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c04819c5af
* Move to glslang's convention for shader file suffix * Update ci.yml * Oops, a mistake in the shader, how could that happen? * Does the command error on its own? * Update ci.yml * Revert "Oops, a mistake in the shader, how could that happen?" This reverts commit 869c3323f3d3b5fa607b40e7847c389a12b01f33. * Update ci.yml
26 lines
620 B
GLSL
26 lines
620 B
GLSL
#version 460
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//in pixel
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layout(location = 0) uniform vec2 start;
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layout(location = 1) uniform vec2 dimension;
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layout(location = 2) uniform vec2 screen;
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layout(location = 3) uniform int points;
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layout(location = 4) uniform int offset;
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layout(std430, binding = 5) buffer _data
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{
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float data[];
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};
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void main() {
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float x = gl_VertexID;
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float y = -data[(gl_VertexID+offset)%points];
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// Convert to opengl coordinates:
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vec2 position_percentage = (start + dimension*vec2(x/points, y))/screen;
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vec2 position = vec2(position_percentage.x, -position_percentage.y)*2 + vec2(-1, 1);
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gl_Position = vec4(position, 0, 1);
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}
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