wined3d: Avoid reading freed memory when destroying shader resource views.
[wine.git] / dlls / wined3d / view.c
blob5318a5d916922a4f1c3041e440d276264987d9ec
1 /*
2 * Copyright 2009, 2011 Henri Verbeet for CodeWeavers
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20 #include "config.h"
21 #include "wine/port.h"
23 #include "wined3d_private.h"
25 WINE_DEFAULT_DEBUG_CHANNEL(d3d);
27 ULONG CDECL wined3d_rendertarget_view_incref(struct wined3d_rendertarget_view *view)
29 ULONG refcount = InterlockedIncrement(&view->refcount);
31 TRACE("%p increasing refcount to %u.\n", view, refcount);
33 return refcount;
36 static void wined3d_rendertarget_view_destroy_object(void *object)
38 HeapFree(GetProcessHeap(), 0, object);
41 ULONG CDECL wined3d_rendertarget_view_decref(struct wined3d_rendertarget_view *view)
43 ULONG refcount = InterlockedDecrement(&view->refcount);
45 TRACE("%p decreasing refcount to %u.\n", view, refcount);
47 if (!refcount)
49 struct wined3d_device *device = view->resource->device;
51 /* Call wined3d_object_destroyed() before releasing the resource,
52 * since releasing the resource may end up destroying the parent. */
53 view->parent_ops->wined3d_object_destroyed(view->parent);
54 wined3d_resource_decref(view->resource);
55 wined3d_cs_emit_destroy_object(device->cs, wined3d_rendertarget_view_destroy_object, view);
58 return refcount;
61 void * CDECL wined3d_rendertarget_view_get_parent(const struct wined3d_rendertarget_view *view)
63 TRACE("view %p.\n", view);
65 return view->parent;
68 void * CDECL wined3d_rendertarget_view_get_sub_resource_parent(const struct wined3d_rendertarget_view *view)
70 struct wined3d_texture *texture;
72 TRACE("view %p.\n", view);
74 if (view->resource->type == WINED3D_RTYPE_BUFFER)
75 return wined3d_buffer_get_parent(buffer_from_resource(view->resource));
77 texture = texture_from_resource(view->resource);
79 return texture->sub_resources[view->sub_resource_idx].parent;
82 void CDECL wined3d_rendertarget_view_set_parent(struct wined3d_rendertarget_view *view, void *parent)
84 TRACE("view %p, parent %p.\n", view, parent);
86 view->parent = parent;
89 struct wined3d_resource * CDECL wined3d_rendertarget_view_get_resource(const struct wined3d_rendertarget_view *view)
91 TRACE("view %p.\n", view);
93 return view->resource;
96 static HRESULT wined3d_rendertarget_view_init(struct wined3d_rendertarget_view *view,
97 const struct wined3d_rendertarget_view_desc *desc, struct wined3d_resource *resource,
98 void *parent, const struct wined3d_parent_ops *parent_ops)
100 const struct wined3d_gl_info *gl_info = &resource->device->adapter->gl_info;
102 view->refcount = 1;
103 view->parent = parent;
104 view->parent_ops = parent_ops;
106 view->format = wined3d_get_format(gl_info, desc->format_id);
107 view->format_flags = view->format->flags[resource->gl_type];
109 if (wined3d_format_is_typeless(view->format))
111 WARN("Trying to create view for typeless format %s.\n", debug_d3dformat(view->format->id));
112 return E_INVALIDARG;
115 if (resource->type == WINED3D_RTYPE_BUFFER)
117 view->sub_resource_idx = 0;
118 view->buffer_offset = desc->u.buffer.start_idx;
119 view->width = desc->u.buffer.count;
120 view->height = 1;
121 view->depth = 1;
123 else
125 struct wined3d_texture *texture = texture_from_resource(resource);
126 unsigned int depth_or_layer_count;
128 if (resource->type == WINED3D_RTYPE_TEXTURE_3D)
129 depth_or_layer_count = wined3d_texture_get_level_depth(texture, desc->u.texture.level_idx);
130 else
131 depth_or_layer_count = texture->layer_count;
