9452c963c8
Draws 1024 cubes at random x,y positions with varying color with a single instanced draw call. Change-Id: I8737503acf23866ad4734b1d88753415a3b93445 Reviewed-by: Lars Knoll <lars.knoll@qt.io>
26 lines
603 B
GLSL
26 lines
603 B
GLSL
#version 440
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layout(location = 0) in vec4 position;
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// Instanced attributes to variate the translation and color of the cube
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layout(location = 1) in vec3 instTranslate;
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layout(location = 2) in vec3 instColor;
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layout(location = 0) out vec3 vColor;
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out gl_PerVertex { vec4 gl_Position; };
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layout(std140, binding = 0) uniform buf {
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mat4 mvp;
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} ubuf;
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void main()
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{
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vColor = instColor;
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mat4 t = mat4(1, 0, 0, 0,
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0, 1, 0, 0,
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0, 0, 1, 0,
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instTranslate.x, instTranslate.y, instTranslate.z, 1);
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gl_Position = ubuf.mvp * t * position;
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}
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