GLuint?_program = glCreateProgram(); //create shader program

?

GLuint vertShader, fragShader;//頂點著色器，片段著色器(像素著色器)

vertShader= glCreateShader(GL_VERTEX_SHADER);
glShaderSource(vertShader, 1, sourceVert, NULL);//載入頂點著色器代碼到頂點著色器中
glCompileShader(vertShader);　　　　　　　　　 ? //編譯這個著色器

?

fragShader= glCreateShader(GL_FRAGMENT_SHADER);
glShaderSource(fragShader, 1, sourceFrag, NULL);
glCompileShader(fragShader);

?

glAttachShader(_program, vertShader);
glAttachShader(_program, fragShader);

?

// Bind attribute locations.
// This needs to be done prior to linking.
glBindAttribLocation(_program, GLKVertexAttribPosition, "position");
glBindAttribLocation(_program, GLKVertexAttribColor, "color");
glBindAttribLocation(_program, GLKVertexAttribNormal, "a_normal");

?

glLinkProgram(_program?);

?

// Get uniform locations.
uniforms[UNIFORM_MODELVIEWPROJECTION_MATRIX] = glGetUniformLocation(_program, "modelViewProjectionMatrix");
uniforms[UNIFORM_NORMAL_MATRIX] = glGetUniformLocation(_program, "normalMatrix");
uniforms[UNIFORM_COLOR_MATRIX] = glGetUniformLocation(_program, "colorMatrix");

轉載于:https://www.cnblogs.com/quansir/p/5525795.html

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