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wined3d: Implement unfenced updates of double buffered buffers.

This commit is contained in:
Stefan Dösinger 2010-03-11 12:34:22 +01:00 committed by Alexandre Julliard
parent 1691a6d7d0
commit 6c53871d30
2 changed files with 64 additions and 25 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

43
dlls/wined3d/buffer.c
View File

@ -767,7 +767,7 @@ static DWORD STDMETHODCALLTYPE buffer_GetPriority(IWineD3DBuffer *iface)
}
/* The caller provides a GL context */
static void buffer_direct_upload(struct wined3d_buffer *This, const struct wined3d_gl_info *gl_info)
static void buffer_direct_upload(struct wined3d_buffer *This, const struct wined3d_gl_info *gl_info, DWORD flags)
{
BYTE *map;
UINT start = 0, len = 0;
@ -779,6 +779,14 @@ static void buffer_direct_upload(struct wined3d_buffer *This, const struct wined
{
GLbitfield mapflags;
mapflags = GL_MAP_WRITE_BIT | GL_MAP_FLUSH_EXPLICIT_BIT;
if (flags & WINED3D_BUFFER_DISCARD)
{
mapflags |= GL_MAP_UNSYNCHRONIZED_BIT | GL_MAP_INVALIDATE_BUFFER_BIT;
}
else if (flags & WINED3D_BUFFER_NOSYNC)
{
mapflags |= GL_MAP_UNSYNCHRONIZED_BIT;
}
map = GL_EXTCALL(glMapBufferRange(This->buffer_type_hint, 0,
This->resource.size, mapflags));
checkGLcall("glMapBufferRange");
@ -828,8 +836,10 @@ static void STDMETHODCALLTYPE buffer_PreLoad(IWineD3DBuffer *iface)
BOOL decl_changed = FALSE;
unsigned int i, j;
BYTE *data;
DWORD flags = This->flags & (WINED3D_BUFFER_NOSYNC | WINED3D_BUFFER_DISCARD);
TRACE("iface %p\n", iface);
This->flags &= ~(WINED3D_BUFFER_NOSYNC | WINED3D_BUFFER_DISCARD);
context = context_acquire(device, NULL, CTXUSAGE_RESOURCELOAD);
@ -927,6 +937,10 @@ static void STDMETHODCALLTYPE buffer_PreLoad(IWineD3DBuffer *iface)
ERR("buffer_add_dirty_area failed, this is not expected\n");
return;
}
/* Avoid unfenced updates, we might overwrite more areas of the buffer than the application
* cleared for unsynchronized updates
*/
flags = 0;
}
if(This->buffer_type_hint == GL_ELEMENT_ARRAY_BUFFER_ARB)
@ -949,7 +963,7 @@ static void STDMETHODCALLTYPE buffer_PreLoad(IWineD3DBuffer *iface)
return;
}
buffer_direct_upload(This, context->gl_info);
buffer_direct_upload(This, context->gl_info, flags);
context_release(context);
return;
@ -1129,6 +1143,7 @@ static HRESULT STDMETHODCALLTYPE buffer_Map(IWineD3DBuffer *iface, UINT offset,
{
struct wined3d_buffer *This = (struct wined3d_buffer *)iface;
LONG count;
BOOL dirty = buffer_is_dirty(This);
TRACE("iface %p, offset %u, size %u, data %p, flags %#x\n", iface, offset, size, data, flags);
@ -1140,7 +1155,9 @@ static HRESULT STDMETHODCALLTYPE buffer_Map(IWineD3DBuffer *iface, UINT offset,
count = InterlockedIncrement(&This->lock_count);
if(!(This->flags & WINED3D_BUFFER_DOUBLEBUFFER) && This->buffer_object)
if (This->buffer_object)
{
if(!(This->flags & WINED3D_BUFFER_DOUBLEBUFFER))
{
if(count == 1)
{
@ -1172,6 +1189,26 @@ static HRESULT STDMETHODCALLTYPE buffer_Map(IWineD3DBuffer *iface, UINT offset,
context_release(context);
}
}
else
{
if (dirty)
{
if (This->flags & WINED3D_BUFFER_NOSYNC && !(flags & WINED3DLOCK_NOOVERWRITE))
{
This->flags &= ~WINED3D_BUFFER_NOSYNC;
}
}
else if(flags & WINED3DLOCK_NOOVERWRITE)
{
This->flags |= WINED3D_BUFFER_NOSYNC;
}
if (flags & WINED3DLOCK_DISCARD)
{
This->flags |= WINED3D_BUFFER_DISCARD;
}
}
}
*data = This->resource.allocatedMemory + offset;

2
dlls/wined3d/wined3d_private.h
View File

@ -2478,6 +2478,8 @@ struct wined3d_map_range
#define WINED3D_BUFFER_CREATEBO 0x04 /* Attempt to create a buffer object next PreLoad */
#define WINED3D_BUFFER_DOUBLEBUFFER 0x08 /* Use a vbo and local allocated memory */
#define WINED3D_BUFFER_FLUSH 0x10 /* Manual unmap flushing */
#define WINED3D_BUFFER_DISCARD 0x20 /* A DISCARD lock has occured since the last PreLoad */
#define WINED3D_BUFFER_NOSYNC 0x40 /* All locks since the last PreLoad had NOOVERWRITE set */
struct wined3d_buffer
{