diff options
Diffstat (limited to 'video/out/opengl')
| -rw-r--r-- | video/out/opengl/video.c | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/video/out/opengl/video.c b/video/out/opengl/video.c index a59a8e4ffa..498d89259e 100644 --- a/video/out/opengl/video.c +++ b/video/out/opengl/video.c @@ -2013,8 +2013,6 @@ static void pass_convert_yuv(struct gl_video *p) p->components = 3; if (!p->has_alpha || p->opts.alpha_mode == ALPHA_NO) { GLSL(color.a = 1.0;) - } else if (p->opts.alpha_mode == ALPHA_BLEND) { - GLSL(color = vec4(color.rgb * color.a, 1.0);) } else { // alpha present in image p->components = 4; GLSL(color = vec4(color.rgb * color.a, color.a);) @@ -2537,12 +2535,20 @@ static void pass_draw_to_screen(struct gl_video *p, int fbo) pass_colormanage(p, p->image_params.color, false); - // Draw checkerboard pattern to indicate transparency - if (p->has_alpha && p->opts.alpha_mode == ALPHA_BLEND_TILES) { - GLSLF("// transparency checkerboard\n"); - GLSL(bvec2 tile = lessThan(fract(gl_FragCoord.xy / 32.0), vec2(0.5));) - GLSL(vec3 background = vec3(tile.x == tile.y ? 1.0 : 0.75);) - GLSL(color.rgb = mix(background, color.rgb, color.a);) + if (p->has_alpha){ + if (p->opts.alpha_mode == ALPHA_BLEND_TILES) { + // Draw checkerboard pattern to indicate transparency + GLSLF("// transparency checkerboard\n"); + GLSL(bvec2 tile = lessThan(fract(gl_FragCoord.xy / 32.0), vec2(0.5));) + GLSL(vec3 background = vec3(tile.x == tile.y ? 1.0 : 0.75);) + GLSL(color.rgb = mix(background, color.rgb, color.a);) + } else if (p->opts.alpha_mode == ALPHA_BLEND) { + // Blend into background color (usually black) + struct m_color c = p->opts.background; + GLSLF("vec4 background = vec4(%f, %f, %f, %f);\n", + c.r / 255.0, c.g / 255.0, c.b / 255.0, c.a / 255.0); + GLSL(color = mix(background, vec4(color.rgb, 1.0), color.a);) + } } pass_opt_hook_point(p, "OUTPUT", NULL); |