std::string get_fragment(bool blend_modes)
{
return
"#version 130 \n"
"uniform sampler2D background; \n"
"uniform sampler2D plane[4]; \n"
"uniform vec2 plane_size[4]; \n"
"uniform sampler2D local_key; \n"
"uniform sampler2D layer_key; \n"
" \n"
"uniform bool is_hd; \n"
"uniform bool has_local_key; \n"
"uniform bool has_layer_key; \n"
"uniform int blend_mode; \n"
"uniform int keyer; \n"
"uniform int pixel_format; \n"
"uniform int deinterlace; \n"
" \n"
"uniform float opacity; \n"
"uniform bool levels; \n"
"uniform float min_input; \n"
"uniform float max_input; \n"
"uniform float gamma; \n"
"uniform float min_output; \n"
"uniform float max_output; \n"
" \n"
"uniform bool csb; \n"
"uniform float brt; \n"
"uniform float sat; \n"
"uniform float con; \n"
" \n"
+
(blend_modes ? get_blend_color_func() : get_simple_blend_color_func())
+
" \n"
"vec4 ycbcra_to_rgba_sd(float Y, float Cb, float Cr, float A) \n"
"{ \n"
" vec4 rgba; \n"
" rgba.b = (1.164*(Y*255 - 16) + 1.596*(Cr*255 - 128))/255; \n"
" rgba.g = (1.164*(Y*255 - 16) - 0.813*(Cr*255 - 128) - 0.391*(Cb*255 - 128))/255;\n"
" rgba.r = (1.164*(Y*255 - 16) + 2.018*(Cb*255 - 128))/255; \n"
" rgba.a = A; \n"
" return rgba; \n"
"} \n"
" \n"
"vec4 ycbcra_to_rgba_hd(float Y, float Cb, float Cr, float A) \n"
"{ \n"
" vec4 rgba; \n"
" rgba.b = (1.164*(Y*255 - 16) + 1.793*(Cr*255 - 128))/255; \n"
" rgba.g = (1.164*(Y*255 - 16) - 0.534*(Cr*255 - 128) - 0.213*(Cb*255 - 128))/255;\n"
" rgba.r = (1.164*(Y*255 - 16) + 2.115*(Cb*255 - 128))/255; \n"
" rgba.a = A; \n"
" return rgba; \n"
"} \n"
" \n"
"vec4 ycbcra_to_rgba(float y, float cb, float cr, float a) \n"
"{ \n"
" if(is_hd) \n"
" return ycbcra_to_rgba_hd(y, cb, cr, a); \n"
" else \n"
" return ycbcra_to_rgba_sd(y, cb, cr, a); \n"
"} \n"
" \n"
"vec4 get_sample(sampler2D sampler, vec2 coords, vec2 size) \n"
"{ \n"
" switch(deinterlace) \n"
" { \n"
" case 1: // upper \n"
" return texture2D(sampler, coords); \n"
" case 2: // lower \n"
" return texture2D(sampler, coords); \n"
" default: \n"
" return texture2D(sampler, coords); \n"
" } \n"
"} \n"
" \n"
"vec4 get_rgba_color() \n"
"{ \n"
" switch(pixel_format) \n"
" { \n"
" case 0: //gray \n"
" return vec4(get_sample(plane[0], gl_TexCoord[0].st, plane_size[0]).rrr, 1.0);\n"
" case 1: //bgra, \n"
" return get_sample(plane[0], gl_TexCoord[0].st, plane_size[0]).bgra; \n"
" case 2: //rgba, \n"
" return get_sample(plane[0], gl_TexCoord[0].st, plane_size[0]).rgba; \n"
" case 3: //argb, \n"
" return get_sample(plane[0], gl_TexCoord[0].st, plane_size[0]).argb; \n"
" case 4: //abgr, \n"
" return get_sample(plane[0], gl_TexCoord[0].st, plane_size[0]).gbar; \n"
" case 5: //ycbcr, \n"
" { \n"
" float y = get_sample(plane[0], gl_TexCoord[0].st, plane_size[0]).r; \n"
