diff options
Diffstat (limited to 'src/mbgl/shaders/heatmap_texture.cpp')
-rw-r--r-- | src/mbgl/shaders/heatmap_texture.cpp | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/src/mbgl/shaders/heatmap_texture.cpp b/src/mbgl/shaders/heatmap_texture.cpp index 527caf4dca..c68cffa506 100644 --- a/src/mbgl/shaders/heatmap_texture.cpp +++ b/src/mbgl/shaders/heatmap_texture.cpp @@ -10,5 +10,40 @@ const char* heatmap_texture::name = "heatmap_texture"; const char* heatmap_texture::vertexSource = source() + 13889; const char* heatmap_texture::fragmentSource = source() + 14105; +// Uncompressed source of heatmap_texture.vertex.glsl: +/* +uniform mat4 u_matrix; +uniform vec2 u_world; +attribute vec2 a_pos; +varying vec2 v_pos; + +void main() { + gl_Position = u_matrix * vec4(a_pos * u_world, 0, 1); + + v_pos.x = a_pos.x; + v_pos.y = 1.0 - a_pos.y; +} + +*/ + +// Uncompressed source of heatmap_texture.fragment.glsl: +/* +uniform sampler2D u_image; +uniform sampler2D u_color_ramp; +uniform float u_opacity; +varying vec2 v_pos; + +void main() { + float t = texture2D(u_image, v_pos).r; + vec4 color = texture2D(u_color_ramp, vec2(t, 0.5)); + gl_FragColor = color * u_opacity; + +#ifdef OVERDRAW_INSPECTOR + gl_FragColor = vec4(0.0); +#endif +} + +*/ + } // namespace shaders } // namespace mbgl |