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maintain our own copy of direct_buffer_info as it can change without notice

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fixed bug #3001


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28430 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Jérôme Duval 2008-11-01 15:07:38 +00:00
parent 802b633082
commit 280e43b1f7
2 changed files with 17 additions and 3 deletions
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17
src/add-ons/opengl/mesa_software_renderer/MesaSoftwareRenderer.cpp
View File

@ -17,6 +17,7 @@
#include "MesaSoftwareRenderer.h"
#include <Autolock.h>
#include <GraphicsDefs.h>
#include <Screen.h>
@ -203,6 +204,7 @@ MesaSoftwareRenderer::MesaSoftwareRenderer(BGLView* view, ulong options,
fBitmap(NULL),
fDirectModeEnabled(false),
fInfo(NULL),
fInfoLocker("info locker"),
fContext(NULL),
fVisual(NULL),
fFrameBuffer(NULL),
@ -324,6 +326,7 @@ MesaSoftwareRenderer::LockGL()
BRect b = GLView()->Bounds();
color_space cs = B_RGBA32;
if (fDirectModeEnabled && fInfo != NULL) {
cs = BScreen(GLView()->Window()).ColorSpace();
}
@ -436,6 +439,7 @@ MesaSoftwareRenderer::SwapBuffers(bool VSync)
GLView()->DrawBitmap(fBitmap);
GLView()->UnlockLooper();
} else {
BAutolock lock(fInfoLocker);
uint8 bytesPerPixel = fInfo->bits_per_pixel / 8;
uint32 bytesPerRow = fBitmap->BytesPerRow();
for (uint32 i = 0; i < fInfo->clip_list_count; i++) {
@ -555,8 +559,17 @@ MesaSoftwareRenderer::EnableDirectMode(bool enabled)
void
MesaSoftwareRenderer::DirectConnected(direct_buffer_info *info)
{
fInfo = info;
{
BAutolock lock(fInfoLocker);
if (info) {
if (!fInfo)
fInfo = new direct_buffer_info();
memcpy(fInfo, info, sizeof(*info));
} else if (fInfo) {
delete fInfo;
fInfo = NULL;
}
}

3
src/add-ons/opengl/mesa_software_renderer/MesaSoftwareRenderer.h
View File

@ -61,7 +61,8 @@ private:
BBitmap* fBitmap;
bool fDirectModeEnabled;
direct_buffer_info* fInfo;
direct_buffer_info* fInfo;
BLocker fInfoLocker;
GLcontext* fContext;
GLvisual* fVisual;