mirror of
https://gitee.com/openharmony/third_party_mesa3d
synced 2024-11-28 10:00:46 +00:00
egl: Add driver for EGL on X with DRI2
This commit is contained in:
Kristian Høgsberg
parent
7b6fa78d86
commit
42fa009e64
10
configure.ac
10
configure.ac
@ -915,6 +915,10 @@ if test "x$enable_egl" = xyes; then
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# build egl_glx when libGL is built
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EGL_DRIVERS_DIRS="glx"
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fi
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if test "$mesa_driver" == dri; then
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# build egl_dri2 when dri is enabled
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EGL_DRIVERS_DIRS="$EGL_DRIVERS_DIRS dri2"
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fi
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fi
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AC_SUBST([EGL_LIB_DEPS])
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AC_SUBST([EGL_DRIVERS_DIRS])
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@ -1395,7 +1399,11 @@ dnl Libraries
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echo ""
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echo " Shared libs: $enable_shared"
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echo " Static libs: $enable_static"
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echo " EGL: $enable_egl"
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if test "$enable_egl" = yes; then
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echo " EGL: $EGL_DRIVERS_DIRS"
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else
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echo " EGL: no"
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fi
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echo " GLU: $enable_glu"
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echo " GLw: $enable_glw (Motif: $enable_motif)"
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echo " glut: $enable_glut"
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19
src/egl/drivers/dri2/Makefile
Normal file
19
src/egl/drivers/dri2/Makefile
Normal file
@ -0,0 +1,19 @@
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# src/egl/drivers/dri2/Makefile
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TOP = ../../../..
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include $(TOP)/configs/current
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EGL_DRIVER = egl_dri2.so
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EGL_SOURCES = egl_dri2.c
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EGL_INCLUDES = \
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-I$(TOP)/include \
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-I$(TOP)/src/egl/main \
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-I$(TOP)/src/mesa \
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-DDEFAULT_DRIVER_DIR=\"$(DRI_DRIVER_SEARCH_DIR)\" \
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$(shell pkg-config --cflags xcb-dri2 xcb-xfixes x11-xcb libdrm)
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EGL_CFLAGS =
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EGL_LIBS = $(shell pkg-config --libs xcb-dri2 xcb-xfixes x11-xcb libdrm)
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include ../Makefile.template
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931
src/egl/drivers/dri2/egl_dri2.c
Normal file
931
src/egl/drivers/dri2/egl_dri2.c
Normal file
@ -0,0 +1,931 @@
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/*
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* Copyright © 2010 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is 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 (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* 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
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Authors:
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* Kristian Høgsberg <krh@bitplanet.net>
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*/
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#include <limits.h>
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#include <dlfcn.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <unistd.h>
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#include <xf86drm.h>
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#include <GL/gl.h>
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#include <GL/internal/dri_interface.h>
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#include <xcb/xcb.h>
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#include <xcb/dri2.h>
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#include <xcb/xfixes.h>
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#include <X11/Xlib-xcb.h>
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#include <glapi/glapi.h>
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#include "eglconfigutil.h"
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#include "eglconfig.h"
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#include "eglcontext.h"
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#include "egldisplay.h"
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#include "egldriver.h"
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#include "eglcurrent.h"
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#include "egllog.h"
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#include "eglsurface.h"
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struct dri2_egl_driver
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{
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_EGLDriver base;
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};
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struct dri2_egl_display
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{
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xcb_connection_t *conn;
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int dri2_major;
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int dri2_minor;
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__DRIscreen *dri_screen;
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void *driver;
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__DRIcoreExtension *core;
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__DRIdri2Extension *dri2;
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__DRI2flushExtension *flush;
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int fd;
