初始化

engine/cocos2d/renderer/enums.js

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+// Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
+
+import { typeMap } from './build/mappings'
+
+export default {
+  // projection
+  PROJ_PERSPECTIVE: 0,
+  PROJ_ORTHO: 1,
+
+  // lights
+  LIGHT_DIRECTIONAL: 0,
+  LIGHT_POINT: 1,
+  LIGHT_SPOT: 2,
+  LIGHT_AMBIENT: 3,
+
+  // shadows
+  SHADOW_NONE: 0,
+  SHADOW_HARD: 1,
+  SHADOW_SOFT: 2,
+
+  // parameter type
+  PARAM_INT:             typeMap.int,
+  PARAM_INT2:            typeMap.ivec2,
+  PARAM_INT3:            typeMap.ivec3,
+  PARAM_INT4:            typeMap.ivec4,
+  PARAM_FLOAT:           typeMap.float,
+  PARAM_FLOAT2:          typeMap.vec2,
+  PARAM_FLOAT3:          typeMap.vec3,
+  PARAM_FLOAT4:          typeMap.vec4,
+  PARAM_MAT2:            typeMap.mat2,
+  PARAM_MAT3:            typeMap.mat3,
+  PARAM_MAT4:            typeMap.mat4,
+  PARAM_TEXTURE_2D:      typeMap.sampler2D,
+  PARAM_TEXTURE_CUBE:    typeMap.samplerCube,
+
+  // clear flags
+  CLEAR_COLOR: 1,
+  CLEAR_DEPTH: 2,
+  CLEAR_STENCIL: 4,
+  CLEAR_SKYBOX: 8,
+
+  //
+  BUFFER_VIEW_INT8: 0,
+  BUFFER_VIEW_UINT8: 1,
+  BUFFER_VIEW_INT16: 2,
+  BUFFER_VIEW_UINT16: 3,
+  BUFFER_VIEW_INT32: 4,
+  BUFFER_VIEW_UINT32: 5,
+  BUFFER_VIEW_FLOAT32: 6,
+};