diff options
Diffstat (limited to 'src/Authoring/Studio/Palettes/scenecamera/scenecameraglwidget.cpp')
| -rw-r--r-- | src/Authoring/Studio/Palettes/scenecamera/scenecameraglwidget.cpp | 208 |
1 files changed, 0 insertions, 208 deletions
diff --git a/src/Authoring/Studio/Palettes/scenecamera/scenecameraglwidget.cpp b/src/Authoring/Studio/Palettes/scenecamera/scenecameraglwidget.cpp deleted file mode 100644 index ce7d8e37..00000000 --- a/src/Authoring/Studio/Palettes/scenecamera/scenecameraglwidget.cpp +++ /dev/null @@ -1,208 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2018 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of Qt 3D Studio. -** -** $QT_BEGIN_LICENSE:GPL-EXCEPT$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 3 as published by the Free Software -** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "Qt3DSCommonPrecompile.h" -#include "scenecameraglwidget.h" -#include "StudioApp.h" -#include "IStudioRenderer.h" -#include "WGLRenderContext.h" -#include "StudioPreferences.h" - -#include <QtGui/qopenglshaderprogram.h> -#include <QtGui/qopengltexture.h> -#include <QtGui/qopenglbuffer.h> -#include <QtGui/qopenglvertexarrayobject.h> - -const QVector4D defaultTextureOffset = QVector4D(0.0f, 0.0f, 1.0f, 1.0f); -const QVector2D defaultGeometryOffset = QVector2D(1.0f, 1.0f); - -SceneCameraGlWidget::SceneCameraGlWidget(QWidget *parent) - : QOpenGLWidget(parent) - , m_textureOffset(defaultTextureOffset) - , m_geometryOffset(defaultGeometryOffset) -{ - QSurfaceFormat format = CWGLRenderContext::selectSurfaceFormat(this); - format.setSamples(1); // We want pixel perfect view, not aliased one - setFormat(format); - setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding); -} - -SceneCameraGlWidget::~SceneCameraGlWidget() -{ - cleanup(); -} - -void SceneCameraGlWidget::initializeGL() -{ - initializeOpenGLFunctions(); - QObject::connect(context(), &QOpenGLContext::aboutToBeDestroyed, - this, &SceneCameraGlWidget::cleanup); - - m_program = new QOpenGLShaderProgram(); - if (!m_program->addShaderFromSourceCode( - QOpenGLShader::Vertex, - "#version 330 core\n" - "in vec2 vertexPos;\n" - "in vec2 vertexTexCoord;\n" - "uniform vec4 uTexOffset;\n" - "uniform vec4 uGeomOffset;\n" - "out vec2 texCoord;\n" - "void main(void)\n" - "{\n" - " gl_Position = vec4(uGeomOffset.xy + vertexPos * uGeomOffset.zw, 0.0, 1.0);\n" - " texCoord = vec2(uTexOffset.z * vertexTexCoord.x + uTexOffset.x,\n" - " uTexOffset.w * vertexTexCoord.y + uTexOffset.y);\n" - "}")) { - qWarning() << __FUNCTION__ << "Failed to add vertex shader for scene camera preview"; - return; - } - if (!m_program->addShaderFromSourceCode( - QOpenGLShader::Fragment, - "#version 330 core\n" - "in vec2 texCoord;\n" - "uniform sampler2D uSampler;\n" - "out vec4 fragColor;\n" - "void main(void) {\n" - " vec4 oc = texture(uSampler, texCoord);\n" - " fragColor = vec4(oc);\n" - "}")) { - - qWarning() << __FUNCTION__ << "Failed to add fragment shader for scene camera preview"; - return; - } - if (!m_program->link()) { - qWarning() << __FUNCTION__ << "Failed to link program for scene camera