" float cb = get_sample(plane[1], gl_TexCoord[0].st, plane_size[0]).r; \n"
" float cr = get_sample(plane[2], gl_TexCoord[0].st, plane_size[0]).r; \n"
" return ycbcra_to_rgba(y, cb, cr, 1.0); \n"
" } \n"
" case 6: //ycbcra \n"
" { \n"
" float y = get_sample(plane[0], gl_TexCoord[0].st, plane_size[0]).r; \n"
" float cb = get_sample(plane[1], gl_TexCoord[0].st, plane_size[0]).r; \n"
" float cr = get_sample(plane[2], gl_TexCoord[0].st, plane_size[0]).r; \n"
" float a = get_sample(plane[3], gl_TexCoord[0].st, plane_size[0]).r; \n"
" return ycbcra_to_rgba(y, cb, cr, a); \n"
" } \n"
" case 7: //luma \n"
" { \n"
" vec3 y3 = get_sample(plane[0], gl_TexCoord[0].st, plane_size[0]).rrr; \n"
" return vec4((y3-0.065)/0.859, 1.0); \n"
" } \n"
" case 8: //bgr, \n"
" return vec4(get_sample(plane[0], gl_TexCoord[0].st, plane_size[0]).bgr, 1.0);\n"
" case 9: //rgb, \n"
" return vec4(get_sample(plane[0], gl_TexCoord[0].st, plane_size[0]).rgb, 1.0);\n"
" } \n"
" return vec4(0.0, 0.0, 0.0, 0.0); \n"
"} \n"
" \n"
"void main() \n"
"{ \n"
" vec4 color = get_rgba_color(); \n"
" if(levels) \n"
" color.rgb = LevelsControl(color.rgb, min_input, max_input, gamma, min_output, max_output); \n"
" if(csb) \n"
" color.rgb = ContrastSaturationBrightness(color.rgb, brt, sat, con); \n"
" if(has_local_key) \n"
" color *= texture2D(local_key, gl_TexCoord[1].st).r; \n"
" if(has_layer_key) \n"
" color *= texture2D(layer_key, gl_TexCoord[1].st).r; \n"
" color *= opacity; \n"
" color = blend(color); \n"
" gl_FragColor = color.bgra; \n"
"} \n";
}
std::string get_fragment(bool blend_modes)
{
return
"#version 130 \n"
"uniform sampler2D background; \n"
"uniform sampler2D plane[4]; \n"
"uniform sampler2D local_key; \n"
"uniform sampler2D layer_key; \n"
" \n"
"uniform bool is_hd; \n"
"uniform bool has_local_key; \n"
"uniform bool has_layer_key; \n"
"uniform int blend_mode; \n"
"uniform int keyer; \n"
"uniform int pixel_format; \n"
" \n"
"uniform float opacity; \n"
"uniform bool levels; \n"
"uniform float min_input; \n"
"uniform float max_input; \n"
"uniform float gamma; \n"
"uniform float min_output; \n"
"uniform float max_output; \n"
" \n"
"uniform bool csb; \n"
"uniform float brt; \n"
"uniform float sat; \n"
"uniform float con; \n"
" \n"
"uniform bool post_processing; \n"
"uniform bool straighten_alpha; \n"
" \n"
"uniform int chroma_mode; \n"
"uniform vec2 chroma_blend; \n"
"uniform float chroma_spill; \n"
+
(blend_modes ? get_blend_color_func() : get_simple_blend_color_func())
+
get_chroma_func()
+
" \n"
"vec4 ycbcra_to_rgba_sd(float Y, float Cb, float Cr, float A) \n"
"{ \n"
" vec4 rgba; \n"
" rgba.b = (1.164*(Y*255 - 16) + 1.596*(Cr*255 - 128))/255; \n"
" rgba.g = (1.164*(Y*255 - 16) - 0.813*(Cr*255 - 128) - 0.391*(Cb*255 - 128))/255;\n"
" rgba.r = (1.164*(Y*255 - 16) + 2.018*(Cb*255 - 128))/255; \n"
