hostsupport/hostopengles20/src/GLES2/texture.h
branchbug235_bringup_0
changeset 53 c2ef9095503a
parent 20 d2d6724aef32
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hostsupport/hostopengles20/src/GLES2/texture.h	Wed Oct 06 17:59:01 2010 +0100
@@ -0,0 +1,70 @@
+/* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Initial Contributors:
+ * Nokia Corporation - initial contribution.
+ *
+ * Contributors:
+ *
+ * Description:
+ *
+ */
+
+#ifndef TEXTURE_H_
+#define TEXTURE_H_
+
+typedef enum DGLTextureType
+{
+	DGLES2_TEXTURE_2D,
+	DGLES2_TEXTURE_CUBE_MAP
+} DGLTextureType;
+
+typedef struct DGLTextureLevel
+{
+	GLboolean specified;
+	GLenum format;
+	GLsizei width;
+	GLsizei height;
+	void* bound_surface; // The EGLSurface bound to this image with eglBindTexImage.
+} DGLTextureLevel;
+
+typedef struct DGLTexture
+{
+	struct DGLObject obj;
+
+	DGLTextureType type;
+
+	// One for each face in case of a cube map texture.
+	int num_levels[6];
+	DGLTextureLevel* levels[6];
+	GLeglImageOES egl_image[6]; // EGLimage this texture is a sibling of.
+} DGLTexture;
+
+DGLTexture*			DGLTexture_create(GLuint name, DGLTextureType type, GLint num_levels);
+void				DGLTexture_destroy(DGLTexture* texture);
+GLboolean			DGLTexture_isComplete(const DGLTexture* texture);
+GLboolean			DGLTexture_hasLevelZero(const DGLTexture* texture);
+GLboolean			DGLTexture_hasLevelsOtherThanZero(const DGLTexture* texture);
+DGLTextureLevel*	DGLTexture_getLevel(DGLTexture* texture, GLenum target, GLint level);
+void				DGLTexture_setLevel(DGLTexture* texture, GLenum target, GLint level, GLenum format, GLsizei width, GLsizei height);
+GLeglImageOES		DGLTexture_getEGLImage(DGLTexture* texture, GLenum target);
+void				DGLTexture_setEGLImage(DGLTexture* texture, GLenum target, GLeglImageOES image);
+void				DGLTexture_generateMipmap(DGLTexture* texture);
+
+#endif // TEXTURE_H_