| /* |
| * Mesa 3-D graphics library |
| * Version: 7.8 |
| * |
| * Copyright (C) 2009-2010 Chia-I Wu <olv@0xlab.org> |
| * |
| * 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 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 |
| * BRIAN PAUL 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 _NATIVE_H_ |
| #define _NATIVE_H_ |
| |
| #include "EGL/egl.h" /* for EGL native types */ |
| #include "GL/gl.h" /* for GL types needed by __GLcontextModes */ |
| #include "GL/internal/glcore.h" /* for __GLcontextModes */ |
| |
| #include "pipe/p_compiler.h" |
| #include "pipe/p_screen.h" |
| #include "pipe/p_context.h" |
| #include "pipe/p_state.h" |
| |
| /** |
| * Only color buffers are listed. The others are allocated privately through, |
| * for example, st_renderbuffer_alloc_storage(). |
| */ |
| enum native_attachment { |
| NATIVE_ATTACHMENT_FRONT_LEFT, |
| NATIVE_ATTACHMENT_BACK_LEFT, |
| NATIVE_ATTACHMENT_FRONT_RIGHT, |
| NATIVE_ATTACHMENT_BACK_RIGHT, |
| |
| NUM_NATIVE_ATTACHMENTS |
| }; |
| |
| struct native_surface { |
| void (*destroy)(struct native_surface *nsurf); |
| |
| /** |
| * Swap the front and back buffers so that the back buffer is visible. It |
| * is no-op if the surface is single-buffered. The contents of the back |
| * buffer after swapping may or may not be preserved. |
| */ |
| boolean (*swap_buffers)(struct native_surface *nsurf); |
| |
| /** |
| * Make the front buffer visible. In some native displays, changes to the |
| * front buffer might not be visible immediately and require manual flush. |
| */ |
| boolean (*flush_frontbuffer)(struct native_surface *nsurf); |
| |
| /** |
| * Validate the buffers of the surface. Those not listed in the attachments |
| * will be destroyed. The returned textures are owned by the caller. |
| */ |
| boolean (*validate)(struct native_surface *nsurf, |
| const enum native_attachment *natts, |
| unsigned num_natts, |
| struct pipe_texture **textures, |
| int *width, int *height); |
| |
| /** |
| * Wait until all native commands affecting the surface has been executed. |
| */ |
| void (*wait)(struct native_surface *nsurf); |
| }; |
| |
| struct native_config { |
| __GLcontextModes mode; |
| enum pipe_format color_format; |
| enum pipe_format depth_format; |
| enum pipe_format stencil_format; |
| |
| /* treat it as an additional flag to mode.drawableType */ |
| boolean scanout_bit; |
| }; |
| |
| struct native_connector { |
| int dummy; |
| }; |
| |
| struct native_mode { |
| const char *desc; |
| int width, height; |
| int refresh_rate; |
| }; |
| |
| struct native_display_modeset; |
| |
| /** |
| * A pipe winsys abstracts the OS. A pipe screen abstracts the graphcis |
| * hardware. A native display consists of a pipe winsys, a pipe screen, and |
| * the native display server. |
| */ |
| struct native_display { |
| struct pipe_screen *screen; |
| void (*destroy)(struct native_display *ndpy); |
| |
| /** |
| * Get the supported configs. The configs are owned by the display, but |
| * the returned array should be free()ed. |
| * |
| * The configs will be converted to EGL config by |
| * _eglConfigFromContextModesRec and validated by _eglValidateConfig. |
| * Those failing to pass the test will be skipped. |
| */ |
| const struct native_config **(*get_configs)(struct native_display *ndpy, |
| int *num_configs); |
| |
| /** |
| * Create a pipe context. |
| */ |
| struct pipe_context *(*create_context)(struct native_display *ndpy, |
| void *context_private); |
| |
| /** |
| * Create a window surface. Required unless no config has GLX_WINDOW_BIT |
| * set. |
| */ |
| struct native_surface *(*create_window_surface)(struct native_display *ndpy, |
| EGLNativeWindowType win, |
| const struct native_config *nconf); |
| |
| /** |
| * Create a pixmap surface. Required unless no config has GLX_PIXMAP_BIT |
| * set. |
| */ |
| struct native_surface *(*create_pixmap_surface)(struct native_display *ndpy, |
| EGLNativePixmapType pix, |
| const struct native_config *nconf); |
| |
| /** |
| * Create a pbuffer surface. Required unless no config has GLX_PBUFFER_BIT |
| * set. |
| */ |
| struct native_surface *(*create_pbuffer_surface)(struct native_display *ndpy, |
| const struct native_config *nconf, |
| uint width, uint height); |
| |
| const struct native_display_modeset *modeset; |
| }; |
| |
| /** |
| * Mode setting interface of the native display. It exposes the mode setting |
| * capabilities of the underlying graphics hardware. |
| */ |
| struct native_display_modeset { |
| /** |
| * Get the available physical connectors and the number of CRTCs. |
| */ |
| const struct native_connector **(*get_connectors)(struct native_display *ndpy, |
| int *num_connectors, |
| int *num_crtcs); |
| |
| /** |
| * Get the current supported modes of a connector. The returned modes may |
| * change every time this function is called and those from previous calls |
| * might become invalid. |
| */ |
| const struct native_mode **(*get_modes)(struct native_display *ndpy, |
| const struct native_connector *nconn, |
| int *num_modes); |
| |
| /** |
| * Create a scan-out surface. Required unless no config has |
| * GLX_SCREEN_BIT_MESA set. |
| */ |
| struct native_surface *(*create_scanout_surface)(struct native_display *ndpy, |
| const struct native_config *nconf, |
| uint width, uint height); |
| |
| /** |
| * Program the CRTC to output the surface to the given connectors with the |
| * given mode. When surface is not given, the CRTC is disabled. |
| * |
| * This interface does not export a way to query capabilities of the CRTCs. |
| * The native display usually needs to dynamically map the index to a CRTC |
| * that supports the given connectors. |
| */ |
| boolean (*program)(struct native_display *ndpy, int crtc_idx, |
| struct native_surface *nsurf, uint x, uint y, |
| const struct native_connector **nconns, int num_nconns, |
| const struct native_mode *nmode); |
| }; |
| |
| typedef void (*native_flush_frontbuffer)(void *dummy, |
| struct pipe_surface *surf, |
| void *context_private); |
| |
| const char * |
| native_get_name(void); |
| |
| struct native_display * |
| native_create_display(EGLNativeDisplayType dpy, |
| native_flush_frontbuffer flush_frontbuffer); |
| |
| #endif /* _NATIVE_H_ */ |