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move background to vertex buffer

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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
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GPG Key ID: 55EF5DA53DB36318
9 changed files with 68 additions and 46 deletions
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12
.github/workflows/build.yml vendored
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@ -60,14 +60,14 @@ jobs:
qt_host: linux
qt_arch: ""
qt_version: "5.15.2"
qt_modules: "qtnetworkauth opengl openglwidgets"
qt_modules: "qtnetworkauth"
- os: ubuntu-20.04
qt_ver: 6
qt_host: linux
qt_arch: ""
qt_version: "6.5.3"
qt_modules: "qt5compat qtimageformats qtnetworkauth opengl openglwidgets"
qt_modules: "qt5compat qtimageformats qtnetworkauth"
- os: windows-2022
name: "Windows-MinGW-w64"
@ -83,7 +83,7 @@ jobs:
qt_host: windows
qt_arch: ""
qt_version: "6.7.3"
qt_modules: "qt5compat qtimageformats qtnetworkauth opengl openglwidgets"
qt_modules: "qt5compat qtimageformats qtnetworkauth"
nscurl_tag: "v24.9.26.122"
nscurl_sha256: "AEE6C4BE3CB6455858E9C1EE4B3AFE0DB9960FA03FE99CCDEDC28390D57CCBB0"
@ -96,7 +96,7 @@ jobs:
qt_host: windows
qt_arch: "win64_msvc2019_arm64"
qt_version: "6.7.3"
qt_modules: "qt5compat qtimageformats qtnetworkauth opengl openglwidgets"
qt_modules: "qt5compat qtimageformats qtnetworkauth"
nscurl_tag: "v24.9.26.122"
nscurl_sha256: "AEE6C4BE3CB6455858E9C1EE4B3AFE0DB9960FA03FE99CCDEDC28390D57CCBB0"
@ -107,7 +107,7 @@ jobs:
qt_host: mac
qt_arch: ""
qt_version: "6.7.3"
qt_modules: "qt5compat qtimageformats qtnetworkauth opengl openglwidgets"
qt_modules: "qt5compat qtimageformats qtnetworkauth"
- os: macos-14
name: macOS-Legacy
@ -115,7 +115,7 @@ jobs:
qt_ver: 5
qt_host: mac
qt_version: "5.15.2"
qt_modules: "qtnetworkauth opengl openglwidgets"
qt_modules: "qtnetworkauth"
runs-on: ${{ matrix.os }}

3
CMakeLists.txt
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@ -298,7 +298,7 @@ endif()
include(QtVersionlessBackport)
if(Launcher_QT_VERSION_MAJOR EQUAL 5)
set(QT_VERSION_MAJOR 5)
find_package(Qt5 REQUIRED COMPONENTS Core Widgets Concurrent Network Test Xml NetworkAuth OpenGL OpenGLWidgets)
find_package(Qt5 REQUIRED COMPONENTS Core Widgets Concurrent Network Test Xml NetworkAuth OpenGL)
find_package(Qt5 COMPONENTS DBus)
list(APPEND Launcher_QT_DBUS Qt5::DBus)
@ -318,6 +318,7 @@ elseif(Launcher_QT_VERSION_MAJOR EQUAL 6)
find_package(Qt6 COMPONENTS DBus)
list(APPEND Launcher_QT_DBUS Qt6::DBus)
list(APPEND Launcher_QT_LIBS Qt6::Core5Compat)
list(APPEND Launcher_QT_OpenGL Qt6::OpenGLWidgets)
if(NOT Launcher_FORCE_BUNDLED_LIBS)
find_package(QuaZip-Qt6 1.3 QUIET)

2
launcher/CMakeLists.txt
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@ -1305,7 +1305,7 @@ target_link_libraries(Launcher_logic
Qt${QT_VERSION_MAJOR}::Widgets
Qt${QT_VERSION_MAJOR}::NetworkAuth
Qt${QT_VERSION_MAJOR}::OpenGL
Qt${QT_VERSION_MAJOR}::OpenGLWidgets
${Launcher_QT_OpenGL}
${Launcher_QT_DBUS}
${Launcher_QT_LIBS}
)

1
launcher/resources/shaders/fshader.glsl
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@ -14,7 +14,6 @@ varying vec2 v_texcoord;
void main()
{
// Set fragment color from texture
// gl_FragColor = texture2D(texture, v_texcoord);
vec4 texColor = texture2D(texture, v_texcoord);
if (texColor.a < 0.1) discard; // Optional: Discard fully transparent pixels
gl_FragColor = texColor;

