[core] Compress shader source code

1 files changed, 265 insertions, 229 deletions

diff --git a/src/mbgl/shaders/line.cpp b/src/mbgl/shaders/line.cpp
index a4df33d9b6..5dfce93da4 100644
--- a/src/mbgl/shaders/line.cpp
+++ b/src/mbgl/shaders/line.cpp
@@ -1,240 +1,276 @@
 // NOTE: DO NOT CHANGE THIS FILE. IT IS AUTOMATICALLY GENERATED.
 
 #include <mbgl/shaders/line.hpp>
+#include <mbgl/util/compression.hpp>
+
+#include <cstdint>
 
 namespace mbgl {
 namespace shaders {
 
 const char* line::name = "line";
-const char* line::vertexSource = R"MBGL_SHADER(
-
-
-// the distance over which the line edge fades out.
-// Retina devices need a smaller distance to avoid aliasing.
-#define ANTIALIASING 1.0 / DEVICE_PIXEL_RATIO / 2.0
-
-// floor(127 / 2) == 63.0
-// the maximum allowed miter limit is 2.0 at the moment. the extrude normal is
-// stored in a byte (-128..127). we scale regular normals up to length 63, but
-// there are also "special" normals that have a bigger length (of up to 126 in
-// this case).
-// #define scale 63.0
-#define scale 0.015873016
-
-attribute vec4 a_pos_normal;
-attribute vec4 a_data;
-
-uniform mat4 u_matrix;
-uniform mediump float u_ratio;
-uniform vec2 u_gl_units_to_pixels;
-
-varying vec2 v_normal;
-varying vec2 v_width2;
-varying float v_gamma_scale;
-varying highp float v_linesofar;
-
-
-#ifndef HAS_UNIFORM_u_color
-uniform lowp float a_color_t;
-attribute highp vec4 a_color;
-varying highp vec4 color;
-#else
-uniform highp vec4 u_color;
-#endif
-
-
-#ifndef HAS_UNIFORM_u_blur
-uniform lowp float a_blur_t;
-attribute lowp vec2 a_blur;
-varying lowp float blur;
-#else
-uniform lowp float u_blur;
-#endif
-
-
-#ifndef HAS_UNIFORM_u_opacity
-uniform lowp float a_opacity_t;
-attribute lowp vec2 a_opacity;
-varying lowp float opacity;
-#else
-uniform lowp float u_opacity;
-#endif
-
-
-#ifndef HAS_UNIFORM_u_gapwidth
-uniform lowp float a_gapwidth_t;
-attribute mediump vec2 a_gapwidth;
-#else
-uniform mediump float u_gapwidth;
-#endif
-
-
-#ifndef HAS_UNIFORM_u_offset
-uniform lowp float a_offset_t;
-attribute lowp vec2 a_offset;
-#else
-uniform lowp float u_offset;
-#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_color
-    color = unpack_mix_vec4(a_color, a_color_t);
-#else
-    highp vec4 color = u_color;
-#endif
-
-    
-#ifndef HAS_UNIFORM_u_blur
-    blur = unpack_mix_vec2(a_blur, a_blur_t);
-#else
-    lowp float blur = u_blur;
-#endif
-
-    
-#ifndef HAS_UNIFORM_u_opacity
-    opacity = unpack_mix_vec2(a_opacity, a_opacity_t);
-#else
-    lowp float opacity = u_opacity;
-#endif
-
-    
-#ifndef HAS_UNIFORM_u_gapwidth
-    mediump float gapwidth = unpack_mix_vec2(a_gapwidth, a_gapwidth_t);
-#else
-    mediump float gapwidth = u_gapwidth;
-#endif
-
-    
-#ifndef HAS_UNIFORM_u_offset
-    lowp float offset = unpack_mix_vec2(a_offset, a_offset_t);
-#else
-    lowp float offset = u_offset;
-#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;
-
-    v_linesofar = (floor(a_data.z / 4.0) + a_data.w * 64.0) * 2.0;
-
-    vec2 pos = a_pos_normal.xy;
-
-    // x is 1 if it's a round cap, 0 otherwise
-    // y is 1 if the normal points up, and -1 if it points down
-    mediump vec2 normal = a_pos_normal.zw;
-    v_normal = normal;
-
-    // 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 halfwidth = width / 2.0;
-    offset = -1.0 * offset;
-
-    float inset = gapwidth + (gapwidth > 0.0 ? ANTIALIASING : 0.0);
-    float outset = gapwidth + halfwidth * (gapwidth > 0.0 ? 2.0 : 1.0) + (halfwidth == 0.0 ? 0.0 : ANTIALIASING);
-
-    // Scale the extrusion vector down to a normal and then up by the line width
-    // of this vertex.
