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path: root/drivers/gles3/shaders/canvas.glsl
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Diffstat (limited to 'drivers/gles3/shaders/canvas.glsl')
-rw-r--r--drivers/gles3/shaders/canvas.glsl117
1 files changed, 91 insertions, 26 deletions
diff --git a/drivers/gles3/shaders/canvas.glsl b/drivers/gles3/shaders/canvas.glsl
index f436ef06f7..326aab4c7c 100644
--- a/drivers/gles3/shaders/canvas.glsl
+++ b/drivers/gles3/shaders/canvas.glsl
@@ -4,6 +4,11 @@
layout(location=0) in highp vec2 vertex;
layout(location=3) in vec4 color_attrib;
+#ifdef USE_SKELETON
+layout(location=6) in uvec4 bone_indices; // attrib:6
+layout(location=7) in vec4 bone_weights; // attrib:7
+#endif
+
#ifdef USE_TEXTURE_RECT
uniform vec4 dst_rect;
@@ -51,6 +56,12 @@ out highp vec2 pixel_size_interp;
#endif
+#ifdef USE_SKELETON
+uniform mediump sampler2D skeleton_texture; // texunit:-1
+uniform highp mat4 skeleton_transform;
+uniform highp mat4 skeleton_transform_inverse;
+#endif
+
#ifdef USE_LIGHTING
layout(std140) uniform LightData { //ubo:1
@@ -75,7 +86,6 @@ out vec4 light_uv_interp;
out vec4 local_rot;
-
#ifdef USE_SHADOWS
out highp vec2 pos;
#endif
@@ -101,6 +111,7 @@ MATERIAL_UNIFORMS
#endif
+
VERTEX_SHADER_GLOBALS
void main() {
@@ -146,6 +157,7 @@ void main() {
#endif
+
#define extra_matrix extra_matrix2
{
@@ -175,6 +187,49 @@ VERTEX_SHADER_CODE
#endif
+#ifdef USE_SKELETON
+
+ if (bone_weights!=vec4(0.0)){ //must be a valid bone
+ //skeleton transform
+
+ ivec4 bone_indicesi = ivec4(bone_indices);
+
+ ivec2 tex_ofs = ivec2( bone_indicesi.x%256, (bone_indicesi.x/256)*2 );
+
+ highp mat2x4 m = mat2x4(
+ texelFetch(skeleton_texture,tex_ofs,0),
+ texelFetch(skeleton_texture,tex_ofs+ivec2(0,1),0)
+ ) * bone_weights.x;
+
+ tex_ofs = ivec2( bone_indicesi.y%256, (bone_indicesi.y/256)*2 );
+
+ m+= mat2x4(
+ texelFetch(skeleton_texture,tex_ofs,0),
+ texelFetch(skeleton_texture,tex_ofs+ivec2(0,1),0)
+ ) * bone_weights.y;
+
+ tex_ofs = ivec2( bone_indicesi.z%256, (bone_indicesi.z/256)*2 );
+
+ m+= mat2x4(
+ texelFetch(skeleton_texture,tex_ofs,0),
+ texelFetch(skeleton_texture,tex_ofs+ivec2(0,1),0)
+ ) * bone_weights.z;
+
+
+ tex_ofs = ivec2( bone_indicesi.w%256, (bone_indicesi.w/256)*2 );
+
+ m+= mat2x4(
+ texelFetch(skeleton_texture,tex_ofs,0),
+ texelFetch(skeleton_texture,tex_ofs+ivec2(0,1),0)
+ ) * bone_weights.w;
+
+ mat4 bone_matrix = skeleton_transform * transpose(mat4(m[0],m[1],vec4(0.0,0.0,1.0,0.0),vec4(0.0,0.0,0.0,1.0))) * skeleton_transform_inverse;
+
+ outvec = bone_matrix * outvec;
+ }
+
+#endif
+
gl_Position = projection_matrix * outvec;
#ifdef USE_LIGHTING
@@ -207,6 +262,7 @@ uniform mediump sampler2D color_texture; // texunit:0
uniform highp vec2 color_texpixel_size;
uniform mediump sampler2D normal_texture; // texunit:1
+
in highp vec2 uv_interp;
in mediump vec4 color_interp;
@@ -285,7 +341,19 @@ MATERIAL_UNIFORMS
FRAGMENT_SHADER_GLOBALS
-void light_compute(inout vec4 light,vec2 light_vec,float light_height,vec4 light_color,vec2 light_uv,vec4 shadow,vec3 normal,vec2 uv,vec2 screen_uv,vec4 color) {
+void light_compute(
+ inout vec4 light,
+ inout vec2 light_vec,
+ inout float light_height,
+ inout vec4 light_color,
+ vec2 light_uv,
+ inout vec4 shadow_color,
+ vec3 normal,
+ vec2 uv,
+#if defined(SCREEN_UV_USED)
+ vec2 screen_uv,
+#endif
+ vec4 color) {
#if defined(USE_LIGHT_SHADER_CODE)
@@ -462,39 +530,41 @@ FRAGMENT_SHADER_CODE
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
+ vec4 light = texture(light_texture,light_uv);
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 {
+ float real_light_height = light_height;
+ vec4 real_light_color = light_color;
+ vec4 real_light_shadow_color = light_shadow_color;
#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);
+ light_compute(
+ light,
+ light_vec,
+ real_light_height,
+ real_light_color,
+ light_uv,
+ real_light_shadow_color,
+ normal,
+ uv,
+#if defined(SCREEN_UV_USED)
+ screen_uv,
+#endif
+ color);
+#endif
-#else
+ light *= real_light_color;
if (normal_used) {
-
- vec3 light_normal = normalize(vec3(light_vec,-light_height));
+ vec3 light_normal = normalize(vec3(light_vec,-real_light_height));
light*=max(dot(-light_normal,normal),0.0);
}
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
@@ -634,13 +704,8 @@ FRAGMENT_SHADER_CODE
#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
+ color=mix(real_light_shadow_color,color,shadow_attenuation);
//use shadows
#endif
}