# HG changeset patch
# User Sebastien Jodogne <s.jodogne@gmail.com>
# Date 1666956036 -7200
# Node ID ee68ee732aa7fe820c3f7d70b9e146b3b313ca99
# Parent  ed5a0b9183dcaf0d386cadb45da3fdca65a7c028
fix OpenGL shader for floating-point textures

diff -r ed5a0b9183dc -r ee68ee732aa7 OrthancStone/Sources/Scene2D/Internals/OpenGLFloatTextureProgram.cpp
--- a/OrthancStone/Sources/Scene2D/Internals/OpenGLFloatTextureProgram.cpp	Fri Oct 28 10:56:34 2022 +0200
+++ b/OrthancStone/Sources/Scene2D/Internals/OpenGLFloatTextureProgram.cpp	Fri Oct 28 13:20:36 2022 +0200
@@ -41,7 +41,7 @@
   "void main()                                       \n"
   "{                                                 \n"
   "  vec4 t = texture2D(u_texture, v_texcoord);      \n"
-  "  float v = (t.r * 256.0 + t.g) * 256.0;          \n"
+  "  float v = (t.r * 256.0 + t.g) * 255.0;          \n"
   "  v = v * u_slope + u_offset;                     \n"  // (*)
   "  float a = u_windowCenter - u_windowWidth / 2.0; \n"
   "  float dy = 1.0 / u_windowWidth;                 \n"