尝试在JOGL
中初始化一些着色器。
为什么错误为空的任何想法?我检查它的大小,它看起来大于0,因为没有打印"Unknown"
。
vertexShaderProgram = gl.glCreateShader(GL2.GL_VERTEX_SHADER);
fragmentShaderProgram = gl.glCreateShader(GL2.GL_FRAGMENT_SHADER);
gl.glShaderSource(vertexShaderProgram, 1, vsrc, null, 0);
gl.glCompileShader(vertexShaderProgram);
gl.glShaderSource(fragmentShaderProgram, 1, fsrc, null, 0);
gl.glCompileShader(fragmentShaderProgram);
shaderprogram = gl.glCreateProgram();
gl.glAttachShader(shaderprogram, vertexShaderProgram);
gl.glAttachShader(shaderprogram, fragmentShaderProgram);
gl.glLinkProgram(shaderprogram);
gl.glValidateProgram(shaderprogram);
IntBuffer intBuffer = IntBuffer.allocate(1);
gl.glGetProgramiv(shaderprogram, GL2.GL_LINK_STATUS, intBuffer);
System.out.println("got link status");
if (intBuffer.get(0) != 1) {
gl.glGetProgramiv(shaderprogram, GL2.GL_INFO_LOG_LENGTH, intBuffer);
int size = intBuffer.get(0);
System.err.println("Program link error: ");
if (size > 0) {
ByteBuffer byteBuffer = ByteBuffer.allocate(size);
gl.glGetProgramInfoLog(shaderprogram, size, intBuffer, byteBuffer);
for (byte b: byteBuffer.array()) {
System.err.print((char) b);
}
} else {
System.out.println("Unknown");
}
System.exit(1);
}
我在控制台上收到错误,但不包含数据..
got link status
Program link error:
这是我的片段着色器..
< FILE :: fragmentShader.txt >
uniform sampler2D fish_y_offset;
uniform float alphavalue;
void main()
{
gl_FragColor = texture2D(fish_y_offset, gl_TexCoord[0].st);
gl_FragColor.a=alphavalue;
}
这是我的顶点着色器..
< FILE :: vertextShader.txt >
uniform float waveTime;
uniform float waveWidth;
uniform float waveHeight;
void main(void)
{
vec4 v = vec4(gl_Vertex);
v.y = 11 + sin(waveWidth * v.x + waveTime) * cos(waveWidth * v.z + waveTime) * waveHeight;
gl_Position = gl_ModelViewProjectionMatrix * v;
gl_TexCoord[0] = gl_MultiTexCoord0;
}
答案 0 :(得分:2)