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__DRIdri2LoaderExtension loader_extension;
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const __DRIextension *extensions[2];
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};
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struct dri2_egl_context
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{
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_EGLContext base;
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__DRIcontext *dri_context;
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};
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struct dri2_egl_surface
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{
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_EGLSurface base;
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__DRIdrawable *dri_drawable;
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xcb_drawable_t drawable;
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__DRIbuffer buffers[5];
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int buffer_count;
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xcb_xfixes_region_t region;
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int have_back;
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int have_fake_front;
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int swap_interval;
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};
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struct dri2_egl_config
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{
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_EGLConfig base;
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const __DRIconfig *dri_config;
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};
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static struct dri2_egl_driver *
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dri2_egl_driver(_EGLDriver *drv)
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{
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return (struct dri2_egl_driver *) drv;
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}
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static struct dri2_egl_display *
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dri2_egl_display(_EGLDisplay *dpy)
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{
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return (struct dri2_egl_display *) dpy->DriverData;
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}
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static struct dri2_egl_context *
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dri2_egl_context(_EGLContext *ctx)
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{
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return (struct dri2_egl_context *) ctx;
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}
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static struct dri2_egl_surface *
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dri2_egl_surface(_EGLSurface *surf)
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{
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return (struct dri2_egl_surface *) surf;
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}
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static struct dri2_egl_config *
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dri2_egl_config(_EGLConfig *conf)
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{
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return (struct dri2_egl_config *) conf;
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}
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EGLint dri2_to_egl_attribute_map[] = {
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0,
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EGL_BUFFER_SIZE, /* __DRI_ATTRIB_BUFFER_SIZE */
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EGL_LEVEL, /* __DRI_ATTRIB_LEVEL */
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EGL_RED_SIZE, /* __DRI_ATTRIB_RED_SIZE */
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EGL_GREEN_SIZE, /* __DRI_ATTRIB_GREEN_SIZE */
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EGL_BLUE_SIZE, /* __DRI_ATTRIB_BLUE_SIZE */
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0, /* __DRI_ATTRIB_LUMINANCE_SIZE */
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EGL_ALPHA_SIZE, /* __DRI_ATTRIB_ALPHA_SIZE */
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0, /* __DRI_ATTRIB_ALPHA_MASK_SIZE */
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EGL_DEPTH_SIZE, /* __DRI_ATTRIB_DEPTH_SIZE */
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EGL_STENCIL_SIZE, /* __DRI_ATTRIB_STENCIL_SIZE */
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0, /* __DRI_ATTRIB_ACCUM_RED_SIZE */
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0, /* __DRI_ATTRIB_ACCUM_GREEN_SIZE */
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0, /* __DRI_ATTRIB_ACCUM_BLUE_SIZE */
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0, /* __DRI_ATTRIB_ACCUM_ALPHA_SIZE */
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EGL_SAMPLE_BUFFERS, /* __DRI_ATTRIB_SAMPLE_BUFFERS */
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EGL_SAMPLES, /* __DRI_ATTRIB_SAMPLES */
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0, /* __DRI_ATTRIB_RENDER_TYPE, */
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0, /* __DRI_ATTRIB_CONFIG_CAVEAT */
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0, /* __DRI_ATTRIB_CONFORMANT */
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0, /* __DRI_ATTRIB_DOUBLE_BUFFER */
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0, /* __DRI_ATTRIB_STEREO */
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0, /* __DRI_ATTRIB_AUX_BUFFERS */
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0, /* __DRI_ATTRIB_TRANSPARENT_TYPE */
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0, /* __DRI_ATTRIB_TRANSPARENT_INDEX_VALUE */
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0, /* __DRI_ATTRIB_TRANSPARENT_RED_VALUE */
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0, /* __DRI_ATTRIB_TRANSPARENT_GREEN_VALUE */
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0, /* __DRI_ATTRIB_TRANSPARENT_BLUE_VALUE */
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0, /* __DRI_ATTRIB_TRANSPARENT_ALPHA_VALUE */
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0, /* __DRI_ATTRIB_FLOAT_MODE */
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0, /* __DRI_ATTRIB_RED_MASK */
