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Cycles: optimize 3D viewport rendering with camera passepartout 

If the area outside the camera is fully opaque, don't render it.

Contributed by Kdaf.

Differential Revision: https://developer.blender.org/D11182
This commit is contained in:
Brecht Van Lommel 2021-05-31 16:21:24 +02:00
parent 875a8a6c79
commit 25316ef9d7
3 changed files with 25 additions and 18 deletions
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27
intern/cycles/blender/blender_camera.cpp
View File

@ -83,6 +83,8 @@ struct BlenderCamera {
BoundBox2D pano_viewplane;
BoundBox2D viewport_camera_border;
float passepartout_alpha;
Transform matrix;
float offscreen_dicing_scale;
@ -125,6 +127,7 @@ static void blender_camera_init(BlenderCamera *bcam, BL::RenderSettings &b_rende
bcam->pano_viewplane.top = 1.0f;
bcam->viewport_camera_border.right = 1.0f;
bcam->viewport_camera_border.top = 1.0f;
bcam->passepartout_alpha = 0.5f;
bcam->offscreen_dicing_scale = 1.0f;
bcam->matrix = transform_identity();
@ -212,6 +215,8 @@ static void blender_camera_from_object(BlenderCamera *bcam,
bcam->lens = b_camera.lens();
bcam->passepartout_alpha = b_camera.show_passepartout() ? b_camera.passepartout_alpha() : 0.0f;
if (b_camera.dof().use_dof()) {
/* allow f/stop number to change aperture_size but still
* give manual control over aperture radius */
@ -834,15 +839,19 @@ static void blender_camera_border(BlenderCamera *bcam,
full_border,
&bcam->viewport_camera_border);
if (!b_render.use_border()) {
if (b_render.use_border()) {
bcam->border.left = b_render.border_min_x();
bcam->border.right = b_render.border_max_x();
bcam->border.bottom = b_render.border_min_y();
bcam->border.top = b_render.border_max_y();
}
else if (bcam->passepartout_alpha == 1.0f) {
bcam->border = full_border;
}
else {
return;
}
bcam->border.left = b_render.border_min_x();
bcam->border.right = b_render.border_max_x();
bcam->border.bottom = b_render.border_min_y();
bcam->border.top = b_render.border_max_y();
/* Determine viewport subset matching camera border. */
blender_camera_border_subset(b_engine,
b_render,
@ -885,8 +894,7 @@ void BlenderSync::sync_view(BL::SpaceView3D &b_v3d,
}
}
BufferParams BlenderSync::get_buffer_params(BL::RenderSettings &b_render,
BL::SpaceView3D &b_v3d,
BufferParams BlenderSync::get_buffer_params(BL::SpaceView3D &b_v3d,
BL::RegionView3D &b_rv3d,
Camera *cam,
int width,
@ -902,7 +910,8 @@ BufferParams BlenderSync::get_buffer_params(BL::RenderSettings &b_render,
if (b_v3d && b_rv3d && b_rv3d.view_perspective() != BL::RegionView3D::view_perspective_CAMERA)
use_border = b_v3d.use_render_border();
else
use_border = b_render.use_border();
/* the camera can always have a passepartout */
use_border = true;
if (use_border) {
/* border render */

13
intern/cycles/blender/blender_session.cpp
View File

@ -155,7 +155,7 @@ void BlenderSession::create_session()
/* set buffer parameters */
BufferParams buffer_params = BlenderSync::get_buffer_params(
b_render, b_v3d, b_rv3d, scene->camera, width, height, session_params.denoising.use);
b_v3d, b_rv3d, scene->camera, width, height, session_params.denoising.use);
session->reset(buffer_params, session_params.samples);
b_engine.use_highlight_tiles(session_params.progressive_refine == false);
@ -242,8 +242,7 @@ void BlenderSession::reset_session(BL::BlendData &b_data, BL::Depsgraph &b_depsg
BL::SpaceView3D b_null_space_view3d(PointerRNA_NULL);
BL::RegionView3D b_null_region_view3d(PointerRNA_NULL);
BufferParams buffer_params = BlenderSync::get_buffer_params(b_render,
b_null_space_view3d,
BufferParams buffer_params = BlenderSync::get_buffer_params(b_null_space_view3d,
b_null_region_view3d,
scene->camera,
width,
@ -486,7 +485,7 @@ void BlenderSession::render(BL::Depsgraph &b_depsgraph_)
SessionParams session_params = BlenderSync::get_session_params(
b_engine, b_userpref, b_scene, background, b_view_layer);
BufferParams buffer_params = BlenderSync::get_buffer_params(
b_render, b_v3d, b_rv3d, scene->camera, width, height, session_params.denoising.use);
b_v3d, b_rv3d, scene->camera, width, height, session_params.denoising.use);
/* temporary render result to find needed passes and views */
BL::RenderResult b_rr = begin_render_result(
@ -810,7 +809,7 @@ void BlenderSession::synchronize(BL::Depsgraph &b_depsgraph_)
/* get buffer parameters */
BufferParams buffer_params = BlenderSync::get_buffer_params(
b_render, b_v3d, b_rv3d, scene->camera, width, height, session_params.denoising.use);
b_v3d, b_rv3d, scene->camera, width, height, session_params.denoising.use);
if (!buffer_params.denoising_data_pass) {
session_params.denoising.use = false;
@ -889,7 +888,7 @@ bool BlenderSession::draw(int w, int h)
SessionParams session_params = BlenderSync::get_session_params(
b_engine, b_userpref, b_scene, background);
BufferParams buffer_params = BlenderSync::get_buffer_params(
b_render, b_v3d, b_rv3d, scene->camera, width, height, session_params.denoising.use);
b_v3d, b_rv3d, scene->camera, width, height, session_params.denoising.use);
bool session_pause = BlenderSync::get_session_pause(b_scene, background);
if (session_pause == false) {
@ -907,7 +906,7 @@ bool BlenderSession::draw(int w, int h)
/* draw */
BufferParams buffer_params = BlenderSync::get_buffer_params(
b_render, b_v3d, b_rv3d, scene->camera, width, height, session->params.denoising.use);
b_v3d, b_rv3d, scene->camera, width, height, session->params.denoising.use);
DeviceDrawParams draw_params;
if (session->params.display_buffer_linear) {

3
intern/cycles/blender/blender_sync.h
View File

@ -104,8 +104,7 @@ class BlenderSync {
bool background,
BL::ViewLayer b_view_layer = BL::ViewLayer(PointerRNA_NULL));
static bool get_session_pause(BL::Scene &b_scene, bool background);
static BufferParams get_buffer_params(BL::RenderSettings &b_render,
BL::SpaceView3D &b_v3d,
static BufferParams get_buffer_params(BL::SpaceView3D &b_v3d,
BL::RegionView3D &b_rv3d,
Camera *cam,
int width,