diff options
Diffstat (limited to 'intern/cycles/blender/blender_camera.cpp')
| -rw-r--r-- | intern/cycles/blender/blender_camera.cpp | 212 |
1 files changed, 117 insertions, 95 deletions
diff --git a/intern/cycles/blender/blender_camera.cpp b/intern/cycles/blender/blender_camera.cpp index e16677336d5..61fe7cf254d 100644 --- a/intern/cycles/blender/blender_camera.cpp +++ b/intern/cycles/blender/blender_camera.cpp @@ -56,10 +56,8 @@ struct BlenderCamera { float sensor_width; float sensor_height; - float border_left; - float border_right; - float border_bottom; - float border_top; + BoundBox2D border; + BoundBox2D pano_viewplane; Transform matrix; }; @@ -75,8 +73,10 @@ static void blender_camera_init(BlenderCamera *bcam) bcam->sensor_height = 18.0f; bcam->sensor_fit = BlenderCamera::AUTO; bcam->shuttertime = 1.0f; - bcam->border_right = 1.0f; - bcam->border_top = 1.0f; + bcam->border.right = 1.0f; + bcam->border.top = 1.0f; + bcam->pano_viewplane.right = 1.0f; + bcam->pano_viewplane.top = 1.0f; } static float blender_camera_focal_distance(BL::Object b_ob, BL::Camera b_camera) @@ -199,7 +199,7 @@ static Transform blender_camera_matrix(const Transform& tfm, CameraType type) } static void blender_camera_viewplane(BlenderCamera *bcam, int width, int height, - float *left, float *right, float *bottom, float *top, float *aspectratio, float *sensor_size) + BoundBox2D *viewplane, float *aspectratio, float *sensor_size) { /* dimensions */ float xratio = width*bcam->pixelaspect.x; @@ -244,32 +244,26 @@ static void blender_camera_viewplane(BlenderCamera *bcam, int width, int height, if(bcam->type == CAMERA_PANORAMA) { /* set viewplane */ - *left = 0.0f; - *right = 1.0f; - *bottom = 0.0f; - *top = 1.0f; + *viewplane = bcam->pano_viewplane; } else { /* set viewplane */ - *left = -xaspect; - *right = xaspect; - *bottom = -yaspect; - *top = yaspect; + viewplane->left = -xaspect; + viewplane->right = xaspect; + viewplane->bottom = -yaspect; + viewplane->top = yaspect; /* zoom for 3d camera view */ - *left *= bcam->zoom; - *right *= bcam->zoom; - *bottom *= bcam->zoom; - *top *= bcam->zoom; + *viewplane = (*viewplane) * bcam->zoom; /* modify viewplane with camera shift and 3d camera view offset */ float dx = 2.0f*(*aspectratio*bcam->shift.x + bcam->offset.x*xaspect*2.0f); float dy = 2.0f*(*aspectratio*bcam->shift.y + bcam->offset.y*yaspect*2.0f); - *left += dx; - *right += dx; - *bottom += dy; - *top += dy; + viewplane->left += dx; + viewplane->right += dx; + viewplane->bottom += dy; + viewplane->top += dy; } } @@ -281,7 +275,7 @@ static void blender_camera_sync(Camera *cam, BlenderCamera *bcam, int width, int /* viewplane */ blender_camera_viewplane(bcam, width, height, - &cam->left, &cam->right, &cam->bottom, &cam->top, &aspectratio, &sensor_size); + &cam->viewplane, &aspectratio, &sensor_size); /* sensor */ cam->sensorwidth = bcam->sensor_width; @@ -314,10 +308,7 @@ static void blender_camera_sync(Camera *cam, BlenderCamera *bcam, int width, int cam->shuttertime = bcam->shuttertime; /* border */ - cam->border_left = bcam->border_left; - cam->border_right = bcam->border_right; - cam->border_bottom = bcam->border_bottom; - cam->border_top = bcam->border_top; + cam->border = bcam->border; /* set update flag */ if(cam->modified(prevcam)) @@ -340,10 +331,10 @@ void BlenderSync::sync_camera(BL::Object b_override, int width, int height) /* border */ if(r.use_border()) { - bcam.border_left = r.border_min_x(); - bcam.border_right = r.border_max_x(); - bcam.border_bottom = r.border_min_y(); - bcam.border_top = r.border_max_y(); + bcam.border.left = r.border_min_x(); + bcam.border.right = r.border_max_x(); + bcam.border.bottom = r.border_min_y(); + bcam.border.top = r.border_max_y(); } /* camera object */ @@ -381,6 +372,9 @@ void BlenderSync::sync_camera_motion(BL::Object b_ob, int motion) /* Sync 3D View Camera */ +static void blender_camera_view_subset(BL::Scene