diff options
Diffstat (limited to 'drivers/gles3/shaders/canvas.glsl')
| -rw-r--r-- | drivers/gles3/shaders/canvas.glsl | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/gles3/shaders/canvas.glsl b/drivers/gles3/shaders/canvas.glsl index 326aab4c7c..e7828d265c 100644 --- a/drivers/gles3/shaders/canvas.glsl +++ b/drivers/gles3/shaders/canvas.glsl @@ -82,6 +82,7 @@ layout(std140) uniform LightData { //ubo:1 out vec4 light_uv_interp; +out vec2 transformed_light_uv; out vec4 local_rot; @@ -236,6 +237,13 @@ VERTEX_SHADER_CODE light_uv_interp.xy = (light_matrix * outvec).xy; light_uv_interp.zw =(light_local_matrix * outvec).xy; + + mat3 inverse_light_matrix = mat3(inverse(light_matrix)); + inverse_light_matrix[0] = normalize(inverse_light_matrix[0]); + inverse_light_matrix[1] = normalize(inverse_light_matrix[1]); + inverse_light_matrix[2] = normalize(inverse_light_matrix[2]); + transformed_light_uv = (inverse_light_matrix * vec3(light_uv_interp.zw,0.0)).xy; //for normal mapping + #ifdef USE_SHADOWS pos=outvec.xy; #endif @@ -304,6 +312,7 @@ layout(std140) uniform LightData { uniform lowp sampler2D light_texture; // texunit:-1 in vec4 light_uv_interp; +in vec2 transformed_light_uv; in vec4 local_rot; @@ -518,10 +527,9 @@ FRAGMENT_SHADER_CODE - #ifdef USE_LIGHTING - vec2 light_vec = light_uv_interp.zw;; //for shadow and normal mapping + vec2 light_vec = transformed_light_uv; if (normal_used) { normal.xy = mat2(local_rot.xy,local_rot.zw) * normal.xy; @@ -567,7 +575,7 @@ FRAGMENT_SHADER_CODE color*=light; #ifdef USE_SHADOWS - + light_vec = light_uv_interp.zw; //for 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 |