Fix shader on win32

CHANGELOGS.md

@@ -1,6 +1,8 @@
-Changes between 1.0.0-rc.1 and 1.0.0-rc.2:
+Changes between 1.0.0-rc.1 and 1.0.0-rc.3:
+--------------------------------------------------
 - Fix negative skinning weight  
 - Fix IBL shader  
+- Add win32 release  
 
 Changes between 1.0.0-beta.29 and 1.0.0-rc.1:
 --------------------------------------------------

dust3d.pro

@@ -66,10 +66,10 @@ macx {
 }
 
 isEmpty(HUMAN_VERSION) {
-	HUMAN_VERSION = "1.0.0-rc.2"
+	HUMAN_VERSION = "1.0.0-rc.3"
 }
 isEmpty(VERSION) {
-	VERSION = 1.0.0.32
+	VERSION = 1.0.0.33
 }
 
 HOMEPAGE_URL = "https://dust3d.org/"

src/modelmeshbinder.cpp

@@ -63,18 +63,6 @@ void ModelMeshBinder::enableEnvironmentLight()
 
 void ModelMeshBinder::paint(ModelShaderProgram *program)
 {
-    static int s_softwareGlState = 0;
-    if (0 == s_softwareGlState) {
-        QOpenGLFunctions *f = QOpenGLContext::currentContext()->functions();
-        const char *versionString = (const char *)f->glGetString(GL_VERSION);
-        if (nullptr != versionString &&
-                '\0' != versionString[0] &&
-                0 == strstr(versionString, "Mesa")) {
-            s_softwareGlState = 2;
-        } else {
-            s_softwareGlState = 1;
-        }
-    }
     MeshLoader *newMesh = nullptr;
     bool hasNewMesh = false;
     if (m_newMeshComing) {
@@ -127,7 +115,6 @@ void ModelMeshBinder::paint(ModelShaderProgram *program)
                 m_environmentSpecularMap = nullptr;
                 if (program->isCoreProfile() && 
                         m_environmentLightEnabled &&
-                        2 == s_softwareGlState &&
                         (m_hasMetalnessMap || m_hasRoughnessMap)) {
                     DdsFileReader irradianceFile(":/resources/cedar_bridge_irradiance.dds");
                     m_environmentIrradianceMap = irradianceFile.createOpenGLTexture();
@@ -236,7 +223,7 @@ void ModelMeshBinder::paint(ModelShaderProgram *program)
             QOpenGLVertexArrayObject::Binder vaoBinder(&m_vaoEdge);
 			QOpenGLFunctions *f = QOpenGLContext::currentContext()->functions();
             // glDrawArrays GL_LINES crashs on Mesa GL
-            if (2 == s_softwareGlState) {
+            if (program->isCoreProfile()) {
                 program->setUniformValue(program->textureEnabledLoc(), 0);
                 program->setUniformValue(program->normalMapEnabledLoc(), 0);
                 program->setUniformValue(program->metalnessMapEnabledLoc(), 0);
@@ -324,6 +311,10 @@ void ModelMeshBinder::cleanup()
     m_normalMap = nullptr;
     delete m_metalnessRoughnessAmbientOcclusionMap;
     m_metalnessRoughnessAmbientOcclusionMap = nullptr;
+    delete m_environmentIrradianceMap;
+    m_environmentIrradianceMap = nullptr;
+    delete m_environmentSpecularMap;
+    m_environmentSpecularMap = nullptr;
 }
 
 void ModelMeshBinder::showWireframes()

src/modelshaderprogram.cpp

@@ -1,4 +1,3 @@
-#include <QSurfaceFormat>
 #include <QFile>
 #include <map>
 #include "modelshaderprogram.h"
@@ -22,9 +21,9 @@ bool ModelShaderProgram::isCoreProfile()
     return m_isCoreProfile;
 }
 
-ModelShaderProgram::ModelShaderProgram()
+ModelShaderProgram::ModelShaderProgram(bool isCoreProfile)
 {
-    if (QSurfaceFormat::defaultFormat().profile() == QSurfaceFormat::CoreProfile) {
+    if (isCoreProfile) {
         this->addShaderFromSourceCode(QOpenGLShader::Vertex, loadShaderSource(":/shaders/default.core.vert"));
         this->addShaderFromSourceCode(QOpenGLShader::Fragment, loadShaderSource(":/shaders/default.core.frag"));
         m_isCoreProfile = true;

src/modelshaderprogram.h

@@ -6,7 +6,7 @@
 class ModelShaderProgram : public QOpenGLShaderProgram
 {
 public:
-    ModelShaderProgram();
+    ModelShaderProgram(bool isCoreProfile);
     int projectionMatrixLoc();
     int modelMatrixLoc();
     int normalMatrixLoc();

src/modelwidget.cpp

@@ -4,6 +4,7 @@
 #include <QGuiApplication>
 #include <math.h>
 #include <QVector4D>
+#include <QSurfaceFormat>
 #include "modelwidget.h"
 #include "util.h"
 
@@ -122,8 +123,16 @@ void ModelWidget::initializeGL()
         QColor bgcolor = QWidget::palette().color(QWidget::backgroundRole());
         glClearColor(bgcolor.redF(), bgcolor.greenF(), bgcolor.blueF(), 1);
     }
-
-    m_program = new ModelShaderProgram;
+    
+    bool isCoreProfile = false;
+    const char *versionString = (const char *)glGetString(GL_VERSION);
+    if (nullptr != versionString &&
+            '\0' != versionString[0] &&
+            0 == strstr(versionString, "Mesa")) {
+        isCoreProfile = QSurfaceFormat::defaultFormat().profile() == QSurfaceFormat::CoreProfile;
+    }
+        
+    m_program = new ModelShaderProgram(isCoreProfile);
     
     // Create a vertex array object. In OpenGL ES 2.0 and OpenGL 2.x
     // implementations this is optional and support may not be present