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- {
- "__type__": "cc.EffectAsset",
- "_name": "builtin-2d-graphics",
- "_objFlags": 0,
- "_native": "",
- "properties": null,
- "techniques": [
- {
- "passes": [
- {
- "blendState": {
- "targets": [
- {
- "blend": true,
- "blendSrc": 1,
- "blendDst": 771,
- "blendSrcAlpha": 1,
- "blendDstAlpha": 771
- }
- ]
- },
- "rasterizerState": {
- "cullMode": 0
- },
- "properties": {
- "alphaThreshold": {
- "value": [
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- ],
- "type": 13
- }
- },
- "program": "builtin-2d-graphics|vs|fs"
- }
- ]
- }
- ],
- "shaders": [
- {
- "hash": 550349795,
- "glsl3": {
- "vert": "\nprecision highp float;\nuniform CCGlobal {\n mat4 cc_matView;\n mat4 cc_matViewInv;\n mat4 cc_matProj;\n mat4 cc_matProjInv;\n mat4 cc_matViewProj;\n mat4 cc_matViewProjInv;\n vec4 cc_cameraPos;\n vec4 cc_time;\n mediump vec4 cc_screenSize;\n mediump vec4 cc_screenScale;\n};\nuniform CCLocal {\n mat4 cc_matWorld;\n mat4 cc_matWorldIT;\n};\nin vec3 a_position;\nin vec4 a_color;\nout vec4 v_color;\nin float a_dist;\nout float v_dist;\nvoid main () {\n vec4 pos = vec4(a_position, 1);\n pos = cc_matViewProj * cc_matWorld * pos;\n v_color = a_color;\n v_dist = a_dist;\n gl_Position = pos;\n}",
- "frag": "\n#if CC_SUPPORT_standard_derivatives\n #extension GL_OES_standard_derivatives : enable\n#endif\nprecision highp float;\n#if USE_ALPHA_TEST\n uniform ALPHA_TEST {\n float alphaThreshold;\n };\n#endif\nvoid ALPHA_TEST (in vec4 color) {\n #if USE_ALPHA_TEST\n if (color.a < alphaThreshold) discard;\n #endif\n}\nvoid ALPHA_TEST (in float alpha) {\n #if USE_ALPHA_TEST\n if (alpha < alphaThreshold) discard;\n #endif\n}\nin vec4 v_color;\nin float v_dist;\nvoid main () {\n vec4 o = v_color;\n ALPHA_TEST(o);\n #if CC_SUPPORT_standard_derivatives\n float aa = fwidth(v_dist);\n #else\n float aa = 0.05;\n #endif\n float alpha = 1. - smoothstep(-aa, 0., abs(v_dist) - 1.0);\n o.rgb *= o.a;\n o *= alpha;\n gl_FragColor = o;\n}"
- },
- "glsl1": {
- "vert": "\nprecision highp float;\nuniform mat4 cc_matViewProj;\nuniform mat4 cc_matWorld;\nattribute vec3 a_position;\nattribute vec4 a_color;\nvarying vec4 v_color;\nattribute float a_dist;\nvarying float v_dist;\nvoid main () {\n vec4 pos = vec4(a_position, 1);\n pos = cc_matViewProj * cc_matWorld * pos;\n v_color = a_color;\n v_dist = a_dist;\n gl_Position = pos;\n}",
- "frag": "\n#if CC_SUPPORT_standard_derivatives\n #extension GL_OES_standard_derivatives : enable\n#endif\nprecision highp float;\n#if USE_ALPHA_TEST\n uniform float alphaThreshold;\n#endif\nvoid ALPHA_TEST (in vec4 color) {\n #if USE_ALPHA_TEST\n if (color.a < alphaThreshold) discard;\n #endif\n}\nvoid ALPHA_TEST (in float alpha) {\n #if USE_ALPHA_TEST\n if (alpha < alphaThreshold) discard;\n #endif\n}\nvarying vec4 v_color;\nvarying float v_dist;\nvoid main () {\n vec4 o = v_color;\n ALPHA_TEST(o);\n #if CC_SUPPORT_standard_derivatives\n float aa = fwidth(v_dist);\n #else\n float aa = 0.05;\n #endif\n float alpha = 1. - smoothstep(-aa, 0., abs(v_dist) - 1.0);\n o.rgb *= o.a;\n o *= alpha;\n gl_FragColor = o;\n}"
- },
- "builtins": {
- "globals": {
- "blocks": [
- {
- "name": "CCGlobal",
- "defines": []
- }
- ],
- "samplers": []
- },
- "locals": {
- "blocks": [
- {
- "name": "CCLocal",
- "defines": []
- }
- ],
- "samplers": []
- }
- },
- "defines": [
- {
- "name": "CC_SUPPORT_standard_derivatives",
- "type": "boolean",
- "defines": []
- },
- {
- "name": "USE_ALPHA_TEST",
- "type": "boolean",
- "defines": []
- }
- ],
- "blocks": [
- {
- "name": "ALPHA_TEST",
- "members": [
- {
- "name": "alphaThreshold",
- "type": 13,
- "count": 1
- }
- ],
- "defines": [
- "USE_ALPHA_TEST"
- ],
- "binding": 0
- }
- ],
- "samplers": [],
- "record": null,
- "name": "builtin-2d-graphics|vs|fs"
- }
- ]
- }
|