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Use previous frame's transform for depth pre-pass in deferred renderer

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This commit is contained in:
Nikita Lisitsa 2020-12-18 21:30:32 +03:00
parent 91f693ed6e
commit bd5622fc3b
1 changed files with 5 additions and 2 deletions
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7
libs/gfx/source/renderer/deferred.cpp
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@ -861,6 +861,7 @@ void main()
query_array queries; query_array queries;
gfx::array box_array; gfx::array box_array;
std::optional<geom::matrix<float, 4, 4>> prev_transform;
}; };
deferred_renderer::deferred_renderer() deferred_renderer::deferred_renderer()
@ -1262,7 +1263,7 @@ void main()
// Occlusion pre-pass // Occlusion pre-pass
if (!buffer_size_changed) if (!buffer_size_changed && impl().prev_transform)
{ {
use_occlusion = true; use_occlusion = true;
@ -1278,7 +1279,7 @@ void main()
gl::Disable(gl::CULL_FACE); gl::Disable(gl::CULL_FACE);
impl().occlusion_pass_program.bind(); impl().occlusion_pass_program.bind();
impl().occlusion_pass_program["u_camera_transform"] = camera_transform; impl().occlusion_pass_program["u_camera_transform"] = *impl().prev_transform;
impl().box_array.bind(); impl().box_array.bind();
for (int bi = 0; bi < bins_total; ++bi) for (int bi = 0; bi < bins_total; ++bi)
@ -1941,6 +1942,8 @@ void main()
impl().bloom_overlay.invoke(impl().bloom_texture[2], target); impl().bloom_overlay.invoke(impl().bloom_texture[2], target);
} }
impl().prev_transform = camera_transform;
check_error(); check_error();
} }