-    mediump vec2 dist = outset * a_extrude * scale;
-
-    // Calculate the offset when drawing a line that is to the side of the actual line.
-    // We do this by creating a vector that points towards the extrude, but rotate
-    // it when we're drawing round end points (a_direction = -1 or 1) since their
-    // extrude vector points in another direction.
-    mediump float u = 0.5 * a_direction;
-    mediump float t = 1.0 - abs(u);
-    mediump vec2 offset2 = offset * a_extrude * scale * normal.y * mat2(t, -u, u, t);
-
-    vec4 projected_extrude = u_matrix * vec4(dist / u_ratio, 0.0, 0.0);
-    gl_Position = u_matrix * vec4(pos + offset2 / u_ratio, 0.0, 1.0) + projected_extrude;
-
-    // calculate how much the perspective view squishes or stretches the extrude
-    float extrude_length_without_perspective = length(dist);
-    float extrude_length_with_perspective = length(projected_extrude.xy / gl_Position.w * u_gl_units_to_pixels);
-    v_gamma_scale = extrude_length_without_perspective / extrude_length_with_perspective;
-
-    v_width2 = vec2(outset, inset);
-}
-
-)MBGL_SHADER";
-const char* line::fragmentSource = R"MBGL_SHADER(
-
-#ifndef HAS_UNIFORM_u_color
-varying highp vec4 color;
-#else
-uniform highp vec4 u_color;
-#endif
-
-
-#ifndef HAS_UNIFORM_u_blur
-varying lowp float blur;
-#else
-uniform lowp float u_blur;
-#endif
-
-
-#ifndef HAS_UNIFORM_u_opacity
-varying lowp float opacity;
-#else
-uniform lowp float u_opacity;
-#endif
-
-
-varying vec2 v_width2;
-varying vec2 v_normal;
-varying float v_gamma_scale;
-
-void main() {
-    
-#ifdef HAS_UNIFORM_u_color
-    highp vec4 color = u_color;
-#endif
-
-    
-#ifdef HAS_UNIFORM_u_blur
-    lowp float blur = u_blur;
-#endif
-
-    
-#ifdef HAS_UNIFORM_u_opacity
-    lowp float opacity = u_opacity;
-#endif
-
-
-    // Calculate the distance of the pixel from the line in pixels.
-    float dist = length(v_normal) * v_width2.s;
-
-    // Calculate the antialiasing fade factor. This is either when fading in
-    // the line in case of an offset line (v_width2.t) or when fading out
-    // (v_width2.s)
-    float blur2 = (blur + 1.0 / DEVICE_PIXEL_RATIO) * v_gamma_scale;
-    float alpha = clamp(min(dist - (v_width2.t - blur2), v_width2.s - dist) / blur2, 0.0, 1.0);
-
