9b9a723c77
Add padding to UBO data to be multiple of 16 bytes Add precision definition for samplers Replace texture2D (deprecated) with texture in shaders
638 lines
13 KiB
GLSL
638 lines
13 KiB
GLSL
[vertex]
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layout(location=0) in highp vec2 vertex;
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layout(location=3) in vec4 color_attrib;
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#ifdef USE_TEXTURE_RECT
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uniform vec4 dst_rect;
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uniform vec4 src_rect;
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#else
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#ifdef USE_INSTANCING
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layout(location=8) in highp vec4 instance_xform0;
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layout(location=9) in highp vec4 instance_xform1;
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layout(location=10) in highp vec4 instance_xform2;
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layout(location=11) in lowp vec4 instance_color;
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#ifdef USE_INSTANCE_CUSTOM
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layout(location=12) in highp vec4 instance_custom_data;
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#endif
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#endif
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layout(location=4) in highp vec2 uv_attrib;
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//skeletn
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#endif
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uniform highp vec2 color_texpixel_size;
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layout(std140) uniform CanvasItemData { //ubo:0
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highp mat4 projection_matrix;
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highp float time;
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};
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uniform highp mat4 modelview_matrix;
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uniform highp mat4 extra_matrix;
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out mediump vec2 uv_interp;
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out mediump vec4 color_interp;
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#ifdef USE_NINEPATCH
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out highp vec2 pixel_size_interp;
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#endif
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#ifdef USE_LIGHTING
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layout(std140) uniform LightData { //ubo:1
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//light matrices
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highp mat4 light_matrix;
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highp mat4 light_local_matrix;
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highp mat4 shadow_matrix;
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highp vec4 light_color;
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highp vec4 light_shadow_color;
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highp vec2 light_pos;
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highp float shadowpixel_size;
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highp float shadow_gradient;
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highp float light_height;
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highp float light_outside_alpha;
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highp float shadow_distance_mult;
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};
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out vec4 light_uv_interp;
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out vec4 local_rot;
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#ifdef USE_SHADOWS
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out highp vec2 pos;
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#endif
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const bool at_light_pass = true;
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#else
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const bool at_light_pass = false;
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#endif
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#ifdef USE_PARTICLES
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uniform int h_frames;
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uniform int v_frames;
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#endif
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#if defined(USE_MATERIAL)
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layout(std140) uniform UniformData { //ubo:2
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MATERIAL_UNIFORMS
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};
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#endif
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VERTEX_SHADER_GLOBALS
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void main() {
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vec4 vertex_color = color_attrib;
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#ifdef USE_INSTANCING
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mat4 extra_matrix2 = extra_matrix * transpose(mat4(instance_xform0,instance_xform1,instance_xform2,vec4(0.0,0.0,0.0,1.0)));
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vertex_color*=instance_color;
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#else
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mat4 extra_matrix2 = extra_matrix;
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#endif
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#ifdef USE_TEXTURE_RECT
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uv_interp = src_rect.xy + abs(src_rect.zw) * vertex;
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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);
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#else
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uv_interp = uv_attrib;
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highp vec4 outvec = vec4(vertex,0.0,1.0);
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#endif
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#ifdef USE_PARTICLES
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//scale by texture size
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outvec.xy/=color_texpixel_size;
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//compute h and v frames and adjust UV interp for animation
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int total_frames = h_frames * v_frames;
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int frame = min(int(float(total_frames) *instance_custom_data.z),total_frames-1);
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float frame_w = 1.0/float(h_frames);
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float frame_h = 1.0/float(v_frames);
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uv_interp.x = uv_interp.x * frame_w + frame_w * float(frame % h_frames);
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uv_interp.y = uv_interp.y * frame_h + frame_h * float(frame / v_frames);
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#endif
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#define extra_matrix extra_matrix2
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{
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vec2 src_vtx=outvec.xy;
