void MesaDriver::GetBufferSize(GLframebuffer * framebuffer, GLuint *width,
GLuint *height)
{
GET_CURRENT_CONTEXT(ctx);
if (!ctx)
return;
MesaDriver * md = (MesaDriver *) ctx->DriverCtx;
BGLView *bglview = md->m_bglview;
assert(bglview);
BRect b = bglview->Bounds();
*width = (GLuint) b.IntegerWidth() + 1; // (b.right - b.left + 1);
*height = (GLuint) b.IntegerHeight() + 1; // (b.bottom - b.top + 1);
md->m_bottom = (GLint) b.bottom;
if (ctx->Visual.doubleBufferMode) {
if (*width != md->m_width || *height != md->m_height) {
// allocate new size of back buffer bitmap
if (md->m_bitmap)
delete md->m_bitmap;
BRect rect(0.0, 0.0, *width - 1, *height - 1);
md->m_bitmap = new BBitmap(rect, B_RGBA32);
}
}
else
{
md->m_bitmap = NULL;
}
md->m_width = *width;
md->m_height = *height;
}
OpenGLView::OpenGLView()
:
BGroupView("OpenGLView", B_VERTICAL)
{
BGLView* glView = new BGLView(BRect(0, 0, 1, 1), "gl info", B_FOLLOW_NONE, 0,
BGL_RGB | BGL_DOUBLE);
glView->Hide();
AddChild(glView);
glView->LockGL();
float tabViewWidth = this->StringWidth("M") * 42;
float tabViewHeight = this->StringWidth("M") * 16;
BTabView *tabView = new BTabView("tab view", B_WIDTH_FROM_LABEL);
tabView->SetExplicitMinSize(BSize(tabViewWidth, tabViewHeight));
tabView->AddTab(new CapabilitiesView());
tabView->AddTab(new ExtensionsView());
glView->UnlockGL();
GroupLayout()->SetSpacing(0);
BLayoutBuilder::Group<>(this)
.AddGroup(B_HORIZONTAL, 0)
.Add(new GearsView())
.AddGroup(B_VERTICAL, B_USE_DEFAULT_SPACING)
.SetInsets(0, B_USE_DEFAULT_SPACING,
B_USE_DEFAULT_SPACING, B_USE_DEFAULT_SPACING)
.Add(new InfoView())
.Add(tabView)
.End()
.AddGlue()
.End();
}
void MesaDriver::UnlockGL()
{
if (m_bglview->Looper()->IsLocked())
m_bglview->UnlockLooper();
// Could call _mesa_make_current(NULL, NULL) but it would just
// hinder performance
}
void MesaDriver::SwapBuffers() const
{
_mesa_notifySwapBuffers(m_glcontext);
if (m_bitmap) {
m_bglview->LockLooper();
m_bglview->DrawBitmap(m_bitmap);
m_bglview->UnlockLooper();
};
}
void MesaDriver::LockGL()
{
m_bglview->LockLooper();
UpdateState(m_glcontext, 0);
_mesa_make_current(m_glcontext, m_glframebuffer);
}
OpenGLView::OpenGLView()
:
BGroupView("OpenGLView", B_VERTICAL)
{
BGLView* glView = new BGLView(BRect(0, 0, 1, 1), "gl info", B_FOLLOW_NONE, 0,
BGL_RGB | BGL_DOUBLE);
glView->Hide();
AddChild(glView);
glView->LockGL();
BMenu* menu = new BMenu(B_TRANSLATE("Automatic"));
menu->SetRadioMode(true);
menu->SetLabelFromMarked(true);
menu->AddItem(new BMenuItem(B_TRANSLATE("Automatic"),
new BMessage(MENU_AUTO_MESSAGE)));
menu->AddSeparatorItem();
menu->AddItem(new BMenuItem(B_TRANSLATE("Software Rasterizer"),
new BMessage(MENU_SWRAST_MESSAGE)));
menu->AddItem(new BMenuItem(B_TRANSLATE("Gallium Software Pipe"),
new BMessage(MENU_SWPIPE_MESSAGE)));
menu->AddItem(new BMenuItem(B_TRANSLATE("Gallium LLVM Pipe"),
new BMessage(MENU_SWLLVM_MESSAGE)));
BMenuField* menuField = new BMenuField("renderer",
B_TRANSLATE("3D Rendering Engine:"), menu);
// TODO: Set current Renderer
menuField->SetEnabled(false);
BTabView *tabView = new BTabView("tab view", B_WIDTH_FROM_LABEL);
tabView->AddTab(new InfoView());
tabView->AddTab(new CapabilitiesView());
tabView->AddTab(new ExtensionsView());
glView->UnlockGL();
GroupLayout()->SetSpacing(0);
BLayoutBuilder::Group<>(this)
.SetInsets(B_USE_DEFAULT_SPACING, B_USE_DEFAULT_SPACING,
B_USE_DEFAULT_SPACING, B_USE_DEFAULT_SPACING)
.Add(menuField)
.AddGroup(B_HORIZONTAL)
.Add(tabView)
.SetInsets(0, B_USE_DEFAULT_SPACING, 0, 0);
}
void MesaDriver::CopySubBuffer(GLint x, GLint y, GLuint width, GLuint height) const
{
if (m_bitmap) {
// Source bitmap and view's bitmap are same size.
