| /************************************************************************** |
| * |
| * 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 |
| |
| #include "main/formats.h" |
| #include "intel_screen.h" |
| |
| struct intel_context; |
| |
| /** |
| * Intel framebuffer, derived from gl_framebuffer. |
| */ |
| struct intel_framebuffer |
| { |
| struct gl_framebuffer Base; |
| |
| struct intel_renderbuffer *color_rb[2]; |
| |
| /* 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. |
| */ |
| struct intel_renderbuffer |
| { |
| struct gl_renderbuffer Base; |
| struct intel_region *region; |
| |
| gl_format texformat; |
| |
| GLuint vbl_pending; /**< vblank sequence number of pending flip */ |
| |
| uint8_t *span_cache; |
| unsigned long span_cache_offset; |
| }; |
| |
| |
| /** |
| * gl_renderbuffer is a base class which we subclass. The Class field |
| * is used for simple run-time type checking. |
| */ |
| #define INTEL_RB_CLASS 0x12345678 |
| |
| |
| /** |
| * Return a gl_renderbuffer ptr casted to intel_renderbuffer. |
| * NULL will be returned if the rb isn't really an intel_renderbuffer. |
| * This is determined by checking the ClassID. |
| */ |
| static INLINE struct intel_renderbuffer * |
| intel_renderbuffer(struct gl_renderbuffer *rb) |
| { |
| struct intel_renderbuffer *irb = (struct intel_renderbuffer *) rb; |
| if (irb && irb->Base.ClassID == INTEL_RB_CLASS) { |
| /*_mesa_warning(NULL, "Returning non-intel Rb\n");*/ |
| return irb; |
| } |
| else |
| return NULL; |
| } |
| |
| |
| /** |
| * Return a framebuffer's renderbuffer, named by a BUFFER_x index. |
| */ |
| static INLINE struct intel_renderbuffer * |
| intel_get_renderbuffer(struct gl_framebuffer *fb, int attIndex) |
| { |
| if (attIndex >= 0) |
| return intel_renderbuffer(fb->Attachment[attIndex].Renderbuffer); |
| else |
| return NULL; |
| } |
| |
| |
| extern void |
| intel_renderbuffer_set_region(struct intel_renderbuffer *irb, |
| struct intel_region *region); |
| |
| |
| extern struct intel_renderbuffer * |
| intel_create_renderbuffer(gl_format format); |
| |
| |
| extern void |
| intel_fbo_init(struct intel_context *intel); |
| |
| |
| extern void |
| intel_flip_renderbuffers(struct intel_framebuffer *intel_fb); |
| |
| |
| static INLINE struct intel_region * |
| intel_get_rb_region(struct gl_framebuffer *fb, GLuint attIndex) |
| { |
| struct intel_renderbuffer *irb = intel_get_renderbuffer(fb, attIndex); |
| if (irb) |
| return irb->region; |
| else |
| return NULL; |
| } |
| |
| |
| #endif /* INTEL_FBO_H */ |