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wined3d: Implement subrange flushing with GL_APPLE_flush_buffer_range.

This commit is contained in:
Stefan Dösinger 2009-12-17 22:44:07 +01:00 committed by Alexandre Julliard
parent 5296d5b016
commit a756caac0c
2 changed files with 24 additions and 1 deletions
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24
dlls/wined3d/buffer.c
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@ -95,6 +95,7 @@ static inline BOOL buffer_is_fully_dirty(struct wined3d_buffer *This)
static void buffer_create_buffer_object(struct wined3d_buffer *This)
{
GLenum error, gl_usage;
const struct wined3d_gl_info *gl_info = &This->resource.device->adapter->gl_info;
TRACE("Creating an OpenGL vertex buffer object for IWineD3DVertexBuffer %p Usage(%s)\n",
This, debug_d3dusage(This->resource.usage));
@ -149,6 +150,13 @@ static void buffer_create_buffer_object(struct wined3d_buffer *This)
{
TRACE("Gl usage = GL_DYNAMIC_DRAW_ARB\n");
gl_usage = GL_DYNAMIC_DRAW_ARB;
if(gl_info->supported[APPLE_FLUSH_BUFFER_RANGE])
{
GL_EXTCALL(glBufferParameteriAPPLE(This->buffer_type_hint, GL_BUFFER_FLUSHING_UNMAP_APPLE, GL_FALSE));
checkGLcall("glBufferParameteriAPPLE(This->buffer_type_hint, GL_BUFFER_FLUSHING_UNMAP_APPLE, GL_FALSE)");
This->flags |= WINED3D_BUFFER_FLUSH;
}
}
/* Reserve memory for the buffer. The amount of data won't change
@ -1061,6 +1069,7 @@ static HRESULT STDMETHODCALLTYPE buffer_Map(IWineD3DBuffer *iface, UINT offset,
static HRESULT STDMETHODCALLTYPE buffer_Unmap(IWineD3DBuffer *iface)
{
struct wined3d_buffer *This = (struct wined3d_buffer *)iface;
ULONG i;
TRACE("(%p)\n", This);
@ -1094,6 +1103,18 @@ static HRESULT STDMETHODCALLTYPE buffer_Unmap(IWineD3DBuffer *iface)
context = context_acquire(device, NULL, CTXUSAGE_RESOURCELOAD);
ENTER_GL();
GL_EXTCALL(glBindBufferARB(This->buffer_type_hint, This->buffer_object));
if(This->flags & WINED3D_BUFFER_FLUSH)
{
for(i = 0; i < This->modified_areas; i++)
{
GL_EXTCALL(glFlushMappedBufferRangeAPPLE(This->buffer_type_hint,
This->maps[i].offset,
This->maps[i].size));
checkGLcall("glFlushMappedBufferRangeAPPLE");
}
}
GL_EXTCALL(glUnmapBufferARB(This->buffer_type_hint));
LEAVE_GL();
context_release(context);
@ -1175,7 +1196,8 @@ HRESULT buffer_init(struct wined3d_buffer *buffer, IWineD3DDeviceImpl *device,
TRACE("size %#x, usage %#x, format %s, memory @ %p, iface @ %p.\n", buffer->resource.size, buffer->resource.usage,
debug_d3dformat(buffer->resource.format_desc->format), buffer->resource.allocatedMemory, buffer);
dynamic_buffer_ok = FALSE; /* TODO: GL_APPLE_map_buffer_range, GL_ARB_map_buffer_range */
/* TODO: GL_ARB_map_buffer_range */
dynamic_buffer_ok = gl_info->supported[APPLE_FLUSH_BUFFER_RANGE];
/* Observations show that drawStridedSlow is faster on dynamic VBs than converting +
* drawStridedFast (half-life 2 and others).

1
dlls/wined3d/wined3d_private.h
View File

@ -2368,6 +2368,7 @@ struct wined3d_map_range
#define WINED3D_BUFFER_HASDESC 0x02 /* A vertex description has been found */
#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 */
struct wined3d_buffer
{