Workbench: Tempural Anti Aliasing

- FXAA is now also done in the workbench_forward engine.
- User can enable TAA8 in the userpref by setting their max
viewport AA to TAA8. FXAA will still be used when navigating

1 files changed, 15 insertions, 0 deletions

diff --git a/source/blender/draw/engines/workbench/shaders/workbench_effect_taa_frag.glsl b/source/blender/draw/engines/workbench/shaders/workbench_effect_taa_frag.glsl
new file mode 100644
index 00000000000..d962ffedf1f
--- /dev/null
+++ b/source/blender/draw/engines/workbench/shaders/workbench_effect_taa_frag.glsl
@@ -0,0 +1,15 @@
+uniform sampler2D historyBuffer;
+uniform sampler2D colorBuffer;
+
+out vec4 colorOutput;
+
+uniform float mixFactor;
+
+void main()
+{
+	ivec2 texel = ivec2(gl_FragCoord.xy);
+
+	vec4 history_buffer = texelFetch(historyBuffer, texel, 0);
+	vec4 color_buffer = texelFetch(colorBuffer, texel, 0);
+	colorOutput = mix(history_buffer, color_buffer, mixFactor);
+}
\ No newline at end of file