diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gles3/shader_compiler_gles3.cpp | 1 | ||||
| -rw-r--r-- | drivers/gles3/shaders/canvas.glsl | 9 | ||||
| -rw-r--r-- | drivers/gles3/shaders/scene.glsl | 12 |
3 files changed, 19 insertions, 3 deletions
diff --git a/drivers/gles3/shader_compiler_gles3.cpp b/drivers/gles3/shader_compiler_gles3.cpp index eb8d6c485b..9ad16ac2a2 100644 --- a/drivers/gles3/shader_compiler_gles3.cpp +++ b/drivers/gles3/shader_compiler_gles3.cpp @@ -898,6 +898,7 @@ ShaderCompilerGLES3::ShaderCompilerGLES3() { actions[VS::SHADER_SPATIAL].render_mode_defines["skip_vertex_transform"] = "#define SKIP_TRANSFORM_USED\n"; actions[VS::SHADER_SPATIAL].render_mode_defines["world_vertex_coords"] = "#define VERTEX_WORLD_COORDS_USED\n"; + actions[VS::SHADER_SPATIAL].render_mode_defines["ensure_correct_normals"] = "#define ENSURE_CORRECT_NORMALS\n"; actions[VS::SHADER_SPATIAL].render_mode_defines["cull_front"] = "#define DO_SIDE_CHECK\n"; actions[VS::SHADER_SPATIAL].render_mode_defines["cull_disabled"] = "#define DO_SIDE_CHECK\n"; diff --git a/drivers/gles3/shaders/canvas.glsl b/drivers/gles3/shaders/canvas.glsl index 326aab4c7c..7aafd28c35 100644 --- a/drivers/gles3/shaders/canvas.glsl +++ b/drivers/gles3/shaders/canvas.glsl @@ -518,10 +518,13 @@ FRAGMENT_SHADER_CODE - #ifdef USE_LIGHTING - vec2 light_vec = light_uv_interp.zw;; //for shadow and normal mapping + 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]); + vec2 light_vec = (inverse_light_matrix * vec3(light_uv_interp.zw,0.0)).xy; //for normal mapping if (normal_used) { normal.xy = mat2(local_rot.xy,local_rot.zw) * normal.xy; @@ -567,7 +570,7 @@ 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 diff --git a/drivers/gles3/shaders/scene.glsl b/drivers/gles3/shaders/scene.glsl index 0e111e59a9..ed8df04377 100644 --- a/drivers/gles3/shaders/scene.glsl +++ b/drivers/gles3/shaders/scene.glsl @@ -323,7 +323,13 @@ void main() { #if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED) vertex = world_matrix * vertex; + +#if defined(ENSURE_CORRECT_NORMALS) + mat3 normal_matrix = mat3(transpose(inverse(world_matrix))); + normal = normal_matrix * normal; +#else normal = normalize((world_matrix * vec4(normal,0.0)).xyz); +#endif #if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY) @@ -395,7 +401,13 @@ VERTEX_SHADER_CODE #if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED) vertex = modelview * vertex; + +#if defined(ENSURE_CORRECT_NORMALS) + mat3 normal_matrix = mat3(transpose(inverse(modelview))); + normal = normal_matrix * normal; +#else normal = normalize((modelview * vec4(normal,0.0)).xyz); +#endif #if defined(ENABLE_TANGENT_INTERP) || defined(ENABLE_NORMALMAP) || defined(LIGHT_USE_ANISOTROPY) |