-    gl_FragColor = color * (alpha * opacity);
-
-#ifdef OVERDRAW_INSPECTOR
-    gl_FragColor = vec4(1.0);
-#endif
-}
-
-)MBGL_SHADER";
+const char* line::vertexSource = [] () {
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+        0xf6, 0xed, 0xf4, 0xd3, 0x36, 0x36, 0x3a, 0x94,
+        0x6b, 0xcb, 0xc0, 0x71, 0x4a, 0xd2, 0x7c, 0x17,
+        0x9c, 0xd6, 0x13, 0x8d, 0x3e, 0xb8, 0x3f, 0xb7,
+        0xd1, 0xeb, 0x4e, 0x5b, 0x5e, 0x83, 0xe3, 0xaa,
+        0xde, 0xd7, 0x1b, 0x96, 0x46, 0x38, 0x42, 0x68,
+        0x0b, 0xd0, 0x9d, 0x40, 0x4d, 0x08, 0xe2, 0x92,
+        0xd5, 0xc4, 0x8c, 0x98, 0x45, 0x60, 0x26, 0x04,
+        0x0c, 0xea, 0x8b, 0x42, 0xc4, 0xdc, 0x02, 0xc1,
+        0x22, 0x8b, 0x74, 0x85, 0xd8, 0x49, 0xad, 0x29,
+        0xa4, 0x3f, 0x70, 0x9c, 0x93, 0x16, 0x26, 0xee,
+        0x23, 0x2a, 0x39, 0x96, 0x9c, 0x71, 0xe6, 0x76,
+        0x6e, 0xdc, 0xb9, 0xa6, 0xd0, 0xb2, 0x66, 0x65,
+        0xac, 0xba, 0xd3, 0x90, 0x99, 0x5c, 0xb0, 0xff,
+        0x34, 0x22, 0xf3, 0x2e, 0x85, 0x03, 0x56, 0xf3,
+        0xa7, 0x38, 0xc8, 0x78, 0x78, 0xb6, 0x47, 0xf1,
+        0x26, 0xf2, 0xde, 0x86, 0x87, 0x77, 0x0b, 0x76,
+        0x20, 0x86, 0x9b, 0x8d, 0x10, 0xb1, 0x19, 0x06,
+        0x13, 0x2e, 0x4a, 0xef, 0xd1, 0x67, 0xc5, 0x61,
+        0x72, 0x0e, 0x68, 0xe8, 0xca, 0x4d, 0xb7, 0x43,
+        0xe3, 0x28, 0xe8, 0xb9, 0x0f, 0x2b, 0xa0, 0xe3,
+        0x7f, 0x61, 0xf2, 0xdb, 0x28, 0x2e, 0x7a, 0x14,
+        0xe9, 0x2c, 0xa8, 0xa2, 0x6f, 0x80, 0xad, 0xd4,
+        0xb0, 0x1a, 0x2d, 0x4e, 0x4f, 0xcc, 0x26, 0x7e,
+        0x4e, 0x87, 0x66, 0x8f, 0xa0, 0xe7, 0xd0, 0xf0,
+        0xd7, 0xdd, 0x0c, 0x7b, 0xfc, 0xc4, 0x66, 0x9f,
+        0x0f, 0xf1, 0x29, 0xb9, 0xa9, 0xc6, 0x80, 0x7f,
+        0xf5, 0xa8, 0xbd, 0xe8, 0x6e, 0xa1, 0x28, 0xe5,
+        0x5f, 0x88, 0x87, 0xc7, 0x9d, 0xfb, 0xd8, 0x4f,
+        0x4d, 0x68, 0x6b, 0x38, 0x8c, 0x29, 0x92, 0x89,
+        0x1f, 0x96, 0xc6, 0x54, 0xc3, 0xe3, 0x4e, 0xaf,
+        0xe0, 0xb0, 0xf4, 0x51, 0x2a, 0xe1, 0xb2, 0x78,
+        0x6c, 0x4c, 0x37, 0xe9, 0xb3, 0x06, 0xf5, 0xb1,
+        0x17, 0xd7, 0x29, 0x27, 0x28, 0xda, 0xb2, 0x8b,
+        0x9a, 0xb2, 0x4b, 0x64, 0x0d, 0x59, 0xe5, 0x26,
+        0xfd, 0x82, 0x97, 0x34, 0x9a, 0x9a, 0xdb, 0x69,
+        0x2b, 0x78, 0x0d, 0xea, 0x9f, 0x4a, 0xa8, 0x84,
