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AccelerantHWInterface now uses a MallocBuffer as RenderingBuffer for the back buffer instead of a BitmapBuffer, which under Haiku does not work.

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@12217 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Stephan Aßmus
2005-04-01 10:36:23 +00:00
parent 7d5778defa
commit 8940f93c1d
6 changed files with 133 additions and 10 deletions
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src/servers/app/drawing/AccelerantHWInterface.cpp
+8 -7
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@@ -38,7 +38,7 @@
#include "AccelerantHWInterface.h"
#include "AccelerantBuffer.h"
#include "BitmapBuffer.h"
#include "MallocBuffer.h"
#ifdef DEBUG_DRIVER_MODULE
@@ -332,22 +332,23 @@ AccelerantHWInterface::SetMode(const display_mode &mode)
// NOTE: backbuffer is always B_RGBA32, this simplifies the
// drawing backend implementation tremendously for the time
// being. The color space conversion is handled in CopyBackToFront()
BRect bounds(0, 0, fDisplayMode.virtual_width - 1, fDisplayMode.virtual_height - 1);
BBitmap *backBitmap = new BBitmap(bounds, 0, B_RGBA32);
delete fBackBuffer;
fBackBuffer = new BitmapBuffer(backBitmap);
fBackBuffer = new MallocBuffer(fDisplayMode.virtual_width - 1,
fDisplayMode.virtual_height - 1);
if (fBackBuffer->InitCheck() != B_OK) {
status_t ret = fBackBuffer->InitCheck();
if (ret < B_OK) {
delete fBackBuffer;
fBackBuffer = NULL;
return B_ERROR;
return ret;
}
// clear out backbuffer, alpha is 255 this way
// TODO: maybe this should handle different color spaces in different
// ways
memset(backBitmap->Bits(), 255, backBitmap->BitsLength());
memset(fBackBuffer->Bits(), 255,
fBackBuffer->BytesPerRow() * fBackBuffer->Height());
}
return B_OK;