From: Zebediah Figura zfigura@codeweavers.com
--- dlls/wined3d/buffer.c | 78 +++++++++++++++++++++++++++++++++++++++ dlls/wined3d/wined3d.spec | 2 + include/wine/wined3d.h | 24 ++++++++++++ 3 files changed, 104 insertions(+)
diff --git a/dlls/wined3d/buffer.c b/dlls/wined3d/buffer.c index 9b0d98139ce..2131123bf44 100644 --- a/dlls/wined3d/buffer.c +++ b/dlls/wined3d/buffer.c @@ -1647,3 +1647,81 @@ HRESULT CDECL wined3d_buffer_create(struct wined3d_device *device, const struct
return device->adapter->adapter_ops->adapter_create_buffer(device, desc, data, parent, parent_ops, buffer); } + +static HRESULT wined3d_streaming_buffer_prepare(struct wined3d_device *device, + struct wined3d_streaming_buffer *buffer, unsigned int min_size) +{ + struct wined3d_buffer *wined3d_buffer; + struct wined3d_buffer_desc desc; + unsigned int old_size = 0; + unsigned int size; + HRESULT hr; + + if (buffer->buffer) + { + old_size = buffer->buffer->resource.size; + if (old_size >= min_size) + return S_OK; + } + + size = max(old_size * 2, min_size); + TRACE("Growing buffer to %u bytes.\n", size); + + desc.byte_width = size; + desc.usage = WINED3DUSAGE_DYNAMIC; + desc.bind_flags = buffer->bind_flags; + desc.access = WINED3D_RESOURCE_ACCESS_GPU | WINED3D_RESOURCE_ACCESS_MAP_W; + desc.misc_flags = 0; + desc.structure_byte_stride = 0; + + if (SUCCEEDED(hr = wined3d_buffer_create(device, &desc, NULL, NULL, &wined3d_null_parent_ops, &wined3d_buffer))) + { + if (buffer->buffer) + wined3d_buffer_decref(buffer->buffer); + buffer->buffer = wined3d_buffer; + buffer->pos = 0; + } + return hr; +} + +HRESULT CDECL wined3d_streaming_buffer_upload(struct wined3d_device *device, struct wined3d_streaming_buffer *buffer, + const void *data, unsigned int size, unsigned int stride, unsigned int *ret_pos) +{ + unsigned int map_flags = WINED3D_MAP_WRITE; + struct wined3d_resource *resource; + struct wined3d_map_desc map_desc; + unsigned int pos, align; + struct wined3d_box box; + HRESULT hr; + + TRACE("device %p, buffer %p, data %p, size %u, stride %u, ret_pos %p.\n", + device, buffer, data, size, stride, ret_pos); + + if (FAILED(hr = wined3d_streaming_buffer_prepare(device, buffer, size))) + return hr; + resource = &buffer->buffer->resource; + + pos = buffer->pos; + if ((align = pos % stride)) + align = stride - align; + if (pos + size + align > resource->size) + { + pos = 0; + map_flags |= WINED3D_MAP_DISCARD; + } + else + { + pos += align; + map_flags |= WINED3D_MAP_NOOVERWRITE; + } + + wined3d_box_set(&box, pos, 0, pos + size, 1, 0, 1); + if (SUCCEEDED(hr = wined3d_resource_map(resource, 0, &map_desc, &box, map_flags))) + { + memcpy(map_desc.data, data, size); + wined3d_resource_unmap(resource, 0); + *ret_pos = pos; + buffer->pos = pos + size; + } + return hr; +} diff --git a/dlls/wined3d/wined3d.spec b/dlls/wined3d/wined3d.spec index 63220e1222c..1f9c398a5c5 100644 --- a/dlls/wined3d/wined3d.spec +++ b/dlls/wined3d/wined3d.spec @@ -260,6 +260,8 @@ @ cdecl wined3d_stateblock_set_vs_consts_f(ptr long long ptr) @ cdecl wined3d_stateblock_set_vs_consts_i(ptr long long ptr)
+@ cdecl wined3d_streaming_buffer_upload(ptr ptr ptr long long ptr) + @ cdecl wined3d_swapchain_create(ptr ptr ptr ptr ptr ptr) @ cdecl wined3d_swapchain_decref(ptr) @ cdecl wined3d_swapchain_get_back_buffer(ptr long) diff --git a/include/wine/wined3d.h b/include/wine/wined3d.h index 116aea82348..ce2da6e4c04 100644 --- a/include/wine/wined3d.h +++ b/include/wine/wined3d.h @@ -2320,6 +2320,13 @@ struct wined3d_private_data
typedef HRESULT (CDECL *wined3d_device_reset_cb)(struct wined3d_resource *resource);
+struct wined3d_streaming_buffer +{ + struct wined3d_buffer *buffer; + unsigned int pos; + unsigned int bind_flags; +}; + void __stdcall wined3d_mutex_lock(void); void __stdcall wined3d_mutex_unlock(void);
@@ -2825,6 +2832,9 @@ HRESULT __cdecl wined3d_stateblock_set_vs_consts_f(struct wined3d_stateblock *st HRESULT __cdecl wined3d_stateblock_set_vs_consts_i(struct wined3d_stateblock *stateblock, unsigned int start_idx, unsigned int count, const struct wined3d_ivec4 *constants);
+HRESULT __cdecl wined3d_streaming_buffer_upload(struct wined3d_device *device, struct wined3d_streaming_buffer *buffer, + const void *data, unsigned int size, unsigned int stride, unsigned int *pos); + HRESULT __cdecl wined3d_swapchain_create(struct wined3d_device *device, struct wined3d_swapchain_desc *desc, struct wined3d_swapchain_state_parent *state_parent, void *parent, const struct wined3d_parent_ops *parent_ops, @@ -2922,6 +2932,20 @@ ULONG __cdecl wined3d_vertex_declaration_incref(struct wined3d_vertex_declaratio HRESULT __cdecl wined3d_extract_shader_input_signature_from_dxbc(struct wined3d_shader_signature *signature, const void *byte_code, SIZE_T byte_code_size);
+static inline void wined3d_streaming_buffer_init(struct wined3d_streaming_buffer *buffer, unsigned int bind_flags) +{ + memset(buffer, 0, sizeof(*buffer)); + buffer->bind_flags = bind_flags; +} + +static inline void wined3d_streaming_buffer_cleanup(struct wined3d_streaming_buffer *buffer) +{ + if (buffer->buffer) + wined3d_buffer_decref(buffer->buffer); + buffer->buffer = NULL; + buffer->pos = 0; +} + /* Return the integer base-2 logarithm of x. Undefined for x == 0. */ static inline unsigned int wined3d_log2i(unsigned int x) {