Henri Verbeet : wined3d: Download buffer ranges through buffer ops.
Alexandre Julliard
julliard at winehq.org
Thu Aug 8 19:27:19 CDT 2019
Module: wine
Branch: master
Commit: e1448751ead1259e3868658b76283540be2234a9
URL: https://source.winehq.org/git/wine.git/?a=commit;h=e1448751ead1259e3868658b76283540be2234a9
Author: Henri Verbeet <hverbeet at codeweavers.com>
Date: Thu Aug 8 03:35:08 2019 +0430
wined3d: Download buffer ranges through buffer ops.
Signed-off-by: Henri Verbeet <hverbeet at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
dlls/wined3d/buffer.c | 33 ++++++++++++++++++++++++++-------
dlls/wined3d/wined3d_private.h | 2 ++
2 files changed, 28 insertions(+), 7 deletions(-)
diff --git a/dlls/wined3d/buffer.c b/dlls/wined3d/buffer.c
index a2908bf..65eff21 100644
--- a/dlls/wined3d/buffer.c
+++ b/dlls/wined3d/buffer.c
@@ -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,
diff --git a/dlls/wined3d/wined3d_private.h b/dlls/wined3d/wined3d_private.h
index 8dbf255..173f169 100644
--- a/dlls/wined3d/wined3d_private.h
+++ b/dlls/wined3d/wined3d_private.h
@@ -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
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