1 files changed, 79 insertions, 0 deletions
diff --git a/modules/gles/gl_program.h b/modules/gles/gl_program.h
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+/*
+ * gl_program.h - GL Program
+ *
+ *  Copyright (c) 2018 Intel Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * Author: Wind Yuan <feng.yuan@intel.com>
+ */
+
+#ifndef XCAM_GL_PROGRAM_H
+#define XCAM_GL_PROGRAM_H
+
+#include <gles/gles_std.h>
+#include <gles/gl_shader.h>
+#include <map>
+
+namespace XCam {
+
+class GLProgram
+{
+public:
+    typedef std::map<GLuint, SmartPtr<GLShader>> ShaderList;
+    enum State {
+        StateIntiated  = 0,
+        StateLinked    = 2,
+        StateInUse     = 3,
+    };
+
+    virtual ~GLProgram ();
+    static SmartPtr<GLProgram> create_program (const char *name = NULL);
+    GLuint get_program_id () const {
+        return _program_id;
+    }
+    const char *get_name () {
+        return _name;
+    }
+
+    XCamReturn link_shader (const GLShaderInfo &info);
+    XCamReturn link_shaders (const GLShaderInfoList &infos);
+
+    XCamReturn use ();
+    XCamReturn disuse ();
+
+    virtual XCamReturn work ();
+    virtual XCamReturn finish ();
+
+protected:
+    explicit GLProgram (GLuint id, const char *name);
+
+private:
+    XCamReturn attach_shader (const SmartPtr<GLShader> &shader);
+    XCamReturn detach_shader (const SmartPtr<GLShader> &shader);
+    XCamReturn clear_shaders ();
+    XCamReturn link ();
+
+private:
+    XCAM_DEAD_COPY (GLProgram);
+
+private:
+    ShaderList    _shaders;
+    GLuint        _program_id;
+    State         _state;
+    char          _name [XCAM_GL_NAME_LENGTH];
+};
+
+}
+
+#endif  //XCAM_GL_PROGRAM_H