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VERTEX_SHADER_CODE
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}
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#ifdef USE_NINEPATCH
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pixel_size_interp=abs(dst_rect.zw) * vertex;
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#endif
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#if !defined(SKIP_TRANSFORM_USED)
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outvec = extra_matrix * outvec;
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outvec = modelview_matrix * outvec;
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#endif
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#undef extra_matrix
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color_interp = vertex_color;
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#ifdef USE_PIXEL_SNAP
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outvec.xy=floor(outvec+0.5);
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#endif
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gl_Position = projection_matrix * outvec;
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#ifdef USE_LIGHTING
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light_uv_interp.xy = (light_matrix * outvec).xy;
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light_uv_interp.zw =(light_local_matrix * outvec).xy;
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#ifdef USE_SHADOWS
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pos=outvec.xy;
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#endif
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local_rot.xy=normalize( (modelview_matrix * ( extra_matrix * vec4(1.0,0.0,0.0,0.0) )).xy );
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local_rot.zw=normalize( (modelview_matrix * ( extra_matrix * vec4(0.0,1.0,0.0,0.0) )).xy );
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#ifdef USE_TEXTURE_RECT
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local_rot.xy*=sign(src_rect.z);
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local_rot.zw*=sign(src_rect.w);
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#endif
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#endif
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}
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[fragment]
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uniform mediump sampler2D color_texture; // texunit:0
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uniform highp vec2 color_texpixel_size;
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uniform mediump sampler2D normal_texture; // texunit:1
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in mediump vec2 uv_interp;
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in mediump vec4 color_interp;
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#if defined(SCREEN_TEXTURE_USED)
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uniform sampler2D screen_texture; // texunit:-3
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#endif
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#if defined(SCREEN_UV_USED)
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uniform vec2 screen_pixel_size;
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#endif
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layout(std140) uniform CanvasItemData {
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highp mat4 projection_matrix;
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highp float time;
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};
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#ifdef USE_LIGHTING
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layout(std140) uniform LightData {
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highp mat4 light_matrix;
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highp mat4 light_local_matrix;
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highp mat4 shadow_matrix;
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highp vec4 light_color;
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highp vec4 light_shadow_color;
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highp vec2 light_pos;
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highp float shadowpixel_size;
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highp float shadow_gradient;
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highp float light_height;
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highp float light_outside_alpha;
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highp float shadow_distance_mult;
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};
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uniform lowp sampler2D light_texture; // texunit:-1
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in vec4 light_uv_interp;
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in vec4 local_rot;
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#ifdef USE_SHADOWS
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uniform highp sampler2D shadow_texture; // texunit:-2
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in highp vec2 pos;
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#endif
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const bool at_light_pass = true;
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#else
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const bool at_light_pass = false;
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#endif
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uniform mediump vec4 final_modulate;
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layout(location=0) out mediump vec4 frag_color;
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#if defined(USE_MATERIAL)
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layout(std140) uniform UniformData {
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MATERIAL_UNIFORMS
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};
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#endif
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FRAGMENT_SHADER_GLOBALS
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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) {
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#if defined(USE_LIGHT_SHADER_CODE)
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LIGHT_SHADER_CODE
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#endif
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}
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#ifdef USE_TEXTURE_RECT
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uniform vec4 dst_rect;
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uniform vec4 src_rect;
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uniform bool clip_rect_uv;
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#ifdef USE_NINEPATCH
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in highp vec2 pixel_size_interp;
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uniform int np_repeat_v;
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uniform int np_repeat_h;
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uniform bool np_draw_center;
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//left top right bottom in pixel coordinates
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uniform vec4 np_margins;
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float map_ninepatch_axis(float pixel, float draw_size,float tex_pixel_size,float margin_begin,float margin_end,int np_repeat,inout int draw_center) {