133 if (desc->u.texture.level_idx >= texture->level_count
134 || desc->u.texture.layer_idx >= depth_or_layer_count
135 || !desc->u.texture.layer_count
136 || desc->u.texture.layer_count > depth_or_layer_count - desc->u.texture.layer_idx)
137 return E_INVALIDARG;
139 view->sub_resource_idx = desc->u.texture.level_idx;
140 if (resource->type != WINED3D_RTYPE_TEXTURE_3D)
141 view->sub_resource_idx += desc->u.texture.layer_idx * texture->level_count;
142 view->buffer_offset = 0;
143 view->width = wined3d_texture_get_level_width(texture, desc->u.texture.level_idx);
144 view->height = wined3d_texture_get_level_height(texture, desc->u.texture.level_idx);
145 view->depth = desc->u.texture.layer_count;
147 wined3d_resource_incref(view->resource = resource);
149 return WINED3D_OK;
152 HRESULT CDECL wined3d_rendertarget_view_create(const struct wined3d_rendertarget_view_desc *desc,
153 struct wined3d_resource *resource, void *parent, const struct wined3d_parent_ops *parent_ops,
154 struct wined3d_rendertarget_view **view)
156 struct wined3d_rendertarget_view *object;
157 HRESULT hr;
159 TRACE("desc %p, resource %p, parent %p, parent_ops %p, view %p.\n",
160 desc, resource, parent, parent_ops, view);
162 if (!(object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*object))))
163 return E_OUTOFMEMORY;
165 if (FAILED(hr = wined3d_rendertarget_view_init(object, desc, resource, parent, parent_ops)))
167 HeapFree(GetProcessHeap(), 0, object);
168 WARN("Failed to initialise view, hr %#x.\n", hr);
169 return hr;
172 TRACE("Created render target view %p.\n", object);
173 *view = object;
175 return hr;
178 HRESULT CDECL wined3d_rendertarget_view_create_from_sub_resource(struct wined3d_texture *texture,
179 unsigned int sub_resource_idx, void *parent, const struct wined3d_parent_ops *parent_ops,
180 struct wined3d_rendertarget_view **view)
182 struct wined3d_rendertarget_view_desc desc;
184 TRACE("texture %p, sub_resource_idx %u, parent %p, parent_ops %p, view %p.\n",
185 texture, sub_resource_idx, parent, parent_ops, view);
187 desc.format_id = texture->resource.format->id;
188 desc.u.texture.level_idx = sub_resource_idx % texture->level_count;
189 desc.u.texture.layer_idx = sub_resource_idx / texture->level_count;
190 desc.u.texture.layer_count = 1;
192 return wined3d_rendertarget_view_create(&desc, &texture->resource, parent, parent_ops, view);
195 ULONG CDECL wined3d_shader_resource_view_incref(struct wined3d_shader_resource_view *view)
197 ULONG refcount = InterlockedIncrement(&view->refcount);
199 TRACE("%p increasing refcount to %u.\n", view, refcount);
201 return refcount;
204 static void wined3d_shader_resource_view_destroy_object(void *object)
206 struct wined3d_shader_resource_view *view = object;
208 if (view->object)
210 const struct wined3d_gl_info *gl_info;
211 struct wined3d_context *context;
213 context = context_acquire(view->resource->device, NULL);
214 gl_info = context->gl_info;
215 gl_info->gl_ops.gl.p_glDeleteTextures(1, &view->object);
216 checkGLcall("glDeleteTextures");
217 context_release(context);
220 HeapFree(GetProcessHeap(), 0, view);
223 ULONG CDECL wined3d_shader_resource_view_decref(struct wined3d_shader_resource_view *view)
225 ULONG refcount = InterlockedDecrement(&view->refcount);
227 TRACE("%p decreasing refcount to %u.\n", view, refcount);
229 if (!refcount)
231 struct wined3d_resource *resource = view->resource;
232 struct wined3d_device *device = resource->device;
234 /* Call wined3d_object_destroyed() before releasing the resource,
235 * since releasing the resource may end up destroying the parent. */
