1 files changed, 56 insertions, 0 deletions
diff --git a/src/shell-glsl-effect.h b/src/shell-glsl-effect.h
new file mode 100644
index 0000000..d943cef
--- /dev/null
+++ b/src/shell-glsl-effect.h
@@ -0,0 +1,56 @@
+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
+#ifndef __SHELL_GLSL_EFFECT_H__
+#define __SHELL_GLSL_EFFECT_H__
+
+#include "st.h"
+#include <gtk/gtk.h>
+
+/**
+ * ShellSnippetHook:
+ * Temporary hack to work around Cogl not exporting CoglSnippetHook in
+ * the 1.0 API. Don't use.
+ */
+typedef enum {
+  /* Per pipeline vertex hooks */
+  SHELL_SNIPPET_HOOK_VERTEX = 0,
+  SHELL_SNIPPET_HOOK_VERTEX_TRANSFORM,
+
+  /* Per pipeline fragment hooks */
+  SHELL_SNIPPET_HOOK_FRAGMENT = 2048,
+
+  /* Per layer vertex hooks */
+  SHELL_SNIPPET_HOOK_TEXTURE_COORD_TRANSFORM = 4096,
+
+  /* Per layer fragment hooks */
+  SHELL_SNIPPET_HOOK_LAYER_FRAGMENT = 6144,
+  SHELL_SNIPPET_HOOK_TEXTURE_LOOKUP
+} ShellSnippetHook;
+
+#define SHELL_TYPE_GLSL_EFFECT (shell_glsl_effect_get_type ())
+G_DECLARE_DERIVABLE_TYPE (ShellGLSLEffect, shell_glsl_effect,
+                          SHELL, GLSL_EFFECT, ClutterOffscreenEffect)
+
+struct _ShellGLSLEffectClass
+{
+  ClutterOffscreenEffectClass parent_class;
+
+  CoglPipeline *base_pipeline;
+
+  void (*build_pipeline) (ShellGLSLEffect *effect);
+};
+
+void shell_glsl_effect_add_glsl_snippet (ShellGLSLEffect  *effect,
+                                         ShellSnippetHook  hook,
+                                         const char       *declarations,
+                                         const char       *code,
+                                         gboolean          is_replace);
+
+int  shell_glsl_effect_get_uniform_location (ShellGLSLEffect *effect,
+                                             const char      *name);
+void shell_glsl_effect_set_uniform_float    (ShellGLSLEffect *effect,
+                                             int              uniform,
+                                             int              n_components,
+                                             int              total_count,
+                                             const float     *value);
+
+#endif /* __SHELL_GLSL_EFFECT_H__ */