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Diffstat (limited to 'src/compositor-drm.h')
| -rw-r--r-- | src/compositor-drm.h | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/src/compositor-drm.h b/src/compositor-drm.h new file mode 100644 index 00000000..3f150dba --- /dev/null +++ b/src/compositor-drm.h @@ -0,0 +1,127 @@ +/* + * Copyright © 2008-2011 Kristian Høgsberg + * Copyright © 2011 Intel Corporation + * Copyright © 2015 Giulio Camuffo + * + * 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, sublicense, 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 + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * 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 WESTON_COMPOSITOR_DRM_H +#define WESTON_COMPOSITOR_DRM_H + +#include "compositor.h" + +#ifdef __cplusplus +extern "C" { +#endif + +#define WESTON_DRM_BACKEND_CONFIG_VERSION 1 + +enum weston_drm_backend_output_mode { + /** The output is disabled */ + WESTON_DRM_BACKEND_OUTPUT_OFF, + /** The output will use the current active mode */ + WESTON_DRM_BACKEND_OUTPUT_CURRENT, + /** The output will use the preferred mode. A modeline can be provided + * by setting weston_backend_output_config::modeline in the form of + * "WIDTHxHEIGHT" or in the form of an explicit modeline calculated + * using e.g. the cvt tool. If a valid modeline is supplied it will be + * used, if invalid or NULL the preferred available mode will be used. */ + WESTON_DRM_BACKEND_OUTPUT_PREFERRED, +}; + +struct weston_drm_backend_output_config { + struct weston_backend_output_config base; + + /** The pixel format to be used by the output. Valid values are: + * - NULL - The format set at backend creation time will be used; + * - "xrgb8888"; + * - "rgb565" + * - "xrgb2101010" + */ + char *gbm_format; + /** The seat to be used by the output. Set to NULL to use the + * default seat. */ + char *seat; + /** The modeline to be used by the output. Refer to the documentation + * of WESTON_DRM_BACKEND_OUTPUT_PREFERRED for details. */ + char *modeline; +}; + +/** The backend configuration struct. + * + * weston_drm_backend_config contains the configuration used by a DRM + * backend. + */ +struct weston_drm_backend_config { + struct weston_backend_config base; + + /** The connector id of the output to be initialized. + * + * A value of 0 will enable all available outputs. + */ + int connector; + + /** The tty to be used. Set to 0 to use the current tty. */ + int tty; + + /** Whether to use the pixman renderer instead of the OpenGL ES renderer. */ + bool use_pixman; + + /** The seat to be used for input and output. + * + * If NULL the default "seat0" will be used. The backend will + * take ownership of the seat_id pointer and will free it on + * backend destruction. + */ + char *seat_id; + + /** The pixel format of the framebuffer to be used. + * + * Valid values are: + * - NULL - The default format ("xrgb8888") will be used; + * - "xrgb8888"; + * - "rgb565" + * - "xrgb2101010" + * The backend will take ownership of the format pointer and will free + * it on backend destruction. + */ + char *gbm_format; + + /** Callback used to configure the outputs. + * + * This function will be called by the backend when a new DRM + * output needs to be configured. + */ + enum weston_drm_backend_output_mode + (*configure_output)(struct weston_compositor *compositor, + bool use_current_mode, + const char *name, + struct weston_drm_backend_output_config *output_config); + bool use_current_mode; +}; + +#ifdef __cplusplus +} +#endif + +#endif /* WESTON_COMPOSITOR_DRM_H */ |