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| author | Rémi Verschelde <rverschelde@gmail.com> | 2022-09-30 09:59:45 +0200 |
|---|---|---|
| committer | Rémi Verschelde <rverschelde@gmail.com> | 2022-09-30 09:59:45 +0200 |
| commit | 67961d875d518b565bc1fa923772af56fb227063 (patch) | |
| tree | 852e3c083882e2dcec3942cf99b5a0a652762e65 /servers/rendering/renderer_rd/storage_rd | |
| parent | 300befdc9e0fbe8d119f01f00b1bb8c69c3ccdb4 (diff) | |
| parent | 27a3014f5052ae40f89684a5559c17fbebe7aa8d (diff) | |
Merge pull request #66178 from clayjohn/double-precision-rendering
Emulate double precision for regular rendering operation when REAL_T_IS_DOUBLE
Diffstat (limited to 'servers/rendering/renderer_rd/storage_rd')
| -rw-r--r-- | servers/rendering/renderer_rd/storage_rd/material_storage.h | 12 | ||||
| -rw-r--r-- | servers/rendering/renderer_rd/storage_rd/render_scene_data_rd.cpp | 6 |
2 files changed, 18 insertions, 0 deletions
diff --git a/servers/rendering/renderer_rd/storage_rd/material_storage.h b/servers/rendering/renderer_rd/storage_rd/material_storage.h index db2e4cfa2a..2ce6550cc1 100644 --- a/servers/rendering/renderer_rd/storage_rd/material_storage.h +++ b/servers/rendering/renderer_rd/storage_rd/material_storage.h @@ -311,6 +311,18 @@ public: } } + // http://andrewthall.org/papers/df64_qf128.pdf +#ifdef REAL_T_IS_DOUBLE + static _FORCE_INLINE_ void split_double(double a, float *ahi, float *alo) { + const double SPLITTER = (1 << 29) + 1; + double t = a * SPLITTER; + double thi = t - (t - a); + double tlo = a - thi; + *ahi = (float)thi; + *alo = (float)tlo; + } +#endif + /* Samplers */ _FORCE_INLINE_ RID sampler_rd_get_default(RS::CanvasItemTextureFilter p_filter, RS::CanvasItemTextureRepeat p_repeat) { diff --git a/servers/rendering/renderer_rd/storage_rd/render_scene_data_rd.cpp b/servers/rendering/renderer_rd/storage_rd/render_scene_data_rd.cpp index f925f87cbe..7dd790d1da 100644 --- a/servers/rendering/renderer_rd/storage_rd/render_scene_data_rd.cpp +++ b/servers/rendering/renderer_rd/storage_rd/render_scene_data_rd.cpp @@ -59,6 +59,12 @@ void RenderSceneDataRD::update_ubo(RID p_uniform_buffer, RS::ViewportDebugDraw p RendererRD::MaterialStorage::store_transform(cam_transform, ubo.inv_view_matrix); RendererRD::MaterialStorage::store_transform(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]); +#endif + for (uint32_t v = 0; v < view_count; v++) { projection = correction * view_projection[v]; RendererRD::MaterialStorage::store_camera(projection, ubo.projection_matrix_view[v]); |