Replace more stuff with saturation

diff --git a/shader_glsl.h b/shader_glsl.h
index f9d17e5bd956a797803755ceff006305b0734eef..8c5c60f4779e1207caa536218158e2fe4c604109 100644 (file)
--- a/shader_glsl.h
+++ b/shader_glsl.h
@@ -23,6 +23,7 @@
 "\n",
 "#define sat(x) clamp(x, 0, 1)\n",
 "#define possat(x) sat(x)\n",//As replacement of max(x, 0) when x<=1, better for gpus that can't do 0-cycle max(x, 0)
+"#define minonesat(x) sat(x)\n",//As replacement of min(x, 1) when x>=0, better for gpus that can't do 0-cycle min(x, 1)
 "#define possatdot(x, y) possat(dot(x, y))\n",
 "\n",
 "#ifdef USECELSHADING\n",
@@ -353,7 +354,8 @@
 "#endif\n",
 "\n",
 "#ifdef USEBLOOM\n",
-"      dp_FragColor += max(vec4(0,0,0,0), dp_texture2D(Texture_Second, TexCoord1.zw) - BloomColorSubtract);\n",
+"      //TODO: replacing here possat back to max may be needed for HDR\n",
+"      dp_FragColor += possat(dp_texture2D(Texture_Second, TexCoord1.zw) - BloomColorSubtract);\n",
 "#endif\n",
 "\n",
 "#ifdef USEVIEWTINT\n",
@@ -578,10 +580,10 @@
 "      // content.\n",
 "      // Remove this 'ack once we have a better way to stop this thing from\n",
 "      // 'appening.\n",
-"      float f = min(1.0, length(dp_texture2D(Texture_Refraction, ScreenTexCoord + vec2(0.01, 0.01)).rgb) / 0.05);\n",
-"      f      *= min(1.0, length(dp_texture2D(Texture_Refraction, ScreenTexCoord + vec2(0.01, -0.01)).rgb) / 0.05);\n",
-"      f      *= min(1.0, length(dp_texture2D(Texture_Refraction, ScreenTexCoord + vec2(-0.01, 0.01)).rgb) / 0.05);\n",
-"      f      *= min(1.0, length(dp_texture2D(Texture_Refraction, ScreenTexCoord + vec2(-0.01, -0.01)).rgb) / 0.05);\n",
+"      float f = minonesat(length(dp_texture2D(Texture_Refraction, ScreenTexCoord + vec2(0.01, 0.01)).rgb) / 0.05);\n",
+"      f      *= minonesat(length(dp_texture2D(Texture_Refraction, ScreenTexCoord + vec2(0.01, -0.01)).rgb) / 0.05);\n",
+"      f      *= minonesat(length(dp_texture2D(Texture_Refraction, ScreenTexCoord + vec2(-0.01, 0.01)).rgb) / 0.05);\n",
+"      f      *= minonesat(length(dp_texture2D(Texture_Refraction, ScreenTexCoord + vec2(-0.01, -0.01)).rgb) / 0.05);\n",
 "      ScreenTexCoord = mix(SafeScreenTexCoord, ScreenTexCoord, f);\n",
 "      dp_FragColor = vec4(dp_texture2D(Texture_Refraction, ScreenTexCoord).rgb, 1.0) * refractcolor;\n",
 "}\n",
@@ -683,15 +685,15 @@
 "      // content.\n",
 "      // Remove this 'ack once we have a better way to stop this thing from\n",
 "      // 'appening.\n",
-"      float f  = min(1.0, length(dp_texture2D(Texture_Refraction, ScreenTexCoord.xy + vec2(0.005, 0.01)).rgb) / 0.002);\n",
-"      f       *= min(1.0, length(dp_texture2D(Texture_Refraction, ScreenTexCoord.xy + vec2(0.005, -0.01)).rgb) / 0.002);\n",
-"      f       *= min(1.0, length(dp_texture2D(Texture_Refraction, ScreenTexCoord.xy + vec2(-0.005, 0.01)).rgb) / 0.002);\n",
-"      f       *= min(1.0, length(dp_texture2D(Texture_Refraction, ScreenTexCoord.xy + vec2(-0.005, -0.01)).rgb) / 0.002);\n",
+"      float f  = minonesat(length(dp_texture2D(Texture_Refraction, ScreenTexCoord.xy + vec2(0.005, 0.01)).rgb) / 0.002);\n",
