Question

我用C ++中的SDL2对游戏进行编程。

我想在此游戏中使用SDL_GetWindowSurface和SDL_CreateRenderer，如果仅使用其中之一，它的作品，但是如果尝试同时使用它们，则游戏崩溃。

我认为如果两个功能都处于活动状态，则这两个功能将无效。

这可能是问题吗？

Answer 1

我认为如果两个功能都处于活动状态，则这两个功能将无效。

这可能是问题吗？

是的，与the SDL_GetWindowSurface() declaration comment完全一样：

buildscript {
    repositories {
        jcenter()
        maven { url "http://repo.maven.apache.org/maven2" }
    }
    dependencies {
        classpath 'com.github.jengelman.gradle.plugins:shadow:2.0.1'
    }
}

plugins {
    id 'java'
    id 'signing'
}

apply plugin: 'java'
apply plugin: 'maven'
apply plugin: 'com.github.johnrengelman.shadow'
apply plugin: 'maven-publish'
apply plugin: 'signing'

group = 'com.example'
version = '1.1.0'

description = "example"

sourceCompatibility = 1.8
targetCompatibility = 1.8

repositories {   
     maven { url "http://repo.maven.apache.org/maven2" }
}

dependencies {
    compile group: 'com.fasterxml.jackson.core', name: 'jackson-databind', version:'2.9.6'
    compile group: 'com.fasterxml.jackson.core', name: 'jackson-core', version:'2.9.6'
    compile group: 'com.fasterxml.jackson.core', name: 'jackson-annotations', version:'2.9.6'
    compile group: 'org.apache.httpcomponents', name: 'httpclient', version:'4.5.5'
    compile group: 'org.apache.httpcomponents', name: 'httpcore', version:'4.4.9'
    compile group: 'commons-io', name: 'commons-io', version:'2.6'
    compile group: 'org.apache.tika', name: 'tika-core', version:'1.18'
    testCompile group: 'junit', name: 'junit', version:'4.12'
}

task sourcesJar(type: Jar, dependsOn: classes) {
    classifier = 'sources'
    from sourceSets.main.allSource
}

task javadocJar(type: Jar, dependsOn: javadoc) {
    classifier = 'javadoc'
    from javadoc
}

publishing {
    artifacts {
        archives sourcesJar
        archives javadocJar
    }

    publications
    {
        mavenJava(MavenPublication) {
            from components.java
            artifact sourcesJar
            artifact javadocJar
            }
    }
    repositories {
        maven {
            url "${project.version.endsWith('-SNAPSHOT') ? 'https://oss.sonatype.org/content/repositories/snapshots' : 'https://oss.sonatype.org/service/local/staging/deploy/maven2/' }"
            credentials {
                username sonatypeUsername
                password sonatypePassword
            }
        }
    }
}

signing 
{
    sign publishing.publications.mavenJava
}

报价以强调：

您可能不将其与此窗口中的3D或渲染API结合。

Answer 2

surface = SDL_GetWindowSurface(window);
renderer = SDL_CreateSoftwareRenderer(surface);
if (!renderer) {
    SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Render creation for surface fail : %s\n",SDL_GetError());
    return 1;
}

具有SDL_CreateRenderer的SDL_GetWindowSurface

2 个答案: