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wined3d: Download buffer ranges through buffer ops. 

Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Henri Verbeet 2019-08-08 03:17:08 +04:30 committed by Alexandre Julliard
parent ac7ca87a68
commit e1448751ea
2 changed files with 28 additions and 7 deletions
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33
dlls/wined3d/buffer.c
View File

@ -628,9 +628,7 @@ static BOOL wined3d_buffer_prepare_location(struct wined3d_buffer *buffer,
BOOL wined3d_buffer_load_location(struct wined3d_buffer *buffer,
struct wined3d_context *context, DWORD location)
{
struct wined3d_context_gl *context_gl = wined3d_context_gl(context);
struct wined3d_buffer_gl *buffer_gl = wined3d_buffer_gl(buffer);
const struct wined3d_gl_info *gl_info = context_gl->gl_info;
struct wined3d_map_range range;
TRACE("buffer %p, context %p, location %s.\n",
buffer, context, wined3d_debug_location(location));
@ -664,10 +662,10 @@ BOOL wined3d_buffer_load_location(struct wined3d_buffer *buffer,
switch (location)
{
case WINED3D_LOCATION_SYSMEM:
wined3d_buffer_gl_bind(buffer_gl, context_gl);
GL_EXTCALL(glGetBufferSubData(buffer_gl->buffer_type_hint, 0, buffer->resource.size,
buffer->resource.heap_memory));
checkGLcall("buffer download");
range.offset = 0;
range.size = buffer->resource.size;
buffer->buffer_ops->buffer_download_ranges(buffer, context,
buffer->resource.heap_memory, 0, 1, &range);
break;
case WINED3D_LOCATION_BUFFER:
@ -1463,9 +1461,30 @@ static void wined3d_buffer_gl_upload_ranges(struct wined3d_buffer *buffer, struc
checkGLcall("buffer upload");
}
/* Context activation is done by the caller. */
static void wined3d_buffer_gl_download_ranges(struct wined3d_buffer *buffer, struct wined3d_context *context,
void *data, unsigned int data_offset, unsigned int range_count, const struct wined3d_map_range *ranges)
{
struct wined3d_context_gl *context_gl = wined3d_context_gl(context);
struct wined3d_buffer_gl *buffer_gl = wined3d_buffer_gl(buffer);
const struct wined3d_gl_info *gl_info = context_gl->gl_info;
const struct wined3d_map_range *range;
wined3d_buffer_gl_bind(buffer_gl, context_gl);
while (range_count--)
{
range = &ranges[range_count];
GL_EXTCALL(glGetBufferSubData(buffer_gl->buffer_type_hint,
range->offset, range->size, (BYTE *)data + range->offset - data_offset));
}
checkGLcall("buffer download");
}
static const struct wined3d_buffer_ops wined3d_buffer_gl_ops =
{
wined3d_buffer_gl_upload_ranges,
wined3d_buffer_gl_download_ranges,
};
HRESULT CDECL wined3d_buffer_create(struct wined3d_device *device, const struct wined3d_buffer_desc *desc,

2
dlls/wined3d/wined3d_private.h
View File

@ -4047,6 +4047,8 @@ struct wined3d_buffer_ops
{
void (*buffer_upload_ranges)(struct wined3d_buffer *buffer, struct wined3d_context *context, const void *data,
unsigned int data_offset, unsigned int range_count, const struct wined3d_map_range *ranges);
void (*buffer_download_ranges)(struct wined3d_buffer *buffer, struct wined3d_context *context, void *data,
unsigned int data_offset, unsigned int range_count, const struct wined3d_map_range *ranges);
};
struct wined3d_buffer