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float tex_size = 1.0/tex_pixel_size;
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if (pixel < margin_begin) {
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return pixel * tex_pixel_size;
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} else if (pixel >= draw_size-margin_end) {
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return (tex_size-(draw_size-pixel)) * tex_pixel_size;
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} else {
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if (!np_draw_center){
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draw_center--;
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}
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if (np_repeat==0) { //stretch
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//convert to ratio
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float ratio = (pixel - margin_begin) / (draw_size - margin_begin - margin_end);
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//scale to source texture
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return (margin_begin + ratio * (tex_size - margin_begin - margin_end)) * tex_pixel_size;
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} else if (np_repeat==1) { //tile
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//convert to ratio
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float ofs = mod((pixel - margin_begin), tex_size - margin_begin - margin_end);
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//scale to source texture
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return (margin_begin + ofs) * tex_pixel_size;
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} else if (np_repeat==2) { //tile fit
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//convert to ratio
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float src_area = draw_size - margin_begin - margin_end;
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float dst_area = tex_size - margin_begin - margin_end;
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float scale = max(1.0,floor(src_area / max(dst_area,0.0000001) + 0.5));
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//convert to ratio
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float ratio = (pixel - margin_begin) / src_area;
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ratio = mod(ratio * scale,1.0);
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return (margin_begin + ratio * dst_area) * tex_pixel_size;
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}
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}
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}
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#endif
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#endif
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uniform bool use_default_normal;
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void main() {
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vec4 color = color_interp;
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vec2 uv = uv_interp;
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#ifdef USE_TEXTURE_RECT
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#ifdef USE_NINEPATCH
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int draw_center=2;
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uv = vec2(
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map_ninepatch_axis(pixel_size_interp.x,abs(dst_rect.z),color_texpixel_size.x,np_margins.x,np_margins.z,np_repeat_h,draw_center),
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map_ninepatch_axis(pixel_size_interp.y,abs(dst_rect.w),color_texpixel_size.y,np_margins.y,np_margins.w,np_repeat_v,draw_center)
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);
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if (draw_center==0) {
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color.a=0.0;
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}
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uv = uv*src_rect.zw+src_rect.xy; //apply region if needed
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#endif
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if (clip_rect_uv) {
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vec2 half_texpixel = color_texpixel_size * 0.5;
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uv = clamp(uv,src_rect.xy+half_texpixel,src_rect.xy+abs(src_rect.zw)-color_texpixel_size);
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}
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#endif
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#if !defined(COLOR_USED)
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//default behavior, texture by color
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#ifdef USE_DISTANCE_FIELD
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const float smoothing = 1.0/32.0;
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float distance = textureLod(color_texture, uv,0.0).a;
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color.a = smoothstep(0.5 - smoothing, 0.5 + smoothing, distance) * color.a;
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#else
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color *= texture( color_texture, uv );
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#endif
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#endif
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vec3 normal;
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#if defined(NORMAL_USED)
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bool normal_used = true;
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#else
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bool normal_used = false;
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#endif
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if (use_default_normal) {
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normal.xy = textureLod(normal_texture, uv,0.0).xy * 2.0 - 1.0;
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normal.z = sqrt(1.0-dot(normal.xy,normal.xy));
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normal_used=true;
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} else {
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normal = vec3(0.0,0.0,1.0);
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}
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#if defined(SCREEN_UV_USED)
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vec2 screen_uv = gl_FragCoord.xy*screen_pixel_size;
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#endif
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{
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float normal_depth=1.0;
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#if defined(NORMALMAP_USED)
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vec3 normal_map=vec3(0.0,0.0,1.0);
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#endif
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FRAGMENT_SHADER_CODE
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#if defined(NORMALMAP_USED)
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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 );
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#endif
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}
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#ifdef DEBUG_ENCODED_32
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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) );
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color = vec4(vec3(enc32),1.0);
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#endif
