diff options
Diffstat (limited to 'src/mesa/drivers/dri/intel/intel_fbo.h')
-rw-r--r-- | src/mesa/drivers/dri/intel/intel_fbo.h | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_fbo.h b/src/mesa/drivers/dri/intel/intel_fbo.h new file mode 100644 index 0000000..f9a11d0 --- /dev/null +++ b/src/mesa/drivers/dri/intel/intel_fbo.h @@ -0,0 +1,113 @@ +/************************************************************************** + * + * Copyright 2006 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * 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, sub license, 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 (including the + * next paragraph) 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 NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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. + * + **************************************************************************/ + +#ifndef INTEL_FBO_H +#define INTEL_FBO_H + + +struct intel_context; +struct intel_region; + +/** + * Intel framebuffer, derived from gl_framebuffer. + */ +struct intel_framebuffer +{ + struct gl_framebuffer Base; + + struct intel_renderbuffer *color_rb[3]; + + /* Drawable page flipping state */ + GLboolean pf_active; + GLuint pf_seq; + GLint pf_planes; + GLint pf_current_page; + GLint pf_num_pages; + + /* VBI + */ + GLuint vbl_waited; + + int64_t swap_ust; + int64_t swap_missed_ust; + + GLuint swap_count; + GLuint swap_missed_count; +}; + + +/** + * Intel renderbuffer, derived from gl_renderbuffer. + * Note: The PairedDepth and PairedStencil fields use renderbuffer IDs, + * not pointers because in some circumstances a deleted renderbuffer could + * result in a dangling pointer here. + */ +struct intel_renderbuffer +{ + struct gl_renderbuffer Base; + struct intel_region *region; + void *pfMap; /* possibly paged flipped map pointer */ + GLuint pfPitch; /* possibly paged flipped pitch */ + GLboolean RenderToTexture; /* RTT? */ + + GLuint PairedDepth; /**< only used if this is a depth renderbuffer */ + GLuint PairedStencil; /**< only used if this is a stencil renderbuffer */ + + GLuint pf_pending; /**< sequence number of pending flip */ + + GLuint vbl_pending; /**< vblank sequence number of pending flip */ +}; + + +extern struct intel_renderbuffer *intel_create_renderbuffer(GLenum intFormat, + GLsizei width, + GLsizei height, + int offset, + int pitch, + int cpp, + void *map); + + +extern void intel_fbo_init(struct intel_context *intel); + + +/* XXX make inline or macro */ +extern struct intel_renderbuffer *intel_get_renderbuffer(struct gl_framebuffer + *fb, + GLuint attIndex); + +extern void intel_flip_renderbuffers(struct intel_framebuffer *intel_fb); + + +/* XXX make inline or macro */ +extern struct intel_region *intel_get_rb_region(struct gl_framebuffer *fb, + GLuint attIndex); + + + + +#endif /* INTEL_FBO_H */ |