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0, /* __DRI_ATTRIB_GREEN_MASK */
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0, /* __DRI_ATTRIB_BLUE_MASK */
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0, /* __DRI_ATTRIB_ALPHA_MASK */
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EGL_MAX_PBUFFER_WIDTH, /* __DRI_ATTRIB_MAX_PBUFFER_WIDTH */
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EGL_MAX_PBUFFER_HEIGHT, /* __DRI_ATTRIB_MAX_PBUFFER_HEIGHT */
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EGL_MAX_PBUFFER_PIXELS, /* __DRI_ATTRIB_MAX_PBUFFER_PIXELS */
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0, /* __DRI_ATTRIB_OPTIMAL_PBUFFER_WIDTH */
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0, /* __DRI_ATTRIB_OPTIMAL_PBUFFER_HEIGHT */
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0, /* __DRI_ATTRIB_VISUAL_SELECT_GROUP */
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0, /* __DRI_ATTRIB_SWAP_METHOD */
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EGL_MAX_SWAP_INTERVAL, /* __DRI_ATTRIB_MAX_SWAP_INTERVAL */
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EGL_MIN_SWAP_INTERVAL, /* __DRI_ATTRIB_MIN_SWAP_INTERVAL */
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EGL_BIND_TO_TEXTURE_RGB, /* __DRI_ATTRIB_BIND_TO_TEXTURE_RGB */
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EGL_BIND_TO_TEXTURE_RGBA, /* __DRI_ATTRIB_BIND_TO_TEXTURE_RGBA */
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0, /* __DRI_ATTRIB_BIND_TO_MIPMAP_TEXTURE */
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0, /* __DRI_ATTRIB_BIND_TO_TEXTURE_TARGETS */
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0, /* __DRI_ATTRIB_YINVERTED */
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};
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static void
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dri2_add_config(_EGLDisplay *disp, const __DRIconfig *dri_config, int id)
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{
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struct dri2_egl_config *conf;
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struct dri2_egl_display *dri2_dpy;
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unsigned int attrib, value, surface_type;
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EGLint key;
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int i;
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dri2_dpy = disp->DriverData;
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conf = malloc(sizeof *conf);
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if (conf == NULL)
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return;
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conf->dri_config = dri_config;
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_eglInitConfig(&conf->base, disp, id);
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surface_type = EGL_PBUFFER_BIT | EGL_PIXMAP_BIT;
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i = 0;
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while (dri2_dpy->core->indexConfigAttrib(dri_config, i++, &attrib, &value)) {
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switch (attrib) {
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case 0:
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break;
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case __DRI_ATTRIB_RENDER_TYPE:
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if (value & __DRI_ATTRIB_RGBA_BIT)
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value = EGL_RGB_BUFFER;
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else if (value & __DRI_ATTRIB_LUMINANCE_BIT)
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value = EGL_LUMINANCE_BUFFER;
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else
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/* not valid */;
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_eglSetConfigKey(&conf->base, EGL_COLOR_BUFFER_TYPE, value);
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break;
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case __DRI_ATTRIB_CONFIG_CAVEAT:
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if (value & __DRI_ATTRIB_NON_CONFORMANT_CONFIG)
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value = EGL_NON_CONFORMANT_CONFIG;
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else if (value & __DRI_ATTRIB_SLOW_BIT)
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value = EGL_SLOW_CONFIG;
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else
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value = EGL_NONE;
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_eglSetConfigKey(&conf->base, EGL_CONFIG_CAVEAT, value);
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break;
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case __DRI_ATTRIB_DOUBLE_BUFFER:
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if (value)
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surface_type |= EGL_WINDOW_BIT;
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break;
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default:
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key = dri2_to_egl_attribute_map[attrib];
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if (key != 0)
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_eglSetConfigKey(&conf->base, key, value);
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break;
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}
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}
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/* EGL_SWAP_BEHAVIOR_PRESERVED_BIT */
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_eglSetConfigKey(&conf->base, EGL_SURFACE_TYPE, surface_type);
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/* EGL_OPENGL_ES_BIT, EGL_OPENVG_BIT, EGL_OPENGL_ES2_BIT */
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_eglSetConfigKey(&conf->base, EGL_RENDERABLE_TYPE, EGL_OPENGL_BIT);
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_eglSetConfigKey(&conf->base, EGL_CONFORMANT, EGL_OPENGL_BIT);
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/* FIXME: Figure out how to get the visual ID and types */
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_eglSetConfigKey(&conf->base, EGL_NATIVE_VISUAL_ID, 0x21);
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_eglSetConfigKey(&conf->base, EGL_NATIVE_VISUAL_TYPE,
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XCB_VISUAL_CLASS_TRUE_COLOR);
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_eglSetConfigKey(&conf->base, EGL_BIND_TO_TEXTURE_RGB, EGL_TRUE);
