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88 lines
2.4 KiB
C
88 lines
2.4 KiB
C
// Copyright 2019, Collabora, Ltd.
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// SPDX-License-Identifier: BSL-1.0
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/*!
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* @file
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* @brief Glue code to EGL client side glue code.
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* @author Drew DeVault <sir@cmpwn.com>
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* @author Simon Ser <contact@emersion.fr>
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* @ingroup comp_client
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*/
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#include <xrt/xrt_config_os.h>
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#include <xrt/xrt_config_have.h>
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#include "ogl/egl_api.h"
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#include "ogl/ogl_api.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include "client/comp_gl_client.h"
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#include "client/comp_gl_memobj_swapchain.h"
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#include "client/comp_gl_eglimage_swapchain.h"
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#include "util/u_misc.h"
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#include "xrt/xrt_gfx_egl.h"
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#ifndef XRT_HAVE_EGL
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#error "This file shouldn't be compiled without EGL"
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#endif
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// Not forward declared by mesa
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typedef EGLBoolean EGLAPIENTRY (*PFNEGLMAKECURRENTPROC)(EGLDisplay dpy,
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EGLSurface draw,
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EGLSurface read,
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EGLContext ctx);
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static void
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client_egl_compositor_destroy(struct xrt_compositor *xc)
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{
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struct client_gl_compositor *c = client_gl_compositor(xc);
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// Pipe down call into native compositor.
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xrt_comp_native_destroy(&c->xcn);
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free(c);
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}
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struct xrt_compositor_gl *
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xrt_gfx_provider_create_gl_egl(struct xrt_compositor_native *xcn,
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EGLDisplay display,
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EGLConfig config,
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EGLContext context,
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PFNEGLGETPROCADDRESSPROC get_gl_procaddr)
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{
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#if defined(XRT_HAVE_OPENGL)
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gladLoadGL(get_gl_procaddr);
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#elif defined(XRT_HAVE_OPENGLES)
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gladLoadGLES2(get_gl_procaddr);
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#endif
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gladLoadEGL(display, get_gl_procaddr);
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if (!eglMakeCurrent(display, EGL_NO_SURFACE, EGL_NO_SURFACE, context)) {
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fprintf(stderr, "Failed to make EGL context current\n");
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return NULL;
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}
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struct client_gl_compositor *c =
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U_TYPED_CALLOC(struct client_gl_compositor);
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#if defined(XRT_OS_ANDROID)
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client_gl_swapchain_create_func sc_create = NULL;
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#else
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client_gl_swapchain_create_func sc_create =
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client_gl_memobj_swapchain_create;
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if (!GLAD_GL_EXT_memory_object && GLAD_EGL_EXT_image_dma_buf_import) {
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sc_create = client_gl_eglimage_swapchain_create;
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}
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#endif
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if (!client_gl_compositor_init(c, xcn, get_gl_procaddr, sc_create)) {
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free(c);
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fprintf(stderr, "Failed to initialize compositor\n");
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return NULL;
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}
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c->base.base.destroy = client_egl_compositor_destroy;
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return &c->base;
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}
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