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-rw-r--r--src/glview.cc147
1 files changed, 92 insertions, 55 deletions
diff --git a/src/glview.cc b/src/glview.cc
index bc287b5..c96fe01 100644
--- a/src/glview.cc
+++ b/src/glview.cc
@@ -27,6 +27,7 @@
#include "GLView.h"
#include "Preferences.h"
#include "renderer.h"
+#include "rendersettings.h"
#include <QApplication>
#include <QWheelEvent>
@@ -39,6 +40,9 @@
#include <QTimer>
#include <QTextEdit>
#include <QVBoxLayout>
+#include <QErrorMessage>
+#include "OpenCSGWarningDialog.h"
+
#include "mathc99.h"
#include <stdio.h>
@@ -133,35 +137,84 @@ void GLView::initializeGL()
fprintf(stderr, "GLEW Error: %s\n", glewGetErrorString(err));
}
+ GLint rbits, gbits, bbits, abits, dbits, sbits;
+ glGetIntegerv(GL_RED_BITS, &rbits);
+ glGetIntegerv(GL_GREEN_BITS, &gbits);
+ glGetIntegerv(GL_BLUE_BITS, &bbits);
+ glGetIntegerv(GL_ALPHA_BITS, &abits);
+ glGetIntegerv(GL_DEPTH_BITS, &dbits);
+ glGetIntegerv(GL_STENCIL_BITS, &sbits);
+
+
+ this->rendererInfo.sprintf("GLEW version %s\n"
+ "OpenGL version %s\n"
+ "%s (%s)\n\n"
+ "RGBA(%d%d%d%d), depth(%d), stencil(%d)\n"
+ "Extensions:\n"
+ "%s\n",
+ glewGetString(GLEW_VERSION),
+ glGetString(GL_RENDERER),
+ glGetString(GL_VENDOR),
+ glGetString(GL_VERSION),
+ rbits, gbits, bbits, abits, dbits, sbits,
+ glGetString(GL_EXTENSIONS));
+// FIXME: glGetString(GL_EXTENSIONS) is deprecated in OpenGL 3.0.
+// Use: glGetIntegerv(GL_NUM_EXTENSIONS, &NumberOfExtensions) and
+// glGetStringi(GL_EXTENSIONS, i)
+
const char *openscad_disable_gl20_env = getenv("OPENSCAD_DISABLE_GL20");
if (openscad_disable_gl20_env && !strcmp(openscad_disable_gl20_env, "0")) {
openscad_disable_gl20_env = NULL;
}
// All OpenGL 2 contexts are OpenCSG capable
- if (GLEW_VERSION_2_0 && !openscad_disable_gl20_env) this->is_opencsg_capable = true;
- // If OpenGL < 2, check for extensions
- else if (GLEW_ARB_framebuffer_object) this->is_opencsg_capable = true;
- else if (GLEW_EXT_framebuffer_object && GLEW_EXT_packed_depth_stencil) {
- this->is_opencsg_capable = true;
+ if (GLEW_VERSION_2_0) {
+ if (!openscad_disable_gl20_env) {
+ this->is_opencsg_capable = true;
+ this->has_shaders = true;
+ }
}
+ // If OpenGL < 2, check for extensions
+ else {
+ if (GLEW_ARB_framebuffer_object) this->is_opencsg_capable = true;
+ else if (GLEW_EXT_framebuffer_object && GLEW_EXT_packed_depth_stencil) {
+ this->is_opencsg_capable = true;
+ }
#ifdef WIN32
- else if (WGLEW_ARB_pbuffer && WGLEW_ARB_pixel_format) this->is_opencsg_capable = true;
+ else if (WGLEW_ARB_pbuffer && WGLEW_ARB_pixel_format) this->is_opencsg_capable = true;
#elif !defined(__APPLE__)
- else if (GLXEW_SGIX_pbuffer && GLXEW_SGIX_fbconfig) this->is_opencsg_capable = true;
+ else if (GLXEW_SGIX_pbuffer && GLXEW_SGIX_fbconfig) this->is_opencsg_capable = true;
#endif
+ }
- if (GLEW_VERSION_2_0 && !openscad_disable_gl20_env) this->has_shaders = true;
-
- if (!this->is_opencsg_capable) {
- opencsg_support = false;
- QSettings settings;
- // FIXME: This should be an OpenCSG capability warning, not an OpenGL 2 warning
- if (settings.value("editor/opengl20_warning_show",true).toBool()) {
+ if (!GLEW_VERSION_2_0 || !this->is_opencsg_capable) {
+ if (Preferences::inst()->getValue("advanced/opencsg_show_warning").toBool()) {
QTimer::singleShot(0, this, SLOT(display_opencsg_warning()));
}
}
if (opencsg_support && this->has_shaders) {
+ /*
+ Uniforms:
+ 1 color1 - face color
+ 2 color2 - edge color
+ 7 xscale
+ 8 yscale
+
+ Attributes:
+ 3 trig
+ 4 pos_b
+ 5 pos_c
+ 6 mask
+
+ Other:
+ 9 width
+ 10 height
+
+ Outputs:
+ tp
+ tr
+ shading
+ */
const char *vs_source =
"uniform float xscale, yscale;\n"
"attribute vec3 pos_b, pos_c;\n"
@@ -187,6 +240,11 @@ void GLView::initializeGL()
" shading = abs(dot(normal, lightDir));\n"
"}\n";
+ /*
+ Inputs:
+ tp && tr - if any components of tp < tr, use color2 (edge color)
+ shading - multiplied by color1. color2 is is without lighting
