[core] Introduce gl::Program template

1 files changed, 65 insertions, 0 deletions

diff --git a/src/mbgl/programs/raster_program.hpp b/src/mbgl/programs/raster_program.hpp
new file mode 100644
index 0000000000..1e9a0cdb6a
--- /dev/null
+++ b/src/mbgl/programs/raster_program.hpp
@@ -0,0 +1,65 @@
+#pragma once
+
+#include <mbgl/programs/program.hpp>
+#include <mbgl/programs/attributes.hpp>
+#include <mbgl/programs/uniforms.hpp>
+#include <mbgl/shader/raster.hpp>
+#include <mbgl/util/geometry.hpp>
+
+namespace mbgl {
+
+namespace uniforms {
+MBGL_DEFINE_UNIFORM_SCALAR(gl::TextureUnit, u_image0);
+MBGL_DEFINE_UNIFORM_SCALAR(gl::TextureUnit, u_image1);
+MBGL_DEFINE_UNIFORM_SCALAR(float, u_opacity0);
+MBGL_DEFINE_UNIFORM_SCALAR(float, u_opacity1);
+MBGL_DEFINE_UNIFORM_SCALAR(float, u_buffer_scale);
+MBGL_DEFINE_UNIFORM_SCALAR(float, u_brightness_low);
+MBGL_DEFINE_UNIFORM_SCALAR(float, u_brightness_high);
+MBGL_DEFINE_UNIFORM_SCALAR(float, u_saturation_factor);
+MBGL_DEFINE_UNIFORM_SCALAR(float, u_contrast_factor);
+MBGL_DEFINE_UNIFORM_SCALAR(float, u_scale_parent);
+MBGL_DEFINE_UNIFORM_VECTOR(float, 3, u_spin_weights);
+MBGL_DEFINE_UNIFORM_VECTOR(float, 2, u_tl_parent);
+} // namespace uniforms
+
+class RasterProgram : public Program<
+    shaders::raster,
+    gl::Attributes<
+        attributes::a_pos,
+        attributes::a_texture_pos>,
+    gl::Uniforms<
+        uniforms::u_matrix,
+        uniforms::u_image0,
+        uniforms::u_image1,
+        uniforms::u_opacity0,
+        uniforms::u_opacity1,
+        uniforms::u_brightness_low,
+        uniforms::u_brightness_high,
+        uniforms::u_saturation_factor,
+        uniforms::u_contrast_factor,
+        uniforms::u_spin_weights,
+        uniforms::u_buffer_scale,
+        uniforms::u_scale_parent,
+        uniforms::u_tl_parent>>
+{
+public:
+    using Program::Program;
+
+    static Vertex vertex(Point<int16_t> p, Point<uint16_t> t) {
+        return Vertex {
+            {
+                p.x,
+                p.y
+            },
+            {
+                t.x,
+                t.y
+            }
+        };
+    }
+};
+
+using RasterVertex = RasterProgram::Vertex;
+
+} // namespace mbgl