gl01/internal/render/drawtexture.frag

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#version 330
#define DrawTextureChannels_R (1<<0)
#define DrawTextureChannels_G (1<<1)
#define DrawTextureChannels_B (1<<2)
#define DrawTextureChannels_A (1<<3)
uniform float valueMin, valueMax;
uniform int channels;
uniform sampler2D tex;
in vec2 fragVert;
in vec2 fragTexCoord;
out vec4 outputColor;
void main() {
outputColor = vec4(0, 0, 0, 1);
}