Differential D16990 Diff 60050 source/blender/draw/engines/eevee_next/shaders/eevee_depth_of_field_stabilize_comp.glsl

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source/blender/draw/engines/eevee_next/shaders/eevee_depth_of_field_stabilize_comp.glsl

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#pragma BLENDER_REQUIRE(common_math_geom_lib.glsl)		#pragma BLENDER_REQUIRE(common_math_geom_lib.glsl)
#pragma BLENDER_REQUIRE(eevee_colorspace_lib.glsl)		#pragma BLENDER_REQUIRE(eevee_colorspace_lib.glsl)
#pragma BLENDER_REQUIRE(eevee_depth_of_field_lib.glsl)		#pragma BLENDER_REQUIRE(eevee_depth_of_field_lib.glsl)
#pragma BLENDER_REQUIRE(eevee_velocity_lib.glsl)		#pragma BLENDER_REQUIRE(eevee_velocity_lib.glsl)

struct DofSample {		struct DofSample {
vec4 color;		vec4 color;
float coc;		float coc;

		#ifdef GPU_METAL
		/* Explicit constructors -- To support GLSL syntax. */
		inline DofSample() = default;
		inline DofSample(vec4 in_color, float in_coc) : color(in_color), coc(in_coc)
		{
		}
		#endif
};		};

/* -------------------------------------------------------------------- */		/* -------------------------------------------------------------------- */
/** \name LDS Cache		/** \name LDS Cache
* \{ */		* \{ */
		#define cache_size (gl_WorkGroupSize.x + 2)
const uint cache_size = gl_WorkGroupSize.x + 2;
shared vec4 color_cache[cache_size][cache_size];		shared vec4 color_cache[cache_size][cache_size];
shared float coc_cache[cache_size][cache_size];		shared float coc_cache[cache_size][cache_size];
/* Need 2 pixel border for depth. */		/* Need 2 pixel border for depth. */
const uint cache_depth_size = gl_WorkGroupSize.x + 4;		#define cache_depth_size (gl_WorkGroupSize.x + 4)
shared float depth_cache[cache_depth_size][cache_depth_size];		shared float depth_cache[cache_depth_size][cache_depth_size];

void dof_cache_init()		void dof_cache_init()
{		{
/**		/**
* Load enough values into LDS to perform the filter.		* Load enough values into LDS to perform the filter.
*		*
* ┌──────────────────────────────┐		* ┌──────────────────────────────┐
▲ Show 20 Lines • Show All 97 Lines • ▼ Show 20 Lines	DofSample dof_spatial_filtering()
accum.color *= rcp_weight;		accum.color *= rcp_weight;
accum.coc *= rcp_weight;		accum.coc *= rcp_weight;
return accum;		return accum;
}		}

struct DofNeighborhoodMinMax {		struct DofNeighborhoodMinMax {
DofSample min;		DofSample min;
DofSample max;		DofSample max;

		#ifdef GPU_METAL
		/* Explicit constructors -- To support GLSL syntax. */
		inline DofNeighborhoodMinMax() = default;
		inline DofNeighborhoodMinMax(DofSample in_min, DofSample in_max) : min(in_min), max(in_max)
		{
		}
		#endif
};		};

/* Return history clipping bounding box in YCoCg color space. */		/* Return history clipping bounding box in YCoCg color space. */
DofNeighborhoodMinMax dof_neighbor_boundbox()		DofNeighborhoodMinMax dof_neighbor_boundbox()
{		{
/* Plus (+) shape offsets. */		/* Plus (+) shape offsets. */
const ivec2 plus_offsets[4] = ivec2[4](ivec2(-1, 0), ivec2(0, -1), ivec2(1, 0), ivec2(0, 1));		const ivec2 plus_offsets[4] = ivec2[4](ivec2(-1, 0), ivec2(0, -1), ivec2(1, 0), ivec2(0, 1));
/**		/**
▲ Show 20 Lines • Show All 54 Lines • ▼ Show 20 Lines	vec2 dof_pixel_history_motion_vector(ivec2 texel_sample)
return vector.xy * vec2(textureSize(color_tx, 0));		return vector.xy * vec2(textureSize(color_tx, 0));
}		}

/* Load color using a special filter to avoid losing detail.		/* Load color using a special filter to avoid losing detail.
* \a texel is sample position with subpixel accuracy. */		* \a texel is sample position with subpixel accuracy. */
DofSample dof_sample_history(vec2 input_texel)		DofSample dof_sample_history(vec2 input_texel)
{		{
#if 1 /* Bilinar. */		#if 1 /* Bilinar. */
vec2 uv = vec2(input_texel + 0.5) / textureSize(in_history_tx, 0);		vec2 uv = vec2(input_texel + 0.5) / vec2(textureSize(in_history_tx, 0));
vec4 color = textureLod(in_history_tx, uv, 0.0);		vec4 color = textureLod(in_history_tx, uv, 0.0);

#else /* Catmull Rom interpolation. 5 Bilinear Taps. */		#else /* Catmull Rom interpolation. 5 Bilinear Taps. */
vec2 center_texel;		vec2 center_texel;
vec2 inter_texel = modf(input_texel, center_texel);		vec2 inter_texel = modf(input_texel, center_texel);
vec2 weights[4];		vec2 weights[4];
film_get_catmull_rom_weights(inter_texel, weights);		film_get_catmull_rom_weights(inter_texel, weights);

▲ Show 20 Lines • Show All 75 Lines • ▼ Show 20 Lines	float dof_history_blend_factor(
float coc_diff_ratio = saturate(abs(src.coc - dst.coc) / max(1.0, abs(src.coc)));		float coc_diff_ratio = saturate(abs(src.coc - dst.coc) / max(1.0, abs(src.coc)));
blend = mix(blend, 1.0, coc_diff_ratio);		blend = mix(blend, 1.0, coc_diff_ratio);
/* Discard out of view history. */		/* Discard out of view history. */
if (any(lessThan(texel, vec2(0))) \|\|		if (any(lessThan(texel, vec2(0))) \|\|
any(greaterThanEqual(texel, vec2(imageSize(out_history_img))))) {		any(greaterThanEqual(texel, vec2(imageSize(out_history_img))))) {
blend = 1.0;		blend = 1.0;
}		}
/* Discard history if invalid. */		/* Discard history if invalid. */
if (use_history == false) {		if (u_use_history == false) {
blend = 1.0;		blend = 1.0;
}		}
return blend;		return blend;
}		}

void main()		void main()
{		{
dof_cache_init();		dof_cache_init();
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