21 lines
500 B
GLSL
21 lines
500 B
GLSL
#version 330 core
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uniform mat4 u_MVP;
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layout(location = 0) in vec3 in_pos;
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layout(location = 3) in vec4 in_color;
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layout(location = 8) in vec2 in_texcoord;
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out vec4 vColor;
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out vec2 vTexCoord;
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void main(void) {
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gl_Position = u_MVP * vec4(in_pos, 1.0);
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vColor = in_color;
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// in_texcoord is defined with (0,0) at top-left (same as in_pos)
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// however, sampling in OpenGL expects bottom-left. So we must flip Y.
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vTexCoord = vec2(in_texcoord.x, 1.0 - in_texcoord.y);
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}
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