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-rw-r--r--servers/rendering/renderer_rd/shaders/environment/sky.glsl61
1 files changed, 44 insertions, 17 deletions
diff --git a/servers/rendering/renderer_rd/shaders/environment/sky.glsl b/servers/rendering/renderer_rd/shaders/environment/sky.glsl
index d523461600..bf974a3fd5 100644
--- a/servers/rendering/renderer_rd/shaders/environment/sky.glsl
+++ b/servers/rendering/renderer_rd/shaders/environment/sky.glsl
@@ -14,7 +14,7 @@ layout(location = 0) out vec2 uv_interp;
layout(push_constant, std430) uniform Params {
mat3 orientation;
- vec4 projections[MAX_VIEWS];
+ vec4 projection; // only applicable if not multiview
vec3 position;
float time;
vec3 pad;
@@ -54,7 +54,7 @@ layout(location = 0) in vec2 uv_interp;
layout(push_constant, std430) uniform Params {
mat3 orientation;
- vec4 projections[MAX_VIEWS];
+ vec4 projection; // only applicable if not multiview
vec3 position;
float time;
vec3 pad;
@@ -82,7 +82,10 @@ layout(set = 0, binding = 1, std430) restrict readonly buffer GlobalShaderUnifor
}
global_shader_uniforms;
-layout(set = 0, binding = 2, std140) uniform SceneData {
+layout(set = 0, binding = 2, std140) uniform SkySceneData {
+ mat4 view_inv_projections[2];
+ vec4 view_eye_offsets[2];
+
bool volumetric_fog_enabled; // 4 - 4
float volumetric_fog_inv_length; // 4 - 8
float volumetric_fog_detail_spread; // 4 - 12
@@ -101,7 +104,7 @@ layout(set = 0, binding = 2, std140) uniform SceneData {
uint pad1; // 4 - 60
uint pad2; // 4 - 64
}
-scene_data;
+sky_scene_data;
struct DirectionalLightData {
vec4 direction_energy;
@@ -124,6 +127,9 @@ layout(set = 2, binding = 0) uniform textureCube radiance;
#ifdef USE_CUBEMAP_PASS
layout(set = 2, binding = 1) uniform textureCube half_res;
layout(set = 2, binding = 2) uniform textureCube quarter_res;
+#elif defined(USE_MULTIVIEW)
+layout(set = 2, binding = 1) uniform texture2DArray half_res;
+layout(set = 2, binding = 2) uniform texture2DArray quarter_res;
#else
layout(set = 2, binding = 1) uniform texture2D half_res;
layout(set = 2, binding = 2) uniform texture2D quarter_res;
@@ -169,15 +175,15 @@ vec4 volumetric_fog_process(vec2 screen_uv) {
}
vec4 fog_process(vec3 view, vec3 sky_color) {
- vec3 fog_color = mix(scene_data.fog_light_color, sky_color, scene_data.fog_aerial_perspective);
+ vec3 fog_color = mix(sky_scene_data.fog_light_color, sky_color, sky_scene_data.fog_aerial_perspective);
- if (scene_data.fog_sun_scatter > 0.001) {
+ if (sky_scene_data.fog_sun_scatter > 0.001) {
vec4 sun_scatter = vec4(0.0);
float sun_total = 0.0;
- for (uint i = 0; i < scene_data.directional_light_count; i++) {
+ for (uint i = 0; i < sky_scene_data.directional_light_count; i++) {
vec3 light_color = directional_lights.data[i].color_size.xyz * directional_lights.data[i].direction_energy.w;
float light_amount = pow(max(dot(view, directional_lights.data[i].direction_energy.xyz), 0.0), 8.0);
- fog_color += light_color * light_amount * scene_data.fog_sun_scatter;
+ fog_color += light_color * light_amount * sky_scene_data.fog_sun_scatter;
}
}
@@ -186,9 +192,17 @@ vec4 fog_process(vec3 view, vec3 sky_color) {
void main() {
vec3 cube_normal;
+#ifdef USE_MULTIVIEW
+ // In multiview our projection matrices will contain positional and rotational offsets that we need to properly unproject.
