Revert "Revert recent vo_opengl related commits"

Omitted a simple, but devastasting check. Fixed the relevant commits
now.

This reverts commit 8d24e9d9b8ad1b5d82139980eca148dc0f4a1eab.

diff --git a/video/out/gl_video.c b/video/out/gl_video.c
index 9c8a643..f1ea03e 100644
--- a/video/out/gl_video.c
+++ b/video/out/gl_video.c
@@ -1034,9 +1034,9 @@ static void compile_shaders(struct gl_video *p)
     shader_def_opt(&header_conv, "USE_CONV_GAMMA", use_conv_gamma);
     shader_def_opt(&header_conv, "USE_CONST_LUMA", use_const_luma);
     shader_def_opt(&header_conv, "USE_LINEAR_LIGHT_BT1886",
-                   gamma_fun == MP_CSP_TRC_BT_1886);
+                   use_linear_light && gamma_fun == MP_CSP_TRC_BT_1886);
     shader_def_opt(&header_conv, "USE_LINEAR_LIGHT_SRGB",
-                   gamma_fun == MP_CSP_TRC_SRGB);
+                   use_linear_light && gamma_fun == MP_CSP_TRC_SRGB);
     shader_def_opt(&header_conv, "USE_SIGMOID", use_sigmoid);
     if (p->opts.alpha_mode > 0 && p->has_alpha && p->plane_count > 3)
         shader_def(&header_conv, "USE_ALPHA_PLANE", "3");

1 files changed, 33 insertions, 0 deletions

diff --git a/video/csputils.c b/video/csputils.c
index 90eec39d36..cbd9734819 100644
--- a/video/csputils.c
+++ b/video/csputils.c
@@ -65,6 +65,13 @@ const char *const mp_csp_prim_names[MP_CSP_PRIM_COUNT] = {
     "BT.470 M",
 };
 
+const char *const mp_csp_trc_names[MP_CSP_TRC_COUNT] = {
+    "Autoselect",
+    "BT.1886 (SD, HD, UHD)",
+    "sRGB (IEC 61966-2-1)",
+    "Linear light",
+};
+
 const char *const mp_csp_equalizer_names[MP_CSP_EQ_COUNT] = {
     "brightness",
     "contrast",
@@ -142,6 +149,21 @@ enum mp_csp_prim avcol_pri_to_mp_csp_prim(int avpri)
     }
 }
 
+enum mp_csp_trc avcol_trc_to_mp_csp_trc(int avtrc)
+{
+    switch (avtrc) {
+    case AVCOL_TRC_BT709:
+    case AVCOL_TRC_SMPTE170M:
+    case AVCOL_TRC_SMPTE240M:
+    case AVCOL_TRC_BT1361_ECG:
+    case AVCOL_TRC_BT2020_10:
+    case AVCOL_TRC_BT2020_12:    return MP_CSP_TRC_BT_1886;
+    case AVCOL_TRC_IEC61966_2_1: return MP_CSP_TRC_SRGB;
+    case AVCOL_TRC_LINEAR:       return MP_CSP_TRC_LINEAR;
+    default:                     return MP_CSP_TRC_AUTO;
+    }
+}
+
 int mp_csp_to_avcol_spc(enum mp_csp colorspace)
 {
     switch (colorspace) {
@@ -181,6 +203,17 @@ int mp_csp_prim_to_avcol_pri(enum mp_csp_prim prim)
     }
 }
 
+int mp_csp_trc_to_avcol_trc(enum mp_csp_trc trc)
+{
+    switch (trc) {
+    // We just call it BT.1886 since we're decoding, but it's still BT.709
+    case MP_CSP_TRC_BT_1886:     return AVCOL_TRC_BT709;
+    case MP_CSP_TRC_SRGB:        return AVCOL_TRC_IEC61966_2_1;
+    case MP_CSP_TRC_LINEAR:      return AVCOL_TRC_LINEAR;
+    default:                     return AVCOL_TRC_UNSPECIFIED;
+    }
+}
+
 enum mp_csp mp_csp_guess_colorspace(int width, int height)
 {
     return width >= 1280 || height > 576 ? MP_CSP_BT_709 : MP_CSP_BT_601;