blender
/
blender
129
398
Fork 572
Code Issues 6.2k Pull Requests 751 Projects 19 Wiki Activity

Fix T74063: EEVEE Render Passes 

Cycles recently fixed this issue, EEVEE needed to be adapted to output
similar results in the light passes.

This patch implements cycles `safe_divide_even_color` function to a GLSL
function that will be used when extracting the light passes.

Reviewed By: fclem

Differential Revision: https://developer.blender.org/D6948
This commit is contained in:
Jeroen Bakker 2020-02-27 08:55:49 +01:00
parent 403bb357ae
commit 50f9c08979
Notes: blender-bot 2023-02-14 07:39:44 +01:00 
Referenced by issue #74063, Eevee Viewport Shading Render Passes have problems once the saturation of the material becomes 1
1 changed files with 34 additions and 30 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

64
source/blender/draw/engines/eevee/shaders/renderpass_postprocess_frag.glsl
View File

@ -15,6 +15,38 @@ uniform sampler2D inputColorBuffer;
out vec4 fragColor;
vec3 safe_divide_even_color(vec3 a, vec3 b)
{
vec3 result = vec3((b.r != 0.0) ? a.r / b.r : 0.0,
(b.g != 0.0) ? a.g / b.g : 0.0,
(b.b != 0.0) ? a.b / b.b : 0.0);
/* try to get gray even if b is zero */
if (b.r == 0.0) {
if (b.g == 0.0) {
result = result.bbb;
}
else if (b.b == 0.0) {
result = result.ggg;
}
else {
result.r = 0.5 * (result.g + result.b);
}
}
else if (b.g == 0.0) {
if (b.b == 0.0) {
result = result.rrr;
}
else {
result.g = 0.5 * (result.r + result.b);
}
}
else if (b.b == 0.0) {
result.b = 0.5 * (result.r + result.g);
}
return result;
}
void main()
{
ivec2 texel = ivec2(gl_FragCoord.xy);
@ -58,41 +90,13 @@ void main()
else if (postProcessType == PASS_POST_ACCUMULATED_LIGHT) {
vec3 accumulated_light = texelFetch(inputBuffer, texel, 0).rgb;
vec3 accumulated_color = texelFetch(inputColorBuffer, texel, 0).rgb;
/* Fix INF in the case a color component is 0.0 */
if (accumulated_color.r == 0.0) {
accumulated_color.r = 1.0;
accumulated_light.r = 0.0;
}
if (accumulated_color.g == 0.0) {
accumulated_color.g = 1.0;
accumulated_light.g = 0.0;
}
if (accumulated_color.b == 0.0) {
accumulated_color.b = 1.0;
accumulated_light.b = 0.0;
}
fragColor = vec4(accumulated_light / accumulated_color, 1.0);
fragColor = vec4(safe_divide_even_color(accumulated_light, accumulated_color), 1.0);
}
else if (postProcessType == PASS_POST_TWO_LIGHT_BUFFERS) {
vec3 accumulated_light = texelFetch(inputBuffer, texel, 0).rgb +
texelFetch(inputSecondLightBuffer, texel, 0).rgb;
vec3 accumulated_color = texelFetch(inputColorBuffer, texel, 0).rgb;
/* Fix INF in the case a color component is 0.0 */
if (accumulated_color.r == 0.0) {
accumulated_color.r = 1.0;
accumulated_light.r = 0.0;
}
if (accumulated_color.g == 0.0) {
accumulated_color.g = 1.0;
accumulated_light.g = 0.0;
}
if (accumulated_color.b == 0.0) {
accumulated_color.b = 1.0;
accumulated_light.b = 0.0;
}
fragColor = vec4(accumulated_light / accumulated_color, 1.0);
fragColor = vec4(safe_divide_even_color(accumulated_light, accumulated_color), 1.0);
}
else {
/* Output error color: Unknown how to post process this pass. */