+ vec4 unproject = vec4(uv_interp.x, -uv_interp.y, 1.0, 1.0);
+ vec4 unprojected = sky_scene_data.view_inv_projections[ViewIndex] * unproject;
+ cube_normal = unprojected.xyz / unprojected.w;
+ cube_normal += sky_scene_data.view_eye_offsets[ViewIndex].xyz;
+#else
cube_normal.z = -1.0;
- cube_normal.x = (cube_normal.z * (-uv_interp.x - params.projections[ViewIndex].x)) / params.projections[ViewIndex].y;
- cube_normal.y = -(cube_normal.z * (-uv_interp.y - params.projections[ViewIndex].z)) / params.projections[ViewIndex].w;
+ cube_normal.x = (cube_normal.z * (-uv_interp.x - params.projection.x)) / params.projection.y;
+ cube_normal.y = -(cube_normal.z * (-uv_interp.y - params.projection.z)) / params.projection.w;
+#endif
cube_normal = mat3(params.orientation) * cube_normal;
cube_normal = normalize(cube_normal);
@@ -209,20 +223,33 @@ void main() {
vec4 custom_fog = vec4(0.0);
#ifdef USE_CUBEMAP_PASS
+
#ifdef USES_HALF_RES_COLOR
half_res_color = texture(samplerCube(half_res, material_samplers[SAMPLER_LINEAR_WITH_MIPMAPS_CLAMP]), cube_normal) / params.luminance_multiplier;
#endif
#ifdef USES_QUARTER_RES_COLOR
quarter_res_color = texture(samplerCube(quarter_res, material_samplers[SAMPLER_LINEAR_WITH_MIPMAPS_CLAMP]), cube_normal) / params.luminance_multiplier;
#endif
+
#else
+
#ifdef USES_HALF_RES_COLOR
+#ifdef USE_MULTIVIEW
+ half_res_color = textureLod(sampler2DArray(half_res, material_samplers[SAMPLER_LINEAR_CLAMP]), vec3(uv, ViewIndex), 0.0) / params.luminance_multiplier;
+#else
half_res_color = textureLod(sampler2D(half_res, material_samplers[SAMPLER_LINEAR_CLAMP]), uv, 0.0) / params.luminance_multiplier;
-#endif
+#endif // USE_MULTIVIEW
+#endif // USES_HALF_RES_COLOR
+
#ifdef USES_QUARTER_RES_COLOR
+#ifdef USE_MULTIVIEW
+ quarter_res_color = textureLod(sampler2DArray(quarter_res, material_samplers[SAMPLER_LINEAR_CLAMP]), vec3(uv, ViewIndex), 0.0) / params.luminance_multiplier;
+#else
quarter_res_color = textureLod(sampler2D(quarter_res, material_samplers[SAMPLER_LINEAR_CLAMP]), uv, 0.0) / params.luminance_multiplier;
-#endif
-#endif
+#endif // USE_MULTIVIEW
+#endif // USES_QUARTER_RES_COLOR
+
+#endif //USE_CUBEMAP_PASS
{
@@ -236,14 +263,14 @@ void main() {
#if !defined(DISABLE_FOG) && !defined(USE_CUBEMAP_PASS)
// Draw "fixed" fog before volumetric fog to ensure volumetric fog can appear in front of the sky.
- if (scene_data.fog_enabled) {
+ if (sky_scene_data.fog_enabled) {
vec4 fog = fog_process(cube_normal, frag_color.rgb);
- frag_color.rgb = mix(frag_color.rgb, fog.rgb, fog.a * scene_data.fog_sky_affect);
+ frag_color.rgb = mix(frag_color.rgb, fog.rgb, fog.a * sky_scene_data.fog_sky_affect);
}
- if (scene_data.volumetric_fog_enabled) {
+ if (sky_scene_data.volumetric_fog_enabled) {
vec4 fog = volumetric_fog_process(uv);
- frag_color.rgb = mix(frag_color.rgb, fog.rgb, fog.a * scene_data.volumetric_fog_sky_affect);
+ frag_color.rgb = mix(frag_color.rgb, fog.rgb, fog.a * sky_scene_data.volumetric_fog_sky_affect);
}
if (custom_fog.a > 0.0) {