1 files changed, 72 insertions, 0 deletions
diff --git a/include/mbgl/shader/text_shader.hpp b/include/mbgl/shader/text_shader.hpp
new file mode 100644
index 0000000000..554b890fb0
--- /dev/null
+++ b/include/mbgl/shader/text_shader.hpp
@@ -0,0 +1,72 @@
+#ifndef MBGL_SHADER_TEXT_SHADER
+#define MBGL_SHADER_TEXT_SHADER
+
+#include "shader.hpp"
+
+namespace mbgl {
+
+class TextShader : public Shader {
+public:
+    TextShader();
+
+    void bind(char *offset);
+
+    void setColor(float r, float g, float b, float a);
+    void setColor(const std::array<float, 4> &color);
+    void setBuffer(float buffer);
+    void setGamma(float gamma);
+    void setExtrudeMatrix(const std::array<float, 16> &exmatrix);
+    void setAngle(float angle);
+    void setZoom(float zoom);
+    void setFlip(float flip);
+    void setFadeDist(float fadedist);
+    void setMinFadeZoom(float minfadezoom);
+    void setMaxFadeZoom(float maxfadezoom);
+    void setFadeZoom(float fadezoom);
+    void setTextureSize(const std::array<float, 2> &texsize);
+
+private:
+    int32_t a_pos = -1;
+    int32_t a_offset = -1;
+    int32_t a_data1 = -1;
+    int32_t a_data2 = -1;
+
+    std::array<float, 4> color = {{}};
+    int32_t u_color = -1;
+
+    float buffer = 0.0f;
+    int32_t u_buffer = -1;
+
+    float gamma = 0.0f;
+    int32_t u_gamma = -1;
+
+    std::array<float, 16> exmatrix = {{}};
+    int32_t u_exmatrix = -1;
+
+    float angle = 0.0f;
+    int32_t u_angle = -1;
+
+    float zoom = 0.0f;
+    int32_t u_zoom = -1;
+
+    float flip = 0.0f;
+    int32_t u_flip = -1;
+
+    float fadedist = 0.0f;
+    int32_t u_fadedist = -1;
+
+    float minfadezoom = 0.0f;
+    int32_t u_minfadezoom = -1;
+
+    float maxfadezoom = 0.0f;
+    int32_t u_maxfadezoom = -1;
+
+    float fadezoom = 0.0f;
+    int32_t u_fadezoom = -1;
+
+    std::array<float, 2> texsize = {{}};
+    int32_t u_texsize = -1;
+};
+}
+
+#endif