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authorNiklas Haas <git@nand.wakku.to>2015-03-16 00:09:36 +0100
committerwm4 <wm4@nowhere>2015-03-16 09:29:55 +0100
commitaa728d5d6fa2eada9138d195f19e2b67df37507e (patch)
treeba0efe2f7dff7d6b7613186eee187497ace1ecb4 /video
parent4eec5b432beb9878d918bda5c5e1feacbf15d680 (diff)
downloadmpv-aa728d5d6fa2eada9138d195f19e2b67df37507e.tar.bz2
mpv-aa728d5d6fa2eada9138d195f19e2b67df37507e.tar.xz
vo_opengl: apply OSD color management
Diffstat (limited to 'video')
-rw-r--r--video/out/gl_video.c63
1 files changed, 39 insertions, 24 deletions
diff --git a/video/out/gl_video.c b/video/out/gl_video.c
index c3b542d358..c100daafbb 100644
--- a/video/out/gl_video.c
+++ b/video/out/gl_video.c
@@ -179,8 +179,6 @@ struct gl_video {
bool has_alpha;
char color_swizzle[5];
- bool user_gamma_enabled;
-
struct video_image image;
struct fbotex indirect_fbo; // RGB target
@@ -205,6 +203,7 @@ struct gl_video {
struct src_tex pass_tex[TEXUNIT_VIDEO_NUM];
bool use_indirect;
bool use_linear;
+ float user_gamma;
int frames_rendered;
@@ -1335,8 +1334,7 @@ static void pass_convert_yuv(struct gl_video *p)
mp_csp_set_image_params(&cparams, &p->image_params);
mp_csp_copy_equalizer_values(&cparams, &p->video_eq);
- float user_gamma = cparams.gamma * p->opts.gamma;
- p->user_gamma_enabled |= user_gamma != 1.0;
+ p->user_gamma = 1.0 / (cparams.gamma * p->opts.gamma);
GLSLF("// color conversion\n");
@@ -1402,11 +1400,11 @@ static void pass_convert_yuv(struct gl_video *p)
lessThanEqual(vec3(0.0181), color.rgb));)
}
- if (p->user_gamma_enabled) {
+ if (p->user_gamma != 1) {
p->use_indirect = true;
- gl_sc_uniform_f(sc, "user_gamma", user_gamma);
+ gl_sc_uniform_f(sc, "user_gamma", p->user_gamma);
GLSL(color.rgb = clamp(color.rgb, 0.0, 1.0);)
- GLSL(color.rgb = pow(color.rgb, vec3(1.0 / user_gamma));)
+ GLSL(color.rgb = pow(color.rgb, vec3(user_gamma));)
}
if (!p->has_alpha || p->opts.alpha_mode == 0) { // none
@@ -1424,6 +1422,25 @@ static void get_scale_factors(struct gl_video *p, double xy[2])
(double)(p->src_rect.y1 - p->src_rect.y0);
}
+static void pass_linearize(struct gl_video *p)
+{
+ GLSL(color.rgb = clamp(color.rgb, 0.0, 1.0);)
+ switch (p->image_params.gamma) {
+ case MP_CSP_TRC_SRGB:
+ GLSL(color.rgb = mix(color.rgb / vec3(12.92),
+ pow((color.rgb + vec3(0.055))/vec3(1.055),
+ vec3(2.4)),
+ lessThanEqual(vec3(0.04045), color.rgb));)
+ break;
+ case MP_CSP_TRC_BT_1886:
+ GLSL(color.rgb = pow(color.rgb, vec3(1.961));)
+ break;
+ case MP_CSP_TRC_GAMMA22:
+ GLSL(color.rgb = pow(color.rgb, vec3(2.2));)
+ break;
+ }
+}
+
// Takes care of the main scaling and pre/post-conversions
static void pass_scale_main(struct gl_video *p)
{
@@ -1453,24 +1470,10 @@ static void pass_scale_main(struct gl_video *p)
// Pre-conversion, like linear light/sigmoidization
GLSLF("// scaler pre-conversion\n");
p->use_linear = p->opts.linear_scaling || p->opts.sigmoid_upscaling
- || use_cms || p->image_params.gamma == MP_CSP_TRC_LINEAR;
+ || use_cms || p->image_params.gamma == MP_CSP_TRC_LINEAR;
if (p->use_linear) {
- GLSL(color.rgb = clamp(color.rgb, 0.0, 1.0);)
p->use_indirect = true;
- switch (p->image_params.gamma) {
- case MP_CSP_TRC_SRGB:
- GLSL(color.rgb = mix(color.rgb / vec3(12.92),
- pow((color.rgb + vec3(0.055))/vec3(1.055),
- vec3(2.4)),
- lessThanEqual(vec3(0.04045), color.rgb));)
- break;
- case MP_CSP_TRC_BT_1886:
- GLSL(color.rgb = pow(color.rgb, vec3(1.961));)
- break;
- case MP_CSP_TRC_GAMMA22:
- GLSL(color.rgb = pow(color.rgb, vec3(2.2));)
- break;
- }
+ pass_linearize(p);
}
bool use_sigmoid = p->use_linear && p->opts.sigmoid_upscaling && upscaling;
@@ -1534,7 +1537,8 @@ static void pass_scale_main(struct gl_video *p)
}
}
-// Adapts the colors to the display device's native gamut.
+// Adapts the colors to the display device's native gamut. Assumes the input
+// is in linear RGB.
static void pass_colormanage(struct gl_video *p)
{
GLSLF("// color management\n");
@@ -1896,6 +1900,17 @@ draw_osd:
default:
abort();
}
+
+ // Apply OSD color correction
+ if (p->use_linear)
+ pass_linearize(p);
+ if (p->user_gamma != 1) {
+ gl_sc_uniform_f(p->sc, "user_gamma", p->user_gamma);
+ GLSL(color.rgb = clamp(color.rgb, 0.0, 1.0);)
+ GLSL(color.rgb = pow(color.rgb, vec3(user_gamma));)
+ }
+ pass_colormanage(p);
+
gl_sc_set_vao(p->sc, mpgl_osd_get_vao(p->osd));
gl_sc_gen_shader_and_reset(p->sc);
mpgl_osd_draw_part(p->osd, p->vp_w, p->vp_h, n);