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120 lines
3.7 KiB
C
120 lines
3.7 KiB
C
/*
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* Cogl
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*
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* A Low Level GPU Graphics and Utilities API
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*
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* Copyright (C) 2012 Intel Corporation.
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy,
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* modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION)
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#error "Only <cogl/cogl.h> can be included directly."
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#endif
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#ifndef __COGL_KMS_DISPLAY_H__
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#define __COGL_KMS_DISPLAY_H__
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#include <cogl/cogl-types.h>
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#include <cogl/cogl-display.h>
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#include <xf86drmMode.h>
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COGL_BEGIN_DECLS
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/**
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* cogl_kms_display_queue_modes_reset:
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* @display: A #CoglDisplay
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*
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* Asks Cogl to explicitly reset the crtc output modes at the next
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* #CoglOnscreen swap_buffers request. For applications that support
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* VT switching they may want to re-assert the output modes when
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* switching back to the applications VT since the modes are often not
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* correctly restored automatically.
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*
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* <note>The @display must have been either explicitly setup via
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* cogl_display_setup() or implicitily setup by having created a
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* context using the @display</note>
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*
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* Since: 2.0
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* Stability: unstable
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*/
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void
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cogl_kms_display_queue_modes_reset (CoglDisplay *display);
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typedef struct {
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uint32_t id;
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uint32_t x, y;
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drmModeModeInfo mode;
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uint32_t *connectors;
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uint32_t count;
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CoglBool ignore;
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} CoglKmsCrtc;
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/**
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* cogl_kms_display_set_layout:
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* @onscreen: a #CoglDisplay
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* @width: the framebuffer width
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* @height: the framebuffer height
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* @crtcs: the array of #CoglKmsCrtc structure with the desired CRTC layout
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*
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* Configures @display to use a framebuffer sized @width x @height, covering
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* the CRTCS in @crtcs.
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* @width and @height must be within the driver framebuffer limits, and @crtcs
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* must be valid KMS API IDs.
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*
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* Calling this function overrides the automatic mode setting done by Cogl,
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* and for this reason must be called before the first call to cogl_onscreen_swap_buffers().
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*
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* If you want to restore the default behaviour, you can call this function
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* with @width and @height set to -1.
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*
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* Stability: unstable
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*/
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CoglBool
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cogl_kms_display_set_layout (CoglDisplay *display,
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int width,
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int height,
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CoglKmsCrtc **crtcs,
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int n_crtcs,
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CoglError **error);
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/**
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* cogl_kms_display_set_ignore_crtc:
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* @onscreen: a #CoglDisplay
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* @id: KMS output id
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* @ignore: Ignore ouput or not
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*
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* Tells cogl to ignore (or stop ignoring) a ctrc which means
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* it never flips buffers at this crtc.
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*
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* Stability: unstable
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*/
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void
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cogl_kms_display_set_ignore_crtc (CoglDisplay *display,
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uint32_t id,
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CoglBool ignore);
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COGL_END_DECLS
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#endif /* __COGL_KMS_DISPLAY_H__ */
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