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5bf38301e1
These markers are visible in tools that record the GL function calls such as apitrace, et al. Makes it easier to match up GL draw commands with specific elements.
132 lines
4.5 KiB
C
132 lines
4.5 KiB
C
/*
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* GStreamer
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* Copyright (C) 2013 Matthew Waters <ystreet00@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __GST_GL_UTILS_H__
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#define __GST_GL_UTILS_H__
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#include <gst/video/video.h>
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#include <gst/gl/gstgl_fwd.h>
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G_BEGIN_DECLS
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/**
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* GstGLContextProjection:
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*
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* %GST_GL_DISPLAY_PROJECTION_ORTHO2D: Orthogonal projection
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* %GST_GL_DISPLAY_CONVERSION_MATRIX: Perspective projection
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*/
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typedef enum
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{
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GST_GL_DISPLAY_PROJECTION_ORTHO2D,
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GST_GL_DISPLAY_PROJECTION_PERSPECTIVE
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} GstGLDisplayProjection;
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/**
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* CDCB:
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* @texture: texture to draw
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* @width: new width
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* @height: new height:
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* @data: user data
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*
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* client draw callback
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*/
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typedef gboolean (*CDCB) (GLuint texture, GLuint width, GLuint height, gpointer data);
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/**
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* GLCB:
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* @width: the width
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* @height: the height
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* @texture: texture
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* @stuff: user data
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*
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* callback definition for operating on textures
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*/
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typedef void (*GLCB) (gint, gint, guint, gpointer stuff);
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/**
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* GLCB_V2:
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* @stuff: user data
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*
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* callback definition for operating through a Framebuffer object
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*/
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typedef void (*GLCB_V2) (gpointer stuff);
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/* deprecated. replaced by GstGLMemory */
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void gst_gl_context_gen_texture (GstGLContext * context, GLuint * pTexture,
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GstVideoFormat v_format, GLint width, GLint height);
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/* deprecated. replaced by GstGLMemory */
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void gst_gl_context_del_texture (GstGLContext * context, GLuint * pTexture);
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/* deprecated. replaced by GstGLMemory */
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void gst_gl_generate_texture_full (GstGLContext * context, const GstVideoInfo * info,
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const guint comp, gint stride[], gsize offset[], gsize size[], GLuint * pTexture);
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gboolean gst_gl_context_gen_fbo (GstGLContext * context, gint width, gint height,
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GLuint * fbo, GLuint * depthbuffer);
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gboolean gst_gl_context_use_fbo_v2 (GstGLContext * context, gint texture_fbo_width,
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gint texture_fbo_height, GLuint fbo, GLuint depth_buffer,
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GLuint texture_fbo, GLCB_V2 cb, gpointer stuff);
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void gst_gl_context_del_fbo (GstGLContext * context, GLuint fbo,
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GLuint depth_buffer);
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gboolean gst_gl_context_gen_shader (GstGLContext * context,
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const gchar * shader_vertex_source,
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const gchar * shader_fragment_source, GstGLShader ** shader);
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void gst_gl_context_del_shader (GstGLContext * context, GstGLShader * shader);
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gboolean gst_gl_context_check_framebuffer_status (GstGLContext * context);
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void gst_gl_context_set_error (GstGLContext * context, const char * format, ...);
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gchar *gst_gl_context_get_error (void);
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gboolean gst_gl_ensure_element_data (gpointer element,
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GstGLDisplay **display_ptr, GstGLContext ** other_context_ptr);
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gboolean gst_gl_handle_set_context (GstElement * element, GstContext * context,
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GstGLDisplay ** display, GstGLContext ** other_context);
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gboolean gst_gl_handle_context_query (GstElement * element, GstQuery * query,
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GstGLDisplay ** display, GstGLContext ** other_context);
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gboolean gst_gl_run_query (GstElement * element,
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GstQuery * query, GstPadDirection direction);
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gsize gst_gl_get_plane_data_size (GstVideoInfo * info, GstVideoAlignment * align,
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guint plane);
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GstCaps * gst_gl_caps_replace_all_caps_features (const GstCaps * caps,
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const gchar * feature_name);
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#ifndef GST_DISABLE_GST_DEBUG
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void gst_gl_insert_debug_marker (GstGLContext * context,
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const gchar * format, ...) G_GNUC_PRINTF (2, 3);
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#else /* GST_DISABLE_GST_DEBUG */
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#if G_HAVE_ISO_VARARGS
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#define gst_gl_insert_debug_marker(...) G_STMT_START{ }G_STMT_END
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#else /* G_HAVE_ISO_VARARGS */
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#if G_HAVE_GNUC_VARARGS
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#define gst_gl_insert_debug_marker(args...) G_STMT_START{ }G_STMT_END
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#else /* G_HAVE_GNUC_VARARGS */
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static inline void
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gst_gl_insert_debug_marker (GstGLContext * context, const gchar * format, ...)
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{
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}
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#endif /* G_HAVE_GNUC_VARARGS */
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#endif /* G_HAVE_ISO_VARARGS */
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#endif /* GST_DISABLE_GST_DEBUG */
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G_END_DECLS
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#endif /* __GST_GL_UTILS_H__ */
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