GL_LIGHTING_BIT GL_COLOR_MATERIAL启用位 GL_COLOR_MATERIAL_FACE值 跟踪当前颜色的颜色材料参数 环境场景颜色 GL_LIGHT_MODEL_LOCAL_VIEWER值 GL_LIGHT_MODEL_TWO_SIDE设置 GL_LIGHTING启用位 为每盏灯启用位 每种光线的环境、漫射和反射强度 每个光的方向、位置、指数和截止角度 ...
这个临时的范围值与上文中GL_SAMPLE_ALPHA_TO_COVERAGE描述的范围值的确定方式相同。但是作为GL_SAMPLE_COVERAGE_VALUE的值的功能,如果GL_SAMPLE_COVERAGE_VALUE为GL_TRUE,在它与片段范围值进行与运算前,这个临时的范围值是倒置的(所以bit的值都是倒置的),详见glSampleCoverage。 GL_SCISSOR_TEST——如果启用,丢弃裁...
这些储存在G缓冲中的几何信息将会用来做之后的光照计算。 第二个光照处理阶段(Lighting Pass)是对G缓冲中的几何数据的每一个片段进行光照计算。光照处理阶段不是直接将每个对象从顶点着色器带到片段着色器,而是对G缓冲中的每个像素进行迭代,从对应的G缓冲纹理获取输入变量。 延迟着色伪代码: // g-buffer passforeac...
GL_LIGHTINGTheparamsparameter returns a single Boolean value indicating whether lighting is enabled. SeeglLightModel. GL_LIGHT_MODEL_AMBIENTTheparamsparameter returns four values: the red, green, blue, and alpha components of the ambient intensity of the entire scene. Integer values, if requested, ar...
BitsGlImplementationColorReadFormatOesGlImplementationColorReadTypeOesGlIncrGlInvalidEnumGlInvalidOperationGlInvalidValueGlInvertGlKeepGlLequalGlLessGlLightModelAmbientGlLightModelTwoSideGlLight0GlLight1GlLight2GlLight3GlLight4GlLight5GlLight6GlLight7GlLightingGlLineLoopGlLineSmoothGlLineSmoothHintGlLineStripGlLinearGl...
- (void)render { glClear(GL_COLOR_BUFFER_BIT); // This function runs slowly! int pointCount = 1000; // fyi... // typedef struct { // CGPoint point; // CFTimeInterval time; // GLubyte r, g, b, a; // GLfloat size; // } MyPoint; glBufferData(GL_ARRAY_BUFFER, sizeof(MyPo...
clear(gl.COLOR_BUFFER_BIT); // 画的是一个正方形 drawTextureCube(gl, canvas) }) 代码语言:javascript 代码运行次数:0 运行 AI代码解释 import { mat4 } from '../../lib/gl-matrix' var cubeRotation = 0.0; // Start here // function drawTextureCube(gl,canvas) { const vsSource = ` ...
BitsGlImplementationColorReadFormatOesGlImplementationColorReadTypeOesGlIncrGlInvalidEnumGlInvalidOperationGlInvalidValueGlInvertGlKeepGlLequalGlLessGlLightModelAmbientGlLightModelTwoSideGlLight0GlLight1GlLight2GlLight3GlLight4GlLight5GlLight6GlLight7GlLightingGlLineLoopGlLineSmoothGlLineSmoothHintGlLineStripGlLinearGl...
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