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Creator 版本：3.8
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目标平台：
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重现方式：
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首个报错：
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之前哪个版本是正常的：
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手机型号：
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手机浏览器：
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编辑器操作系统：
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重现概率：
刚接触shader，想在第二个pass中获取第一个pass处理完后的sampler2D再进行处理，但是发现只有第一个pass的效果实现了
// Copyright © 2017-2020 Xiamen Yaji Software Co., Ltd.
CCEffect %{
techniques:
- passes:
- vert: sprite-vs:vert
frag: sprite-fs:frag
- vert: blur-vs:vertBlur
frag: blur-fs:fragBlur1
- vert: blur-vs:vertBlur
frag: blur-fs:fragBlur2
}%
CCProgram sprite-vs %{
precision highp float;
#include <builtin/uniforms/cc-global>
in vec3 a_position;
in vec2 a_texCoord;
in vec4 a_color;
out vec4 color;
out vec2 uv0;
vec4 vert () {
vec4 pos = vec4(a_position, 1);
pos = cc_matViewProj * pos;
color = a_color;
uv0 = a_texCoord;
return pos;
}
}%
CCProgram sprite-fs %{
precision highp float;
#include <builtin/internal/embedded-alpha>
#include <builtin/internal/alpha-test>
in vec4 color;
in vec2 uv0;
#if USE_TEXTURE
#pragma builtin(local)
layout(set = 2, binding = 12) uniform sampler2D cc_spriteTexture;
#endif
float luminance(vec4 o) {
return 0.2125 * o.r + 0.7154 * o.g + 0.0721 * o.b;
}
vec4 frag () {
vec4 o = vec4(1, 1, 1, 1);
#if USE_TEXTURE
o *= CCSampleWithAlphaSeparated(cc_spriteTexture, uv0);
#endif
float val = clamp(luminance(o) - 0.3, 0.0, 1.0);
o *= color;
o *= val;
ALPHA_TEST(o);
return o;
}
}%
CCProgram blur-vs %{
precision highp float;
#include <builtin/uniforms/cc-global>
in vec3 a_position;
in vec2 a_texCoord;
in vec4 a_color;
out vec4 color;
out vec2 uv0;
out vec4 uv01;
out vec4 uv23;
vec4 vertBlur () {
vec4 pos = vec4(a_position, 1);
pos = cc_matViewProj * pos;
color = a_color;
uv0 = a_texCoord;
uv01 = vec4(a_texCoord.x - 1.0 / 842.0, a_texCoord.y - 1.0 / 550.0, a_texCoord.x + 1.0 / 842.0, a_texCoord.y + 1.0 / 550.0);
uv23 = vec4(a_texCoord.x - 2.0 / 842.0, a_texCoord.y - 2.0 / 550.0, a_texCoord.x + 2.0 / 842.0, a_texCoord.y + 2.0 / 550.0);
return pos;
}
}%
CCProgram blur-fs %{
precision highp float;
#include <embedded-alpha>
#include <alpha-test>
in vec4 pos0;
#if USE_TEXTURE
in vec2 uv0;
#pragma builtin(local)
layout(set = 2, binding = 11) uniform sampler2D cc_spriteTexture;
#endif
vec4 fragBlur1 () {
#if USE_TEXTURE
vec2 tex_offset = vec2(1.0 / 842.0, 1.0 / 550.0);
vec3 result = texture(cc_spriteTexture, uv0).rgb * 0.227027;
result += texture(cc_spriteTexture, uv0 + vec2(tex_offset.x * 1.0, 0.0)).rgb * 0.1945946;
result += texture(cc_spriteTexture, uv0 - vec2(tex_offset.x * 1.0, 0.0)).rgb * 0.1945946;
result += texture(cc_spriteTexture, uv0 + vec2(tex_offset.x * 2.0, 0.0)).rgb * 0.1216216;
result += texture(cc_spriteTexture, uv0 - vec2(tex_offset.x * 2.0, 0.0)).rgb * 0.1216216;
result += texture(cc_spriteTexture, uv0 + vec2(tex_offset.x * 3.0, 0.0)).rgb * 0.054054;
result += texture(cc_spriteTexture, uv0 - vec2(tex_offset.x * 3.0, 0.0)).rgb * 0.054054;
result += texture(cc_spriteTexture, uv0 + vec2(tex_offset.x * 4.0, 0.0)).rgb * 0.016216;
result += texture(cc_spriteTexture, uv0 - vec2(tex_offset.x * 4.0, 0.0)).rgb * 0.016216;
vec4 FragColor = vec4(result, 1.0);
ALPHA_TEST(FragColor);
return FragColor;
#else
return vec4(1.0);
#endif
}
vec4 fragBlur2 () {
#if USE_TEXTURE
vec2 tex_offset = vec2(1.0 / 842.0, 1.0 / 550.0);
vec3 result = texture(cc_spriteTexture, uv0).rgb * 0.227027;
result += texture(cc_spriteTexture, uv0 + vec2(0.0, tex_offset.x * 1.0)).rgb * 0.1945946;
result += texture(cc_spriteTexture, uv0 - vec2(0.0, tex_offset.x * 1.0)).rgb * 0.1945946;
result += texture(cc_spriteTexture, uv0 + vec2(0.0, tex_offset.x * 2.0)).rgb * 0.1216216;
result += texture(cc_spriteTexture, uv0 - vec2(0.0, tex_offset.x * 2.0)).rgb * 0.1216216;
result += texture(cc_spriteTexture, uv0 + vec2(0.0, tex_offset.x * 3.0)).rgb * 0.054054;
result += texture(cc_spriteTexture, uv0 - vec2(0.0, tex_offset.x * 3.0)).rgb * 0.054054;
result += texture(cc_spriteTexture, uv0 + vec2(0.0, tex_offset.x * 4.0)).rgb * 0.016216;
result += texture(cc_spriteTexture, uv0 - vec2(0.0, tex_offset.x * 4.0)).rgb * 0.016216;
vec4 FragColor = vec4(result, 1.0);
ALPHA_TEST(FragColor);
return FragColor;
#else
return vec4(1.0);
#endif
}
}%
