Differential D16125 Diff 56366 source/blender/draw/intern/draw_view.cc

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Standalone View

source/blender/draw/intern/draw_view.cc

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namespace blender::draw {		namespace blender::draw {

void View::sync(const float4x4 &view_mat, const float4x4 &win_mat)		void View::sync(const float4x4 &view_mat, const float4x4 &win_mat)
{		{
data_.viewmat = view_mat;		data_.viewmat = view_mat;
data_.viewinv = view_mat.inverted();		data_.viewinv = view_mat.inverted();
data_.winmat = win_mat;		data_.winmat = win_mat;
data_.wininv = win_mat.inverted();		data_.wininv = win_mat.inverted();
data_.persmat = data_.winmat * data_.viewmat;
data_.persinv = data_.persmat.inverted();
/* Should not be used anymore. */		/* Should not be used anymore. */
data_.viewcamtexcofac = float4(1.0f, 1.0f, 0.0f, 0.0f);		data_.viewcamtexcofac = float4(1.0f, 1.0f, 0.0f, 0.0f);

data_.is_inverted = (is_negative_m4(view_mat.ptr()) == is_negative_m4(win_mat.ptr()));		data_.is_inverted = (is_negative_m4(view_mat.ptr()) == is_negative_m4(win_mat.ptr()));

update_view_vectors();		update_view_vectors();

BoundBox &bound_box = reinterpret_cast<BoundBox >(&data_.frustum_corners);		BoundBox &bound_box = reinterpret_cast<BoundBox >(&data_.frustum_corners);
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/* Transform into world space. */		/* Transform into world space. */
for (int i = 0; i < 8; i++) {		for (int i = 0; i < 8; i++) {
mul_m4_v3(data_.viewinv.ptr(), bbox.vec[i]);		mul_m4_v3(data_.viewinv.ptr(), bbox.vec[i]);
}		}
}		}

void View::frustum_culling_planes_calc()		void View::frustum_culling_planes_calc()
{		{
planes_from_projmat(data_.persmat.ptr(),		float4x4 persmat = data_.winmat * data_.viewmat;
		planes_from_projmat(persmat.ptr(),
data_.frustum_planes[0],		data_.frustum_planes[0],
data_.frustum_planes[5],		data_.frustum_planes[5],
data_.frustum_planes[1],		data_.frustum_planes[1],
data_.frustum_planes[3],		data_.frustum_planes[3],
data_.frustum_planes[4],		data_.frustum_planes[4],
data_.frustum_planes[2]);		data_.frustum_planes[2]);

/* Normalize. */		/* Normalize. */
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void View::compute_visibility(ObjectBoundsBuf &bounds, uint resource_len, bool debug_freeze)		void View::compute_visibility(ObjectBoundsBuf &bounds, uint resource_len, bool debug_freeze)
{		{
if (debug_freeze && frozen_ == false) {		if (debug_freeze && frozen_ == false) {
data_freeze_ = static_cast<ViewInfos>(data_);		data_freeze_ = static_cast<ViewInfos>(data_);
data_freeze_.push_update();		data_freeze_.push_update();
}		}
#ifdef DEBUG		#ifdef DEBUG
if (debug_freeze) {		if (debug_freeze) {
drw_debug_matrix_as_bbox(data_freeze_.persinv, float4(0, 1, 0, 1));		float4x4 persmat = data_freeze_.winmat * data_freeze_.viewmat;
		drw_debug_matrix_as_bbox(persmat.inverted(), float4(0, 1, 0, 1));
}		}
#endif		#endif
frozen_ = debug_freeze;		frozen_ = debug_freeze;

GPU_debug_group_begin("View.compute_visibility");		GPU_debug_group_begin("View.compute_visibility");

/* TODO(fclem): Early out if visibility hasn't changed. */		/* TODO(fclem): Early out if visibility hasn't changed. */
/* TODO(fclem): Resize to nearest pow2 to reduce fragmentation. */		/* TODO(fclem): Resize to nearest pow2 to reduce fragmentation. */
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