diff options
Diffstat (limited to 'servers/rendering/renderer_rd/shaders/canvas.glsl')
| -rw-r--r-- | servers/rendering/renderer_rd/shaders/canvas.glsl | 186 |
1 files changed, 91 insertions, 95 deletions
diff --git a/servers/rendering/renderer_rd/shaders/canvas.glsl b/servers/rendering/renderer_rd/shaders/canvas.glsl index 704aafdfa5..dafcce37ad 100644 --- a/servers/rendering/renderer_rd/shaders/canvas.glsl +++ b/servers/rendering/renderer_rd/shaders/canvas.glsl @@ -193,9 +193,7 @@ void main() { } #endif // USE_ATTRIBUTES -#ifdef USE_POINT_SIZE float point_size = 1.0; -#endif #ifdef USE_WORLD_VERTEX_COORDS vertex = (model_matrix * vec4(vertex, 0.0, 1.0)).xy; @@ -368,8 +366,6 @@ float map_ninepatch_axis(float pixel, float draw_size, float tex_pixel_size, flo #endif -#ifdef USE_LIGHTING - vec3 light_normal_compute(vec3 light_vec, vec3 normal, vec3 base_color, vec3 light_color, vec4 specular_shininess, bool specular_shininess_used) { float cNdotL = max(0.0, dot(normal, light_vec)); @@ -459,8 +455,6 @@ void light_blend_compute(uint light_base, vec4 light_color, inout vec3 color) { } } -#endif - float msdf_median(float r, float g, float b, float a) { return min(max(min(r, g), min(max(r, g), b)), a); } @@ -493,7 +487,8 @@ void main() { #endif if (bool(draw_data.flags & FLAGS_CLIP_RECT_UV)) { - uv = clamp(uv, draw_data.src_rect.xy, draw_data.src_rect.xy + abs(draw_data.src_rect.zw)); + vec2 half_texpixel = draw_data.color_texture_pixel_size * 0.5; + uv = clamp(uv, draw_data.src_rect.xy + half_texpixel, draw_data.src_rect.xy + abs(draw_data.src_rect.zw) - half_texpixel); } #endif @@ -533,7 +528,7 @@ void main() { color *= texture(sampler2D(color_texture, texture_sampler), uv); } - uint light_count = bitfieldExtract(draw_data.flags, FLAGS_LIGHT_COUNT_SHIFT, 4); //max 16 lights + uint light_count = bitfieldExtract(draw_data.flags, FLAGS_LIGHT_COUNT_SHIFT, 4); //max 15 lights bool using_light = (light_count + canvas_data.directional_light_count) > 0; vec3 normal; @@ -617,134 +612,135 @@ void main() { color *= canvas_data.canvas_modulation; #endif -#if defined(USE_LIGHTING) && !defined(MODE_UNSHADED) - - // Directional Lights +#if !defined(MODE_UNSHADED) + if (sc_use_lighting()) { + // Directional Lights - for (uint i = 0; i < canvas_data.directional_light_count; i++) { - uint light_base = i; + for (uint i = 0; i < canvas_data.directional_light_count; i++) { + uint light_base = i; - vec2 direction = light_array.data[light_base].position; - vec4 light_color = light_array.data[light_base].color; + vec2 direction = light_array.data[light_base].position; + vec4 light_color = light_array.data[light_base].color; #ifdef LIGHT_CODE_USED - vec4 shadow_modulate = vec4(1.0); - light_color = light_compute(light_vertex, vec3(direction, light_array.data[light_base].height), normal, light_color, light_color.a, specular_shininess, shadow_modulate, screen_uv, uv, base_color, true); + vec4 shadow_modulate = vec4(1.0); + light_color = light_compute(light_vertex, vec3(direction, light_array.data[light_base].height), normal, light_color, light_color.a, specular_shininess, shadow_modulate, screen_uv, uv, base_color, true); #else - if (normal_used) { - vec3 light_vec = normalize(mix(vec3(direction, 0.0), vec3(0, 0, 1), light_array.data[light_base].height)); - light_color.rgb = light_normal_compute(light_vec, normal, base_color.rgb, light_color.rgb, specular_shininess, specular_shininess_used); - } else { - light_color.rgb *= base_color.rgb; - } + if (normal_used) { + vec3 light_vec = normalize(mix(vec3(direction, 0.0), vec3(0, 0, 1), light_array.data[light_base].height)); + light_color.rgb = light_normal_compute(light_vec, normal, base_color.rgb, light_color.rgb, specular_shininess, specular_shininess_used); + } else { + light_color.rgb *= base_color.rgb; + } #endif - if (bool(light_array.data[light_base].flags & LIGHT_FLAGS_HAS_SHADOW)) { - vec2 shadow_pos = (vec4(shadow_vertex, 0.0, 