diff options
author | Samuel Rødal <samuel.rodal@nokia.com> | 2011-08-22 10:49:28 +0200 |
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committer | Samuel Rødal <samuel.rodal@nokia.com> | 2011-08-29 10:25:24 +0200 |
commit | 6e28e8441b698c3397c2c78125c877f2e9867cb1 (patch) | |
tree | 1e3ad0e43cb775854835817cd04bdc8b5e047e15 /src/opengl/util/composition_mode_softlight.glsl | |
parent | aaa4a26f82f99fa8724841eba91bad029306e0ce (diff) |
Copy core GL functionality to QtGui with QGL -> QOpenGL naming.
Change-Id: Ibc989afa4a30dd184d41d1a1cd89f97196e48855
Reviewed-on: http://codereview.qt.nokia.com/3710
Reviewed-by: Gunnar Sletta <gunnar.sletta@nokia.com>
Diffstat (limited to 'src/opengl/util/composition_mode_softlight.glsl')
-rw-r--r-- | src/opengl/util/composition_mode_softlight.glsl | 22 |
1 files changed, 0 insertions, 22 deletions
diff --git a/src/opengl/util/composition_mode_softlight.glsl b/src/opengl/util/composition_mode_softlight.glsl deleted file mode 100644 index e4c1f89156..0000000000 --- a/src/opengl/util/composition_mode_softlight.glsl +++ /dev/null @@ -1,22 +0,0 @@ -// if 2.Sca <= Sa -// Dca' = Dca.(Sa + (2.Sca - Sa).(1 - Dca/Da)) + Sca.(1 - Da) + Dca.(1 - Sa) -// otherwise if 2.Sca > Sa and 4.Dca <= Da -// Dca' = Dca.Sa + Da.(2.Sca - Sa).(4.Dca/Da.(4.Dca/Da + 1).(Dca/Da - 1) + 7.Dca/Da) + Sca.(1 - Da) + Dca.(1 - Sa) -// otherwise if 2.Sca > Sa and 4.Dca > Da -// Dca' = Dca.Sa + Da.(2.Sca - Sa).((Dca/Da)^0.5 - Dca/Da) + Sca.(1 - Da) + Dca.(1 - Sa) -// Da' = Sa + Da - Sa.Da - -vec4 composite(vec4 src, vec4 dst) -{ - vec4 result; - float da = max(dst.a, 0.00001); - vec3 dst_np = dst.rgb / da; - result.rgb = mix(dst.rgb * (src.a + (2.0 * src.rgb - src.a) * (1.0 - dst_np)), - mix(dst.rgb * src.a + dst.a * (2.0 * src.rgb - src.a) * ((16.0 * dst_np - 12.0) * dst_np + 3.0) * dst_np, - dst.rgb * src.a + dst.a * (2.0 * src.rgb - src.a) * (sqrt(dst_np) - dst_np), - step(dst.a, 4.0 * dst.rgb)), - step(src.a, 2.0 * src.rgb)) - + src.rgb * (1.0 - dst.a) + dst.rgb * (1.0 - src.a); - result.a = src.a + dst.a - src.a * dst.a; - return result; -} |