| /************************************************************************** |
| * |
| * 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_renderbuffer(struct gl_renderbuffer |
| *rb); |
| |
| extern void |
| intel_renderbuffer_set_region(struct intel_renderbuffer *irb, |
| struct intel_region *region); |
| |
| extern struct intel_renderbuffer * |
| intel_create_renderbuffer(GLenum intFormat); |
| |
| 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, |
| int 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 */ |