ddnet/data/shader/tiletex.vert
2018-03-13 21:41:37 +01:00

21 lines
561 B
GLSL

#version 330
layout (location = 0) in vec2 inVertex;
layout (location = 1) in vec2 inVertexTexCoord;
layout (location = 2) in ivec2 inVertexTexRightOrBottom;
uniform mat4x2 Pos;
uniform float TexelOffset;
noperspective out vec2 texCoord;
void main()
{
gl_Position = vec4(Pos * vec4(inVertex, 0.0, 1.0), 0.0, 1.0);
float tx = (inVertexTexCoord.x/(16.0));
float ty = (inVertexTexCoord.y/(16.0));
texCoord = vec2(tx + (inVertexTexRightOrBottom.x == 0 ? TexelOffset : -TexelOffset), ty + (inVertexTexRightOrBottom.y == 0 ? TexelOffset : -TexelOffset));
}