diff options
Diffstat (limited to 'video/out/gl_video_shaders.glsl')
| -rw-r--r-- | video/out/gl_video_shaders.glsl | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/video/out/gl_video_shaders.glsl b/video/out/gl_video_shaders.glsl index 547d5cd621..937673b0c3 100644 --- a/video/out/gl_video_shaders.glsl +++ b/video/out/gl_video_shaders.glsl @@ -29,6 +29,12 @@ #ifdef GL_ES precision mediump float; +#define HAVE_3DTEX (__VERSION__ >= 300) +#define HAVE_ARRAYS (__VERSION__ >= 300) +#else +// Desktop GL +#define HAVE_3DTEX 1 +#define HAVE_ARRAYS 1 #endif // GLSL 1.20 compatibility layer @@ -88,7 +94,9 @@ vec3 bt2020_compand(vec3 v) uniform mat3 transform; uniform vec3 translation; +#if HAVE_3DTEX uniform sampler3D lut_3d; +#endif uniform mat3 cms_matrix; // transformation from file's gamut to bt.2020 in vec2 vertex_position; @@ -122,7 +130,7 @@ void main() { // and to BT.2020 for 3DLUT). Normal clamping here as perceptually // accurate colorimetry is probably not worth the performance trade-off // here. - color.rgb = clamp(cms_matrix * color.rgb, 0, 1); + color.rgb = clamp(cms_matrix * color.rgb, 0.0, 1.0); #endif #ifdef USE_OSD_3DLUT color.rgb = pow(color.rgb, vec3(1.0/2.4)); // linear -> 2.4 3DLUT space @@ -166,7 +174,9 @@ uniform vec2 chroma_center_offset; uniform vec2 chroma_div; uniform sampler2D lut_c; uniform sampler2D lut_l; +#if HAVE_3DTEX uniform sampler3D lut_3d; +#endif uniform sampler2D dither; uniform mat3 colormatrix; uniform vec3 colormatrix_c; @@ -230,16 +240,17 @@ vec4 sample_bicubic_fast(VIDEO_SAMPLER tex, vec2 texsize, vec2 texcoord, float p return mix(aa, ab, parmx.b); } +#if HAVE_ARRAYS float[2] weights2(sampler2D lookup, float f) { vec2 c = texture(lookup, vec2(0.5, f)).RG; return float[2](c.r, c.g); } - float[6] weights6(sampler2D lookup, float f) { vec4 c1 = texture(lookup, vec2(0.25, f)); vec4 c2 = texture(lookup, vec2(0.75, f)); return float[6](c1.r, c1.g, c1.b, c2.r, c2.g, c2.b); } +#endif // For N=n*4 with n>1 (N==4 is covered by weights4()). #define WEIGHTS_N(NAME, N) \ @@ -391,7 +402,7 @@ void main() { // CONST_LUMA involves numbers outside the [0,1] range so we make sure // to clip here, after the (possible) USE_CONST_LUMA calculations are done, // instead of immediately after the colormatrix conversion. - color = clamp(color, 0, 1); + color = clamp(color, 0.0, 1.0); #endif // If we are scaling in linear light (SRGB or 3DLUT option enabled), we // expand our source colors before scaling. This shader currently just @@ -435,7 +446,7 @@ void main() { // the fact that they're not representable on the target device. // TODO: Desaturate colorimetrically; this happens automatically for // 3dlut targets but not for sRGB mode. Not sure if this is a requirement. - color = clamp(color, 0, 1); + color = clamp(color, 0.0, 1.0); #endif #ifdef USE_3DLUT // For the 3DLUT we are arbitrarily using 2.4 as input gamma to reduce |