diff options
Diffstat (limited to 'drivers/gles3/shaders')
| -rw-r--r-- | drivers/gles3/shaders/canvas.glsl | 6 | ||||
| -rw-r--r-- | drivers/gles3/shaders/canvas_uniforms_inc.glsl | 3 |
2 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gles3/shaders/canvas.glsl b/drivers/gles3/shaders/canvas.glsl index 9a90f33674..3d3d328146 100644 --- a/drivers/gles3/shaders/canvas.glsl +++ b/drivers/gles3/shaders/canvas.glsl @@ -579,6 +579,12 @@ void main() { if (normal_used || (using_light && bool(read_draw_data_flags & FLAGS_DEFAULT_NORMAL_MAP_USED))) { normal.xy = texture(normal_texture, uv).xy * vec2(2.0, -2.0) - vec2(1.0, -1.0); + if (bool(draw_data.flags & FLAGS_FLIP_H)) { + normal.x = -normal.x; + } + if (bool(draw_data.flags & FLAGS_FLIP_V)) { + normal.y = -normal.y; + } normal.z = sqrt(1.0 - dot(normal.xy, normal.xy)); normal_used = true; } else { diff --git a/drivers/gles3/shaders/canvas_uniforms_inc.glsl b/drivers/gles3/shaders/canvas_uniforms_inc.glsl index f65558f042..d53c0fcb26 100644 --- a/drivers/gles3/shaders/canvas_uniforms_inc.glsl +++ b/drivers/gles3/shaders/canvas_uniforms_inc.glsl @@ -27,6 +27,9 @@ #define FLAGS_USE_MSDF uint(1 << 28) #define FLAGS_USE_LCD uint(1 << 29) +#define FLAGS_FLIP_H uint(1 << 30) +#define FLAGS_FLIP_V uint(1 << 31) + layout(std140) uniform GlobalShaderUniformData { //ubo:1 vec4 global_shader_uniforms[MAX_GLOBAL_SHADER_UNIFORMS]; }; |