+        0x66, 0xfe, 0x12, 0x67, 0xe2, 0x92, 0xeb, 0x88,
+        0xfe, 0xd3, 0x29, 0x94, 0x4e, 0x5f, 0xbb, 0x95,
+        0xd0, 0x0e, 0xae, 0xf8, 0x48, 0xe9, 0x04, 0x3b,
+        0x20, 0xec, 0xfa, 0xbc, 0x77, 0x53, 0xad, 0xd9,
+        0xfc, 0xc1, 0xa5, 0xd0, 0x63, 0xdc, 0x6f, 0x79,
+        0xb2, 0x29, 0x7a, 0xe1, 0x26, 0xdd, 0x74, 0x99,
+        0x17, 0xa8, 0x6f, 0xda, 0x1c, 0xf9, 0xfb, 0xbc,
+        0x33, 0x35, 0xa2, 0xe3, 0x6f, 0xc0, 0x3d, 0xf9,
+        0x1a, 0xbe, 0xe6, 0xa5, 0xb4, 0x83, 0x2a, 0x7a,
+        0x35, 0xef, 0xbb, 0xbd, 0x01, 0xc6, 0xf6, 0xda,
+        0xc4, 0xf0, 0xff, 0x0d, 0xfe, 0x07, 0x19, 0xfc,
+        0xc0, 0x02
+    };
+    static std::string decompressed = util::decompress(std::string(reinterpret_cast<const char*>(compressed), sizeof(compressed)));
+    return decompressed.c_str();
+}();
+const char* line::fragmentSource = [] () {
+    static const uint8_t compressed[] = {
+        0x78, 0xda, 0x85, 0x92, 0x51, 0x6f, 0x9b, 0x30,
+        0x10, 0xc7, 0xdf, 0xf9, 0x14, 0x27, 0xf5, 0x05,
+        0xb2, 0x8c, 0x64, 0xd1, 0xde, 0xa2, 0x3d, 0x44,
+        0x29, 0xd5, 0x90, 0xb6, 0xa6, 0xa2, 0x59, 0xb7,
+        0x37, 0xeb, 0x06, 0x06, 0x2c, 0x19, 0x1b, 0x61,
+        0x93, 0xac, 0x9a, 0xf6, 0xdd, 0x67, 0x1b, 0x68,
+        0x08, 0x4d, 0xda, 0x28, 0x42, 0xf2, 0xdd, 0xf9,
+        0xf7, 0xbf, 0xfb, 0xfb, 0xbc, 0x1b, 0x96, 0x8b,
+        0x8c, 0xe6, 0xf0, 0x75, 0xf3, 0x48, 0x7e, 0xdc,
+        0xc7, 0x77, 0xbb, 0xe4, 0x3b, 0x69, 0x49, 0x2a,
+        0xb9, 0x6c, 0xbc, 0x03, 0x36, 0xcf, 0x4c, 0x14,
+        0x50, 0xb2, 0xa2, 0xac, 0xe1, 0x40, 0xd3, 0xcf,
+        0xe0, 0x12, 0x6b, 0xef, 0x86, 0x72, 0x45, 0xbd,
+        0x56, 0xb0, 0x5c, 0x36, 0xd5, 0x38, 0xdf, 0x5f,
+        0xb5, 0x15, 0x22, 0x63, 0xb9, 0xe7, 0x79, 0x97,
+        0x05, 0x7e, 0xf3, 0xf6, 0xc4, 0xe7, 0xf2, 0x58,
+        0x43, 0xce, 0x25, 0x6a, 0xb0, 0xf1, 0x29, 0x7e,
+        0x94, 0xee, 0x2e, 0xbe, 0x4b, 0x97, 0x35, 0xa6,
+        0x4c, 0x3f, 0x5f, 0x12, 0xe8, 0x53, 0x6f, 0x6a,
+        0x8c, 0x6a, 0x7a, 0x99, 0x01, 0x64, 0x66, 0x5c,
+        0xc1, 0x81, 0x1c, 0x59, 0xa6, 0xcb, 0xd5, 0x7a,
+        0x1a, 0x16, 0x86, 0x84, 0xfc, 0x14, 0xee, 0x78,
+        0x07, 0x52, 0x60, 0x55, 0x21, 0x51, 0x29, 0x72,
+        0xba, 0x36, 0x2c, 0xc9, 0x32, 0xa8, 0x90, 0x09,
