Differential D4455 Diff 14275 source/blender/draw/engines/workbench/shaders/workbench_effect_dof_frag.glsl

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source/blender/draw/engines/workbench/shaders/workbench_effect_dof_frag.glsl

/**		/**
* Separable Hexagonal Bokeh Blur by Colin Barré-Brisebois		* Separable Hexagonal Bokeh Blur by Colin Barré-Brisebois
* https://colinbarrebrisebois.com/2017/04/18/hexagonal-bokeh-blur-revisited-part-1-basic-3-pass-version/		* https://colinbarrebrisebois.com/2017/04/18/hexagonal-bokeh-blur-revisited-part-1-basic-3-pass-version/
* Converted and adapted from HLSL to GLSL by Clément Foucault		* Converted and adapted from HLSL to GLSL by Clément Foucault
**/		*/

uniform mat4 ProjectionMatrix;		uniform mat4 ProjectionMatrix;
uniform vec2 invertedViewportSize;		uniform vec2 invertedViewportSize;
uniform vec2 nearFar;		uniform vec2 nearFar;
uniform vec3 dofParams;		uniform vec3 dofParams;
uniform float noiseOffset;		uniform float noiseOffset;
uniform sampler2D inputCocTex;		uniform sampler2D inputCocTex;
uniform sampler2D maxCocTilesTex;		uniform sampler2D maxCocTilesTex;
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const float MAX_COC_SIZE = 100.0;		const float MAX_COC_SIZE = 100.0;
vec2 encode_coc(float near, float far) { return vec2(near, far) / MAX_COC_SIZE; }		vec2 encode_coc(float near, float far) { return vec2(near, far) / MAX_COC_SIZE; }
float decode_coc(vec2 cocs) { return max(cocs.x, cocs.y) * MAX_COC_SIZE; }		float decode_coc(vec2 cocs) { return max(cocs.x, cocs.y) * MAX_COC_SIZE; }
float decode_signed_coc(vec2 cocs) { return ((cocs.x > cocs.y) ? cocs.x : -cocs.y) * MAX_COC_SIZE; }		float decode_signed_coc(vec2 cocs) { return ((cocs.x > cocs.y) ? cocs.x : -cocs.y) * MAX_COC_SIZE; }

/**		/**
* ----------------- STEP 0 ------------------		* ----------------- STEP 0 ------------------
* Custom Coc aware downsampling. Half res pass.		* Custom Coc aware downsampling. Half res pass.
**/		*/
#ifdef PREPARE		#ifdef PREPARE

layout(location = 0) out vec4 halfResColor;		layout(location = 0) out vec4 halfResColor;
layout(location = 1) out vec2 normalizedCoc;		layout(location = 1) out vec2 normalizedCoc;

void main()		void main()
{		{
ivec4 texel = ivec4(gl_FragCoord.xyxy) * 2 + ivec4(0, 0, 1, 1);		ivec4 texel = ivec4(gl_FragCoord.xyxy) * 2 + ivec4(0, 0, 1, 1);
Show All 30 Lines	void main()

normalizedCoc = encode_coc(coc_near, coc_far);		normalizedCoc = encode_coc(coc_near, coc_far);
}		}
#endif		#endif

/**		/**
* ----------------- STEP 0.5 ------------------		* ----------------- STEP 0.5 ------------------
* Custom Coc aware downsampling. Quater res pass.		* Custom Coc aware downsampling. Quater res pass.
**/		*/
#ifdef DOWNSAMPLE		#ifdef DOWNSAMPLE

layout(location = 0) out vec4 outColor;		layout(location = 0) out vec4 outColor;
layout(location = 1) out vec2 outCocs;		layout(location = 1) out vec2 outCocs;

void main()		void main()
{		{
ivec4 texel = ivec4(gl_FragCoord.xyxy) * 2 + ivec4(0, 0, 1, 1);		ivec4 texel = ivec4(gl_FragCoord.xyxy) * 2 + ivec4(0, 0, 1, 1);
Show All 27 Lines	void main()

outCocs = encode_coc(coc_near, coc_far);		outCocs = encode_coc(coc_near, coc_far);
}		}
#endif		#endif

/**		/**
* ----------------- STEP 1 ------------------		* ----------------- STEP 1 ------------------
* Flatten COC buffer using max filter.		* Flatten COC buffer using max filter.
**/		*/
#if defined(FLATTEN_VERTICAL) \|\| defined(FLATTEN_HORIZONTAL)		#if defined(FLATTEN_VERTICAL) \|\| defined(FLATTEN_HORIZONTAL)

layout(location = 0) out vec2 flattenedCoc;		layout(location = 0) out vec2 flattenedCoc;

void main()		void main()
{		{
#ifdef FLATTEN_HORIZONTAL		#ifdef FLATTEN_HORIZONTAL
ivec2 texel = ivec2(gl_FragCoord.xy) * ivec2(8, 1);		ivec2 texel = ivec2(gl_FragCoord.xy) * ivec2(8, 1);
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#endif		#endif
flattenedCoc = max(max(max(cocs1, cocs2), max(cocs3, cocs4)), max(max(cocs5, cocs6), max(cocs7, cocs8)));		flattenedCoc = max(max(max(cocs1, cocs2), max(cocs3, cocs4)), max(max(cocs5, cocs6), max(cocs7, cocs8)));
}		}
#endif		#endif