// Source and dest rectangle are the same.
// Note (x,y) = (0,0) is the lower-left corner, have to flip Y
BRect srcAndDest;
srcAndDest.left = x;
srcAndDest.right = x + width - 1;
srcAndDest.bottom = m_bottom - y;
srcAndDest.top = srcAndDest.bottom - height + 1;
m_bglview->DrawBitmap(m_bitmap, srcAndDest, srcAndDest);
}
}
void MesaDriver::WriteMonoRGBAPixelsFront(const GLcontext *ctx, GLuint n,
const GLint x[], const GLint y[],
const GLchan color[4],
const GLubyte mask[])
{
MesaDriver *md = (MesaDriver *) ctx->DriverCtx;
BGLView *bglview = md->m_bglview;
assert(bglview);
// plot points using current color
bglview->SetHighColor(color[RCOMP], color[GCOMP], color[BCOMP]);
if (mask) {
for (GLuint i = 0; i < n; i++) {
if (mask[i]) {
Plot(bglview, x[i], md->m_bottom - y[i]);
}
}
}
else {
for (GLuint i = 0; i < n; i++) {
Plot(bglview, x[i], md->m_bottom - y[i]);
}
}
}
void MesaDriver::WriteRGBAPixelsFront(const GLcontext *ctx,
GLuint n, const GLint x[], const GLint y[],
CONST GLubyte rgba[][4],
const GLubyte mask[] )
{
MesaDriver *md = (MesaDriver *) ctx->DriverCtx;
BGLView *bglview = md->m_bglview;
assert(bglview);
if (mask) {
for (GLuint i = 0; i < n; i++) {
if (mask[i]) {
bglview->SetHighColor(rgba[i][0], rgba[i][1], rgba[i][2]);
Plot(bglview, x[i], md->m_bottom - y[i]);
}
}
}
else {
for (GLuint i = 0; i < n; i++) {
bglview->SetHighColor(rgba[i][0], rgba[i][1], rgba[i][2]);
Plot(bglview, x[i], md->m_bottom - y[i]);
}
}
}
void MesaDriver::WriteMonoRGBASpanFront(const GLcontext *ctx, GLuint n,
GLint x, GLint y,
const GLchan color[4],
const GLubyte mask[])
{
MesaDriver *md = (MesaDriver *) ctx->DriverCtx;
BGLView *bglview = md->m_bglview;
assert(bglview);
int flippedY = md->m_bottom - y;
bglview->SetHighColor(color[RCOMP], color[GCOMP], color[BCOMP]);
if (mask) {
for (GLuint i = 0; i < n; i++) {
if (mask[i]) {
Plot(bglview, x++, flippedY);
}
}
}
else {
for (GLuint i = 0; i < n; i++) {
Plot(bglview, x++, flippedY);
}
}
}
void MesaDriver::WriteRGBSpanFront(const GLcontext *ctx, GLuint n,
GLint x, GLint y,
CONST GLubyte rgba[][3],
const GLubyte mask[])
{
MesaDriver *md = (MesaDriver *) ctx->DriverCtx;
BGLView *bglview = md->m_bglview;
assert(bglview);
int flippedY = md->m_bottom - y;
if (mask) {
for (GLuint i = 0; i < n; i++) {
if (mask[i]) {
bglview->SetHighColor(rgba[i][0], rgba[i][1], rgba[i][2]);
Plot(bglview, x++, flippedY);
}
}
}
else {
for (GLuint i = 0; i < n; i++) {
bglview->SetHighColor(rgba[i][0], rgba[i][1], rgba[i][2]);
Plot(bglview, x++, flippedY);
}
}
}
void MesaDriver::ClearFront(GLcontext *ctx,
GLboolean all, GLint x, GLint y,
GLint width, GLint height)
{
MesaDriver *md = (MesaDriver *) ctx->DriverCtx;
BGLView *bglview = md->m_bglview;
assert(bglview);
bglview->SetHighColor(md->m_clear_color[BE_RCOMP],
md->m_clear_color[BE_GCOMP],
md->m_clear_color[BE_BCOMP],
md->m_clear_color[BE_ACOMP]);
bglview->SetLowColor(md->m_clear_color[BE_RCOMP],
md->m_clear_color[BE_GCOMP],
md->m_clear_color[BE_BCOMP],
md->m_clear_color[BE_ACOMP]);
if (all) {
BRect b = bglview->Bounds();
bglview->FillRect(b);
}
else {
// XXX untested
BRect b;
b.left = x;
b.right = x + width;
b.bottom = md->m_height - y - 1;
b.top = b.bottom - height;
bglview->FillRect(b);
}
// restore drawing color
#if 0
bglview->SetHighColor(md->mColor[BE_RCOMP],
md->mColor[BE_GCOMP],
md->mColor[BE_BCOMP],
md->mColor[BE_ACOMP]);
bglview->SetLowColor(md->mColor[BE_RCOMP],
md->mColor[BE_GCOMP],
md->mColor[BE_BCOMP],
md->mColor[BE_ACOMP]);
#endif
}
void MesaDriver::Draw(BRect updateRect) const
{
if (m_bitmap)
m_bglview->DrawBitmap(m_bitmap, updateRect, updateRect);
}
