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[vertex]
layout(location=0) in highp vec2 vertex;
layout(location=3) in vec4 color_attrib;
#ifdef USE_TEXTURE_RECT
layout(location=1) in highp vec4 dst_rect;
layout(location=2) in highp vec4 src_rect;
#else
layout(location=4) in highp vec2 uv_attrib;
//skeletn
#endif
layout(std140) uniform CanvasItemData { //ubo:0
highp mat4 projection_matrix;
highp vec4 time;
};
uniform highp mat4 modelview_matrix;
uniform highp mat4 extra_matrix;
out mediump vec2 uv_interp;
out mediump vec4 color_interp;
#ifdef USE_LIGHTING
layout(std140) uniform LightData { //ubo:1
//light matrices
highp mat4 light_matrix;
highp mat4 light_local_matrix;
highp mat4 shadow_matrix;
highp vec4 light_color;
highp vec4 light_shadow_color;
highp vec2 light_pos;
highp float shadowpixel_size;
highp float shadow_gradient;
highp float light_height;
highp float light_outside_alpha;
highp float shadow_distance_mult;
};
out vec4 light_uv_interp;
#if defined(NORMAL_USED)
out vec4 local_rot;
#endif
#ifdef USE_SHADOWS
out highp vec2 pos;
#endif
#endif
VERTEX_SHADER_GLOBALS
#if defined(USE_MATERIAL)
layout(std140) uniform UniformData { //ubo:2
MATERIAL_UNIFORMS
};
#endif
void main() {
vec4 vertex_color = color_attrib;
#ifdef USE_TEXTURE_RECT
uv_interp = src_rect.xy + abs(src_rect.zw) * vertex;
highp vec4 outvec = vec4(dst_rect.xy + dst_rect.zw * mix(vertex,vec2(1.0,1.0)-vertex,lessThan(src_rect.zw,vec2(0.0,0.0))),0.0,1.0);
#else
uv_interp = uv_attrib;
highp vec4 outvec = vec4(vertex,0.0,1.0);
#endif
{
vec2 src_vtx=outvec.xy;
VERTEX_SHADER_CODE
}
#if !defined(SKIP_TRANSFORM_USED)
outvec = extra_matrix * outvec;
outvec = modelview_matrix * outvec;
#endif
color_interp = vertex_color;
#ifdef USE_PIXEL_SNAP
outvec.xy=floor(outvec+0.5);
#endif
gl_Position = projection_matrix * outvec;
#ifdef USE_LIGHTING
light_uv_interp.xy = (light_matrix * outvec).xy;
light_uv_interp.zw =(light_local_matrix * outvec).xy;
#ifdef USE_SHADOWS
pos=outvec.xy;
#endif
#if defined(NORMAL_USED)
local_rot.xy=normalize( (modelview_matrix * ( extra_matrix * vec4(1.0,0.0,0.0,0.0) )).xy );
local_rot.zw=normalize( (modelview_matrix * ( extra_matrix * vec4(0.0,1.0,0.0,0.0) )).xy );
#ifdef USE_TEXTURE_RECT
local_rot.xy*=sign(src_rect.z);
local_rot.zw*=sign(src_rect.w);
#endif
#endif
#endif
}
[fragment]
uniform mediump sampler2D color_texture; // texunit:0
uniform highp vec2 color_texpixel_size;
in mediump vec2 uv_interp;
in mediump vec4 color_interp;
#if defined(SCREEN_TEXTURE_USED)
uniform sampler2D screen_texture; // texunit:-3
#endif
layout(std140) uniform CanvasItemData {
highp mat4 projection_matrix;
highp vec4 time;
};
#ifdef USE_LIGHTING
layout(std140) uniform LightData {
highp mat4 light_matrix;
highp mat4 light_local_matrix;
highp mat4 shadow_matrix;
highp vec4 light_color;
highp vec4 light_shadow_color;
highp vec2 light_pos;