30
launcher/ui/dialogs/skins/draw/BoxGeometry.cpp
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@ -68,6 +68,16 @@ static const QVector<GLushort> indices = {
20, 20, 21, 22, 23 // Face 5 - triangle strip (v20, v21, v22, v23)
};
static const QVector<VertexData> planeVertices = {
{ QVector4D(-1.0f, -1.0f, -0.5f, 1.0f), QVector2D(0.0f, 0.0f) }, // Bottom-left
{ QVector4D(1.0f, -1.0f, -0.5f, 1.0f), QVector2D(1.0f, 0.0f) }, // Bottom-right
{ QVector4D(-1.0f, 1.0f, -0.5f, 1.0f), QVector2D(0.0f, 1.0f) }, // Top-left
{ QVector4D(1.0f, 1.0f, -0.5f, 1.0f), QVector2D(1.0f, 1.0f) }, // Top-right
};
static const QVector<GLushort> planeIndices = {
0, 1, 2, 3, 3 // Face 0 - triangle strip ( v0, v1, v2, v3)
};
QVector<QVector4D> transformVectors(const QMatrix4x4& matrix, const QVector<QVector4D>& vectors)
{
QVector<QVector4D> transformedVectors;
@ -117,7 +127,6 @@ QVector<QVector2D> getCubeUVs(float u, float v, float width, float height, float
left[2],
};
auto uvTop = {
top[0],
top[1],
top[3],
@ -198,7 +207,7 @@ void BoxGeometry::draw(QOpenGLShaderProgram* program)
program->setAttributeBuffer(texcoordLocation, GL_FLOAT, offset, 2, sizeof(VertexData));
// Draw cube geometry using indices from VBO 1
glDrawElements(GL_TRIANGLE_STRIP, indices.size(), GL_UNSIGNED_SHORT, nullptr);
glDrawElements(GL_TRIANGLE_STRIP, m_indecesCount, GL_UNSIGNED_SHORT, nullptr);
}
void BoxGeometry::initGeometry(float u, float v, float width, float height, float depth, float textureWidth, float textureHeight)
@ -226,10 +235,27 @@ void BoxGeometry::initGeometry(float u, float v, float width, float height, floa
// Transfer index data to VBO 1
m_indexBuf.bind();
m_indexBuf.allocate(indices.constData(), indices.size() * sizeof(GLushort));
m_indecesCount = indices.size();
}
void BoxGeometry::rotate(float angle, const QVector3D& vector)
{
m_matrix.rotate(angle, vector);
}
BoxGeometry* BoxGeometry::Plane()
{
auto b = new BoxGeometry(QVector3D(), QVector3D());
// Transfer vertex data to VBO 0
b->m_vertexBuf.bind();
b->m_vertexBuf.allocate(planeVertices.constData(), planeVertices.size() * sizeof(VertexData));
// Transfer index data to VBO 1
b->m_indexBuf.bind();
b->m_indexBuf.allocate(planeIndices.constData(), planeIndices.size() * sizeof(GLushort));
b->m_indecesCount = planeIndices.size();
return b;
}
} // namespace opengl

2
launcher/ui/dialogs/skins/draw/BoxGeometry.h
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@ -11,6 +11,7 @@ class BoxGeometry : protected QOpenGLFunctions {
public:
BoxGeometry(QVector3D size, QVector3D position);
BoxGeometry(QVector3D size, QVector3D position, QPoint uv, QVector3D textureDim, QSize textureSize = { 64, 64 });
static BoxGeometry* Plane();
virtual ~BoxGeometry();
void draw(QOpenGLShaderProgram* program);
@ -24,5 +25,6 @@ class BoxGeometry : protected QOpenGLFunctions {
QVector3D m_size;
QVector3D m_position;
QMatrix4x4 m_matrix;
GLsizei m_indecesCount;
};
} // namespace opengl

1
launcher/ui/dialogs/skins/draw/Scene.cpp
View File

@ -56,6 +56,7 @@ Scene::~Scene()
}
}
delete m_cape;
m_skinTexture->destroy();
delete m_skinTexture;

56
launcher/ui/dialogs/skins/draw/SkinOpenGLWidget.cpp
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@ -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
}

7
launcher/ui/dialogs/skins/draw/SkinOpenGLWidget.h
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@ -7,6 +7,7 @@
#include <QOpenGLWidget>
#include <QVector2D>
#include "minecraft/skins/SkinModel.h"
#include "ui/dialogs/skins/draw/BoxGeometry.h"
#include "ui/dialogs/skins/draw/Scene.h"
class SkinOpenGLWidget : public QOpenGLWidget, protected QOpenGLFunctions {
@ -30,7 +31,7 @@ class SkinOpenGLWidget : public QOpenGLWidget, protected QOpenGLFunctions {
void initShaders();
GLuint generateChessboardTexture(int width, int height, int tileSize);
void generateBackgroundTexture(int width, int height, int tileSize);
void renderBackground();
private:
@ -44,6 +45,6 @@ class SkinOpenGLWidget : public QOpenGLWidget, protected QOpenGLFunctions {
bool m_isMousePressed = false;
int m_rotationX = 0, m_rotationY = 0;
// background
GLuint m_chessboardTexture;
opengl::BoxGeometry* m_background = nullptr;
QOpenGLTexture* m_backgroundTexture = nullptr;
};