preview"; - return; - } - if (!m_program->bind()) { - qWarning() << __FUNCTION__ << "Failed to bind program for scene camera preview"; - return; - } else { - GLint vertexAtt = GLint(m_program->attributeLocation("vertexPos")); - GLint uvAtt = GLint(m_program->attributeLocation("vertexTexCoord")); - m_uniformTextureOffset = GLint(m_program->uniformLocation("uTexOffset")); - m_uniformGeometryOffset = GLint(m_program->uniformLocation("uGeomOffset")); - m_program->setUniformValue("uSampler", 0); - - m_vao = new QOpenGLVertexArrayObject; - if (m_vao->create()) { - m_vao->bind(); - m_vertexBuffer = new QOpenGLBuffer(QOpenGLBuffer::VertexBuffer); - if (m_vertexBuffer->create() && m_vertexBuffer->bind()) { - GLfloat vertexBuffer[] = {-1.0f, 1.0f, - -1.0f, -1.0f, - 1.0f, 1.0f, - 1.0f, -1.0f}; - m_vertexBuffer->allocate(vertexBuffer, 8 * sizeof(GLfloat)); - glEnableVertexAttribArray(vertexAtt); - glVertexAttribPointer(vertexAtt, 2, GL_FLOAT, GL_FALSE, 0, (void *)0); - } else { - qWarning() << __FUNCTION__ - << "Failed to create/bind vertex buffer for scene camera preview"; - return; - } - m_uvBuffer = new QOpenGLBuffer(QOpenGLBuffer::VertexBuffer); - if (m_uvBuffer->create() && m_uvBuffer->bind()) { - GLfloat uvBuffer[] = {0.0f, 1.0f, - 0.0f, 0.0f, - 1.0f, 1.0f, - 1.0f, 0.0f}; - m_uvBuffer->allocate(uvBuffer, 8 * sizeof(GLfloat)); - glEnableVertexAttribArray(uvAtt); - glVertexAttribPointer(uvAtt, 2, GL_FLOAT, GL_FALSE, 0, (void *)0); - } else { - qWarning() << __FUNCTION__ - << "Failed to create/bind UV buffer for scene camera preview"; - return; - } - - m_vao->release(); - } else { - qWarning() << __FUNCTION__ << "Failed to create/bind vertex array object"; - return; - } - } - - const QColor matteColor = CStudioPreferences::matteColor(); - glClearColor(matteColor.redF(), matteColor.greenF(), matteColor.blueF(), 1.0f); -} - -void SceneCameraGlWidget::paintGL() -{ - Q3DStudio::IStudioRenderer &renderer(g_StudioApp.getRenderer()); - if (renderer.IsInitialized()) { - m_vao->bind(); - - glDisable(GL_DEPTH_TEST); - glDisable(GL_STENCIL_TEST); - glDisable(GL_SCISSOR_TEST); - glDisable(GL_BLEND); - - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); - - QSize fboSize; - qt3ds::QT3DSU32 textureId; - renderer.getPreviewFbo(fboSize, textureId); - glActiveTexture(GL_TEXTURE0); - glBindTexture(GL_TEXTURE_2D, GLuint(textureId)); - - m_program->setUniformValueArray(m_uniformTextureOffset, &m_textureOffset, 1); - m_program->setUniformValueArray(m_uniformGeometryOffset, &m_geometryOffset, 1); - - glDrawArrays(GL_TRIANGLE_STRIP, 0, 4); - - m_vao->release(); - } -} - -void SceneCameraGlWidget::resizeGL(int, int) -{ - // We need to update immediately to avoid flicker - update(); -} - -void SceneCameraGlWidget::cleanup() -{ - makeCurrent(); - - delete m_program; - delete m_vertexBuffer; - delete m_uvBuffer; - delete m_vao; - m_program = nullptr; - m_vertexBuffer = nullptr; - m_uvBuffer = nullptr; - m_vao = nullptr; - m_uniformTextureOffset = 0; - m_uniformGeometryOffset = 0; - m_textureOffset = defaultTextureOffset; - m_geometryOffset = defaultGeometryOffset; - - doneCurrent(); -} |