highp float shadowpixel_size;
highp float shadow_gradient;
highp float light_height;
highp float light_outside_alpha;
highp float shadow_distance_mult;
};
uniform lowp sampler2D light_texture; // texunit:-1
in vec4 light_uv_interp;
#if defined(NORMAL_USED)
in vec4 local_rot;
#endif
#ifdef USE_SHADOWS
uniform highp sampler2D shadow_texture; // texunit:-2
in highp vec2 pos;
#endif
#endif
uniform mediump vec4 final_modulate;
FRAGMENT_SHADER_GLOBALS
layout(location=0) out mediump vec4 frag_color;
#if defined(USE_MATERIAL)
layout(std140) uniform UniformData {
MATERIAL_UNIFORMS
};
#endif
void light_compute(inout vec3 light,vec3 light_vec,float light_height,vec4 light_color,vec2 light_uv,vec4 shadow,vec3 normal,vec2 uv,vec2 screen_uv,vec4 color) {
#if defined(USE_LIGHT_SHADER_CODE)
LIGHT_SHADER_CODE
#endif
}
void main() {
vec4 color = color_interp;
#if defined(NORMAL_USED)
vec3 normal = vec3(0.0,0.0,1.0);
#endif
#if !defined(COLOR_USED)
//default behavior, texture by color
#ifdef USE_DISTANCE_FIELD
const float smoothing = 1.0/32.0;
float distance = texture(color_texture, uv_interp).a;
color.a = smoothstep(0.5 - smoothing, 0.5 + smoothing, distance) * color.a;
#else
color *= texture( color_texture, uv_interp );
#endif
#endif
#if defined(ENABLE_SCREEN_UV)
vec2 screen_uv = gl_FragCoord.xy*screen_uv_mult;
#endif
{
float normal_depth=1.0;
#if defined(NORMALMAP_USED)
vec3 normal_map=vec3(0.0,0.0,1.0);
#endif
FRAGMENT_SHADER_CODE
#if defined(NORMALMAP_USED)
normal = mix(vec3(0.0,0.0,1.0), normal_map * vec3(2.0,-2.0,1.0) - vec3( 1.0, -1.0, 0.0 ), normal_depth );
#endif
}
#ifdef DEBUG_ENCODED_32
highp float enc32 = dot( color,highp vec4(1.0 / (256.0 * 256.0 * 256.0),1.0 / (256.0 * 256.0),1.0 / 256.0,1) );
color = vec4(vec3(enc32),1.0);
#endif
color*=final_modulate;
#ifdef USE_LIGHTING
vec2 light_vec = light_uv_interp.zw;; //for shadow and normal mapping
#if defined(NORMAL_USED)
normal.xy = mat2(local_rot.xy,local_rot.zw) * normal.xy;
#endif
float att=1.0;
vec2 light_uv = light_uv_interp.xy;
vec4 light = texture(light_texture,light_uv) * light_color;
#if defined(SHADOW_COLOR_USED)
vec4 shadow_color=vec4(0.0,0.0,0.0,0.0);
#endif
if (any(lessThan(light_uv_interp.xy,vec2(0.0,0.0))) || any(greaterThanEqual(light_uv_interp.xy,vec2(1.0,1.0)))) {
color.a*=light_outside_alpha; //invisible
} else {
#if defined(USE_LIGHT_SHADER_CODE)
//light is written by the light shader
light_compute(light,light_vec,light_height,light_color,light_uv,shadow,normal,uv,screen_uv,color);
#else
#if defined(NORMAL_USED)
vec3 light_normal = normalize(vec3(light_vec,-light_height));
light*=max(dot(-light_normal,normal),0.0);
#endif
color*=light;
/*
#ifdef USE_NORMAL
color.xy=local_rot.xy;//normal.xy;
color.zw=vec2(0.0,1.0);
#endif
*/
//light shader code
#endif
#ifdef USE_SHADOWS
float angle_to_light = -atan(light_vec.x,light_vec.y);
float PI = 3.14159265358979323846264;
