diff options
Diffstat (limited to 'src/mbgl/shaders/line_pattern.cpp')
| -rw-r--r-- | src/mbgl/shaders/line_pattern.cpp | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/src/mbgl/shaders/line_pattern.cpp b/src/mbgl/shaders/line_pattern.cpp index 1c07b4f515..222042a13c 100644 --- a/src/mbgl/shaders/line_pattern.cpp +++ b/src/mbgl/shaders/line_pattern.cpp @@ -28,7 +28,6 @@ attribute vec4 a_data; uniform mat4 u_matrix; uniform mediump float u_ratio; -uniform mediump float u_width; uniform vec2 u_gl_units_to_pixels; varying vec2 v_normal; @@ -67,6 +66,13 @@ attribute mediump vec2 a_gapwidth; uniform mediump float u_gapwidth; #endif +#ifndef HAS_UNIFORM_u_width +uniform lowp float a_width_t; +attribute mediump vec2 a_width; +#else +uniform mediump float u_width; +#endif + void main() { #ifndef HAS_UNIFORM_u_blur @@ -93,6 +99,12 @@ void main() { mediump float gapwidth = u_gapwidth; #endif +#ifndef HAS_UNIFORM_u_width + mediump float width = unpack_mix_vec2(a_width, a_width_t); +#else + mediump float width = u_width; +#endif + vec2 a_extrude = a_data.xy - 128.0; float a_direction = mod(a_data.z, 4.0) - 1.0; float a_linesofar = (floor(a_data.z / 4.0) + a_data.w * 64.0) * LINE_DISTANCE_SCALE; @@ -108,11 +120,11 @@ void main() { // these transformations used to be applied in the JS and native code bases. // moved them into the shader for clarity and simplicity. gapwidth = gapwidth / 2.0; - float width = u_width / 2.0; + float halfwidth = width / 2.0; offset = -1.0 * offset; float inset = gapwidth + (gapwidth > 0.0 ? ANTIALIASING : 0.0); - float outset = gapwidth + width * (gapwidth > 0.0 ? 2.0 : 1.0) + ANTIALIASING; + float outset = gapwidth + halfwidth * (gapwidth > 0.0 ? 2.0 : 1.0) + ANTIALIASING; // Scale the extrusion vector down to a normal and then up by the line width // of this vertex. @@ -149,6 +161,7 @@ uniform vec2 u_pattern_tl_a; uniform vec2 u_pattern_br_a; uniform vec2 u_pattern_tl_b; uniform vec2 u_pattern_br_b; +uniform vec2 u_texsize; uniform float u_fade; uniform sampler2D u_image; @@ -194,8 +207,8 @@ void main() { float x_b = mod(v_linesofar / u_pattern_size_b.x, 1.0); float y_a = 0.5 + (v_normal.y * v_width2.s / u_pattern_size_a.y); float y_b = 0.5 + (v_normal.y * v_width2.s / u_pattern_size_b.y); - vec2 pos_a = mix(u_pattern_tl_a, u_pattern_br_a, vec2(x_a, y_a)); - vec2 pos_b = mix(u_pattern_tl_b, u_pattern_br_b, vec2(x_b, y_b)); + vec2 pos_a = mix(u_pattern_tl_a / u_texsize, u_pattern_br_a / u_texsize, vec2(x_a, y_a)); + vec2 pos_b = mix(u_pattern_tl_b / u_texsize, u_pattern_br_b / u_texsize, vec2(x_b, y_b)); vec4 color = mix(texture2D(u_image, pos_a), texture2D(u_image, pos_b), u_fade); |