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use GLShader for PolygonLayer

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This commit is contained in:
Hannes Janetzek
2014-03-20 13:28:41 +01:00
parent 357713b3a2
commit 0fb0aa59c2
3 changed files with 115 additions and 162 deletions
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6
vtm/resources/assets/shaders/simple_shader.glsl → vtm/resources/assets/shaders/base_shader.glsl
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@@ -1,11 +1,15 @@
#ifdef GLES
precision mediump float;
#endif
uniform mat4 u_mvp;
attribute vec4 a_pos;
void main() {
gl_Position = u_mvp * a_pos;
}
§
$$
#ifdef GLES
precision mediump float;
#endif
uniform vec4 u_color;
void main() {
gl_FragColor = u_color;

28
vtm/resources/assets/shaders/polygon_layer_tex.glsl Normal file
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@@ -0,0 +1,28 @@
#ifdef GLES
precision mediump float;
#endif
uniform mat4 u_mvp;
uniform vec2 u_scale;
attribute vec4 a_pos;
varying vec2 v_st;
varying vec2 v_st2;
void
main(){
v_st = clamp(a_pos.xy, 0.0, 1.0) * (2.0 / u_scale.y);
v_st2 = clamp(a_pos.xy, 0.0, 1.0) * (4.0 / u_scale.y);
gl_Position = u_mvp * a_pos;
}
$$
#ifdef GLES
precision mediump float;
#endif
uniform vec4 u_color;
uniform sampler2D tex;
uniform vec2 u_scale;
varying vec2 v_st;
varying vec2 v_st2;
void
main(){
gl_FragColor = mix(texture2D(tex, v_st), texture2D(tex, v_st2), u_scale.x);
}