d16df5a5aa
If we want to show quad-buffer stereo with Cogl, we need to pick an appropriate fbconfig for creating the CoglOnscreen objects. Add cogl_onscreen_template_set_stereo_enabled() to indicate whether stereo support is needed. Add cogl_framebuffer_get_stereo_mode() to see if a framebuffer was created with stereo support. Add cogl_framebuffer_get_stereo_mode() to pick whether to draw to the left, right, or both buffers. Reviewed-by: Robert Bragg <robert.bragg@intel.com>
105 lines
3.3 KiB
C
105 lines
3.3 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) 2011 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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* Authors:
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* Robert Bragg <robert@linux.intel.com>
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "cogl-object.h"
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#include "cogl-framebuffer-private.h"
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#include "cogl-onscreen-template-private.h"
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#include "cogl-gtype-private.h"
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#include <stdlib.h>
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static void _cogl_onscreen_template_free (CoglOnscreenTemplate *onscreen_template);
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COGL_OBJECT_DEFINE (OnscreenTemplate, onscreen_template);
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COGL_GTYPE_DEFINE_CLASS (OnscreenTemplate, onscreen_template);
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static void
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_cogl_onscreen_template_free (CoglOnscreenTemplate *onscreen_template)
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{
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g_slice_free (CoglOnscreenTemplate, onscreen_template);
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}
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CoglOnscreenTemplate *
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cogl_onscreen_template_new (CoglSwapChain *swap_chain)
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{
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CoglOnscreenTemplate *onscreen_template = g_slice_new0 (CoglOnscreenTemplate);
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char *user_config;
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onscreen_template->config.swap_chain = swap_chain;
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if (swap_chain)
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cogl_object_ref (swap_chain);
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else
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onscreen_template->config.swap_chain = cogl_swap_chain_new ();
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onscreen_template->config.swap_throttled = TRUE;
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onscreen_template->config.need_stencil = TRUE;
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onscreen_template->config.samples_per_pixel = 0;
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user_config = getenv ("COGL_POINT_SAMPLES_PER_PIXEL");
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if (user_config)
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{
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unsigned long samples_per_pixel = strtoul (user_config, NULL, 10);
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if (samples_per_pixel != ULONG_MAX)
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onscreen_template->config.samples_per_pixel =
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samples_per_pixel;
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}
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return _cogl_onscreen_template_object_new (onscreen_template);
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}
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void
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cogl_onscreen_template_set_samples_per_pixel (
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CoglOnscreenTemplate *onscreen_template,
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int samples_per_pixel)
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{
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onscreen_template->config.samples_per_pixel = samples_per_pixel;
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}
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void
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cogl_onscreen_template_set_swap_throttled (
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CoglOnscreenTemplate *onscreen_template,
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CoglBool throttled)
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{
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onscreen_template->config.swap_throttled = throttled;
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}
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void
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cogl_onscreen_template_set_stereo_enabled (
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CoglOnscreenTemplate *onscreen_template,
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CoglBool enabled)
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{
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onscreen_template->config.stereo_enabled = enabled;
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}
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