initial commit, 4.5 stable

servers/rendering/renderer_rd/shaders/scene_data_inc.glsl

@@ -0,0 +1,76 @@
+// Scene data stores all our 3D rendering globals for a frame such as our matrices
+// where this information is independent of the different RD implementations.
+// This enables us to use this UBO in our main scene render shaders but also in
+// effects that need access to this data.
+
+#define SCENE_DATA_FLAGS_USE_AMBIENT_LIGHT (1 << 0)
+#define SCENE_DATA_FLAGS_USE_AMBIENT_CUBEMAP (1 << 1)
+#define SCENE_DATA_FLAGS_USE_REFLECTION_CUBEMAP (1 << 2)
+#define SCENE_DATA_FLAGS_USE_ROUGHNESS_LIMITER (1 << 3)
+#define SCENE_DATA_FLAGS_USE_FOG (1 << 4)
+#define SCENE_DATA_FLAGS_USE_UV2_MATERIAL (1 << 5)
+#define SCENE_DATA_FLAGS_USE_PANCAKE_SHADOWS (1 << 6)
+#define SCENE_DATA_FLAGS_IN_SHADOW_PASS (1 << 7)
+
+struct SceneData {
+	mat4 projection_matrix;
+	mat4 inv_projection_matrix;
+	mat4 inv_view_matrix;
+	mat4 view_matrix;
+
+	// only used for multiview
+	mat4 projection_matrix_view[MAX_VIEWS];
+	mat4 inv_projection_matrix_view[MAX_VIEWS];
+	vec4 eye_offset[MAX_VIEWS];
+
+	// Used for billboards to cast correct shadows.
+	mat4 main_cam_inv_view_matrix;
+
+	vec2 viewport_size;
+	vec2 screen_pixel_size;
+
+	// Use vec4s because std140 doesn't play nice with vec2s, z and w are wasted.
+	vec4 directional_penumbra_shadow_kernel[32];
+	vec4 directional_soft_shadow_kernel[32];
+	vec4 penumbra_shadow_kernel[32];
+	vec4 soft_shadow_kernel[32];
+
+	vec2 shadow_atlas_pixel_size;
+	vec2 directional_shadow_pixel_size;
+
+	uint directional_light_count;
+	float dual_paraboloid_side;
+	float z_far;
+	float z_near;
+
+	float roughness_limiter_amount;
+	float roughness_limiter_limit;
+	float opaque_prepass_threshold;
+	uint flags;
+
+	mat3 radiance_inverse_xform;
+
+	vec4 ambient_light_color_energy;
+
+	float ambient_color_sky_mix;
+	float fog_density;
+	float fog_height;
+	float fog_height_density;
+
+	float fog_depth_curve;
+	float fog_depth_begin;
+	float fog_depth_end;
+	float fog_sun_scatter;
+
+	vec3 fog_light_color;
+	float fog_aerial_perspective;
+
+	float time;
+	float taa_frame_count;
+	vec2 taa_jitter;
+
+	float emissive_exposure_normalization;
+	float IBL_exposure_normalization;
+	uint camera_visible_layers;
+	float pass_alpha_multiplier;
+};