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EEVEE-Next: Depth Of Field: Avoid Framebuffer setup cost for each redraw

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Using 2 framebuffer, if the temp textures are the same across redraws,
we can avoid the setup cost.
This commit is contained in:
Clément Foucault
2022-08-05 14:25:20 +02:00
parent f6ce2c1f78
commit 91250022d0
2 changed files with 5 additions and 3 deletions
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5
source/blender/draw/engines/eevee_next/eevee_depth_of_field.cc
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@@ -685,6 +685,7 @@ void DepthOfField::render(GPUTexture **input_tx,
SwapChain<TextureFromPool, 2> &color_tx = is_background ? color_bg_tx_ : color_fg_tx_;
SwapChain<TextureFromPool, 2> &weight_tx = is_background ? weight_bg_tx_ : weight_fg_tx_;
Framebuffer &scatter_fb = is_background ? scatter_bg_fb_ : scatter_fg_fb_;
DRWPass *gather_ps = is_background ? gather_bg_ps_ : gather_fg_ps_;
DRWPass *filter_ps = is_background ? filter_bg_ps_ : filter_fg_ps_;
DRWPass *scatter_ps = is_background ? scatter_bg_ps_ : scatter_fg_ps_;
@@ -711,9 +712,9 @@ void DepthOfField::render(GPUTexture **input_tx,
GPU_memory_barrier(GPU_BARRIER_FRAMEBUFFER);
scatter_fb_.ensure(GPU_ATTACHMENT_NONE, GPU_ATTACHMENT_TEXTURE(color_tx.current()));
scatter_fb.ensure(GPU_ATTACHMENT_NONE, GPU_ATTACHMENT_TEXTURE(color_tx.current()));
GPU_framebuffer_bind(scatter_fb_);
GPU_framebuffer_bind(scatter_fb);
DRW_draw_pass(scatter_ps);
/* Used by scatter pass. */

3
source/blender/draw/engines/eevee_next/eevee_depth_of_field.hh
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@@ -122,7 +122,8 @@ class DepthOfField {
DRWPass *filter_bg_ps_ = nullptr;
/** Scatter convolution: A quad is emitted for every 4 bright enough half pixels. */
Framebuffer scatter_fb_ = {"dof_scatter"};
Framebuffer scatter_fg_fb_ = {"dof_scatter_fg"};
Framebuffer scatter_bg_fb_ = {"dof_scatter_bg"};
DRWPass *scatter_fg_ps_ = nullptr;
DRWPass *scatter_bg_ps_ = nullptr;