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author | Vitaliy <silverunicorn2011@yandex.ru> | 2017-10-31 21:27:10 +0300 |
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committer | Loïc Blot <nerzhul@users.noreply.github.com> | 2017-10-31 19:27:10 +0100 |
commit | 28841961ba91b943b7478704181604fa3e24e81e (patch) | |
tree | 6485c0d4483c1c1e20eefd80510b7e9441f1b58a /src/client/render/interlaced.cpp | |
parent | 65c5539035139428ee8354d7c96565fc392112d2 (diff) | |
download | minetest-28841961ba91b943b7478704181604fa3e24e81e.tar.gz minetest-28841961ba91b943b7478704181604fa3e24e81e.tar.bz2 minetest-28841961ba91b943b7478704181604fa3e24e81e.zip |
Rewrite rendering engine (#6253)
* Clean draw_*() arguments
* Split rendering core
* Add anaglyph 3D
* Interlaced 3D
* Drop obsolete methods
Diffstat (limited to 'src/client/render/interlaced.cpp')
-rw-r--r-- | src/client/render/interlaced.cpp | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/src/client/render/interlaced.cpp b/src/client/render/interlaced.cpp new file mode 100644 index 000000000..ccd4e60cf --- /dev/null +++ b/src/client/render/interlaced.cpp @@ -0,0 +1,116 @@ +/* +Minetest +Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com> +Copyright (C) 2017 numzero, Lobachesky Vitaly <numzer0@yandex.ru> + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +#include "interlaced.h" +#include "client.h" +#include "shader.h" +#include "client/tile.h" + +RenderingCoreInterlaced::RenderingCoreInterlaced( + IrrlichtDevice *_device, Client *_client, Hud *_hud) + : RenderingCoreStereo(_device, _client, _hud) +{ + initMaterial(); +} + +void RenderingCoreInterlaced::initMaterial() +{ + IShaderSource *s = client->getShaderSource(); + mat.UseMipMaps = false; + mat.ZBuffer = false; + mat.ZWriteEnable = false; + u32 shader = s->getShader("3d_interlaced_merge", TILE_MATERIAL_BASIC, 0); + mat.MaterialType = s->getShaderInfo(shader).material; + for (int k = 0; k < 3; ++k) { + mat.TextureLayer[k].AnisotropicFilter = false; + mat.TextureLayer[k].BilinearFilter = false; + mat.TextureLayer[k].TrilinearFilter = false; + mat.TextureLayer[k].TextureWrapU = video::ETC_CLAMP_TO_EDGE; + mat.TextureLayer[k].TextureWrapV = video::ETC_CLAMP_TO_EDGE; + } +} + +void RenderingCoreInterlaced::initTextures() +{ + v2u32 image_size{screensize.X, screensize.Y / 2}; + left = driver->addRenderTargetTexture( + image_size, "3d_render_left", video::ECF_A8R8G8B8); + right = driver->addRenderTargetTexture( + image_size, "3d_render_right", video::ECF_A8R8G8B8); + mask = driver->addTexture(screensize, "3d_render_mask", video::ECF_A8R8G8B8); + initMask(); + mat.TextureLayer[0].Texture = left; + mat.TextureLayer[1].Texture = right; + mat.TextureLayer[2].Texture = mask; +} + +void RenderingCoreInterlaced::clearTextures() +{ + driver->removeTexture(left); + driver->removeTexture(right); + driver->removeTexture(mask); +} + +void RenderingCoreInterlaced::initMask() +{ + u8 *data = reinterpret_cast<u8 *>(mask->lock()); + for (u32 j = 0; j < screensize.Y; j++) { + u8 val = j % 2 ? 0xff : 0x00; + memset(data, val, 4 * screensize.X); + data += 4 * screensize.X; + } + mask->unlock(); +} + +void RenderingCoreInterlaced::drawAll() +{ + renderBothImages(); + merge(); + drawHUD(); +} + +void RenderingCoreInterlaced::merge() +{ + static const video::S3DVertex vertices[4] = { + video::S3DVertex(1.0, -1.0, 0.0, 0.0, 0.0, -1.0, + video::SColor(255, 0, 255, 255), 1.0, 0.0), + video::S3DVertex(-1.0, -1.0, 0.0, 0.0, 0.0, -1.0, + video::SColor(255, 255, 0, 255), 0.0, 0.0), + video::S3DVertex(-1.0, 1.0, 0.0, 0.0, 0.0, -1.0, + video::SColor(255, 255, 255, 0), 0.0, 1.0), + video::S3DVertex(1.0, 1.0, 0.0, 0.0, 0.0, -1.0, + video::SColor(255, 255, 255, 255), 1.0, 1.0), + }; + static const u16 indices[6] = {0, 1, 2, 2, 3, 0}; + driver->setMaterial(mat); + driver->drawVertexPrimitiveList(&vertices, 4, &indices, 2); +} + +void RenderingCoreInterlaced::useEye(bool _right) +{ + driver->setRenderTarget(_right ? right : left, true, true, skycolor); + RenderingCoreStereo::useEye(_right); +} + +void RenderingCoreInterlaced::resetEye() +{ + driver->setRenderTarget(nullptr, false, false, skycolor); + RenderingCoreStereo::resetEye(); +} |