Move opengl related function prototype to opengl.h

And aggregate some of the OPENGL ifdefs

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>

src/common.h

@@ -486,6 +486,8 @@ typedef struct {
 }
 
 #endif
+#else
+typedef uint32_t glx_prog_main_t;
 #endif
 
 typedef struct {
@@ -553,10 +555,8 @@ typedef struct _options_t {
   bool glx_use_gpushader4;
   /// Custom fragment shader for painting windows, as a string.
   char *glx_fshader_win_str;
-#ifdef CONFIG_OPENGL
   /// Custom GLX program used for painting window.
   glx_prog_main_t glx_prog_win;
-#endif
   /// Whether to fork to background.
   bool fork_after_register;
   /// Whether to detect rounded corners.
@@ -2121,97 +2121,6 @@ void
 xr_glx_sync(session_t *ps, Drawable d, XSyncFence *pfence);
 #endif
 
-bool
-glx_init(session_t *ps, bool need_render);
-
-void
-glx_destroy(session_t *ps);
-
-bool
-glx_reinit(session_t *ps, bool need_render);
-
-void
-glx_on_root_change(session_t *ps);
-
-bool
-glx_init_blur(session_t *ps);
-
-#ifdef CONFIG_OPENGL
-bool
-glx_load_prog_main(session_t *ps,
-    const char *vshader_str, const char *fshader_str,
-    glx_prog_main_t *pprogram);
-#endif
-
-bool
-glx_bind_pixmap(session_t *ps, glx_texture_t **pptex, Pixmap pixmap,
-    unsigned width, unsigned height, unsigned depth);
-
-void
-glx_release_pixmap(session_t *ps, glx_texture_t *ptex);
-
-void
-glx_paint_pre(session_t *ps, XserverRegion *preg);
-
-/**
- * Check if a texture is binded, or is binded to the given pixmap.
- */
-static inline bool
-glx_tex_binded(const glx_texture_t *ptex, Pixmap pixmap) {
-  return ptex && ptex->glpixmap && ptex->texture
-    && (!pixmap || pixmap == ptex->pixmap);
-}
-
-void
-glx_set_clip(session_t *ps, XserverRegion reg, const reg_data_t *pcache_reg);
-
-#ifdef CONFIG_OPENGL
-bool
-glx_blur_dst(session_t *ps, int dx, int dy, int width, int height, float z,
-    GLfloat factor_center,
-    XserverRegion reg_tgt, const reg_data_t *pcache_reg,
-    glx_blur_cache_t *pbc);
-#endif
-
-bool
-glx_dim_dst(session_t *ps, int dx, int dy, int width, int height, float z,
-    GLfloat factor, XserverRegion reg_tgt, const reg_data_t *pcache_reg);
-
-bool
-glx_render_(session_t *ps, const glx_texture_t *ptex,
-    int x, int y, int dx, int dy, int width, int height, int z,
-    double opacity, bool argb, bool neg,
-    XserverRegion reg_tgt, const reg_data_t *pcache_reg
-#ifdef CONFIG_OPENGL
-    , const glx_prog_main_t *pprogram
-#endif
-    );
-
-#ifdef CONFIG_OPENGL
-#define \
-   glx_render(ps, ptex, x, y, dx, dy, width, height, z, opacity, argb, neg, reg_tgt, pcache_reg, pprogram) \
-  glx_render_(ps, ptex, x, y, dx, dy, width, height, z, opacity, argb, neg, reg_tgt, pcache_reg, pprogram)
-#else
-#define \
-   glx_render(ps, ptex, x, y, dx, dy, width, height, z, opacity, argb, neg, reg_tgt, pcache_reg, pprogram) \
-  glx_render_(ps, ptex, x, y, dx, dy, width, height, z, opacity, argb, neg, reg_tgt, pcache_reg)
-#endif
-
-unsigned char *
-glx_take_screenshot(session_t *ps, int *out_length);
-
-#ifdef CONFIG_OPENGL
-GLuint
-glx_create_shader(GLenum shader_type, const char *shader_str);
-
-GLuint
-glx_create_program(const GLuint * const shaders, int nshaders);
-
-GLuint
-glx_create_program_from_str(const char *vert_shader_str,
-    const char *frag_shader_str);
-#endif
-
 /**
  * Free a GLX texture.
  */
@@ -2261,49 +2170,6 @@ free_glx_bc(session_t *ps, glx_blur_cache_t *pbc) {
 #endif
 #endif
 
-/**
- * Free a glx_texture_t.
- */
-static inline void
-free_texture(session_t *ps, glx_texture_t **pptex) {
-  glx_texture_t *ptex = *pptex;
-
-  // Quit if there's nothing
-  if (!ptex)
-    return;
-
-#ifdef CONFIG_OPENGL
-  glx_release_pixmap(ps, ptex);
-
-  free_texture_r(ps, &ptex->texture);
-
-  // Free structure itself
-  free(ptex);
-  *pptex = NULL;
-#endif
-  assert(!*pptex);
-}
-
-/**
- * Free GLX part of paint_t.
- */
-static inline void
-free_paint_glx(session_t *ps, paint_t *ppaint) {
-  free_texture(ps, &ppaint->ptex);
-}
-
-/**
- * Free GLX part of win.
- */
-static inline void
-free_win_res_glx(session_t *ps, win *w) {
-  free_paint_glx(ps, &w->paint);
-  free_paint_glx(ps, &w->shadow_paint);
-#ifdef CONFIG_OPENGL
-  free_glx_bc(ps, &w->glx_blur_cache);
-#endif
-}
-
 /**
  * Add a OpenGL debugging marker.
  */