1 /* 2 * GStreamer 3 * Copyright (C) 2014 Lubosz Sarnecki <lubosz@gmail.com> 4 * 5 * This library is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU Library General Public 7 * License as published by the Free Software Foundation; either 8 * version 2 of the License, or (at your option) any later version. 9 * 10 * This library is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * Library General Public License for more details. 14 * 15 * You should have received a copy of the GNU Library General Public 16 * License along with this library; if not, write to the 17 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 18 * Boston, MA 02110-1301, USA. 19 */ 20 21 #ifndef _GST_GL_TRANSFORMATION_H_ 22 #define _GST_GL_TRANSFORMATION_H_ 23 24 #include <gst/gl/gstglfilter.h> 25 #include <gst/gl/gstglfuncs.h> 26 #include <graphene.h> 27 28 G_BEGIN_DECLS 29 30 #define GST_TYPE_GL_TRANSFORMATION (gst_gl_transformation_get_type()) 31 #define GST_GL_TRANSFORMATION(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GL_TRANSFORMATION,GstGLTransformation)) 32 #define GST_IS_GL_TRANSFORMATION(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GL_TRANSFORMATION)) 33 #define GST_GL_TRANSFORMATION_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass) ,GST_TYPE_GL_TRANSFORMATION,GstGLTransformationClass)) 34 #define GST_IS_GL_TRANSFORMATION_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) ,GST_TYPE_GL_TRANSFORMATION)) 35 #define GST_GL_TRANSFORMATION_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj) ,GST_TYPE_GL_TRANSFORMATION,GstGLTransformationClass)) 36 37 typedef struct _GstGLTransformation GstGLTransformation; 38 typedef struct _GstGLTransformationClass GstGLTransformationClass; 39 40 struct _GstGLTransformation 41 { 42 GstGLFilter filter; 43 44 GstGLShader *shader; 45 GLuint vao; 46 GLuint vbo_indices; 47 GLuint vertex_buffer; 48 GLint attr_position; 49 GLint attr_texture; 50 51 GstGLMemory *in_tex; 52 GstGLMemory *out_tex; 53 54 gfloat xrotation; 55 gfloat yrotation; 56 gfloat zrotation; 57 58 gfloat xscale; 59 gfloat yscale; 60 61 gfloat xtranslation; 62 gfloat ytranslation; 63 gfloat ztranslation; 64 65 gfloat xpivot; 66 gfloat ypivot; 67 gfloat zpivot; 68 69 /* perspective */ 70 gfloat fov; 71 gfloat aspect; 72 gfloat znear; 73 gfloat zfar; 74 gboolean ortho; 75 76 graphene_matrix_t *model_matrix; 77 graphene_matrix_t *view_matrix; 78 graphene_matrix_t *projection_matrix; 79 graphene_matrix_t *inv_model_matrix; 80 graphene_matrix_t *inv_view_matrix; 81 graphene_matrix_t *inv_projection_matrix; 82 graphene_matrix_t *mvp_matrix; 83 84 graphene_vec3_t *camera_position; 85 86 gboolean downstream_supports_affine_meta; 87 gboolean caps_change; 88 }; 89 90 struct _GstGLTransformationClass 91 { 92 GstGLFilterClass filter_class; 93 }; 94 95 GType gst_gl_transformation_get_type (void); 96 97 G_END_DECLS 98 99 #endif /* _GST_GL_TRANSFORMATION_H_ */ 100