dasha_uwu/PrismLauncher
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

move background to vertex buffer

Browse source 
Signed-off-by: Trial97 <alexandru.tripon97@gmail.com>
This commit is contained in:
Trial97 2025-01-10 14:54:40 +02:00
parent 0219c11a73
commit 87ec7cdd39
No known key found for this signature in database
GPG key ID: 55EF5DA53DB36318
9 changed files with 68 additions and 46 deletions
Download patch file Download diff file Expand all files Collapse all files

56
launcher/ui/dialogs/skins/draw/SkinOpenGLWidget.cpp
View file

@ -6,6 +6,7 @@
#include <QVector3D>
#include "minecraft/skins/SkinModel.h"
#include "ui/dialogs/skins/SkinManageDialog.h"
#include "ui/dialogs/skins/draw/BoxGeometry.h"
#include "ui/dialogs/skins/draw/Scene.h"
SkinOpenGLWidget::~SkinOpenGLWidget()
@ -14,7 +15,9 @@ SkinOpenGLWidget::~SkinOpenGLWidget()
// and the buffers.
makeCurrent();
delete m_scene;
glDeleteTextures(1, &m_chessboardTexture);
delete m_background;
m_backgroundTexture->destroy();
delete m_backgroundTexture;
doneCurrent();
}
@ -38,7 +41,7 @@ void SkinOpenGLWidget::mouseMoveEvent(QMouseEvent* event)
update(); // Trigger a repaint
}
}
void SkinOpenGLWidget::mouseReleaseEvent(QMouseEvent* e)
void SkinOpenGLWidget::mouseReleaseEvent([[maybe_unused]] QMouseEvent* e)
{
m_isMousePressed = false;
}
@ -51,7 +54,7 @@ void SkinOpenGLWidget::initializeGL()
initShaders();
m_chessboardTexture = generateChessboardTexture(512, 512, 16);
generateBackgroundTexture(32, 32, 1);
QImage skin, cape;
bool slim = false;
@ -64,6 +67,7 @@ void SkinOpenGLWidget::initializeGL()
}
m_scene = new opengl::Scene(skin, slim, cape);
m_background = opengl::BoxGeometry::Plane();
glEnable(GL_TEXTURE_2D);
}
@ -115,10 +119,9 @@ void SkinOpenGLWidget::paintGL()
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
renderBackground();
m_program.bind();
renderBackground();
// Calculate model view transformation
QMatrix4x4 matrix;
matrix.translate(0.0, 6.0, -50.);
@ -149,47 +152,36 @@ void SkinOpenGLWidget::updateCape(const QImage& cape)
}
}
GLuint SkinOpenGLWidget::generateChessboardTexture(int width, int height, int tileSize)
QImage generateChessboardImage(int width, int height, int tileSize)
{
std::vector<unsigned char> textureData(width * height * 3);
QImage image(width, height, QImage::Format_RGB888);
for (int y = 0; y < height; ++y) {
for (int x = 0; x < width; ++x) {
bool isWhite = ((x / tileSize) % 2) == ((y / tileSize) % 2);
unsigned char color = isWhite ? 100 : 50;
int index = (y * width + x) * 3;
textureData[index] = color; // Red
textureData[index + 1] = color; // Green
textureData[index + 2] = color; // Blue
image.setPixelColor(x, y, QColor(color, color, color));
}
}
return image;
}
GLuint texture;
glGenTextures(1, &texture);
glBindTexture(GL_TEXTURE_2D, texture);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, width, height, 0, GL_RGB, GL_UNSIGNED_BYTE, textureData.data());
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
return texture;
void SkinOpenGLWidget::generateBackgroundTexture(int width, int height, int tileSize)
{
m_backgroundTexture = new QOpenGLTexture(generateChessboardImage(width, height, tileSize));
m_backgroundTexture->setMinificationFilter(QOpenGLTexture::Nearest);
m_backgroundTexture->setMagnificationFilter(QOpenGLTexture::Nearest);
}
void SkinOpenGLWidget::renderBackground()
{
glDepthMask(GL_FALSE); // Disable depth buffer writing
glBindTexture(GL_TEXTURE_2D, m_chessboardTexture);
glBegin(GL_QUADS);
glTexCoord2f(0.0f, 0.0f);
glVertex3f(-1.0f, -1.0f, -0.5f); // Bottom-left
glTexCoord2f(1.0f, 0.0f);
glVertex3f(1.0f, -1.0f, -0.5f); // Bottom-right
glTexCoord2f(1.0f, 1.0f);
glVertex3f(1.0f, 1.0f, -0.5f); // Top-right
glTexCoord2f(0.0f, 1.0f);
glVertex3f(-1.0f, 1.0f, -0.5f); // Top-left
glEnd();
m_backgroundTexture->bind();
QMatrix4x4 matrix;
m_program.setUniformValue("mvp_matrix", matrix);
m_program.setUniformValue("texture", 0);
m_background->draw(&m_program);
m_backgroundTexture->release();
glDepthMask(GL_TRUE); // Re-enable depth buffer writing
}