/**		/**
* ----------------- STEP 1.ax------------------		* ----------------- STEP 1.ax------------------
* Dilate COC buffer using min filter.		* Dilate COC buffer using min filter.
**/		*/
#if defined(DILATE_VERTICAL) \|\| defined(DILATE_HORIZONTAL)		#if defined(DILATE_VERTICAL) \|\| defined(DILATE_HORIZONTAL)

layout(location = 0) out vec2 dilatedCoc;		layout(location = 0) out vec2 dilatedCoc;

void main()		void main()
{		{
vec2 texel_size = 1.0 / vec2(textureSize(inputCocTex, 0));		vec2 texel_size = 1.0 / vec2(textureSize(inputCocTex, 0));
vec2 uv = gl_FragCoord.xy * texel_size;		vec2 uv = gl_FragCoord.xy * texel_size;
Show All 18 Lines	#endif
dilatedCoc = max(max(max(cocs1, cocs2), max(cocs3, cocs4)), max(max(cocs5, cocs6), cocs7));		dilatedCoc = max(max(max(cocs1, cocs2), max(cocs3, cocs4)), max(max(cocs5, cocs6), cocs7));
}		}
#endif		#endif

/**		/**
* ----------------- STEP 2 ------------------		* ----------------- STEP 2 ------------------
* Blur vertically and diagonally.		* Blur vertically and diagonally.
* Outputs vertical blur and combined blur in MRT		* Outputs vertical blur and combined blur in MRT
**/		*/
#ifdef BLUR1		#ifdef BLUR1
layout(location = 0) out vec4 blurColor;		layout(location = 0) out vec4 blurColor;

#define NUM_SAMPLES 49		#define NUM_SAMPLES 49

layout(std140) uniform dofSamplesBlock {		layout(std140) uniform dofSamplesBlock {
vec4 samples[NUM_SAMPLES];		vec4 samples[NUM_SAMPLES];
};		};
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT		* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,		* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT		* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,		* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY		* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT		* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE		* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.		* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
**/		*/
#ifdef BLUR2		#ifdef BLUR2
out vec4 finalColor;		out vec4 finalColor;

void main()		void main()
{		{
/* Half Res pass */		/* Half Res pass */
vec2 pixel_size = 1.0 / vec2(textureSize(blurTex, 0).xy);		vec2 pixel_size = 1.0 / vec2(textureSize(blurTex, 0).xy);
vec2 uv = gl_FragCoord.xy * pixel_size.xy;		vec2 uv = gl_FragCoord.xy * pixel_size.xy;
float coc = decode_coc(texture(inputCocTex, uv).rg);		float coc = decode_coc(texture(inputCocTex, uv).rg);
/* Only use this filter if coc is > 9.0		/* Only use this filter if coc is > 9.0
* since this filter is not weighted by CoC		* since this filter is not weighted by CoC
* and can bleed a bit. */		* and can bleed a bit. */
float rad = clamp(coc - 9.0, 0.0, 1.0);		float rad = clamp(coc - 9.0, 0.0, 1.0);

#define vec vec4		#define vec vec4
#define toVec(x) x.rgba		#define toVec(x) x.rgba
Show All 29 Lines	#define mnmx6(a, b, c, d, e, f) s2(a, d); s2(b, e); s2(c, f); mn3(a, b, c); mx3(d, e, f); // 7 exchanges
mnmx3(v[3], v[4], v[8]);		mnmx3(v[3], v[4], v[8]);
toVec(finalColor) = v[4];		toVec(finalColor) = v[4];
}		}

#endif		#endif

/**		/**
* ----------------- STEP 4 ------------------		* ----------------- STEP 4 ------------------
**/		*/
#ifdef RESOLVE		#ifdef RESOLVE
out vec4 finalColor;		out vec4 finalColor;

void main()		void main()
{		{
/* Fullscreen pass */		/* Fullscreen pass */
vec2 pixel_size = 0.5 / vec2(textureSize(halfResColorTex, 0).xy);		vec2 pixel_size = 0.5 / vec2(textureSize(halfResColorTex, 0).xy);
vec2 uv = gl_FragCoord.xy * pixel_size;		vec2 uv = gl_FragCoord.xy * pixel_size;

/* TODO MAKE SURE TO ALIGN SAMPLE POSITION TO AVOID OFFSET IN THE BOKEH */		/* TODO MAKE SURE TO ALIGN SAMPLE POSITION TO AVOID OFFSET IN THE BOKEH */
float depth = texelFetch(sceneDepthTex, ivec2(gl_FragCoord.xy), 0).r;		float depth = texelFetch(sceneDepthTex, ivec2(gl_FragCoord.xy), 0).r;
float zdepth = linear_depth(depth);		float zdepth = linear_depth(depth);
float coc = calculate_coc(zdepth);		float coc = calculate_coc(zdepth);

finalColor = texture(halfResColorTex, uv);		finalColor = texture(halfResColorTex, uv);
finalColor.a = smoothstep(1.0, 3.0, abs(coc));		finalColor.a = smoothstep(1.0, 3.0, abs(coc));
}		}
#endif		#endif
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