" rgba.a = A; \n"
" return rgba; \n"
"} \n"
" \n"
"vec4 ycbcra_to_rgba_hd(float Y, float Cb, float Cr, float A) \n"
"{ \n"
" vec4 rgba; \n"
" rgba.b = (1.164*(Y*255 - 16) + 1.793*(Cr*255 - 128))/255; \n"
" rgba.g = (1.164*(Y*255 - 16) - 0.534*(Cr*255 - 128) - 0.213*(Cb*255 - 128))/255;\n"
" rgba.r = (1.164*(Y*255 - 16) + 2.115*(Cb*255 - 128))/255; \n"
" rgba.a = A; \n"
" return rgba; \n"
"} \n"
" \n"
"vec4 ycbcra_to_rgba(float y, float cb, float cr, float a) \n"
"{ \n"
" if(is_hd) \n"
" return ycbcra_to_rgba_hd(y, cb, cr, a); \n"
" else \n"
" return ycbcra_to_rgba_sd(y, cb, cr, a); \n"
"} \n"
" \n"
"vec4 get_rgba_color() \n"
"{ \n"
" switch(pixel_format) \n"
" { \n"
" case 0: //gray \n"
" return vec4(texture2D(plane[0], gl_TexCoord[0].st).rrr, 1.0); \n"
" case 1: //bgra, \n"
" return texture2D(plane[0], gl_TexCoord[0].st).bgra; \n"
" case 2: //rgba, \n"
" return texture2D(plane[0], gl_TexCoord[0].st).rgba; \n"
" case 3: //argb, \n"
" return texture2D(plane[0], gl_TexCoord[0].st).argb; \n"
" case 4: //abgr, \n"
" return texture2D(plane[0], gl_TexCoord[0].st).gbar; \n"
" case 5: //ycbcr, \n"
" { \n"
" float y = texture2D(plane[0], gl_TexCoord[0].st).r; \n"
" float cb = texture2D(plane[1], gl_TexCoord[0].st).r; \n"
" float cr = texture2D(plane[2], gl_TexCoord[0].st).r; \n"
" return ycbcra_to_rgba(y, cb, cr, 1.0); \n"
" } \n"
" case 6: //ycbcra \n"
" { \n"
" float y = texture2D(plane[0], gl_TexCoord[0].st).r; \n"
" float cb = texture2D(plane[1], gl_TexCoord[0].st).r; \n"
" float cr = texture2D(plane[2], gl_TexCoord[0].st).r; \n"
" float a = texture2D(plane[3], gl_TexCoord[0].st).r; \n"
" return ycbcra_to_rgba(y, cb, cr, a); \n"
" } \n"
" case 7: //luma \n"
" { \n"
" vec3 y3 = texture2D(plane[0], gl_TexCoord[0].st).rrr; \n"
" return vec4((y3-0.065)/0.859, 1.0); \n"
" } \n"
" } \n"
" return vec4(0.0, 0.0, 0.0, 0.0); \n"
"} \n"
" \n"
"vec4 post_process() \n"
"{ \n"
" vec4 color = texture2D(background, gl_TexCoord[0].st).bgra; \n"
" \n"
" if (straighten_alpha && color.a > 0.0 && color.a != 1.0) \n"
" color.rgb /= color.a; \n"
" \n"
" return color; \n"
"} \n"
" \n"
"void main() \n"
"{ \n"
" if (post_processing) \n"
" { \n"
" gl_FragColor = post_process().bgra; \n"
" return; \n"
" } \n"
" \n"
" vec4 color = get_rgba_color(); \n"
" color = chroma_key(color); \n"
" if(levels) \n"
" color.rgb = LevelsControl(color.rgb, min_input, max_input, gamma, min_output, max_output); \n"
" if(csb) \n"
" color.rgb = ContrastSaturationBrightness(color, brt, sat, con); \n"
" if(has_local_key) \n"
" color *= texture2D(local_key, gl_TexCoord[1].st).r; \n"
" if(has_layer_key) \n"
" color *= texture2D(layer_key, gl_TexCoord[1].st).r; \n"
" color *= opacity; \n"
" color = blend(color); \n"
" gl_FragColor = color.bgra; \n"
"} \n";
}
