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bd3dce4af1
Add API to allow complex applications using the KMS backend to go almost straight to direct configuration (which is not possible because Cogl needs to be in charge of buffers and FB objects). https://bugzilla.gnome.org/show_bug.cgi?id=705837 Reviewed-by: Robert Bragg <robert@linux.intel.com> (cherry picked from commit 52fb8e1c33d8c83c731c05cee767928fdd5991d7)
98 lines
3.0 KiB
C
98 lines
3.0 KiB
C
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/*
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* Cogl
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*
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* An object oriented GL/GLES Abstraction/Utility Layer
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*
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* Copyright (C) 2012 Intel Corporation.
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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 Lesser 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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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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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} 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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COGL_END_DECLS
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#endif /* __COGL_KMS_DISPLAY_H__ */
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