Implementing glTF 1.0 parser

chrome/browser/android/vr_shell/vr_shell_renderer.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_ANDROID_VR_SHELL_VR_SHELL_RENDERER_H_
 #define CHROME_BROWSER_ANDROID_VR_SHELL_VR_SHELL_RENDERER_H_
 
 #include <memory>
 #include <queue>
 #include <vector>
@@ skipping 43 matching lines @@
   gvr::Mat4f view_proj_matrix;
   Rectf copy_rect;
   float opacity;
 };
 
 class BaseRenderer {
  public:
   virtual ~BaseRenderer();
 
  protected:
-  BaseRenderer(ShaderID vertex_id,
-               ShaderID fragment_id,
-               bool setup_vertex_buffer);
+  BaseRenderer(ShaderID vertex_id, ShaderID fragment_id);
 
   void PrepareToDraw(GLuint view_proj_matrix_handle,
                      const gvr::Mat4f& view_proj_matrix);
 
   GLuint program_handle_;
   GLuint position_handle_;
   GLuint tex_coord_handle_;
   GLuint vertex_buffer_;
 
   DISALLOW_COPY_AND_ASSIGN(BaseRenderer);
 };
 
-class TexturedQuadRenderer : public BaseRenderer {
+class BaseQuadRenderer : public BaseRenderer {
+ public:
+  BaseQuadRenderer(ShaderID vertex_id, ShaderID fragment_id);
+  ~BaseQuadRenderer() override;
+
+  DISALLOW_COPY_AND_ASSIGN(BaseQuadRenderer);
+};
+
+class TexturedQuadRenderer : public BaseQuadRenderer {
  public:
   TexturedQuadRenderer();
   ~TexturedQuadRenderer() override;
 
   // Draw the content rect in the texture quad.
   void AddQuad(int texture_data_handle,
                const gvr::Mat4f& view_proj_matrix,
                const Rectf& copy_rect,
                float opacity);
 
   void Flush();
 
  private:
   GLuint model_view_proj_matrix_handle_;
   GLuint copy_rect_uniform_handle_;
   GLuint tex_uniform_handle_;
   GLuint opacity_handle_;
 
   std::queue<TexturedQuad> quad_queue_;
 
   DISALLOW_COPY_AND_ASSIGN(TexturedQuadRenderer);
 };
 
 // Renders a page-generated stereo VR view.
-class WebVrRenderer : public BaseRenderer {
+class WebVrRenderer : public BaseQuadRenderer {
  public:
   WebVrRenderer();
   ~WebVrRenderer() override;
 
   void Draw(int texture_handle);
 
  private:
   GLuint tex_uniform_handle_;
 
   DISALLOW_COPY_AND_ASSIGN(WebVrRenderer);
 };
 
-class ReticleRenderer : public BaseRenderer {
+class ReticleRenderer : public BaseQuadRenderer {
  public:
   ReticleRenderer();
   ~ReticleRenderer() override;
 
   void Draw(const gvr::Mat4f& view_proj_matrix);
 
  private:
   GLuint model_view_proj_matrix_handle_;
   GLuint color_handle_;
   GLuint ring_diameter_handle_;
   GLuint inner_hole_handle_;
   GLuint inner_ring_end_handle_;
   GLuint inner_ring_thickness_handle_;
   GLuint mid_ring_end_handle_;
   GLuint mid_ring_opacity_handle_;
 
   DISALLOW_COPY_AND_ASSIGN(ReticleRenderer);
 };
 
-class LaserRenderer : public BaseRenderer {
+class LaserRenderer : public BaseQuadRenderer {
  public:
   LaserRenderer();
   ~LaserRenderer() override;
 
   void Draw(const gvr::Mat4f& view_proj_matrix);
 
  private:
   GLuint model_view_proj_matrix_handle_;
   GLuint texture_unit_handle_;
   GLuint texture_data_handle_;
   GLuint color_handle_;
   GLuint fade_point_handle_;
   GLuint fade_end_handle_;
 
   DISALLOW_COPY_AND_ASSIGN(LaserRenderer);
 };
 
-class GradientQuadRenderer : public BaseRenderer {
+class GradientQuadRenderer : public BaseQuadRenderer {
  public:
   GradientQuadRenderer();
   ~GradientQuadRenderer() override;
 
   void Draw(const gvr::Mat4f& view_proj_matrix,
             const Colorf& edge_color,
             const Colorf& center_color,
             float opacity);
 
  private:
@@ skipping 60 matching lines @@
   std::unique_ptr<LaserRenderer> laser_renderer_;
   std::unique_ptr<GradientQuadRenderer> gradient_quad_renderer_;
   std::unique_ptr<GradientGridRenderer> gradient_grid_renderer_;
 
   DISALLOW_COPY_AND_ASSIGN(VrShellRenderer);
 };
 
 }  // namespace vr_shell
 
 #endif  // CHROME_BROWSER_ANDROID_VR_SHELL_VR_SHELL_RENDERER_H_