1 #ifndef __DALI_INTERNAL_GL_EXTENSION_H__
2 #define __DALI_INTERNAL_GL_EXTENSION_H__
5 * Copyright (c) 2014 Samsung Electronics Co., Ltd.
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
23 #if DALI_GLES_VERSION >= 30
24 #include <GLES3/gl3.h>
26 #include <GLES2/gl2.h>
27 #include <GLES2/gl2ext.h>
44 * GlExtensions class provides GL extensions support
63 #if DALI_GLES_VERSION < 30
66 * If the GL extension is available this function discards specified data in attachments
67 * from being copied from the target to improve performance.
69 * Usage: GLenum attachments[] = { GL_DEPTH_ATTACHMENT, GL_STENCIL_ATTACHMENT };
70 * DiscardFrameBufferEXT(GL_FRAMEBUFFER, 2, attachments);
72 * @param target is usually GL_FRAMEBUFFER
73 * @param numAttachments is the count of attachments
74 * @param attachments is a pointer to the attachments
76 void DiscardFrameBuffer (GLenum target, GLsizei numAttachments, const GLenum *attachments);
80 * Returns the program object's executable bytecode.
81 * @param[in] program The program object's name/id
82 * @param[in] bufSize The maximum number of bytes that may be written into binary
83 * @param[out] length The actual number of bytes written into binary
84 * @param[out] binaryFormat The format of the program binary
85 * @param[out] binary The actual program bytecode
87 void GetProgramBinaryOES (GLuint program, GLsizei bufSize, GLsizei *length, GLenum *binaryFormat, GLvoid *binary);
91 * Loads a program object with a program binary previously returned from GetProgramBinaryOES
92 * @param[in] program The program object's name/id
93 * @param[in] binaryFormat The format of the program binary
94 * @param[in] binary The program bytecode
95 * @param[in] length The number of bytes in binary
97 void ProgramBinaryOES (GLuint program, GLenum binaryFormat, const GLvoid *binary, GLint length);
99 #endif // DALI_GLES_VERSION < 30
104 * Lazy Initialize extensions on first use
108 #if DALI_GLES_VERSION < 30
110 #ifdef GL_EXT_discard_framebuffer
111 PFNGLDISCARDFRAMEBUFFEREXTPROC mGlDiscardFramebuffer;
114 #ifdef GL_OES_get_program_binary
115 PFNGLGETPROGRAMBINARYOESPROC mGlGetProgramBinaryOES;
116 PFNGLPROGRAMBINARYOESPROC mGlProgramBinaryOES;
119 #endif // DALI_GLES_VERSION < 30
125 } // namespace ECoreX
127 } // namespace Adaptor
129 } // namespace Internal
133 #endif /* __DALI_INTERNAL_GL_EXTENSION_H__ */