+"      f       *= minonesat(length(dp_texture2D(Texture_Refraction, ScreenTexCoord.xy + vec2(0.005, -0.01)).rgb) / 0.002);\n",
+"      f       *= minonesat(length(dp_texture2D(Texture_Refraction, ScreenTexCoord.xy + vec2(-0.005, 0.01)).rgb) / 0.002);\n",
+"      f       *= minonesat(length(dp_texture2D(Texture_Refraction, ScreenTexCoord.xy + vec2(-0.005, -0.01)).rgb) / 0.002);\n",
 "      ScreenTexCoord.xy = mix(SafeScreenTexCoord.xy, ScreenTexCoord.xy, f);\n",
-"      f  = min(1.0, length(dp_texture2D(Texture_Reflection, ScreenTexCoord.zw + vec2(0.005, 0.005)).rgb) / 0.002);\n",
-"      f *= min(1.0, length(dp_texture2D(Texture_Reflection, ScreenTexCoord.zw + vec2(0.005, -0.005)).rgb) / 0.002);\n",
-"      f *= min(1.0, length(dp_texture2D(Texture_Reflection, ScreenTexCoord.zw + vec2(-0.005, 0.005)).rgb) / 0.002);\n",
-"      f *= min(1.0, length(dp_texture2D(Texture_Reflection, ScreenTexCoord.zw + vec2(-0.005, -0.005)).rgb) / 0.002);\n",
+"      f  = minonesat(length(dp_texture2D(Texture_Reflection, ScreenTexCoord.zw + vec2(0.005, 0.005)).rgb) / 0.002);\n",
+"      f *= minonesat(length(dp_texture2D(Texture_Reflection, ScreenTexCoord.zw + vec2(0.005, -0.005)).rgb) / 0.002);\n",
+"      f *= minonesat(length(dp_texture2D(Texture_Reflection, ScreenTexCoord.zw + vec2(-0.005, 0.005)).rgb) / 0.002);\n",
+"      f *= minonesat(length(dp_texture2D(Texture_Reflection, ScreenTexCoord.zw + vec2(-0.005, -0.005)).rgb) / 0.002);\n",
 "      ScreenTexCoord.zw = mix(SafeScreenTexCoord.zw, ScreenTexCoord.zw, f);\n",
 "      float Fresnel = pow(min(1.0, 1.0 - float(normalize(EyeVector).z)), 2.0) * reflectfactor + reflectoffset;\n",
 "      dp_FragColor = mix(vec4(dp_texture2D(Texture_Refraction, ScreenTexCoord.xy).rgb, 1) * refractcolor, vec4(dp_texture2D(Texture_Reflection, ScreenTexCoord.zw).rgb, 1) * ReflectColor, Fresnel);\n",
@@ -1738,10 +1740,10 @@
 "      // content.\n",
 "      // Remove this 'ack once we have a better way to stop this thing from\n",
 "      // 'appening.\n",
-"      float f = min(1.0, length(dp_texture2D(Texture_Reflection, ScreenTexCoord + vec2(0.01, 0.01)).rgb) / 0.05);\n",
-"      f      *= min(1.0, length(dp_texture2D(Texture_Reflection, ScreenTexCoord + vec2(0.01, -0.01)).rgb) / 0.05);\n",
-"      f      *= min(1.0, length(dp_texture2D(Texture_Reflection, ScreenTexCoord + vec2(-0.01, 0.01)).rgb) / 0.05);\n",
-"      f      *= min(1.0, length(dp_texture2D(Texture_Reflection, ScreenTexCoord + vec2(-0.01, -0.01)).rgb) / 0.05);\n",
+"      float f = minonesat(length(dp_texture2D(Texture_Reflection, ScreenTexCoord + vec2(0.01, 0.01)).rgb) / 0.05);\n",
+"      f      *= minonesat(length(dp_texture2D(Texture_Reflection, ScreenTexCoord + vec2(0.01, -0.01)).rgb) / 0.05);\n",
+"      f      *= minonesat(length(dp_texture2D(Texture_Reflection, ScreenTexCoord + vec2(-0.01, 0.01)).rgb) / 0.05);\n",
+"      f      *= minonesat(length(dp_texture2D(Texture_Reflection, ScreenTexCoord + vec2(-0.01, -0.01)).rgb) / 0.05);\n",
 "      ScreenTexCoord = mix(SafeScreenTexCoord, ScreenTexCoord, f);\n",
 "      color.rgb = mix(color.rgb, cast_myhalf3(dp_texture2D(Texture_Reflection, ScreenTexCoord)) * ReflectColor.rgb, ReflectColor.a);\n",
 "#endif\n",