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- /*
- 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();
- }
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