27 lines
733 B
Plaintext
27 lines
733 B
Plaintext
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/* Per vertex attributes */
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attribute vec4 vertex_attrib;
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attribute vec4 tex_coord_attrib;
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attribute vec4 color_attrib;
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/* Transformation matrices */
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uniform mat4 mvp_matrix; /* combined modelview and projection matrix */
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uniform mat4 texture_matrix;
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/* Outputs to the fragment shader */
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varying vec4 frag_color;
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varying vec2 tex_coord;
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void
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main (void)
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{
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/* Calculate the transformed position */
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gl_Position = mvp_matrix * vertex_attrib;
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/* Calculate the transformed texture coordinate */
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vec4 transformed_tex_coord = texture_matrix * tex_coord_attrib;
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tex_coord = transformed_tex_coord.st / transformed_tex_coord.q;
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/* Pass the interpolated vertex color on to the fragment shader */
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frag_color = color_attrib;
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}
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