mirror of
https://github.com/wiiu-env/libgui.git
synced 2024-11-15 04:45:06 +01:00
89 lines
2.8 KiB
C++
89 lines
2.8 KiB
C++
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/****************************************************************************
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* Copyright (C) 2016,2017 Maschell
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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****************************************************************************/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <dynamic_libs/gx2_functions.h>
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#include "video/shaders/ColorShader.h"
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#include "video/shaders/FXAAShader.h"
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#include "video/shaders/Shader3D.h"
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#include "video/shaders/ShaderFractalColor.h"
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#include "video/shaders/Texture2DShader.h"
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#include "CursorDrawer.h"
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CursorDrawer *CursorDrawer::instance = NULL;
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CursorDrawer::CursorDrawer()
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{
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init_colorVtxs();
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}
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CursorDrawer::~CursorDrawer()
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{
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//! destroy shaders
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ColorShader::destroyInstance();
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FXAAShader::destroyInstance();
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Shader3D::destroyInstance();
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ShaderFractalColor::destroyInstance();
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Texture2DShader::destroyInstance();
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if(this->colorVtxs){
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free(this->colorVtxs);
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this->colorVtxs = NULL;
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}
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}
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void CursorDrawer::init_colorVtxs(){
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if(!this->colorVtxs){
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this->colorVtxs = (u8*)memalign(0x40, sizeof(u8) * 16);
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if(this->colorVtxs == NULL) return;
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}
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memset(this->colorVtxs,0xFF,16*sizeof(u8));
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GX2Invalidate(GX2_INVALIDATE_CPU_ATTRIB_BUFFER, this->colorVtxs, 16 * sizeof(u8));
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}
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// Could be improved. It be more generic.
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void CursorDrawer::draw_Cursor(f32 x,f32 y)
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{
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if(this->colorVtxs == NULL){
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init_colorVtxs();
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return;
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}
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f32 widthScaleFactor = 1.0f / (f32)1280;
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f32 heightScaleFactor = 1.0f / (f32)720;
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s32 width = 20;
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glm::vec3 positionOffsets = glm::vec3(0.0f);
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positionOffsets[0] = (x-((1280)/2)+(width/2)) * widthScaleFactor * 2.0f;
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positionOffsets[1] = -(y-((720)/2)+(width/2)) * heightScaleFactor * 2.0f;
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glm::vec3 scale(width*widthScaleFactor,width*heightScaleFactor,1.0f);
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ColorShader::instance()->setShaders();
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ColorShader::instance()->setAttributeBuffer(this->colorVtxs, NULL, 4);
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ColorShader::instance()->setAngle(0);
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ColorShader::instance()->setOffset(positionOffsets);
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ColorShader::instance()->setScale(scale);
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ColorShader::instance()->setColorIntensity(glm::vec4(1.0f));
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ColorShader::instance()->draw(GX2_PRIMITIVE_QUADS, 4);
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}
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