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_eglSetConfigKey(&conf->base, EGL_BIND_TO_TEXTURE_RGBA, EGL_TRUE);
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if (!_eglValidateConfig(&conf->base, EGL_FALSE)) {
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_eglLog(_EGL_DEBUG, "DRI2: failed to validate config %d", i);
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free(conf);
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return;
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}
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_eglAddConfig(disp, &conf->base);
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}
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/**
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* Process list of buffer received from the server
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*
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* Processes the list of buffers received in a reply from the server to either
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* \c DRI2GetBuffers or \c DRI2GetBuffersWithFormat.
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*/
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static void
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dri2_process_buffers(struct dri2_egl_surface *dri2_surf,
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xcb_dri2_dri2_buffer_t *buffers, unsigned count)
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{
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struct dri2_egl_display *dri2_dpy =
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dri2_egl_display(dri2_surf->base.Resource.Display);
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xcb_rectangle_t rectangle;
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int i;
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dri2_surf->buffer_count = count;
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dri2_surf->have_fake_front = 0;
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dri2_surf->have_back = 0;
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/* This assumes the DRI2 buffer attachment tokens matches the
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* __DRIbuffer tokens. */
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for (i = 0; i < count; i++) {
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dri2_surf->buffers[i].attachment = buffers[i].attachment;
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dri2_surf->buffers[i].name = buffers[i].name;
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dri2_surf->buffers[i].pitch = buffers[i].pitch;
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dri2_surf->buffers[i].cpp = buffers[i].cpp;
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dri2_surf->buffers[i].flags = buffers[i].flags;
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if (dri2_surf->buffers[i].attachment == __DRI_BUFFER_FAKE_FRONT_LEFT)
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dri2_surf->have_fake_front = 1;
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if (dri2_surf->buffers[i].attachment == __DRI_BUFFER_BACK_LEFT)
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dri2_surf->have_back = 1;
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}
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if (dri2_surf->region != XCB_NONE)
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xcb_xfixes_destroy_region(dri2_dpy->conn, dri2_surf->region);
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rectangle.x = 0;
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rectangle.y = 0;
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rectangle.width = dri2_surf->base.Width;
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rectangle.height = dri2_surf->base.Height;
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dri2_surf->region = xcb_generate_id(dri2_dpy->conn);
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xcb_xfixes_create_region(dri2_dpy->conn, dri2_surf->region, 1, &rectangle);
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}
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static __DRIbuffer *
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dri2_get_buffers(__DRIdrawable * driDrawable,
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int *width, int *height,
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unsigned int *attachments, int count,
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int *out_count, void *loaderPrivate)
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{
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struct dri2_egl_surface *dri2_surf = loaderPrivate;
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struct dri2_egl_display *dri2_dpy =
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dri2_egl_display(dri2_surf->base.Resource.Display);
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xcb_dri2_dri2_buffer_t *buffers;
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xcb_dri2_get_buffers_reply_t *reply;
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xcb_dri2_get_buffers_cookie_t cookie;
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cookie = xcb_dri2_get_buffers_unchecked (dri2_dpy->conn,
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dri2_surf->drawable,
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count, count, attachments);
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reply = xcb_dri2_get_buffers_reply (dri2_dpy->conn, cookie, NULL);
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buffers = xcb_dri2_get_buffers_buffers (reply);
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if (buffers == NULL)
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return NULL;
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*out_count = reply->count;
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dri2_surf->base.Width = *width = reply->width;
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dri2_surf->base.Height = *height = reply->height;
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dri2_process_buffers(dri2_surf, buffers, *out_count);
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free(reply);
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return dri2_surf->buffers;
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}
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static void
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dri2_flush_front_buffer(__DRIdrawable * driDrawable, void *loaderPrivate)
