mirror of
https://github.com/wiiu-env/libgui.git
synced 2024-12-28 01:01:51 +01:00
84 lines
2.9 KiB
C++
84 lines
2.9 KiB
C++
/****************************************************************************
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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 <gui/video/CursorDrawer.h>
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#include <gui/video/shaders/ColorShader.h>
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#include <gui/video/shaders/FXAAShader.h>
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#include <gui/video/shaders/Shader3D.h>
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#include <gui/video/shaders/ShaderFractalColor.h>
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#include <gui/video/shaders/Texture2DShader.h>
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CursorDrawer *CursorDrawer::instance = NULL;
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CursorDrawer::CursorDrawer() {
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init_colorVtxs();
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}
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CursorDrawer::~CursorDrawer() {
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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 = (uint8_t *) memalign(0x40, sizeof(uint8_t) * 16);
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if (this->colorVtxs == NULL) { return; }
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}
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memset(this->colorVtxs, 0xFF, 16 * sizeof(uint8_t));
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GX2Invalidate(GX2_INVALIDATE_MODE_CPU_ATTRIBUTE_BUFFER, this->colorVtxs, 16 * sizeof(uint8_t));
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}
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// Could be improved. It be more generic.
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void CursorDrawer::draw_Cursor(float x, float y) {
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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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float widthScaleFactor = 1.0f / (float) 1280;
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float heightScaleFactor = 1.0f / (float) 720;
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int32_t 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_MODE_QUADS, 4);
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}
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