Apertura del repositorio

indra/newview/app_settings/shaders/class1/effects/glowExtractF.glsl

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+/**
+ * @file glowExtractF.glsl
+ *
+ * $LicenseInfo:firstyear=2007&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2007, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+/*[EXTRA_CODE_HERE]*/
+
+out vec4 frag_color;
+
+uniform sampler2D diffuseMap;
+#if HAS_NOISE
+uniform sampler2D glowNoiseMap;
+uniform vec2 screen_res;
+#endif
+uniform float minLuminance;
+uniform float maxExtractAlpha;
+uniform vec3 lumWeights;
+uniform vec3 warmthWeights;
+uniform float warmthAmount;
+
+in vec2 vary_texcoord0;
+
+void main()
+{
+    vec4 col = texture(diffuseMap, vary_texcoord0.xy);
+    /// CALCULATING LUMINANCE (Using NTSC lum weights)
+    /// http://en.wikipedia.org/wiki/Luma_%28video%29
+    float lum = smoothstep(minLuminance, minLuminance+1.0, dot(col.rgb, lumWeights ) );
+    float warmth = smoothstep(minLuminance, minLuminance+1.0, max(col.r * warmthWeights.r, max(col.g * warmthWeights.g, col.b * warmthWeights.b)) );
+
+#if HAS_NOISE
+    float TRUE_NOISE_RES = 128; // See mTrueNoiseMap
+    // *NOTE: Usually this is vary_fragcoord not vary_texcoord0, but glow extraction is in screen space
+    vec3 glow_noise = texture(glowNoiseMap, vary_texcoord0.xy * (screen_res / TRUE_NOISE_RES)).xyz;
+    // Dithering. Reduces banding effects in the reduced precision glow buffer.
+    float NOISE_DEPTH = 64.0;
+    col.rgb += glow_noise / NOISE_DEPTH;
+    col.rgb = max(col.rgb, vec3(0));
+#endif
+    frag_color.rgb = col.rgb;
+    frag_color.a = max(col.a, mix(lum, warmth, warmthAmount) * maxExtractAlpha);
+
+}

indra/newview/app_settings/shaders/class1/effects/glowExtractV.glsl

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+/**
+ * @file glowExtractV.glsl
+ *
+ * $LicenseInfo:firstyear=2007&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2007, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+uniform mat4 modelview_projection_matrix;
+
+in vec3 position;
+
+out vec2 vary_texcoord0;
+
+void main()
+{
+    gl_Position = vec4(position, 1.0);
+
+    vary_texcoord0.xy = position.xy * 0.5 + 0.5;
+}

indra/newview/app_settings/shaders/class1/effects/glowF.glsl

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+/**
+ * @file glowF.glsl
+ *
+ * $LicenseInfo:firstyear=2007&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2007, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+out vec4 frag_color;
+
+uniform sampler2D diffuseMap;
+uniform float glowStrength;
+
+in vec4 vary_texcoord0;
+in vec4 vary_texcoord1;
+in vec4 vary_texcoord2;
+in vec4 vary_texcoord3;
+
+void main()
+{
+
+    vec4 col = vec4(0.0, 0.0, 0.0, 0.0);
+
+    // ATI compiler falls down on array initialization.
+    float kern[8];
+        kern[0] = 0.25; kern[1] = 0.5; kern[2] = 0.8; kern[3] = 1.0;
+        kern[4] = 1.0;  kern[5] = 0.8; kern[6] = 0.5; kern[7] = 0.25;
+
+    col += kern[0] * texture(diffuseMap, vary_texcoord0.xy);
+    col += kern[1] * texture(diffuseMap, vary_texcoord1.xy);
+    col += kern[2] * texture(diffuseMap, vary_texcoord2.xy);
+    col += kern[3] * texture(diffuseMap, vary_texcoord3.xy);
+    col += kern[4] * texture(diffuseMap, vary_texcoord0.zw);
+    col += kern[5] * texture(diffuseMap, vary_texcoord1.zw);
+    col += kern[6] * texture(diffuseMap, vary_texcoord2.zw);
+    col += kern[7] * texture(diffuseMap, vary_texcoord3.zw);
+
+    frag_color = max(vec4(col.rgb * glowStrength, col.a), vec4(0));
+}

indra/newview/app_settings/shaders/class1/effects/glowV.glsl

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+/**
+ * @file glowV.glsl
+ *
+ * $LicenseInfo:firstyear=2007&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2007, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+uniform mat4 modelview_projection_matrix;
+
+in vec3 position;
+
+uniform vec2 glowDelta;
+
+out vec4 vary_texcoord0;
+out vec4 vary_texcoord1;
+out vec4 vary_texcoord2;
+out vec4 vary_texcoord3;
+
+void main()
+{
+    gl_Position = vec4(position, 1.0);
+
+    vec2 texcoord = position.xy * 0.5 + 0.5;
+
+
+    vary_texcoord0.xy = texcoord + glowDelta*(-3.5);
+    vary_texcoord1.xy = texcoord + glowDelta*(-2.5);
+    vary_texcoord2.xy = texcoord + glowDelta*(-1.5);
+    vary_texcoord3.xy = texcoord + glowDelta*(-0.5);
+    vary_texcoord0.zw = texcoord + glowDelta*(0.5);
+    vary_texcoord1.zw = texcoord + glowDelta*(1.5);
+    vary_texcoord2.zw = texcoord + glowDelta*(2.5);
+    vary_texcoord3.zw = texcoord + glowDelta*(3.5);
+}