+ */
const char *fs_source =
"uniform vec4 color1, color2;\n"
"varying vec3 tp, tr, tmp;\n"
@@ -252,9 +310,19 @@ void GLView::initializeGL()
#ifdef ENABLE_OPENCSG
void GLView::display_opencsg_warning()
{
- // data
- QString title = QString("OpenGL context is not OpenCSG capable");
+ OpenCSGWarningDialog *dialog = new OpenCSGWarningDialog(this);
+ QString message;
+ if (this->is_opencsg_capable) {
+ message += "Warning: You may experience OpenCSG rendering errors.\n\n";
+ }
+ else {
+ message += "Warning: Missing OpenGL capabilities for OpenCSG - OpenCSG has been disabled.\n\n";
+ dialog->enableOpenCSGBox->hide();
+ }
+ message += "It is highly recommended to use OpenSCAD on a system with "
+ "OpenGL 2.0 or later.\n"
+ "Your renderer information is as follows:\n";
QString rendererinfo;
rendererinfo.sprintf("GLEW version %s\n"
"%s (%s)\n"
@@ -262,44 +330,13 @@ void GLView::display_opencsg_warning()
glewGetString(GLEW_VERSION),
glGetString(GL_RENDERER), glGetString(GL_VENDOR),
glGetString(GL_VERSION));
+ message += rendererinfo;
- QString message = QString("Warning: Missing OpenGL capabilities for OpenCSG - OpenCSG has been disabled.\n\n"
- "It is highly recommended to use OpenSCAD on a system with OpenGL 2.0, "
- "or support for the framebuffer_object or pbuffer extensions. "
- "Your renderer information is as follows:\n\n%1").arg(rendererinfo);
-
- QString note = QString("Uncheck to hide this message in the future");
-
- // presentation
- QDialog *dialog = new QDialog(this);
- dialog->setSizeGripEnabled(true);
- dialog->setWindowTitle(title);
- dialog->resize(500,300);
-
- QVBoxLayout *layout = new QVBoxLayout(dialog);
- dialog->setLayout(layout);
-
- QTextEdit *textEdit = new QTextEdit(dialog);
- textEdit->setPlainText(message);
- layout->addWidget(textEdit);
-
- QCheckBox *checkbox = new QCheckBox(note,dialog);
- checkbox->setCheckState(Qt::Checked);
- layout->addWidget(checkbox);
-
- QDialogButtonBox *buttonbox =
- new QDialogButtonBox( QDialogButtonBox::Ok, Qt::Horizontal,dialog);
- layout->addWidget(buttonbox);
- buttonbox->button(QDialogButtonBox::Ok)->setFocus();
- buttonbox->button(QDialogButtonBox::Ok)->setDefault(true);
-
- // action
- connect(buttonbox, SIGNAL(accepted()), dialog, SLOT(accept()));
- connect(checkbox, SIGNAL(clicked(bool)),
- Preferences::inst()->openCSGWarningBox, SLOT(setChecked(bool)));
- connect(checkbox, SIGNAL(clicked(bool)),
- Preferences::inst(), SLOT(openCSGWarningChanged(bool)));
+ dialog->setText(message);
+ dialog->enableOpenCSGBox->setChecked(Preferences::inst()->getValue("advanced/enable_opencsg_opengl1x").toBool());
dialog->exec();
+
+ opencsg_support = this->is_opencsg_capable && Preferences::inst()->getValue("advanced/enable_opencsg_opengl1x").toBool();
}
#endif
@@ -344,7 +381,7 @@ void GLView::paintGL()
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
- const QColor &bgcol = Preferences::inst()->color(Preferences::BACKGROUND_COLOR);
+ const QColor &bgcol = RenderSettings::inst()->color(RenderSettings::BACKGROUND_COLOR);
glClearColor(bgcol.redF(), bgcol.greenF(), bgcol.blueF(), 0.0);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
@@ -362,7 +399,7 @@ void GLView::paintGL()
if (showcrosshairs)
{
glLineWidth(3);
- const QColor &col = Preferences::inst()->color(Preferences::CROSSHAIR_COLOR);
+ const QColor &col = RenderSettings::inst()->color(RenderSettings::CROSSHAIR_COLOR);
glColor3f(col.redF(), col.greenF(), col.blueF());
glBegin(GL_LINES);
for (double xf = -1; xf <= +1; xf += 2)
@@ -463,7 +500,7 @@ void GLView::paintGL()
// FIXME: This was an attempt to keep contrast with background, but is suboptimal
// (e.g. nearly invisible against a gray background).
int r,g,b;
- bgcol.getRgb(&r, &g, &b);
+// bgcol.getRgb(&r, &g, &b);
glColor3d((255.0-r)/255.0, (255.0-g)/255.0, (255.0-b)/255.0);
glBegin(GL_LINES);
// X Label
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