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authorJames Canete <use.less01@gmail.com>2012-12-04 01:56:52 +0000
committerTim Angus <tim@ngus.net>2013-01-12 21:24:53 +0000
commit8cb69adad0915fc5de6dc87db1ae28aba44d350e (patch)
tree7db5db21b83edf73c901c4e6eae884037407adde /src/rend2/glsl/dlight_vp.glsl
parent815a7ae53be78f1f7108dbf086b2928d3017bbe4 (diff)
#5808 - Include and use .glsl in source (rend2)
Diffstat (limited to 'src/rend2/glsl/dlight_vp.glsl')
-rw-r--r--src/rend2/glsl/dlight_vp.glsl92
1 files changed, 92 insertions, 0 deletions
diff --git a/src/rend2/glsl/dlight_vp.glsl b/src/rend2/glsl/dlight_vp.glsl
new file mode 100644
index 00000000..d9fd71d0
--- /dev/null
+++ b/src/rend2/glsl/dlight_vp.glsl
@@ -0,0 +1,92 @@
+attribute vec4 attr_Position;
+attribute vec4 attr_TexCoord0;
+attribute vec3 attr_Normal;
+
+uniform vec4 u_DlightInfo;
+
+#if defined(USE_DEFORM_VERTEXES)
+uniform int u_DeformGen;
+uniform float u_DeformParams[5];
+uniform float u_Time;
+#endif
+
+uniform vec4 u_Color;
+uniform mat4 u_ModelViewProjectionMatrix;
+
+varying vec2 var_Tex1;
+varying vec4 var_Color;
+
+#if defined(USE_DEFORM_VERTEXES)
+vec3 DeformPosition(const vec3 pos, const vec3 normal, const vec2 st)
+{
+ if (u_DeformGen == 0)
+ {
+ return pos;
+ }
+
+ float base = u_DeformParams[0];
+ float amplitude = u_DeformParams[1];
+ float phase = u_DeformParams[2];
+ float frequency = u_DeformParams[3];
+ float spread = u_DeformParams[4];
+
+ if (u_DeformGen == DGEN_BULGE)
+ {
+ phase *= M_PI * 0.25 * st.x;
+ }
+ else // if (u_DeformGen <= DGEN_WAVE_INVERSE_SAWTOOTH)
+ {
+ phase += dot(pos.xyz, vec3(spread));
+ }
+
+ float value = phase + (u_Time * frequency);
+ float func;
+
+ if (u_DeformGen == DGEN_WAVE_SIN)
+ {
+ func = sin(value * 2.0 * M_PI);
+ }
+ else if (u_DeformGen == DGEN_WAVE_SQUARE)
+ {
+ func = sign(sin(value * 2.0 * M_PI));
+ }
+ else if (u_DeformGen == DGEN_WAVE_TRIANGLE)
+ {
+ func = abs(fract(value + 0.75) - 0.5) * 4.0 - 1.0;
+ }
+ else if (u_DeformGen == DGEN_WAVE_SAWTOOTH)
+ {
+ func = fract(value);
+ }
+ else if (u_DeformGen == DGEN_WAVE_INVERSE_SAWTOOTH)
+ {
+ func = (1.0 - fract(value));
+ }
+ else if (u_DeformGen == DGEN_BULGE)
+ {
+ func = sin(value);
+ }
+
+ return pos + normal * (base + func * amplitude);
+}
+#endif
+
+void main()
+{
+ vec4 position = attr_Position;
+ vec3 normal = attr_Normal;
+
+#if defined(USE_DEFORM_VERTEXES)
+ position.xyz = DeformPosition(position.xyz, normal, attr_TexCoord0.st);
+#endif
+
+ gl_Position = u_ModelViewProjectionMatrix * position;
+
+ vec3 dist = u_DlightInfo.xyz - position.xyz;
+
+ var_Tex1 = dist.xy * u_DlightInfo.a + vec2(0.5);
+ float dlightmod = step(0.0, dot(dist, normal));
+ dlightmod *= clamp(2.0 * (1.0 - abs(dist.z) * u_DlightInfo.a), 0.0, 1.0);
+
+ var_Color = u_Color * dlightmod;
+}