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Optimize and fix backbuffer gaussian blur

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This commit is contained in:
clayjohn
2022-02-05 15:03:39 -08:00
parent c24fc415dc
commit 60d8df3fee
5 changed files with 61 additions and 102 deletions
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43
servers/rendering/renderer_rd/renderer_storage_rd.cpp
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@@ -7516,10 +7516,6 @@ void RendererStorageRD::_clear_render_target(RenderTarget *rt) {
if (rt->backbuffer.is_valid()) {
RD::get_singleton()->free(rt->backbuffer);
rt->backbuffer = RID();
for (int i = 0; i < rt->backbuffer_mipmaps.size(); i++) {
//just erase copies, since the rest are erased by dependency
RD::get_singleton()->free(rt->backbuffer_mipmaps[i].mipmap_copy);
}
rt->backbuffer_mipmaps.clear();
rt->backbuffer_uniform_set = RID(); //chain deleted
}
@@ -7636,7 +7632,9 @@ void RendererStorageRD::_create_render_target_backbuffer(RenderTarget *rt) {
tf.mipmaps = mipmaps_required;
rt->backbuffer = RD::get_singleton()->texture_create(tf, RD::TextureView());
RD::get_singleton()->set_resource_name(rt->backbuffer, "Render Target Back Buffer");
rt->backbuffer_mipmap0 = RD::get_singleton()->texture_create_shared_from_slice(RD::TextureView(), rt->backbuffer, 0, 0);
RD::get_singleton()->set_resource_name(rt->backbuffer_mipmap0, "Back Buffer slice mipmap 0");
{
Vector<RID> fb_tex;
@@ -7651,23 +7649,10 @@ void RendererStorageRD::_create_render_target_backbuffer(RenderTarget *rt) {
}
//create mipmaps
for (uint32_t i = 1; i < mipmaps_required; i++) {
RenderTarget::BackbufferMipmap mm;
{
mm.mipmap = RD::get_singleton()->texture_create_shared_from_slice(RD::TextureView(), rt->backbuffer, 0, i);
}
RID mipmap = RD::get_singleton()->texture_create_shared_from_slice(RD::TextureView(), rt->backbuffer, 0, i);
RD::get_singleton()->set_resource_name(mipmap, "Back Buffer slice mip: " + itos(i));
{
Size2 mm_size = Image::get_image_mipmap_size(tf.width, tf.height, Image::FORMAT_RGBA8, i);
RD::TextureFormat mmtf = tf;
mmtf.width = mm_size.width;
mmtf.height = mm_size.height;
mmtf.mipmaps = 1;
mm.mipmap_copy = RD::get_singleton()->texture_create(mmtf, RD::TextureView());
}
rt->backbuffer_mipmaps.push_back(mm);
rt->backbuffer_mipmaps.push_back(mipmap);
}
}
@@ -8111,7 +8096,7 @@ void RendererStorageRD::render_target_copy_to_back_buffer(RID p_render_target, c
if (!p_gen_mipmaps) {
return;
}
RD::get_singleton()->draw_command_begin_label("Gaussian Blur Mipmaps");
//then mipmap blur
RID prev_texture = rt->color; //use color, not backbuffer, as bb has mipmaps.
@@ -8121,10 +8106,11 @@ void RendererStorageRD::render_target_copy_to_back_buffer(RID p_render_target, c
region.size.x = MAX(1, region.size.x >> 1);
region.size.y = MAX(1, region.size.y >> 1);
const RenderTarget::BackbufferMipmap &mm = rt->backbuffer_mipmaps[i];
effects->gaussian_blur(prev_texture, mm.mipmap, mm.mipmap_copy, region, true);
prev_texture = mm.mipmap;
RID mipmap = rt->backbuffer_mipmaps[i];
effects->gaussian_blur(prev_texture, mipmap, region, true);
prev_texture = mipmap;
}
RD::get_singleton()->draw_command_end_label();
}
void RendererStorageRD::render_target_clear_back_buffer(RID p_render_target, const Rect2i &p_region, const Color &p_color) {
@@ -8164,7 +8150,7 @@ void RendererStorageRD::render_target_gen_back_buffer_mipmaps(RID p_render_targe
return; //nothing to do
}
}
RD::get_singleton()->draw_command_begin_label("Gaussian Blur Mipmaps2");
//then mipmap blur
RID prev_texture = rt->backbuffer_mipmap0;
@@ -8174,10 +8160,11 @@ void RendererStorageRD::render_target_gen_back_buffer_mipmaps(RID p_render_targe
region.size.x = MAX(1, region.size.x >> 1);
region.size.y = MAX(1, region.size.y >> 1);
const RenderTarget::BackbufferMipmap &mm = rt->backbuffer_mipmaps[i];
effects->gaussian_blur(prev_texture, mm.mipmap, mm.mipmap_copy, region, true);
prev_texture = mm.mipmap;
RID mipmap = rt->backbuffer_mipmaps[i];
effects->gaussian_blur(prev_texture, mipmap, region, true);
prev_texture = mipmap;
}
RD::get_singleton()->draw_command_end_label();
}
RID RendererStorageRD::render_target_get_framebuffer_uniform_set(RID p_render_target) {