a7bb6f4d19
Remove the "If only executable code is distributed..." paragraph from the license text. Everything now uses a normal MIT license. The only code from Khronos that's included in libglvnd is the EGL/GL header and XML files, which do not contain that paragraph. Fixes https://gitlab.freedesktop.org/glvnd/libglvnd/-/issues/221
238 lines
8.3 KiB
C
238 lines
8.3 KiB
C
/*
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* Copyright (c) 2016, NVIDIA 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/or associated documentation files (the
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* "Materials"), to deal in the Materials without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Materials, and to
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* permit persons to whom the Materials are furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* unaltered in all copies or substantial portions of the Materials.
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* Any additions, deletions, or changes to the original source files
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* must be clearly indicated in accompanying documentation.
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*
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* THE MATERIALS ARE 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 NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
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*/
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#include <EGL/egl.h>
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#include <EGL/eglext.h>
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#include <GL/gl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <assert.h>
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#include "dummy/EGL_dummy.h"
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#include "egl_test_utils.h"
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#include "utils_misc.h"
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typedef struct {
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const char *vendorName;
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EGLDisplay dpy;
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EGLContext ctx;
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} TestContextInfo;
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void checkIsCurrent(const TestContextInfo *ci);
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void testSwitchContext(const TestContextInfo *oldCi, const TestContextInfo *ci);
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void testSwitchContextFail(const TestContextInfo *oldCi,
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const TestContextInfo *newCi, const TestContextInfo *failCi);
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int main(int argc, char **argv)
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{
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TestContextInfo contexts[3];
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int i;
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loadEGLExtensions();
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contexts[0].vendorName = DUMMY_VENDOR_NAMES[0];
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contexts[1].vendorName = DUMMY_VENDOR_NAMES[0];
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contexts[2].vendorName = DUMMY_VENDOR_NAMES[1];
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for (i=0; i<ARRAY_LEN(contexts); i++) {
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DummyEGLContext *dctx;
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contexts[i].dpy = eglGetPlatformDisplay(EGL_DUMMY_PLATFORM,
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(void *) contexts[i].vendorName, NULL);
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if (contexts[i].dpy == EGL_NO_DISPLAY) {
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printf("eglGetPlatformDisplay failed\n");
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return 1;
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}
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contexts[i].ctx = eglCreateContext(contexts[i].dpy, NULL, EGL_NO_CONTEXT, NULL);
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if (contexts[i].ctx == EGL_NO_CONTEXT) {
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printf("Failed to create context for vendor %s\n", contexts[i].vendorName);
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return 1;
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}
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// Make sure the context came from the correct vendor library.
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dctx = (DummyEGLContext *) contexts[i].ctx;
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if (strcmp(dctx->vendorName, contexts[i].vendorName) != 0) {
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printf("EGLContext is from the wrong vendor: Expected \"%s\", but got \"%s\"\n",
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contexts[i].vendorName, dctx->vendorName);
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return 1;
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}
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printf("Created context %d = %p\n", i, contexts[i].ctx);
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}
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// Test successful calls to eglMakeCurrent.
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printf("Test NULL -> ctx1\n");
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testSwitchContext(NULL, &contexts[0]);
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printf("Test ctx1 -> ctx1\n");
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testSwitchContext(&contexts[0], &contexts[0]);
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printf("Test ctx1 -> ctx2 (same vendor)\n");
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testSwitchContext(&contexts[0], &contexts[1]);
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printf("Test ctx2 -> ctx3 (different vendor)\n");
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testSwitchContext(&contexts[1], &contexts[2]);
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printf("Test ctx3 -> NULL\n");
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testSwitchContext(&contexts[2], NULL);
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// Next, make sure libEGL can deal with cases where the vendor's
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// eglMakeCurrent call fails.
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printf("Test failed NULL -> ctx1\n");
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testSwitchContextFail(NULL, &contexts[0], &contexts[0]);
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printf("Test failed ctx1 -> ctx2 (same vendor)\n");
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if (!eglMakeCurrent(contexts[0].dpy, EGL_NO_SURFACE, EGL_NO_SURFACE, contexts[0].ctx)) {
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printf("eglMakeCurrent failed\n");
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return 1;
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}
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testSwitchContextFail(&contexts[0], &contexts[1], &contexts[1]);
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printf("Test failed ctx1 -> NULL\n");
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testSwitchContextFail(&contexts[0], NULL, &contexts[0]);
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// If the current vendor library fails to release the current context, then
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// libEGL should return immediately, so the old context will still be
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// current.