b_scene, BL::Object b_ob, BL::SpaceView3D b_v3d, + BL::RegionView3D b_rv3d, int width, int height, BoundBox2D *view_box, BoundBox2D *cam_box); + static void blender_camera_from_view(BlenderCamera *bcam, BL::Scene b_scene, BL::SpaceView3D b_v3d, BL::RegionView3D b_rv3d, int width, int height, bool skip_panorama = false) { /* 3d view parameters */ @@ -396,14 +390,25 @@ static void blender_camera_from_view(BlenderCamera *bcam, BL::Scene b_scene, BL: if(b_ob) { blender_camera_from_object(bcam, b_ob, skip_panorama); - /* magic zoom formula */ - bcam->zoom = (float)b_rv3d.view_camera_zoom(); - bcam->zoom = (1.41421f + bcam->zoom/50.0f); - bcam->zoom *= bcam->zoom; - bcam->zoom = 2.0f/bcam->zoom; - - /* offset */ - bcam->offset = get_float2(b_rv3d.view_camera_offset()); + if(!skip_panorama && bcam->type == CAMERA_PANORAMA) { + /* in panorama camera view, we map viewplane to camera border */ + BoundBox2D view_box, cam_box; + + blender_camera_view_subset(b_scene, b_ob, b_v3d, b_rv3d, width, height, + &view_box, &cam_box); + + bcam->pano_viewplane = view_box.make_relative_to(cam_box); + } + else { + /* magic zoom formula */ + bcam->zoom = (float)b_rv3d.view_camera_zoom(); + bcam->zoom = (1.41421f + bcam->zoom/50.0f); + bcam->zoom *= bcam->zoom; + bcam->zoom = 2.0f/bcam->zoom; + + /* offset */ + bcam->offset = get_float2(b_rv3d.view_camera_offset()); + } } } else if(b_rv3d.view_perspective() == BL::RegionView3D::view_perspective_ORTHO) { @@ -411,8 +416,14 @@ static void blender_camera_from_view(BlenderCamera *bcam, BL::Scene b_scene, BL: bcam->farclip *= 0.5f; bcam->nearclip = -bcam->farclip; + float sensor_size; + if(bcam->sensor_fit == BlenderCamera::VERTICAL) + sensor_size = bcam->sensor_height; + else + sensor_size = bcam->sensor_width; + bcam->type = CAMERA_ORTHOGRAPHIC; - bcam->ortho_scale = b_rv3d.view_distance(); + bcam->ortho_scale = b_rv3d.view_distance() * sensor_size / b_v3d.lens(); } bcam->zoom *= 2.0f; @@ -421,30 +432,11 @@ static void blender_camera_from_view(BlenderCamera *bcam, BL::Scene b_scene, BL: bcam->matrix = transform_inverse(get_transform(b_rv3d.view_matrix())); } -static void blender_camera_border(BlenderCamera *bcam, BL::Scene b_scene, BL::SpaceView3D b_v3d, - BL::RegionView3D b_rv3d, int width, int height) +static void blender_camera_view_subset(BL::Scene b_scene, BL::Object b_ob, BL::SpaceView3D b_v3d, + BL::RegionView3D b_rv3d, int width, int height, BoundBox2D *view_box, BoundBox2D *cam_box) { BL::RenderSettings r = b_scene.render(); - - if(!r.use_border()) - return; - - /* camera view? */ - if(!(b_rv3d && b_rv3d.view_perspective() == BL::RegionView3D::view_perspective_CAMERA)) - return; - - BL::Object b_ob = (b_v3d.lock_camera_and_layers())? b_scene.camera(): b_v3d.camera(); - - if(!b_ob) - return; - - bcam->border_left = r.border_min_x(); - bcam->border_right = r.border_max_x(); - bcam->border_bottom = r.border_min_y(); - bcam->border_top = r.border_max_y(); - - float cam_left, cam_right, cam_bottom, cam_top; - float view_left, view_right, view_bottom, view_top; + BoundBox2D cam, view; float view_aspect, cam_aspect, sensor_size; /* get viewport viewplane */ @@ -453,12 +445,7 @@ static void blender_camera_border(BlenderCamera *bcam, BL::Scene b_scene, BL::Sp blender_camera_from_view(&view_bcam, b_scene, b_v3d, b_rv3d, width, height, true); blender_camera_viewplane(&view_bcam, width, height, - &view_left, &view_right, &view_bottom, &view_top, &view_aspect, &sensor_size); - - view_left /= view_aspect; - view_right /= view_aspect; - view_bottom /= view_aspect; - view_top /= view_aspect; + &view, &view_aspect, &sensor_size); /* get camera viewplane */ BlenderCamera cam_bcam; @@ -469,29 +456,58 @@ static void blender_camera_border(BlenderCamera *bcam, BL::Scene b_scene, BL::Sp height = (int)(r.resolution_y()*r.resolution_percentage()/100); blender_camera_viewplane(&cam_bcam, width, height, - &cam_left, &cam_right, &cam_bottom, &cam_top, &cam_aspect, &sensor_size); + &cam, &cam_aspect, &sensor_size); + + /* return */ + *view_box = view * (1.0f/view_aspect); + *cam_box = cam * (1.0f/cam_aspect); +} + +static void blender_camera_border(BlenderCamera *bcam, BL::Scene b_scene, BL::SpaceView3D b_v3d, + BL::RegionView3D b_rv3d, int width, int height) +{ + BL::RenderSettings r = b_scene.render(); + bool is_camera_view; - cam_left /= cam_aspect; - cam_right /= cam_aspect; - cam_bottom /= cam_aspect; - cam_top /= cam_aspect; + /* camera view? */ + is_camera_view = b_rv3d.view_perspective() == BL::RegionView3D::view_perspective_CAMERA; + + if(!is_camera_view) { + /* for non-camera view check whether render border is enabled for viewport + * and if so use border from 3d viewport + * assume viewport has got correctly clamped border already + */ + if(b_v3d.use_render_border()) { + bcam->border.left = b_v3d.render_border_min_x(); + bcam->border.right = b_v3d.render_border_max_x(); + bcam->border.bottom = b_v3d.render_border_min_y(); + bcam->border.top = b_v3d.render_border_max_y(); + + return; + } + } + else if(!r.use_border()) + return; + + BL::Object b_ob = (b_v3d.lock_camera_and_layers())? b_scene.camera(): b_v3d.camera(); + + if(!b_ob) + return; + + bcam->border.left = r.border_min_x(); + bcam->border.right = r.border_max_x(); + bcam->border.bottom = r.border_min_y(); + bcam->border.top = r.border_max_y(); + + /* determine camera viewport subset */ + BoundBox2D view_box, cam_box; + + blender_camera_view_subset(b_scene, b_ob, b_v3d, b_rv3d, width, height, + &view_box, &cam_box); /* determine viewport subset matching camera border */ - float tmp_left = ((cam_left - view_left) / (view_right - view_left)); - float tmp_right = ((cam_right - view_left) / (view_right - view_left)); - float tmp_bottom = ((cam_bottom - view_bottom) / (view_top - view_bottom)); - float tmp_top = ((cam_top - view_bottom) / (view_top - view_bottom)); - - bcam->border_left = tmp_left + bcam->border_left*(tmp_right - tmp_left); - bcam->border_right = tmp_left + bcam->border_right*(tmp_right - tmp_left); - bcam->border_bottom = tmp_bottom + bcam->border_bottom*(tmp_top - tmp_bottom); - bcam->border_top = tmp_bottom + bcam->border_top*(tmp_top - tmp_bottom); - - /* clamp */ - bcam->border_left = clamp(bcam->border_left, 0.0f, 1.0f); - bcam->border_right = clamp(bcam->border_right, 0.0f, 1.0f); - bcam->border_bottom = clamp(bcam->border_bottom, 0.0f, 1.0f); - bcam->border_top = clamp(bcam->border_top, 0.0f, 1.0f); + cam_box = cam_box.make_relative_to(view_box); + bcam->border = cam_box.subset(bcam->border).clamp(); } void BlenderSync::sync_view(BL::SpaceView3D b_v3d, BL::RegionView3D b_rv3d, int width, int height) @@ -504,19 +520,25 @@ void BlenderSync::sync_view(BL::SpaceView3D b_v3d, BL::RegionView3D b_rv3d, int blender_camera_sync(scene->camera, &bcam, width, height); } -BufferParams BlenderSync::get_buffer_params(BL::Scene b_scene, Camera *cam, int width, int height) +BufferParams BlenderSync::get_buffer_params(BL::Scene b_scene, BL::SpaceView3D b_v3d, BL::RegionView3D b_rv3d, Camera *cam, int width, int height) { BufferParams params; + bool use_border = false; params.full_width = width; params.full_height = height; - if(b_scene.render().use_border()) { + 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_scene.render().use_border(); + + if(use_border) { /* border render */ - params.full_x = cam->border_left*width; - params.full_y = cam->border_bottom*height; - params.width = (int)(cam->border_right*width) - params.full_x; - params.height = (int)(cam->border_top*height) - params.full_y; + params.full_x = cam->border.left*width; + params.full_y = cam->border.bottom*height; + params.width = (int)(cam->border.right*width) - params.full_x; + params.height = (int)(cam->border.top*height) - params.full_y; /* survive in case border goes out of view or becomes too small */ params.width = max(params.width, 1); |