Optimize Mobile renderer by using FP16 explicitly.

servers/rendering/renderer_rd/shaders/light_data_inc.glsl

@@ -3,31 +3,31 @@
 #define LIGHT_BAKE_DYNAMIC 2
 
 struct LightData { //this structure needs to be as packed as possible
-	highp vec3 position;
-	highp float inv_radius;
+	vec3 position;
+	float inv_radius;
 
-	mediump vec3 direction;
-	highp float size;
+	vec3 direction;
+	float size;
 
-	mediump vec3 color;
-	mediump float attenuation;
+	vec3 color;
+	float attenuation;
 
-	mediump float cone_attenuation;
-	mediump float cone_angle;
-	mediump float specular_amount;
-	mediump float shadow_opacity;
+	float cone_attenuation;
+	float cone_angle;
+	float specular_amount;
+	float shadow_opacity;
 
-	highp vec4 atlas_rect; // rect in the shadow atlas
-	highp mat4 shadow_matrix;
-	highp float shadow_bias;
-	highp float shadow_normal_bias;
-	highp float transmittance_bias;
-	highp float soft_shadow_size; // for spot, it's the size in uv coordinates of the light, for omni it's the span angle
-	highp float soft_shadow_scale; // scales the shadow kernel for blurrier shadows
+	vec4 atlas_rect; // rect in the shadow atlas
+	mat4 shadow_matrix;
+	float shadow_bias;
+	float shadow_normal_bias;
+	float transmittance_bias;
+	float soft_shadow_size; // for spot, it's the size in uv coordinates of the light, for omni it's the span angle
+	float soft_shadow_scale; // scales the shadow kernel for blurrier shadows
 	uint mask;
-	mediump float volumetric_fog_energy;
+	float volumetric_fog_energy;
 	uint bake_mode;
-	highp vec4 projector_rect; //projector rect in srgb decal atlas
+	vec4 projector_rect; //projector rect in srgb decal atlas
 };
 
 #define REFLECTION_AMBIENT_DISABLED 0
@@ -35,13 +35,13 @@ struct LightData { //this structure needs to be as packed as possible
 #define REFLECTION_AMBIENT_COLOR 2
 
 struct ReflectionData {
-	highp vec3 box_extents;
-	mediump float index;
-	highp vec3 box_offset;
+	vec3 box_extents;
+	float index;
+	vec3 box_offset;
 	uint mask;
-	mediump vec3 ambient; // ambient color
-	mediump float intensity;
-	mediump float blend_distance;
+	vec3 ambient; // ambient color
+	float intensity;
+	float blend_distance;
 	bool exterior;
 	bool box_project;
 	uint ambient_mode;
@@ -50,38 +50,38 @@ struct ReflectionData {
 	float pad1;
 	float pad2;
 	//0-8 is intensity,8-9 is ambient, mode
-	highp mat4 local_matrix; // up to here for spot and omni, rest is for directional
+	mat4 local_matrix; // up to here for spot and omni, rest is for directional
 	// notes: for ambientblend, use distance to edge to blend between already existing global environment
 };
 
 struct DirectionalLightData {
-	mediump vec3 direction;
-	highp float energy; // needs to be highp to avoid NaNs being created with high energy values (i.e. when using physical light units and over-exposing the image)
-	mediump vec3 color;
-	mediump float size;
-	mediump float specular;
+	vec3 direction;
+	float energy; // needs to be highp to avoid NaNs being created with high energy values (i.e. when using physical light units and over-exposing the image)
+	vec3 color;
+	float size;
+	float specular;
 	uint mask;
-	highp float softshadow_angle;
-	highp float soft_shadow_scale;
+	float softshadow_angle;
+	float soft_shadow_scale;
 	bool blend_splits;
-	mediump float shadow_opacity;
-	highp float fade_from;
-	highp float fade_to;
+	float shadow_opacity;
+	float fade_from;
+	float fade_to;
 	uvec2 pad;
 	uint bake_mode;
-	mediump float volumetric_fog_energy;
-	highp vec4 shadow_bias;
-	highp vec4 shadow_normal_bias;
-	highp vec4 shadow_transmittance_bias;
-	highp vec4 shadow_z_range;
-	highp vec4 shadow_range_begin;
-	highp vec4 shadow_split_offsets;
-	highp mat4 shadow_matrix1;
-	highp mat4 shadow_matrix2;
-	highp mat4 shadow_matrix3;
-	highp mat4 shadow_matrix4;
-	highp vec2 uv_scale1;
-	highp vec2 uv_scale2;
-	highp vec2 uv_scale3;
-	highp vec2 uv_scale4;
+	float volumetric_fog_energy;
+	vec4 shadow_bias;
+	vec4 shadow_normal_bias;
+	vec4 shadow_transmittance_bias;
+	vec4 shadow_z_range;
+	vec4 shadow_range_begin;
+	vec4 shadow_split_offsets;
+	mat4 shadow_matrix1;
+	mat4 shadow_matrix2;
+	mat4 shadow_matrix3;
+	mat4 shadow_matrix4;
+	vec2 uv_scale1;
+	vec2 uv_scale2;
+	vec2 uv_scale3;
+	vec2 uv_scale4;
 };