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{
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/* FIXME: Does EGL support front buffer rendering at all? */
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#if 0
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struct dri2_egl_surface *dri2_surf = loaderPrivate;
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dri2WaitGL(dri2_surf);
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#endif
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}
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static __DRIbuffer *
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dri2_get_buffers_with_format(__DRIdrawable * driDrawable,
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int *width, int *height,
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unsigned int *attachments, int count,
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int *out_count, void *loaderPrivate)
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{
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struct dri2_egl_surface *dri2_surf = loaderPrivate;
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struct dri2_egl_display *dri2_dpy =
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dri2_egl_display(dri2_surf->base.Resource.Display);
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xcb_dri2_dri2_buffer_t *buffers;
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xcb_dri2_get_buffers_with_format_reply_t *reply;
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xcb_dri2_get_buffers_with_format_cookie_t cookie;
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xcb_dri2_attach_format_t *format_attachments;
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format_attachments = (xcb_dri2_attach_format_t *) attachments;
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cookie = xcb_dri2_get_buffers_with_format_unchecked (dri2_dpy->conn,
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dri2_surf->drawable,
|
||||
count, count,
|
||||
format_attachments);
|
||||
|
||||
reply = xcb_dri2_get_buffers_with_format_reply (dri2_dpy->conn,
|
||||
cookie, NULL);
|
||||
if (reply == NULL)
|
||||
return NULL;
|
||||
|
||||
buffers = xcb_dri2_get_buffers_with_format_buffers (reply);
|
||||
dri2_surf->base.Width = *width = reply->width;
|
||||
dri2_surf->base.Height = *height = reply->height;
|
||||
*out_count = reply->count;
|
||||
dri2_process_buffers(dri2_surf, buffers, *out_count);
|
||||
|
||||
free(reply);
|
||||
|
||||
return dri2_surf->buffers;
|
||||
}
|
||||
|
||||
#ifdef GLX_USE_TLS
|
||||
static const char dri_driver_format[] = "%.*s/tls/%.*s_dri.so";
|
||||
#else
|
||||
static const char dri_driver_format[] = "%.*s/%.*s_dri.so";
|
||||
#endif
|
||||
|
||||
static const char dri_driver_path[] = DEFAULT_DRIVER_DIR;
|
||||
|
||||
/**
|
||||
* Called via eglInitialize(), GLX_drv->API.Initialize().
|
||||
*/
|
||||
static EGLBoolean
|
||||
dri2_initialize(_EGLDriver *drv, _EGLDisplay *disp,
|
||||
EGLint *major, EGLint *minor)
|
||||
{
|
||||
const __DRIextension **extensions;
|
||||
const __DRIconfig **driver_configs;
|
||||
struct dri2_egl_display *dri2_dpy;
|
||||
char path[PATH_MAX], *search_paths, *p, *next, *end;
|
||||
xcb_xfixes_query_version_reply_t *xfixes_query;
|
||||
xcb_xfixes_query_version_cookie_t xfixes_query_cookie;
|
||||
xcb_dri2_query_version_reply_t *dri2_query;
|
||||
xcb_dri2_query_version_cookie_t dri2_query_cookie;
|
||||
xcb_dri2_connect_reply_t *connect = NULL;
|
||||
xcb_dri2_connect_cookie_t connect_cookie;
|
||||
xcb_dri2_authenticate_reply_t *authenticate;
|
||||
xcb_dri2_authenticate_cookie_t authenticate_cookie;
|
||||
xcb_generic_error_t *error;
|
||||
drm_magic_t magic;
|
||||
xcb_screen_iterator_t s;
|
||||
int i;
|
||||
|
||||
dri2_dpy = malloc(sizeof *dri2_dpy);
|
||||
if (!dri2_dpy)
|
||||
return _eglError(EGL_BAD_ALLOC, "eglInitialize");
|
||||
|
||||
disp->DriverData = (void *) dri2_dpy;
|
||||
dri2_dpy->conn = XGetXCBConnection(disp->NativeDisplay);
|
||||
if (!dri2_dpy->conn) {
|
||||
dri2_dpy->conn = xcb_connect(0, 0);
|
||||
if (!dri2_dpy->conn) {
|
||||
_eglLog(_EGL_WARNING, "DRI2: xcb_connect failed");
|
||||
free(dri2_dpy);
|
||||
return EGL_FALSE;
|
||||
}
|
||||
}
|
||||
|
||||
xcb_prefetch_extension_data (dri2_dpy->conn, &xcb_xfixes_id);
|
||||
xcb_prefetch_extension_data (dri2_dpy->conn, &xcb_dri2_id);
|
||||
|
||||
xfixes_query_cookie = xcb_xfixes_query_version(dri2_dpy->conn,
|
||||
XCB_XFIXES_MAJOR_VERSION,
|
||||
XCB_XFIXES_MINOR_VERSION);
|
||||
|
||||
dri2_query_cookie = xcb_dri2_query_version (dri2_dpy->conn,
|
||||
XCB_DRI2_MAJOR_VERSION,
|
||||
XCB_DRI2_MINOR_VERSION);
|
||||
|
||||
s = xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy->conn));
|
||||
connect_cookie = xcb_dri2_connect_unchecked (dri2_dpy->conn,
|
||||
s.data->root,
|
||||
XCB_DRI2_DRIVER_TYPE_DRI);
|
||||
|
||||
xfixes_query =
|
||||
xcb_xfixes_query_version_reply (dri2_dpy->conn,
|
||||
xfixes_query_cookie, &error);
|
||||
if (xfixes_query == NULL ||
|
||||
error != NULL || xfixes_query->major_version < 2) {
|
||||
_eglLog(_EGL_FATAL, "DRI2: failed to query xfixes version");
|
||||
free(error);
|
||||
goto handle_error;
|
||||
}
|
||||
free(xfixes_query);
|
||||
|
||||
dri2_query =
|
||||
xcb_dri2_query_version_reply (dri2_dpy->conn, dri2_query_cookie, &error);
|
||||
if (dri2_query == NULL || error != NULL) {
|
||||
_eglLog(_EGL_FATAL, "DRI2: failed to query version");
|
||||
free(error);
|
||||
goto handle_error;
|
||||
}
|
||||
dri2_dpy->dri2_major = dri2_query->major_version;
|
||||
dri2_dpy->dri2_minor = dri2_query->minor_version;
|
||||
free(dri2_query);
|
||||
|
||||
connect = xcb_dri2_connect_reply (dri2_dpy->conn, connect_cookie, NULL);
|
||||
if (connect->driver_name_length == 0 && connect->device_name_length == 0) {
|
||||
_eglLog(_EGL_FATAL, "DRI2: failed to authenticate");
|
||||
goto handle_error;
|
||||
}
|
||||
|
||||
search_paths = NULL;
|
||||
if (geteuid() == getuid()) {
|
||||
/* don't allow setuid apps to use LIBGL_DRIVERS_PATH */
|
||||
search_paths = getenv("LIBGL_DRIVERS_PATH");
|
||||
}
|
||||
if (search_paths == NULL)
|
||||
search_paths = DEFAULT_DRIVER_DIR;
|
||||
|
||||
dri2_dpy->driver = NULL;
|
||||
end = search_paths + strlen(search_paths);
|
||||
for (p = search_paths; p < end && dri2_dpy->driver == NULL; p = next + 1) {
|
||||
next = strchr(p, ':');
|
||||
if (next == NULL)
|
||||
next = end;
|
||||
|
||||
snprintf(path, sizeof path,
|
||||
dri_driver_format,
|
||||
next - p, p,
|
||||
xcb_dri2_connect_driver_name_length (connect),
|
||||
xcb_dri2_connect_driver_name (connect));
