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Differential D13910 Diff 47452 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

#pragma BLENDER_REQUIRE(common_view_lib.glsl) #pragma BLENDER_REQUIRE(common_view_lib.glsl)
#pragma BLENDER_REQUIRE(common_math_lib.glsl) #pragma BLENDER_REQUIRE(common_math_lib.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 vec2 invertedViewportSize;
uniform vec2 nearFar;
uniform vec3 dofParams;
uniform float noiseOffset;
uniform sampler2D inputCocTex;
uniform sampler2D maxCocTilesTex;
uniform sampler2D sceneColorTex;
uniform sampler2D sceneDepthTex;
uniform sampler2D backgroundTex;
uniform sampler2D halfResColorTex;
uniform sampler2D blurTex;
uniform sampler2D noiseTex;
#define dof_aperturesize dofParams.x #define dof_aperturesize dofParams.x
#define dof_distance dofParams.y #define dof_distance dofParams.y
#define dof_invsensorsize dofParams.z #define dof_invsensorsize dofParams.z
/* divide by sensor size to get the normalized size */ /* divide by sensor size to get the normalized size */
#define calculate_coc(zdepth) \ #define calculate_coc(zdepth) \
(dof_aperturesize * (dof_distance / zdepth - 1.0) * dof_invsensorsize) (dof_aperturesize * (dof_distance / zdepth - 1.0) * dof_invsensorsize)
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} }
/** /**
* ----------------- 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 = 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);
vec4 color1 = texelFetch(sceneColorTex, texel.xy, 0); vec4 color1 = texelFetch(sceneColorTex, texel.xy, 0);
vec4 color2 = texelFetch(sceneColorTex, texel.zw, 0); vec4 color2 = texelFetch(sceneColorTex, texel.zw, 0);
vec4 color3 = texelFetch(sceneColorTex, texel.zy, 0); vec4 color3 = texelFetch(sceneColorTex, texel.zy, 0);
vec4 color4 = texelFetch(sceneColorTex, texel.xw, 0); vec4 color4 = texelFetch(sceneColorTex, texel.xw, 0);
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#endif #endif
/** /**
* ----------------- STEP 0.5 ------------------ * ----------------- STEP 0.5 ------------------
* Custom Coc aware downsampling. Quarter res pass. * Custom Coc aware downsampling. Quarter res pass.
*/ */
#ifdef DOWNSAMPLE #ifdef DOWNSAMPLE
layout(location = 0) out vec4 outColor;
layout(location = 1) out vec2 outCocs;
void main() void main()
{ {
vec4 texel = vec4(gl_FragCoord.xyxy) * 2.0 + vec4(0.0, 0.0, 1.0, 1.0); vec4 texel = vec4(gl_FragCoord.xyxy) * 2.0 + vec4(0.0, 0.0, 1.0, 1.0);
texel = (texel - 0.5) / vec4(textureSize(sceneColorTex, 0).xyxy); texel = (texel - 0.5) / vec4(textureSize(sceneColorTex, 0).xyxy);
/* Using texelFetch can bypass the mip range setting on some platform. /* Using texelFetch can bypass the mip range setting on some platform.
* Using texture Lod fix this issue. Note that we need to disable filtering to get the right * Using texture Lod fix this issue. Note that we need to disable filtering to get the right
* texel values. */ * texel values. */
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#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;
# define NUM_SAMPLES 49
layout(std140) uniform dofSamplesBlock
{
vec4 samples[NUM_SAMPLES];
};
vec2 get_random_vector(float offset) vec2 get_random_vector(float offset)
{ {
/* Interlieved gradient noise by Jorge Jimenez /* Interlieved gradient noise by Jorge Jimenez
* http://www.iryoku.com/next-generation-post-processing-in-call-of-duty-advanced-warfare */ * http://www.iryoku.com/next-generation-post-processing-in-call-of-duty-advanced-warfare */
float ign = fract(offset + float ign = fract(offset +
52.9829189 * fract(0.06711056 * gl_FragCoord.x + 0.00583715 * gl_FragCoord.y)); 52.9829189 * fract(0.06711056 * gl_FragCoord.x + 0.00583715 * gl_FragCoord.y));
float bn = texelFetch(noiseTex, ivec2(gl_FragCoord.xy) % 64, 0).a; float bn = texelFetch(noiseTex, ivec2(gl_FragCoord.xy) % 64, 0).a;
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* 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;
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
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#endif #endif
/** /**
* ----------------- STEP 4 ------------------ * ----------------- STEP 4 ------------------
*/ */
#ifdef RESOLVE #ifdef RESOLVE
layout(location = 0, index = 0) out vec4 finalColorAdd;
layout(location = 0, index = 1) out vec4 finalColorMul;
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);
float blend = smoothstep(1.0, 3.0, abs(coc)); float blend = smoothstep(1.0, 3.0, abs(coc));
finalColorAdd = texture(halfResColorTex, uv) * blend; finalColorAdd = texture(halfResColorTex, uv) * blend;
finalColorMul = vec4(1.0 - blend); finalColorMul = vec4(1.0 - blend);
} }
#endif #endif