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color*=final_modulate;
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#ifdef USE_LIGHTING
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vec2 light_vec = light_uv_interp.zw;; //for shadow and normal mapping
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if (normal_used) {
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normal.xy = mat2(local_rot.xy,local_rot.zw) * normal.xy;
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}
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float att=1.0;
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vec2 light_uv = light_uv_interp.xy;
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vec4 light = texture(light_texture,light_uv) * light_color;
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#if defined(SHADOW_COLOR_USED)
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vec4 shadow_color=vec4(0.0,0.0,0.0,0.0);
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#endif
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if (any(lessThan(light_uv_interp.xy,vec2(0.0,0.0))) || any(greaterThanEqual(light_uv_interp.xy,vec2(1.0,1.0)))) {
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color.a*=light_outside_alpha; //invisible
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} else {
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#if defined(USE_LIGHT_SHADER_CODE)
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//light is written by the light shader
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light_compute(light,light_vec,light_height,light_color,light_uv,shadow,normal,uv,screen_uv,color);
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#else
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if (normal_used) {
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vec3 light_normal = normalize(vec3(light_vec,-light_height));
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light*=max(dot(-light_normal,normal),0.0);
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}
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color*=light;
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/*
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#ifdef USE_NORMAL
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color.xy=local_rot.xy;//normal.xy;
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color.zw=vec2(0.0,1.0);
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#endif
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*/
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//light shader code
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#endif
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#ifdef USE_SHADOWS
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float angle_to_light = -atan(light_vec.x,light_vec.y);
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float PI = 3.14159265358979323846264;
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/*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
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float ang*/
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float su,sz;
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float abs_angle = abs(angle_to_light);
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vec2 point;
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float sh;
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if (abs_angle<45.0*PI/180.0) {
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point = light_vec;
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sh=0.0+(1.0/8.0);
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} else if (abs_angle>135.0*PI/180.0) {
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point = -light_vec;
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sh = 0.5+(1.0/8.0);
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} else if (angle_to_light>0.0) {
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point = vec2(light_vec.y,-light_vec.x);
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sh = 0.25+(1.0/8.0);
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} else {
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point = vec2(-light_vec.y,light_vec.x);
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sh = 0.75+(1.0/8.0);
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}
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highp vec4 s = shadow_matrix * vec4(point,0.0,1.0);
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s.xyz/=s.w;
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su=s.x*0.5+0.5;
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sz=s.z*0.5+0.5;
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//sz=lightlength(light_vec);
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highp float shadow_attenuation=0.0;
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#ifdef USE_RGBA_SHADOWS
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#define SHADOW_DEPTH(m_tex,m_uv) dot(texture((m_tex),(m_uv)),vec4(1.0 / (256.0 * 256.0 * 256.0),1.0 / (256.0 * 256.0),1.0 / 256.0,1) )
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#else
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#define SHADOW_DEPTH(m_tex,m_uv) (texture((m_tex),(m_uv)).r)
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#endif
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#ifdef SHADOW_USE_GRADIENT
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#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); }
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#else
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#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture,vec2(m_ofs,sh)); shadow_attenuation+=step(sz,sd); }
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#endif
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#ifdef SHADOW_FILTER_NEAREST
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SHADOW_TEST(su);
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#endif
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#ifdef SHADOW_FILTER_PCF3
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SHADOW_TEST(su+shadowpixel_size);
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SHADOW_TEST(su);
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SHADOW_TEST(su-shadowpixel_size);
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shadow_attenuation/=3.0;
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#endif
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|
|
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#ifdef SHADOW_FILTER_PCF5
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SHADOW_TEST(su+shadowpixel_size*3.0);
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SHADOW_TEST(su+shadowpixel_size*2.0);
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SHADOW_TEST(su+shadowpixel_size);
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|
SHADOW_TEST(su);
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|
SHADOW_TEST(su-shadowpixel_size);
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SHADOW_TEST(su-shadowpixel_size*2.0);
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|
SHADOW_TEST(su-shadowpixel_size*3.0);
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|
shadow_attenuation/=5.0;
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|
|
|
#endif
|
|
|
|
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|
#ifdef SHADOW_FILTER_PCF9
|
|
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|
SHADOW_TEST(su+shadowpixel_size*4.0);
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|
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;
|
|
|
|
}
|
|
|