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Code Releases Wiki Activity

Optimize vertex shader using mat3x4 to reduce bandwidth, load/store operations and ALUs

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This commit is contained in:
clayjohn
2025-06-23 23:06:11 -07:00
parent 9283328fe7
commit 14b60f2264
11 changed files with 211 additions and 138 deletions
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20
servers/rendering/renderer_rd/storage_rd/render_scene_data_rd.cpp
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@@ -87,13 +87,13 @@ void RenderSceneDataRD::update_ubo(RID p_uniform_buffer, RS::ViewportDebugDraw p
//store camera into ubo
RendererRD::MaterialStorage::store_camera(projection, ubo.projection_matrix);
RendererRD::MaterialStorage::store_camera(projection.inverse(), ubo.inv_projection_matrix);
RendererRD::MaterialStorage::store_transform(cam_transform, ubo.inv_view_matrix);
RendererRD::MaterialStorage::store_transform(cam_transform.affine_inverse(), ubo.view_matrix);
RendererRD::MaterialStorage::store_transform_transposed_3x4(cam_transform, ubo.inv_view_matrix);
RendererRD::MaterialStorage::store_transform_transposed_3x4(cam_transform.affine_inverse(), ubo.view_matrix);
#ifdef REAL_T_IS_DOUBLE
RendererRD::MaterialStorage::split_double(-cam_transform.origin.x, &ubo.inv_view_matrix[12], &ubo.inv_view_matrix[3]);
RendererRD::MaterialStorage::split_double(-cam_transform.origin.y, &ubo.inv_view_matrix[13], &ubo.inv_view_matrix[7]);
RendererRD::MaterialStorage::split_double(-cam_transform.origin.z, &ubo.inv_view_matrix[14], &ubo.inv_view_matrix[11]);
RendererRD::MaterialStorage::split_double(-cam_transform.origin.x, &ubo.inv_view_matrix[12], &ubo.inv_view_precision[0]);
RendererRD::MaterialStorage::split_double(-cam_transform.origin.y, &ubo.inv_view_matrix[13], &ubo.inv_view_precision[1]);
RendererRD::MaterialStorage::split_double(-cam_transform.origin.z, &ubo.inv_view_matrix[14], &ubo.inv_view_precision[2]);
#endif
for (uint32_t v = 0; v < view_count; v++) {
@@ -266,13 +266,13 @@ void RenderSceneDataRD::update_ubo(RID p_uniform_buffer, RS::ViewportDebugDraw p
//store camera into ubo
RendererRD::MaterialStorage::store_camera(prev_projection, prev_ubo.projection_matrix);
RendererRD::MaterialStorage::store_camera(prev_projection.inverse(), prev_ubo.inv_projection_matrix);
RendererRD::MaterialStorage::store_transform(prev_cam_transform, prev_ubo.inv_view_matrix);
RendererRD::MaterialStorage::store_transform(prev_cam_transform.affine_inverse(), prev_ubo.view_matrix);
RendererRD::MaterialStorage::store_transform_transposed_3x4(prev_cam_transform, prev_ubo.inv_view_matrix);
RendererRD::MaterialStorage::store_transform_transposed_3x4(prev_cam_transform.affine_inverse(), prev_ubo.view_matrix);
#ifdef REAL_T_IS_DOUBLE
RendererRD::MaterialStorage::split_double(-prev_cam_transform.origin.x, &prev_ubo.inv_view_matrix[12], &prev_ubo.inv_view_matrix[3]);
RendererRD::MaterialStorage::split_double(-prev_cam_transform.origin.y, &prev_ubo.inv_view_matrix[13], &prev_ubo.inv_view_matrix[7]);
RendererRD::MaterialStorage::split_double(-prev_cam_transform.origin.z, &prev_ubo.inv_view_matrix[14], &prev_ubo.inv_view_matrix[11]);
RendererRD::MaterialStorage::split_double(-prev_cam_transform.origin.x, &prev_ubo.inv_view_matrix[12], &prev_ubo.inv_view_precision[0]);
RendererRD::MaterialStorage::split_double(-prev_cam_transform.origin.y, &prev_ubo.inv_view_matrix[13], &prev_ubo.inv_view_precision[1]);
RendererRD::MaterialStorage::split_double(-prev_cam_transform.origin.z, &prev_ubo.inv_view_matrix[14], &prev_ubo.inv_view_precision[2]);
#endif
for (uint32_t v = 0; v < view_count; v++) {

8
servers/rendering/renderer_rd/storage_rd/render_scene_data_rd.h
View File

@@ -113,8 +113,12 @@ private:
struct UBO {
float projection_matrix[16];
float inv_projection_matrix[16];
float inv_view_matrix[16];
float view_matrix[16];
float inv_view_matrix[12];
float view_matrix[12];
#ifdef REAL_T_IS_DOUBLE
float inv_view_precision[4];
#endif
float projection_matrix_view[RendererSceneRender::MAX_RENDER_VIEWS][16];
float inv_projection_matrix_view[RendererSceneRender::MAX_RENDER_VIEWS][16];