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-rw-r--r--src/mbgl/programs/gl/raster.cpp103
1 files changed, 103 insertions, 0 deletions
diff --git a/src/mbgl/programs/gl/raster.cpp b/src/mbgl/programs/gl/raster.cpp
new file mode 100644
index 0000000000..512dc81a30
--- /dev/null
+++ b/src/mbgl/programs/gl/raster.cpp
@@ -0,0 +1,103 @@
+// NOTE: DO NOT CHANGE THIS FILE. IT IS AUTOMATICALLY GENERATED.
+
+#include <mbgl/programs/raster_program.hpp>
+#include <mbgl/programs/gl/shader_source.hpp>
+#include <mbgl/gl/program.hpp>
+
+namespace mbgl {
+namespace gfx {
+
+template <>
+std::unique_ptr<Program<RasterProgram>>
+Context::createProgram<gl::Context>(const ProgramParameters& programParameters) {
+ return gl::Program<RasterProgram>::createProgram(
+ reinterpret_cast<gl::Context&>(*this), programParameters, "raster",
+ programs::gl::shaderSource() + 48592, programs::gl::shaderSource() + 48941);
+}
+
+} // namespace gfx
+} // namespace mbgl
+
+// Uncompressed source of raster.vertex.glsl:
+/*
+uniform mat4 u_matrix;
+uniform vec2 u_tl_parent;
+uniform float u_scale_parent;
+uniform float u_buffer_scale;
+
+attribute vec2 a_pos;
+attribute vec2 a_texture_pos;
+
+varying vec2 v_pos0;
+varying vec2 v_pos1;
+
+void main() {
+ gl_Position = u_matrix * vec4(a_pos, 0, 1);
+ // We are using Int16 for texture position coordinates to give us enough precision for
+ // fractional coordinates. We use 8192 to scale the texture coordinates in the buffer
+ // as an arbitrarily high number to preserve adequate precision when rendering.
+ // This is also the same value as the EXTENT we are using for our tile buffer pos coordinates,
+ // so math for modifying either is consistent.
+ v_pos0 = (((a_texture_pos / 8192.0) - 0.5) / u_buffer_scale ) + 0.5;
+ v_pos1 = (v_pos0 * u_scale_parent) + u_tl_parent;
+}
+
+*/
+
+// Uncompressed source of raster.fragment.glsl:
+/*
+uniform float u_fade_t;
+uniform float u_opacity;
+uniform sampler2D u_image0;
+uniform sampler2D u_image1;
+varying vec2 v_pos0;
+varying vec2 v_pos1;
+
+uniform float u_brightness_low;
+uniform float u_brightness_high;
+
+uniform float u_saturation_factor;
+uniform float u_contrast_factor;
+uniform vec3 u_spin_weights;
+
+void main() {
+
+ // read and cross-fade colors from the main and parent tiles
+ vec4 color0 = texture2D(u_image0, v_pos0);
+ vec4 color1 = texture2D(u_image1, v_pos1);
+ if (color0.a > 0.0) {
+ color0.rgb = color0.rgb / color0.a;
+ }
+ if (color1.a > 0.0) {
+ color1.rgb = color1.rgb / color1.a;
+ }
+ vec4 color = mix(color0, color1, u_fade_t);
+ color.a *= u_opacity;
+ vec3 rgb = color.rgb;
+
+ // spin
+ rgb = vec3(
+ dot(rgb, u_spin_weights.xyz),
+ dot(rgb, u_spin_weights.zxy),
+ dot(rgb, u_spin_weights.yzx));
+
+ // saturation
+ float average = (color.r + color.g + color.b) / 3.0;
+ rgb += (average - rgb) * u_saturation_factor;
+
+ // contrast
+ rgb = (rgb - 0.5) * u_contrast_factor + 0.5;
+
+ // brightness
+ vec3 u_high_vec = vec3(u_brightness_low, u_brightness_low, u_brightness_low);
+ vec3 u_low_vec = vec3(u_brightness_high, u_brightness_high, u_brightness_high);
+
+ gl_FragColor = vec4(mix(u_high_vec, u_low_vec, rgb) * color.a, color.a);
+
+#ifdef OVERDRAW_INSPECTOR
+ gl_FragColor = vec4(1.0);
+#endif
+}
+
+*/
+