/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
float ang*/
float su,sz;
float abs_angle = abs(angle_to_light);
vec2 point;
float sh;
if (abs_angle<45.0*PI/180.0) {
point = light_vec;
sh=0.0+(1.0/8.0);
} else if (abs_angle>135.0*PI/180.0) {
point = -light_vec;
sh = 0.5+(1.0/8.0);
} else if (angle_to_light>0.0) {
point = vec2(light_vec.y,-light_vec.x);
sh = 0.25+(1.0/8.0);
} else {
point = vec2(-light_vec.y,light_vec.x);
sh = 0.75+(1.0/8.0);
}
highp vec4 s = shadow_matrix * vec4(point,0.0,1.0);
s.xyz/=s.w;
su=s.x*0.5+0.5;
sz=s.z*0.5+0.5;
//sz=lightlength(light_vec);
highp float shadow_attenuation=0.0;
#ifdef USE_RGBA_SHADOWS
#define SHADOW_DEPTH(m_tex,m_uv) dot(texture2D((m_tex),(m_uv)),vec4(1.0 / (256.0 * 256.0 * 256.0),1.0 / (256.0 * 256.0),1.0 / 256.0,1) )
#else
#define SHADOW_DEPTH(m_tex,m_uv) (texture2D((m_tex),(m_uv)).r)
#endif
#ifdef SHADOW_USE_GRADIENT
#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture,vec2(m_ofs,sh)); shadow_attenuation+=1.0-smoothstep(sd,sd+shadow_gradient,sz); }
#else
#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture,vec2(m_ofs,sh)); shadow_attenuation+=step(sz,sd); }
#endif
#ifdef SHADOW_FILTER_NEAREST
SHADOW_TEST(su);
#endif
#ifdef SHADOW_FILTER_PCF3
SHADOW_TEST(su+shadowpixel_size);
SHADOW_TEST(su);
SHADOW_TEST(su-shadowpixel_size);
shadow_attenuation/=3.0;
#endif
#ifdef SHADOW_FILTER_PCF5
SHADOW_TEST(su+shadowpixel_size*3.0);
SHADOW_TEST(su+shadowpixel_size*2.0);
SHADOW_TEST(su+shadowpixel_size);
SHADOW_TEST(su);
SHADOW_TEST(su-shadowpixel_size);
SHADOW_TEST(su-shadowpixel_size*2.0);
SHADOW_TEST(su-shadowpixel_size*3.0);
shadow_attenuation/=5.0;
#endif
#ifdef SHADOW_FILTER_PCF9
SHADOW_TEST(su+shadowpixel_size*4.0);
SHADOW_TEST(su+shadowpixel_size*3.0);
SHADOW_TEST(su+shadowpixel_size*2.0);
SHADOW_TEST(su+shadowpixel_size);
SHADOW_TEST(su);
SHADOW_TEST(su-shadowpixel_size);
SHADOW_TEST(su-shadowpixel_size*2.0);
SHADOW_TEST(su-shadowpixel_size*3.0);
SHADOW_TEST(su-shadowpixel_size*4.0);
shadow_attenuation/=9.0;
#endif
#ifdef SHADOW_FILTER_PCF13
SHADOW_TEST(su+shadowpixel_size*6.0);
SHADOW_TEST(su+shadowpixel_size*5.0);
SHADOW_TEST(su+shadowpixel_size*4.0);
SHADOW_TEST(su+shadowpixel_size*3.0);
SHADOW_TEST(su+shadowpixel_size*2.0);
SHADOW_TEST(su+shadowpixel_size);
SHADOW_TEST(su);
SHADOW_TEST(su-shadowpixel_size);
SHADOW_TEST(su-shadowpixel_size*2.0);
SHADOW_TEST(su-shadowpixel_size*3.0);
SHADOW_TEST(su-shadowpixel_size*4.0);
SHADOW_TEST(su-shadowpixel_size*5.0);
SHADOW_TEST(su-shadowpixel_size*6.0);
shadow_attenuation/=13.0;
#endif
#if defined(SHADOW_COLOR_USED)
color=mix(shadow_color,color,shadow_attenuation);
#else
//color*=shadow_attenuation;
color=mix(light_shadow_color,color,shadow_attenuation);
#endif
//use shadows
#endif
}
//use lighting
#endif
//color.rgb*=color.a;
frag_color = color;
}
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