLSLF("color.xyz += %f * (noise - vec3(0.5));\n", opts->grain/8192.0); + GLSLF("}\n"); } void pass_sample_unsharp(struct gl_shader_cache *sc, float param) @@ -410,7 +404,6 @@ void pass_sample_unsharp(struct gl_shader_cache *sc, float param) GLSLF("// unsharp\n"); sampler_prelude(sc, 0); - GLSL(vec4 color;) GLSLF("{\n"); GLSL(vec2 st1 = pt * 1.2;) GLSL(vec4 p = texture(tex, pos);) |