1.0) * mat4(light_array.data[light_base].shadow_matrix[0], light_array.data[light_base].shadow_matrix[1], vec4(0.0, 0.0, 1.0, 0.0), vec4(0.0, 0.0, 0.0, 1.0))).xy; //multiply inverse given its transposed. Optimizer removes useless operations. + if (bool(light_array.data[light_base].flags & LIGHT_FLAGS_HAS_SHADOW)) { + vec2 shadow_pos = (vec4(shadow_vertex, 0.0, 1.0) * mat4(light_array.data[light_base].shadow_matrix[0], light_array.data[light_base].shadow_matrix[1], vec4(0.0, 0.0, 1.0, 0.0), vec4(0.0, 0.0, 0.0, 1.0))).xy; //multiply inverse given its transposed. Optimizer removes useless operations. - vec4 shadow_uv = vec4(shadow_pos.x, light_array.data[light_base].shadow_y_ofs, shadow_pos.y * light_array.data[light_base].shadow_zfar_inv, 1.0); + vec4 shadow_uv = vec4(shadow_pos.x, light_array.data[light_base].shadow_y_ofs, shadow_pos.y * light_array.data[light_base].shadow_zfar_inv, 1.0); - light_color = light_shadow_compute(light_base, light_color, shadow_uv + light_color = light_shadow_compute(light_base, light_color, shadow_uv #ifdef LIGHT_CODE_USED - , - shadow_modulate.rgb + , + shadow_modulate.rgb #endif - ); - } + ); + } - light_blend_compute(light_base, light_color, color.rgb); + light_blend_compute(light_base, light_color, color.rgb); #ifdef MODE_LIGHT_ONLY - light_only_alpha += light_color.a; + light_only_alpha += light_color.a; #endif - } + } - // Positional Lights + // Positional Lights - for (uint i = 0; i < MAX_LIGHTS_PER_ITEM; i++) { - if (i >= light_count) { - break; - } - uint light_base = bitfieldExtract(draw_data.lights[i >> 2], (int(i) & 0x3) * 8, 8); + for (uint i = 0; i < MAX_LIGHTS_PER_ITEM; i++) { + if (i >= light_count) { + break; + } + uint light_base = bitfieldExtract(draw_data.lights[i >> 2], (int(i) & 0x3) * 8, 8); - vec2 tex_uv = (vec4(vertex, 0.0, 1.0) * mat4(light_array.data[light_base].texture_matrix[0], light_array.data[light_base].texture_matrix[1], vec4(0.0, 0.0, 1.0, 0.0), vec4(0.0, 0.0, 0.0, 1.0))).xy; //multiply inverse given its transposed. Optimizer removes useless operations. - vec2 tex_uv_atlas = tex_uv * light_array.data[light_base].atlas_rect.zw + light_array.data[light_base].atlas_rect.xy; + vec2 tex_uv = (vec4(vertex, 0.0, 1.0) * mat4(light_array.data[light_base].texture_matrix[0], light_array.data[light_base].texture_matrix[1], vec4(0.0, 0.0, 1.0, 0.0), vec4(0.0, 0.0, 0.0, 1.0))).xy; //multiply inverse given its transposed. Optimizer removes useless operations. + vec2 tex_uv_atlas = tex_uv * light_array.data[light_base].atlas_rect.zw + light_array.data[light_base].atlas_rect.xy; - if (any(lessThan(tex_uv, vec2(0.0, 0.0))) || any(greaterThanEqual(tex_uv, vec2(1.0, 1.0)))) { - //if outside the light texture, light color is zero - continue; - } + if (any(lessThan(tex_uv, vec2(0.0, 0.0))) || any(greaterThanEqual(tex_uv, vec2(1.0, 1.0)))) { + //if outside the light texture, light color is zero + continue; + } - vec4 light_color = textureLod(sampler2D(atlas_texture, texture_sampler), tex_uv_atlas, 0.0); - vec4 light_base_color = light_array.data[light_base].color; + vec4 light_color = textureLod(sampler2D(atlas_texture, texture_sampler), tex_uv_atlas, 0.0); + vec4 light_base_color = light_array.data[light_base].color; #ifdef LIGHT_CODE_USED - vec4 shadow_modulate = vec4(1.0); - vec3 light_position = vec3(light_array.data[light_base].position, light_array.data[light_base].height); + vec4 shadow_modulate = vec4(1.0); + vec3 light_position = vec3(light_array.data[light_base].position, light_array.data[light_base].height); - light_color.rgb *= light_base_color.rgb; - light_color = light_compute(light_vertex, light_position, normal, light_color, light_base_color.a, specular_shininess, shadow_modulate, screen_uv, uv, base_color, false); + light_color.rgb *= light_base_color.rgb; + light_color = light_compute(light_vertex, light_position, normal, light_color, light_base_color.a, specular_shininess, shadow_modulate, screen_uv, uv, base_color, false); #else - light_color.rgb *= light_base_color.rgb * light_base_color.a; + light_color.rgb *= light_base_color.rgb * light_base_color.a; - if (normal_used) { - vec3 light_pos = vec3(light_array.data[light_base].position, light_array.data[light_base].height); - vec3 pos = light_vertex; - vec3 light_vec = normalize(light_pos - pos); + if (normal_used) { + vec3 light_pos = vec3(light_array.data[light_base].position, light_array.data[light_base].height); + vec3 pos = light_vertex; + vec3 light_vec = normalize(light_pos - pos); - light_color.rgb = light_normal_compute(light_vec, normal, base_color.rgb, light_color.rgb, specular_shininess, specular_shininess_used); - } else { - light_color.rgb *= base_color.rgb; - } + light_color.rgb = light_normal_compute(light_vec, normal, base_color.rgb, light_color.rgb, specular_shininess, specular_shininess_used); + } else { + light_color.rgb *= base_color.rgb; + } #endif - if (bool(light_array.data[light_base].flags & LIGHT_FLAGS_HAS_SHADOW)) { - vec2 shadow_pos = (vec4(shadow_vertex, 0.0, 1.0) * mat4(light_array.data[light_base].shadow_matrix[0], light_array.data[light_base].shadow_matrix[1], vec4(0.0, 0.0, 1.0, 0.0), vec4(0.0, 0.0, 0.0, 1.0))).xy; //multiply inverse given its transposed. Optimizer removes useless operations. - - vec2 pos_norm = normalize(shadow_pos); - vec2 pos_abs = abs(pos_norm); - vec2 pos_box = pos_norm / max(pos_abs.x, pos_abs.y); - vec2 pos_rot = pos_norm * mat2(vec2(0.7071067811865476, -0.7071067811865476), vec2(0.7071067811865476, 0.7071067811865476)); //is there a faster way to 45 degrees rot? - float tex_ofs; - float distance; - if (pos_rot.y > 0) { - if (pos_rot.x > 0) { - tex_ofs = pos_box.y * 0.125 + 0.125; - distance = shadow_pos.x; + if (bool(light_array.data[light_base].flags & LIGHT_FLAGS_HAS_SHADOW)) { + vec2 shadow_pos = (vec4(shadow_vertex, 0.0, 1.0) * mat4(light_array.data[light_base].shadow_matrix[0], light_array.data[light_base].shadow_matrix[1], vec4(0.0, 0.0, 1.0, 0.0), vec4(0.0, 0.0, 0.0, 1.0))).xy; //multiply inverse given its transposed. Optimizer removes useless operations. + + vec2 pos_norm = normalize(shadow_pos); + vec2 pos_abs = abs(pos_norm); + vec2 pos_box = pos_norm / max(pos_abs.x, pos_abs.y); + vec2 pos_rot = pos_norm * mat2(vec2(0.7071067811865476, -0.7071067811865476), vec2(0.7071067811865476, 0.7071067811865476)); //is there a faster way to 45 degrees rot? + float tex_ofs; + float distance; + if (pos_rot.y > 0) { + if (pos_rot.x > 0) { + tex_ofs = pos_box.y * 0.125 + 0.125; + distance = shadow_pos.x; + } else { + tex_ofs = pos_box.x * -0.125 + (0.25 + 0.125); + distance = shadow_pos.y; + } } else { - tex_ofs = pos_box.x * -0.125 + (0.25 + 0.125); - distance = shadow_pos.y; + if (pos_rot.x < 0) { + tex_ofs = pos_box.y * -0.125 + (0.5 + 0.125); + distance = -shadow_pos.x; + } else { + tex_ofs = pos_box.x * 0.125 + (0.75 + 0.125); + distance = -shadow_pos.y; + } } - } else { - if (pos_rot.x < 0) { - tex_ofs = pos_box.y * -0.125 + (0.5 + 0.125); - distance = -shadow_pos.x; - } else { - tex_ofs = pos_box.x * 0.125 + (0.75 + 0.125); - distance = -shadow_pos.y; - } - } - distance *= light_array.data[light_base].shadow_zfar_inv; + distance *= light_array.data[light_base].shadow_zfar_inv; - //float distance = length(shadow_pos); - vec4 shadow_uv = vec4(tex_ofs, light_array.data[light_base].shadow_y_ofs, distance, 1.0); + //float distance = length(shadow_pos); + vec4 shadow_uv = vec4(tex_ofs, light_array.data[light_base].shadow_y_ofs, distance, 1.0); - light_color = light_shadow_compute(light_base, light_color, shadow_uv + light_color = light_shadow_compute(light_base, light_color, shadow_uv #ifdef LIGHT_CODE_USED - , - shadow_modulate.rgb + , + shadow_modulate.rgb #endif - ); - } + ); + } - light_blend_compute(light_base, light_color, color.rgb); + light_blend_compute(light_base, light_color, color.rgb); #ifdef MODE_LIGHT_ONLY - light_only_alpha += light_color.a; + light_only_alpha += light_color.a; #endif + } } #endif |