diff options
Diffstat (limited to 'src/osd/modules/render/bgfx/shaders/chains/misc/fs_blit_yuy16.sc')
-rw-r--r-- | src/osd/modules/render/bgfx/shaders/chains/misc/fs_blit_yuy16.sc | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/osd/modules/render/bgfx/shaders/chains/misc/fs_blit_yuy16.sc b/src/osd/modules/render/bgfx/shaders/chains/misc/fs_blit_yuy16.sc new file mode 100644 index 00000000000..7f91cbc2db0 --- /dev/null +++ b/src/osd/modules/render/bgfx/shaders/chains/misc/fs_blit_yuy16.sc @@ -0,0 +1,37 @@ +$input v_color0, v_texcoord0 + +// license:BSD-3-Clause +// copyright-holders:Ryan Holtz + +#include "common.sh" + +// Samplers +SAMPLER2D(s_tex, 0); + +vec4 u_tex_size0; +vec4 u_inv_tex_size0; + +vec3 ycc_to_rgb(float y, float cb, float cr) +{ + float r = saturate(y + 1.40200 * (cr - 0.5)); + float g = saturate(y - 0.34414 * (cb - 0.5) - 0.71414 * (cr - 0.5)); + float b = saturate(y + 1.77200 * (cb - 0.5)); + return vec3(r, g, b); +} + +void main() +{ + vec2 size_minus_one = u_tex_size0.xy - vec2(1.0, 1.0); + vec2 original_uv = round(v_texcoord0.xy * size_minus_one); + float mod_val = mod(original_uv.x, 2.0); + vec2 rounded_uv = round(vec2(original_uv.x - mod_val, original_uv.y)); + vec2 next_uv = rounded_uv + vec2(1.0, 0.0); + vec2 srcpix0 = texture2D(s_tex, rounded_uv / size_minus_one).rg; + vec2 srcpix1 = texture2D(s_tex, next_uv / size_minus_one).rg; + float cr = srcpix1.r; + float cb = srcpix0.r; + if (mod_val < 1.0) + gl_FragColor = vec4(ycc_to_rgb(srcpix0.g, cb, cr), 1.0) * v_color0; + else + gl_FragColor = vec4(ycc_to_rgb(srcpix1.g, cb, cr), 1.0) * v_color0; +} |