|
|
|
|
R"(
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#if VER <= 300
|
|
|
|
|
#define layout(x)
|
|
|
|
|
#endif
|
|
|
|
|
#if VER < 300
|
|
|
|
|
#define out attribute
|
|
|
|
|
#define in varying
|
|
|
|
|
#define texture texture2D
|
|
|
|
|
#endif
|
|
|
|
|
#if version >= 130
|
|
|
|
|
precision mediump float;
|
|
|
|
|
#endif
|
|
|
|
|
#if ATTR_TEXCOORD0
|
|
|
|
|
layout(location = 5) uniform sampler2D uTex0;
|
|
|
|
|
#endif
|
|
|
|
|
#if ATTR_TEXCOORD1
|
|
|
|
|
layout(location = 6) uniform sampler2D uTex1;
|
|
|
|
|
#endif
|
|
|
|
|
#if FEAT_ALPHA_TEST
|
|
|
|
|
uniform float uAlphaTest;
|
|
|
|
|
#endif
|
|
|
|
|
#if FEAT_FOG
|
|
|
|
|
uniform vec4 uFog;
|
|
|
|
|
#endif
|
|
|
|
|
layout(location = 2) uniform vec4 uColor;
|
|
|
|
|
#if ATTR_COLOR
|
|
|
|
|
in vec4 vColor;
|
|
|
|
|
#endif
|
|
|
|
|
#if ATTR_TEXCOORD0
|
|
|
|
|
in vec2 vTexCoord0;
|
|
|
|
|
#endif
|
|
|
|
|
#if ATTR_TEXCOORD1
|
|
|
|
|
in vec2 vTexCoord1;
|
|
|
|
|
#endif
|
|
|
|
|
#if ATTR_NORMAL
|
|
|
|
|
in vec2 vNormal;
|
|
|
|
|
#endif
|
|
|
|
|
#if VER >= 300
|
|
|
|
|
out vec4 oFragColor;
|
|
|
|
|
#else
|
|
|
|
|
#define oFragColor gl_FragColor
|
|
|
|
|
#endif
|
|
|
|
|
void main()
|
|
|
|
|
{
|
|
|
|
|
#if ATTR_COLOR
|
|
|
|
|
vec4 c = vColor;
|
|
|
|
|
#else
|
|
|
|
|
vec4 c = uColor;
|
|
|
|
|
#endif
|
|
|
|
|
#if ATTR_TEXCOORD0
|
|
|
|
|
c = c * texture(uTex0, vTexCoord0);
|
|
|
|
|
#endif
|
|
|
|
|
#if ATTR_TEXCOORD1
|
|
|
|
|
c = c * texture(uTex1, vTexCoord1);
|
|
|
|
|
#endif
|
|
|
|
|
#if FEAT_ALPHA_TEST
|
|
|
|
|
if(c.a <= uAlphaTest)
|
|
|
|
|
discard;
|
|
|
|
|
#endif
|
|
|
|
|
#if FEAT_FOG
|
|
|
|
|
float fogDist = gl_FragCoord.z / gl_FragCoord.w;
|
|
|
|
|
float fogRate = clamp(exp(-uFog.w * fogDist), 0.f, 1.f);
|
|
|
|
|
c.rgb = mix(uFog.rgb, c.rgb, fogRate);
|
|
|
|
|
#endif
|
|
|
|
|
oFragColor = c;
|
|
|
|
|
}
|
|
|
|
|
)"
|