|
||||
|
||||
dri2_dpy->driver = dlopen(path, RTLD_NOW | RTLD_GLOBAL);
|
||||
}
|
||||
|
||||
if (dri2_dpy->driver == NULL) {
|
||||
_eglLog(_EGL_FATAL,
|
||||
"DRI2: failed to open any driver (search paths %s)",
|
||||
search_paths);
|
||||
goto handle_error;
|
||||
}
|
||||
|
||||
_eglLog(_EGL_DEBUG, "DRI2: dlopen(%s)", path);
|
||||
extensions = dlsym(dri2_dpy->driver, __DRI_DRIVER_EXTENSIONS);
|
||||
if (extensions == NULL) {
|
||||
_eglLog(_EGL_FATAL,
|
||||
"DRI2: driver exports no extensions (%s)", dlerror());
|
||||
goto handle_error;
|
||||
}
|
||||
|
||||
for (i = 0; extensions[i]; i++) {
|
||||
if (strcmp(extensions[i]->name, __DRI_CORE) == 0)
|
||||
dri2_dpy->core = (__DRIcoreExtension *) extensions[i];
|
||||
if (strcmp(extensions[i]->name, __DRI_DRI2) == 0)
|
||||
dri2_dpy->dri2 = (__DRIdri2Extension *) extensions[i];
|
||||
}
|
||||
|
||||
if (dri2_dpy->core == NULL) {
|
||||
_eglLog(_EGL_FATAL, "DRI2: driver has no core extension");
|
||||
goto handle_error;
|
||||
}
|
||||
|
||||
if (dri2_dpy->dri2 == NULL) {
|
||||
_eglLog(_EGL_FATAL, "DRI2: driver has no dri2 extension");
|
||||
goto handle_error;
|
||||
}
|
||||
|
||||
snprintf(path, sizeof path, "%.*s",
|
||||
xcb_dri2_connect_device_name_length (connect),
|
||||
xcb_dri2_connect_device_name (connect));
|
||||
dri2_dpy->fd = open (path, O_RDWR);
|
||||
if (dri2_dpy->fd == -1) {
|
||||
_eglLog(_EGL_FATAL,
|
||||
"DRI2: could not open %s (%s)", path, strerror(errno));
|
||||
goto handle_error;
|
||||
}
|
||||
|
||||
if (drmGetMagic(dri2_dpy->fd, &magic)) {
|
||||
_eglLog(_EGL_FATAL, "DRI2: failed to get drm magic");
|
||||
goto handle_error;
|
||||
}
|
||||
|
||||
authenticate_cookie = xcb_dri2_authenticate_unchecked (dri2_dpy->conn,
|
||||
s.data->root, magic);
|
||||
authenticate = xcb_dri2_authenticate_reply (dri2_dpy->conn,
|
||||
authenticate_cookie, NULL);
|
||||
if (authenticate == NULL || !authenticate->authenticated) {
|
||||
_eglLog(_EGL_FATAL, "DRI2: failed to authenticate");
|
||||
goto handle_error;
|
||||
}
|
||||
|
||||
if (dri2_dpy->dri2_minor >= 1) {
|
||||
dri2_dpy->loader_extension.base.name = __DRI_DRI2_LOADER;
|
||||
dri2_dpy->loader_extension.base.version = 3;
|
||||
dri2_dpy->loader_extension.getBuffers = dri2_get_buffers;
|
||||
dri2_dpy->loader_extension.flushFrontBuffer = dri2_flush_front_buffer;
|
||||
dri2_dpy->loader_extension.getBuffersWithFormat =
|
||||
dri2_get_buffers_with_format;
|
||||
} else {
|
||||
dri2_dpy->loader_extension.base.name = __DRI_DRI2_LOADER;
|
||||
dri2_dpy->loader_extension.base.version = 2;
|
||||
dri2_dpy->loader_extension.getBuffers = dri2_get_buffers;
|
||||
dri2_dpy->loader_extension.flushFrontBuffer = dri2_flush_front_buffer;
|
||||
dri2_dpy->loader_extension.getBuffersWithFormat = NULL;
|
||||
}
|
||||
|
||||
dri2_dpy->extensions[0] = &dri2_dpy->loader_extension.base;
|
||||
dri2_dpy->extensions[1] = NULL;
|
||||
|
||||
dri2_dpy->dri_screen =
|
||||
dri2_dpy->dri2->createNewScreen(0, dri2_dpy->fd, dri2_dpy->extensions,
|
||||
&driver_configs, dri2_dpy);
|
||||
|
||||
if (dri2_dpy->dri_screen == NULL) {
|
||||
_eglLog(_EGL_FATAL, "DRI2: failed to create dri screen");
|
||||
free(dri2_dpy);
|
||||
goto handle_error;
|
||||
}
|
||||
|
||||
extensions = dri2_dpy->core->getExtensions(dri2_dpy->dri_screen);
|
||||
for (i = 0; extensions[i]; i++) {
|
||||
if ((strcmp(extensions[i]->name, __DRI2_FLUSH) == 0))
|
||||
dri2_dpy->flush = (__DRI2flushExtension *) extensions[i];
|
||||
}
|
||||
|
||||
if (dri2_dpy->flush == NULL) {
|
||||
_eglLog(_EGL_FATAL, "DRI2: driver doesn't support the flush extension");
|
||||
free(dri2_dpy);
|
||||
goto handle_error;
|
||||
}
|
||||
|
||||
for (i = 0; driver_configs[i]; i++)
|
||||
dri2_add_config(disp, driver_configs[i], i + 1);
|
||||
if (!disp->NumConfigs) {
|
||||
_eglLog(_EGL_WARNING, "DRI2: failed to create any config");
|
||||
goto handle_error;
|
||||
}
|
||||
|
||||
disp->ClientAPIsMask = EGL_OPENGL_BIT;
|
||||
|
||||
/* we're supporting EGL 1.4 */
|
||||
*major = 1;
|
||||
*minor = 4;
|
||||
|
||||
free (connect);
|
||||
return EGL_TRUE;
|
||||
|
||||
handle_error:
|
||||
free(connect);
|
||||
free(dri2_dpy);
|
||||
return EGL_FALSE;
|
||||
}
|
||||
|
||||
/**
|
||||
* Called via eglTerminate(), drv->API.Terminate().
|
||||
*/
|
||||
static EGLBoolean
|
||||
dri2_terminate(_EGLDriver *drv, _EGLDisplay *disp)
|
||||
{
|
||||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
|
||||
|
||||
_eglReleaseDisplayResources(drv, disp);
|
||||
_eglCleanupDisplay(disp);
|
||||
|
||||
close(dri2_dpy->fd);
|
||||
dlclose(dri2_dpy->driver);
|
||||
free(dri2_dpy);
|
||||
|
||||
disp->DriverData = NULL;
|
||||
|
||||
return EGL_TRUE;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Called via eglCreateContext(), drv->API.CreateContext().
|
||||
*/
|
||||
static _EGLContext *
|
||||
dri2_create_context(_EGLDriver *drv, _EGLDisplay *disp, _EGLConfig *conf,
|
||||
_EGLContext *share_list, const EGLint *attrib_list)
|
||||
{
|
||||
struct dri2_egl_context *dri2_ctx;
|
||||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
|
||||
struct dri2_egl_context *dri2_ctx_shared = dri2_egl_context(share_list);
|
||||
struct dri2_egl_config *dri2_config = dri2_egl_config(conf);
|
||||
|
||||
dri2_ctx = malloc(sizeof *dri2_ctx);
|
||||
if (!dri2_ctx) {
|
||||
_eglError(EGL_BAD_ALLOC, "eglCreateContext");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
if (!_eglInitContext(&dri2_ctx->base, disp, conf, attrib_list)) {
|
||||
free(dri2_ctx);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
dri2_ctx->dri_context =
|
||||
dri2_dpy->dri2->createNewContext(dri2_dpy->dri_screen,
|
||||
dri2_config->dri_config,
|
||||
dri2_ctx_shared ?
|
||||
dri2_ctx_shared->dri_context : NULL,
|
||||
dri2_ctx);
|
||||
|
||||
if (!dri2_ctx->dri_context) {
|
||||
free(dri2_ctx);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
return &dri2_ctx->base;
|
||||
}
|
||||
|
||||
static EGLBoolean
|
||||
dri2_destroy_surface(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf)
|
||||
{
|
||||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
|
||||
struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
|
||||
|
||||
if (_eglIsSurfaceBound(surf))
|
||||
return EGL_TRUE;
|
||||
|
||||
(*dri2_dpy->core->destroyDrawable)(dri2_surf->dri_drawable);
|
||||
|
||||
xcb_dri2_destroy_drawable (dri2_dpy->conn, dri2_surf->drawable);
|
||||
|
||||
if (surf->Type == EGL_PBUFFER_BIT)
|
||||
xcb_free_pixmap (dri2_dpy->conn, dri2_surf->drawable);
|
||||
|
||||
free(surf);
|
||||
|
||||
return EGL_TRUE;
|
||||
}
|
||||
|
||||
/**
|
||||
* Called via eglMakeCurrent(), drv->API.MakeCurrent().
