attribute highp vec3 rv_Position;
uniform highp mat4 u_ModelViewProjectionMatrix;
uniform highp float u_Opacity;
uniform highp vec3 u_color;
varying highp vec4 outColor;
void main(void)
{
gl_Position = u_ModelViewProjectionMatrix * vec4(rv_Position,1);
outColor = vec4(u_color, u_Opacity);
}
由以下draw
函数调用:
void Plane::draw() { glCullFace(GL_BACK); glFrontFace(GL_CCW); glPolygonMode(GL_FRONT_AND_BACK, GL_FILL); m_program.bind(); m_vao.bind(); QMatrix4x4 matrix; matrix = m_camera->projectionMatrix() * m_camera->viewMatrix() * this->modelMatrix(); m_program.setUniformValue("u_ModelViewProjectionMatrix", matrix); m_program.setUniformValue("u_Opacity", m_opacity); m_program.setUniformValue("u_color", m_globalColor); glDrawElements(GL_TRIANGLES, 4, GL_UNSIGNED_INT, nullptr); m_vao.release(); m_program.release(); }
所有成员m_something
均已初始化好。运行程序时,出现此错误消息:
这不提供信息。可能是什么原因?
.qrc
)中。添加它可以修复错误。