+        0x3f, 0x80, 0xbf, 0x1e, 0x98, 0x9f, 0x9d, 0xe2,
+        0xda, 0x1b, 0xd8, 0xfc, 0xd4, 0x7f, 0xf8, 0xf2,
+        0xda, 0xe7, 0xeb, 0x1c, 0x67, 0xb5, 0x4d, 0x4f,
+        0x6c, 0x76, 0x94, 0x73, 0x3b, 0xaf, 0x43, 0x06,
+        0x47, 0x27, 0x9c, 0x3e, 0xec, 0x50, 0xaf, 0x5d,
+        0xb3, 0xc5, 0x8b, 0x05, 0x6c, 0x91, 0xa7, 0x2d,
+        0x47, 0x4d, 0x41, 0x97, 0x14, 0x32, 0xa6, 0x34,
+        0x8a, 0x94, 0x82, 0xcc, 0xdd, 0xb9, 0x66, 0x7f,
+        0x28, 0x87, 0xbc, 0x91, 0x95, 0x3b, 0x72, 0x26,
+        0x28, 0x30, 0xd1, 0x85, 0x55, 0xe8, 0x18, 0x9d,
+        0x96, 0xbd, 0x68, 0x84, 0x38, 0x15, 0x85, 0x2e,
+        0xfd, 0xc1, 0xed, 0x00, 0x66, 0x2f, 0x0f, 0x12,
+        0xaa, 0xf5, 0x15, 0x51, 0x14, 0x9a, 0x21, 0x67,
+        0xa8, 0xdc, 0xb3, 0x60, 0x46, 0xcd, 0x27, 0xd5,
+        0xb2, 0x09, 0x61, 0x5f, 0x32, 0x05, 0xe6, 0x4f,
+        0x99, 0xa9, 0x6b, 0xe0, 0x58, 0x52, 0x61, 0x0b,
+        0x6c, 0x1d, 0x13, 0x03, 0x6c, 0xdc, 0x58, 0x8a,
+        0xca, 0xf5, 0x8e, 0xc2, 0x7c, 0x73, 0x45, 0x75,
+        0x97, 0xf1, 0x5f, 0x9a, 0xd0, 0x01, 0xc8, 0x73,
+        0x90, 0x6c, 0xf5, 0x40, 0x3a, 0x95, 0xa9, 0x60,
+        0x34, 0x9b, 0x7d, 0x86, 0x95, 0x19, 0xce, 0x77,
+        0x0f, 0xf3, 0x01, 0x3e, 0x85, 0x4b, 0x58, 0xc0,
+        0x6d, 0xf4, 0x14, 0x6f, 0x23, 0xf2, 0x10, 0xff,
+        0x8a, 0xbe, 0x91, 0x64, 0xb3, 0x8f, 0x77, 0xdd,
+        0xb4, 0x67, 0xfb, 0x74, 0x82, 0x20, 0xaf, 0x4b,
+        0x34, 0x90, 0x94, 0x63, 0x55, 0xfb, 0x95, 0x59,
+        0x30, 0x67, 0xd9, 0xc7, 0x71, 0x6f, 0xe6, 0xe4,
+        0xb4, 0x82, 0xf9, 0xc8, 0x35, 0x13, 0xb4, 0x95,
+        0x81, 0x91, 0x74, 0xc9, 0x39, 0x2c, 0xc3, 0xe5,
+        0xdc, 0x36, 0x11, 0xf4, 0x86, 0x16, 0x9c, 0xdc,
+        0x35, 0x58, 0x6c, 0xfb, 0xed, 0xeb, 0xb6, 0x70,
+        0x06, 0x7e, 0x27, 0x39, 0x1b, 0xf6, 0xc0, 0x96,
+        0xf7, 0xeb, 0xb3, 0x7b, 0x8a, 0x92, 0xdb, 0x64,
+        0xf3, 0x93, 0xc4, 0xf7, 0x8f, 0x0f, 0xd1, 0x76,
+        0xbf, 0x4b, 0x2e, 0x81, 0xec, 0x4e, 0xfb, 0x9d,
+        0x4e, 0xbf, 0x35, 0xff, 0xbc, 0xff, 0x74, 0x55,
+        0x77, 0xc9
+    };
+    static std::string decompressed = util::decompress(std::string(reinterpret_cast<const char*>(compressed), sizeof(compressed)));
+    return decompressed.c_str();
+}();
 
 } // namespace shaders
 } // namespace mbgl