|
||||
*/
|
||||
static EGLBoolean
|
||||
dri2_make_current(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *dsurf,
|
||||
_EGLSurface *rsurf, _EGLContext *ctx)
|
||||
{
|
||||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
|
||||
struct dri2_egl_surface *dri2_dsurf = dri2_egl_surface(dsurf);
|
||||
struct dri2_egl_surface *dri2_rsurf = dri2_egl_surface(rsurf);
|
||||
struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
|
||||
__DRIdrawable *ddraw, *rdraw;
|
||||
__DRIcontext *cctx;
|
||||
|
||||
/* bind the new context and return the "orphaned" one */
|
||||
if (!_eglBindContext(&ctx, &dsurf, &rsurf))
|
||||
return EGL_FALSE;
|
||||
|
||||
ddraw = (dri2_dsurf) ? dri2_dsurf->dri_drawable : NULL;
|
||||
rdraw = (dri2_rsurf) ? dri2_rsurf->dri_drawable : NULL;
|
||||
cctx = (dri2_ctx) ? dri2_ctx->dri_context : NULL;
|
||||
|
||||
if ((cctx == NULL && ddraw == NULL && rdraw == NULL) ||
|
||||
dri2_dpy->core->bindContext(cctx, ddraw, rdraw)) {
|
||||
if (dsurf)
|
||||
dri2_destroy_surface(drv, disp, dsurf);
|
||||
if (rsurf && rsurf != dsurf)
|
||||
dri2_destroy_surface(drv, disp, rsurf);
|
||||
if (ctx != NULL)
|
||||
dri2_dpy->core->unbindContext(dri2_egl_context(ctx)->dri_context);
|
||||
|
||||
return EGL_TRUE;
|
||||
} else {
|
||||
_eglBindContext(&ctx, &dsurf, &rsurf);
|
||||
|
||||
return EGL_FALSE;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Called via eglCreateWindowSurface(), drv->API.CreateWindowSurface().
|
||||
*/
|
||||
static _EGLSurface *
|
||||
dri2_create_surface(_EGLDriver *drv, _EGLDisplay *disp, EGLint type,
|
||||
_EGLConfig *conf, EGLNativeWindowType window,
|
||||
const EGLint *attrib_list)
|
||||
{
|
||||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
|
||||
struct dri2_egl_config *dri2_conf = dri2_egl_config(conf);
|
||||
struct dri2_egl_surface *dri2_surf;
|
||||
xcb_get_geometry_cookie_t cookie;
|
||||
xcb_get_geometry_reply_t *reply;
|
||||
xcb_screen_iterator_t s;
|
||||
xcb_generic_error_t *error;
|
||||
|
||||
dri2_surf = malloc(sizeof *dri2_surf);
|
||||
if (!dri2_surf) {
|
||||
_eglError(EGL_BAD_ALLOC, "eglCreateWindowSurface");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
if (!_eglInitSurface(&dri2_surf->base, disp, type, conf, attrib_list)) {
|
||||
free(dri2_surf);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
dri2_surf->region = XCB_NONE;
|
||||
if (type == EGL_PBUFFER_BIT) {
|
||||
dri2_surf->drawable = xcb_generate_id(dri2_dpy->conn);
|
||||
s = xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy->conn));
|
||||
xcb_create_pixmap(dri2_dpy->conn,
|
||||
_eglGetConfigKey(conf, EGL_BUFFER_SIZE),
|
||||
dri2_surf->drawable, s.data->root,
|
||||
dri2_surf->base.Width, dri2_surf->base.Height);
|
||||
} else {
|
||||
dri2_surf->drawable = window;
|
||||
}
|
||||
|
||||
dri2_surf->dri_drawable =
|
||||
(*dri2_dpy->dri2->createNewDrawable) (dri2_dpy->dri_screen,
|
||||
dri2_conf->dri_config, dri2_surf);
|
||||
if (dri2_surf == NULL) {
|
||||
_eglError(EGL_BAD_ALLOC, "eglCreateWindowSurface");
|
||||
free(dri2_surf);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
xcb_dri2_create_drawable (dri2_dpy->conn, dri2_surf->drawable);
|
||||
|
||||
cookie = xcb_get_geometry (dri2_dpy->conn, dri2_surf->drawable);
|
||||
reply = xcb_get_geometry_reply (dri2_dpy->conn, cookie, &error);
|
||||
if (reply == NULL || error != NULL) {
|
||||
_eglError(EGL_BAD_ALLOC, "xcb_get_geometry");
|
||||
free(dri2_surf);
|
||||
free(error);
|
||||
return NULL;
|
||||
}
|
||||
dri2_surf->base.Width = reply->width;
|
||||
dri2_surf->base.Height = reply->height;
|
||||
free(reply);
|
||||
|
||||
return &dri2_surf->base;
|
||||
}
|
||||
|
||||
/**
|
||||
* Called via eglCreateWindowSurface(), drv->API.CreateWindowSurface().
