diff options
Diffstat (limited to 'drivers/gles3/shaders/canvas.glsl')
-rw-r--r-- | drivers/gles3/shaders/canvas.glsl | 126 |
1 files changed, 125 insertions, 1 deletions
diff --git a/drivers/gles3/shaders/canvas.glsl b/drivers/gles3/shaders/canvas.glsl index 7be6ee857a..e97ce62daa 100644 --- a/drivers/gles3/shaders/canvas.glsl +++ b/drivers/gles3/shaders/canvas.glsl @@ -11,11 +11,26 @@ uniform vec4 src_rect; #else +#ifdef USE_INSTANCING + +layout(location=8) in highp vec4 instance_xform0; +layout(location=9) in highp vec4 instance_xform1; +layout(location=10) in highp vec4 instance_xform2; +layout(location=11) in lowp vec4 instance_color; + +#ifdef USE_INSTANCE_CUSTOM +layout(location=12) in highp vec4 instance_custom_data; +#endif + +#endif + layout(location=4) in highp vec2 uv_attrib; //skeletn #endif +uniform highp vec2 color_texpixel_size; + layout(std140) uniform CanvasItemData { //ubo:0 @@ -30,6 +45,12 @@ uniform highp mat4 extra_matrix; out mediump vec2 uv_interp; out mediump vec4 color_interp; +#ifdef USE_NINEPATCH + +out highp vec2 pixel_size_interp; +#endif + + #ifdef USE_LIGHTING layout(std140) uniform LightData { //ubo:1 @@ -64,7 +85,10 @@ const bool at_light_pass = true; const bool at_light_pass = false; #endif - +#ifdef USE_PARTICLES +uniform int h_frames; +uniform int v_frames; +#endif VERTEX_SHADER_GLOBALS @@ -82,6 +106,12 @@ void main() { vec4 vertex_color = color_attrib; +#ifdef USE_INSTANCING + mat4 extra_matrix2 = extra_matrix * transpose(mat4(instance_xform0,instance_xform1,instance_xform2,vec4(0.0,0.0,0.0,1.0))); + vertex_color*=instance_color; +#else + mat4 extra_matrix2 = extra_matrix; +#endif #ifdef USE_TEXTURE_RECT @@ -95,6 +125,22 @@ void main() { #endif +#ifdef USE_PARTICLES + //scale by texture size + outvec.xy/=color_texpixel_size; + + //compute h and v frames and adjust UV interp for animation + int total_frames = h_frames * v_frames; + int frame = min(int(float(total_frames) *instance_custom_data.z),total_frames-1); + float frame_w = 1.0/float(h_frames); + float frame_h = 1.0/float(v_frames); + uv_interp.x = uv_interp.x * frame_w + frame_w * float(frame % h_frames); + uv_interp.y = uv_interp.y * frame_h + frame_h * float(frame / v_frames); + +#endif + +#define extra_matrix extra_matrix2 + { vec2 src_vtx=outvec.xy; @@ -102,11 +148,19 @@ VERTEX_SHADER_CODE } + +#ifdef USE_NINEPATCH + + pixel_size_interp=abs(dst_rect.zw) * vertex; +#endif + #if !defined(SKIP_TRANSFORM_USED) outvec = extra_matrix * outvec; outvec = modelview_matrix * outvec; #endif +#undef extra_matrix + color_interp = vertex_color; #ifdef USE_PIXEL_SNAP @@ -235,6 +289,58 @@ uniform vec4 dst_rect; uniform vec4 src_rect; uniform bool clip_rect_uv; +#ifdef USE_NINEPATCH + +in highp vec2 pixel_size_interp; + +uniform int np_repeat_v; +uniform int np_repeat_h; +uniform bool np_draw_center; +//left top right bottom in pixel coordinates +uniform vec4 np_margins; + + + +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) { + + + float tex_size = 1.0/tex_pixel_size; + + if (pixel < margin_begin) { + return pixel * tex_pixel_size; + } else if (pixel >= draw_size-margin_end) { + return (tex_size-(draw_size-pixel)) * tex_pixel_size; + } else { + if (!np_draw_center){ + draw_center--; + } + + if (np_repeat==0) { //stretch + //convert to ratio + float ratio = (pixel - margin_begin) / (draw_size - margin_begin - margin_end); + //scale to source texture + return (margin_begin + ratio * (tex_size - margin_begin - margin_end)) * tex_pixel_size; + } else if (np_repeat==1) { //tile + //convert to ratio + float ofs = mod((pixel - margin_begin), tex_size - margin_begin - margin_end); + //scale to source texture + return (margin_begin + ofs) * tex_pixel_size; + } else if (np_repeat==2) { //tile fit + //convert to ratio + float src_area = draw_size - margin_begin - margin_end; + float dst_area = tex_size - margin_begin - margin_end; + float scale = max(1.0,floor(src_area / max(dst_area,0.0000001) + 0.5)); + + //convert to ratio + float ratio = (pixel - margin_begin) / src_area; + ratio = mod(ratio * scale,1.0); + return (margin_begin + ratio * dst_area) * tex_pixel_size; + } + } + +} + +#endif #endif uniform bool use_default_normal; @@ -245,6 +351,22 @@ void main() { vec2 uv = uv_interp; #ifdef USE_TEXTURE_RECT + +#ifdef USE_NINEPATCH + + int draw_center=2; + uv = vec2( + 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), + 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) + ); + + if (draw_center==0) { + color.a=0; + } + + uv = uv*src_rect.zw+src_rect.xy; //apply region if needed +#endif + if (clip_rect_uv) { vec2 half_texpixel = color_texpixel_size * 0.5; @@ -267,6 +389,8 @@ void main() { #endif + + vec3 normal; #if defined(NORMAL_USED) |