Opengl4.5 中文手册—U

Posted 2020-10-08 wiki3D

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U

glUniform 2.0

设置uniform变量

存在多个版本，数组类型可使用count指定数组个数，矩阵版本可指定是否需要转置

glUniformBlockBinding 3.1

绑定uniform块

GLuint program,

GLuint uniformBlockIndex, uniform块索引

GLuint uniformBlockBinding uniform缓冲区绑定索引

 

缓冲区通过glBindBufferBase(GL_UNIFORM_BUFFER, uniformBlockBinding)绑定

glUniformSubroutinesuiv 4.0

GLenum shadertype, :G L_VERTEX_SHADER, GL_TESS_CONTROL_SHADER, GL_TESS_EVALUATION_SHADER, GL_GEOMETRY_SHADER or GL_FRAGMENT_SHADER

GLsizei count,

const GLuint *indices

glUnmapBuffer 2.0

释放缓冲区映射

GLenum target

glUseProgram 2.0

glUseProgramStages 4.1

将程序绑定到管线对象

GLuint pipeline,

 GLbitfield stages, GL_VERTEX_SHADER_BIT, GL_TESS_CONTROL_SHADER_BIT, GL_TESS_EVALUATION_SHADER_BIT, GL_GEOMETRY_SHADER_BIT, GL_FRAGMENT_SHADER_BIT and GL_COMPUTE_SHADER_BIT. Additionally, the special value GL_ALL_SHADER_BITS

      GLuint program