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printf("Test failed ctx1 -> ctx3 (different vendor, old vendor fails)\n");
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testSwitchContextFail(&contexts[0], &contexts[2], &contexts[0]);
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// In this case, the old vendor library succeeds, but the new vendor
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// library fails. libEGL doesn't keep track of whether the previous context
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// is still valid, so it should be left with no current context.
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printf("Test failed ctx1 -> ctx3 (different vendor, new vendor fails)\n");
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testSwitchContextFail(NULL, &contexts[2], &contexts[2]);
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// Cleanup.
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eglMakeCurrent(EGL_NO_DISPLAY, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
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for (i=0; i<ARRAY_LEN(contexts); i++) {
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eglDestroyContext(contexts[i].dpy, contexts[i].ctx);
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}
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return 0;
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}
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void checkIsCurrent(const TestContextInfo *ci)
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{
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EGLDisplay dpy = (ci != NULL ? ci->dpy : EGL_NO_DISPLAY);
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EGLContext ctx = (ci != NULL ? ci->ctx : EGL_NO_CONTEXT);
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EGLDisplay currDpy;
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EGLContext currCtx;
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// Make sure the current display and context are correct.
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currDpy = eglGetCurrentDisplay();
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if (currDpy != dpy) {
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printf("eglGetCurrentDisplay returned %p, expected %p\n", currDpy, dpy);
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exit(1);
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}
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currCtx = eglGetCurrentContext();
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if (currCtx != ctx) {
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printf("eglGetCurrentContext returned %p, expected %p\n", currCtx, ctx);
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exit(1);
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}
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if (ci != NULL) {
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const char *str;
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// Make sure the vendor library's view of things matches libEGL's.
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currCtx = ptr_eglTestDispatchDisplay(dpy, DUMMY_COMMAND_GET_CURRENT_CONTEXT, 0);
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if (currCtx != ctx) {
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printf("eglTestDispatchDisplay returned %p, expected %p\n", currCtx, ctx);
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exit(1);
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}
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// Make sure the correct dispatch table is set in libGLdispatch.
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str = (const char *) glGetString(GL_VENDOR);
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if (str != NULL) {
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if (strcmp(str, ci->vendorName) != 0) {
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printf("glGetString returned wrong name: Expected \"%s\", got \"%s\"\n",
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ci->vendorName, str);
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exit(1);
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}
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} else {
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printf("glGetString returned NULL, expected \"%s\"\n", ci->vendorName);
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exit(1);
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}
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}
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}
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void testSwitchContext(const TestContextInfo *oldCi, const TestContextInfo *newCi)
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{
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EGLDisplay newDpy = (newCi != NULL ? newCi->dpy : oldCi->dpy);
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EGLContext newCtx = (newCi != NULL ? newCi->ctx : EGL_NO_CONTEXT);
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if (!eglMakeCurrent(newDpy, EGL_NO_SURFACE, EGL_NO_SURFACE, newCtx)) {
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printf("eglMakeCurrent failed with error 0x%04x\n", eglGetError());
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exit(1);
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}
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checkIsCurrent(newCi);
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if (oldCi != NULL && newCi != NULL && oldCi->dpy != newCi->dpy) {
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// If we're switching vendors, then make sure the old display got the
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// eglMakeCurrent call to release the old context.
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EGLContext currCtx = ptr_eglTestDispatchDisplay(oldCi->dpy, DUMMY_COMMAND_GET_CURRENT_CONTEXT, 0);
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if (currCtx != EGL_NO_CONTEXT) {
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printf("eglGetCurrentContext returned %p, expected EGL_NO_CONTEXT\n", currCtx);
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exit(1);
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}
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}
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}
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void testSwitchContextFail(const TestContextInfo *oldCi,
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const TestContextInfo *newCi, const TestContextInfo *failCi)
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{
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EGLDisplay newDpy = (newCi != NULL ? newCi->dpy : oldCi->dpy);
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EGLContext newCtx = (newCi != NULL ? newCi->ctx : EGL_NO_CONTEXT);
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EGLint error;
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assert(failCi != NULL);
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assert(oldCi == failCi || newCi == failCi);
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if (!ptr_eglTestDispatchDisplay(failCi->dpy,
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DUMMY_COMMAND_FAIL_NEXT_MAKE_CURRENT, EGL_BAD_ACCESS)) {
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printf("eglFailNextMakeCurrent failed\n");
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exit(1);
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}
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if (eglMakeCurrent(newDpy, EGL_NO_SURFACE, EGL_NO_SURFACE, newCtx)) {
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printf("eglMakeCurrent succeeded, but should have failed.\n");
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exit(1);
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}
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error = eglGetError();
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if (error != EGL_BAD_ACCESS) {
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printf("eglMakeCurrent set the wrong error\n");
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exit(1);
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}
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checkIsCurrent(oldCi);
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}
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