|
||||
*/
|
||||
static _EGLSurface *
|
||||
dri2_create_window_surface(_EGLDriver *drv, _EGLDisplay *disp,
|
||||
_EGLConfig *conf, EGLNativeWindowType window,
|
||||
const EGLint *attrib_list)
|
||||
{
|
||||
return dri2_create_surface(drv, disp, EGL_WINDOW_BIT, conf,
|
||||
window, attrib_list);
|
||||
}
|
||||
|
||||
static _EGLSurface *
|
||||
dri2_create_pixmap_surface(_EGLDriver *drv, _EGLDisplay *disp,
|
||||
_EGLConfig *conf, EGLNativePixmapType pixmap,
|
||||
const EGLint *attrib_list)
|
||||
{
|
||||
return dri2_create_surface(drv, disp, EGL_PIXMAP_BIT, conf,
|
||||
pixmap, attrib_list);
|
||||
}
|
||||
|
||||
static _EGLSurface *
|
||||
dri2_create_pbuffer_surface(_EGLDriver *drv, _EGLDisplay *disp,
|
||||
_EGLConfig *conf, const EGLint *attrib_list)
|
||||
{
|
||||
return dri2_create_surface(drv, disp, EGL_PBUFFER_BIT, conf,
|
||||
XCB_WINDOW_NONE, attrib_list);
|
||||
}
|
||||
|
||||
static EGLBoolean
|
||||
dri2_swap_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw)
|
||||
{
|
||||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
|
||||
struct dri2_egl_surface *dri2_surf = dri2_egl_surface(draw);
|
||||
xcb_dri2_copy_region_cookie_t cookie;
|
||||
|
||||
if (dri2_dpy->flush)
|
||||
(*dri2_dpy->flush->flush)(dri2_surf->dri_drawable);
|
||||
|
||||
#if 0
|
||||
/* FIXME: Add support for dri swapbuffers, that'll give us swap
|
||||
* interval and page flipping (at least for fullscreen windows) as
|
||||
* well as the page flip event. */
|
||||
#if __DRI2_FLUSH_VERSION >= 2
|
||||
if (pdraw->psc->f)
|
||||
(*pdraw->psc->f->flushInvalidate)(pdraw->driDrawable);
|
||||
#endif
|
||||
#endif
|
||||
|
||||
if (!dri2_surf->have_back)
|
||||
return EGL_TRUE;
|
||||
|
||||
cookie = xcb_dri2_copy_region_unchecked(dri2_dpy->conn,
|
||||
dri2_surf->drawable,
|
||||
dri2_surf->region,
|
||||
XCB_DRI2_ATTACHMENT_BUFFER_FRONT_LEFT,
|
||||
XCB_DRI2_ATTACHMENT_BUFFER_BACK_LEFT);
|
||||
free(xcb_dri2_copy_region_reply(dri2_dpy->conn, cookie, NULL));
|
||||
|
||||
return EGL_TRUE;
|
||||
}
|
||||
|
||||
/*
|
||||
* Called from eglGetProcAddress() via drv->API.GetProcAddress().
|
||||
*/
|
||||
static _EGLProc
|
||||
dri2_get_proc_address(_EGLDriver *drv, const char *procname)
|
||||
{
|
||||
/* FIXME: Do we need to support lookup of EGL symbols too? */
|
||||
|
||||
return (_EGLProc) _glapi_get_proc_address(procname);
|
||||
}
|
||||
|
||||
static EGLBoolean
|
||||
dri2_wait_client(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx)
|
||||
{
|
||||
/* glXWaitGL(); */
|
||||
|
||||
return EGL_TRUE;
|
||||
}
|
||||
|
||||
static EGLBoolean
|
||||
dri2_wait_native(_EGLDriver *drv, _EGLDisplay *dpy, EGLint engine)
|
||||
{
|
||||
if (engine != EGL_CORE_NATIVE_ENGINE)
|
||||
return _eglError(EGL_BAD_PARAMETER, "eglWaitNative");
|
||||
/* glXWaitX(); */
|
||||
|
||||
return EGL_TRUE;
|
||||
}
|
||||
|
||||
static void
|
||||
dri2_unload(_EGLDriver *drv)
|
||||
{
|
||||
struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
|
||||
free(dri2_drv);
|
||||
}
|
||||
|
||||
/**
|
||||
* This is the main entrypoint into the driver, called by libEGL.
|
||||
* Create a new _EGLDriver object and init its dispatch table.
|
||||
*/
|
||||
_EGLDriver *
|
||||
_eglMain(const char *args)
|
||||
{
|
||||
struct dri2_egl_driver *dri2_drv;
|
||||
|
||||
dri2_drv = malloc(sizeof *dri2_drv);
|
||||
if (!dri2_drv)
|
||||
return NULL;
|
||||
|
||||
_eglInitDriverFallbacks(&dri2_drv->base);
|
||||
dri2_drv->base.API.Initialize = dri2_initialize;
|
||||
dri2_drv->base.API.Terminate = dri2_terminate;
|
||||
dri2_drv->base.API.CreateContext = dri2_create_context;
|
||||
dri2_drv->base.API.MakeCurrent = dri2_make_current;
|
||||
dri2_drv->base.API.CreateWindowSurface = dri2_create_window_surface;
|
||||
dri2_drv->base.API.CreatePixmapSurface = dri2_create_pixmap_surface;
|
||||
dri2_drv->base.API.CreatePbufferSurface = dri2_create_pbuffer_surface;
|
||||
dri2_drv->base.API.DestroySurface = dri2_destroy_surface;
|
||||
dri2_drv->base.API.SwapBuffers = dri2_swap_buffers;
|
||||
dri2_drv->base.API.GetProcAddress = dri2_get_proc_address;
|
||||
dri2_drv->base.API.WaitClient = dri2_wait_client;
|
||||
dri2_drv->base.API.WaitNative = dri2_wait_native;
|
||||
|
||||
dri2_drv->base.Name = "DRI2";
|
||||
dri2_drv->base.Unload = dri2_unload;
|
||||
|
||||
return &dri2_drv->base;
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user