30 lines
790 B
C
30 lines
790 B
C
"#ifdef GL_ES\n"
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"precision mediump float;\n"
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"#endif\n"
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"attribute vec4 vertex;\n"
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"attribute vec4 color;\n"
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"attribute vec2 tex_coord;\n"
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"attribute float r;\n"
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"uniform mat4 mvp;\n"
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"uniform sampler1D tex_blur;\n"
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"varying float weight;\n"
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"varying vec4 col;\n"
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"varying vec2 tex_c;\n"
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"\n"
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"void main(){\n"
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" /* FIXME: This index shoudl be tweaked so for \n"
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" radius 1, I want 3 points at 1/4, 2/4, 3/4 */\n"
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" /*\n"
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" for (float i = 0 ; i <= radius * 2 ; i ++){\n"
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" float pos = i;\n"
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" float r = float(radius);\n"
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" weight += sampler1D(tex_blur, 1.0 / (r * 2.0 * pos));\n"
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" }*/\n"
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" for (float i = 0.0 ; i < r * 2.0 ; i += 1.0){\n"
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" weight += sampler1D(tex_blur, 1.0 / (r * 2.0 * i));\n"
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" }\n"
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" gl_Position = mvp * vertex;\n"
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" col = color;\n"
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" tex_c = tex_coord;\n"
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"}\n"
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