236 view->parent_ops->wined3d_object_destroyed(view->parent);
237 wined3d_cs_emit_destroy_object(device->cs, wined3d_shader_resource_view_destroy_object, view);
238 wined3d_resource_decref(resource);
241 return refcount;
244 void * CDECL wined3d_shader_resource_view_get_parent(const struct wined3d_shader_resource_view *view)
246 TRACE("view %p.\n", view);
248 return view->parent;
251 static void wined3d_shader_resource_view_create_texture_view(struct wined3d_shader_resource_view *view,
252 const struct wined3d_shader_resource_view_desc *desc, struct wined3d_texture *texture,
253 const struct wined3d_format *view_format)
255 const struct wined3d_gl_info *gl_info;
256 struct wined3d_context *context;
257 struct gl_texture *gl_texture;
259 context = context_acquire(texture->resource.device, NULL);
260 gl_info = context->gl_info;
262 if (!gl_info->supported[ARB_TEXTURE_VIEW])
264 context_release(context);
265 FIXME("OpenGL implementation does not support texture views.\n");
266 return;
269 wined3d_texture_prepare_texture(texture, context, FALSE);
270 gl_texture = wined3d_texture_get_gl_texture(texture, FALSE);
272 gl_info->gl_ops.gl.p_glGenTextures(1, &view->object);
273 GL_EXTCALL(glTextureView(view->object, view->target, gl_texture->name, view_format->glInternal,
274 desc->u.texture.level_idx, desc->u.texture.level_count,
275 desc->u.texture.layer_idx, desc->u.texture.layer_count));
276 checkGLcall("Create texture view");
278 context_release(context);
281 static HRESULT wined3d_shader_resource_view_init(struct wined3d_shader_resource_view *view,
282 const struct wined3d_shader_resource_view_desc *desc, struct wined3d_resource *resource,
283 void *parent, const struct wined3d_parent_ops *parent_ops)
285 static const struct
287 GLenum texture_target;
288 unsigned int view_flags;
289 GLenum view_target;
291 view_types[] =
293 {GL_TEXTURE_2D, 0, GL_TEXTURE_2D},
294 {GL_TEXTURE_2D, WINED3D_VIEW_TEXTURE_ARRAY, GL_TEXTURE_2D_ARRAY},
295 {GL_TEXTURE_2D_ARRAY, 0, GL_TEXTURE_2D},
296 {GL_TEXTURE_2D_ARRAY, WINED3D_VIEW_TEXTURE_ARRAY, GL_TEXTURE_2D_ARRAY},
297 {GL_TEXTURE_2D_ARRAY, WINED3D_VIEW_TEXTURE_CUBE, GL_TEXTURE_CUBE_MAP},
298 {GL_TEXTURE_3D, 0, GL_TEXTURE_3D},
301 const struct wined3d_gl_info *gl_info = &resource->device->adapter->gl_info;
302 const struct wined3d_format *view_format;
304 view_format = wined3d_get_format(gl_info, desc->format_id);
305 if (wined3d_format_is_typeless(view_format))
307 WARN("Trying to create view for typeless format %s.\n", debug_d3dformat(view_format->id));
308 return E_INVALIDARG;
311 view->refcount = 1;
312 view->parent = parent;
313 view->parent_ops = parent_ops;
315 view->target = GL_NONE;
316 view->object = 0;
318 if (resource->type == WINED3D_RTYPE_BUFFER)
320 FIXME("Buffer shader resource views not supported.\n");
322 else
324 struct wined3d_texture *texture = texture_from_resource(resource);
325 unsigned int i;
327 if (!desc->u.texture.level_count
328 || desc->u.texture.level_idx >= texture->level_count
329 || desc->u.texture.level_count > texture->level_count - desc->u.texture.level_idx
330 || !desc->u.texture.layer_count
331 || desc->u.texture.layer_idx >= texture->layer_count
332 || desc->u.texture.layer_count > texture->layer_count - desc->u.texture.layer_idx)
333 return E_INVALIDARG;
335 view->target = texture->target;
336 for (i = 0; i < ARRAY_SIZE(view_types); ++i)
338 if (view_types[i].texture_target == texture->target && view_types[i].view_flags == desc->flags)
340 view->target = view_types[i].view_target;
341 break;
344 if (i == ARRAY_SIZE(view_types))
345 FIXME("Unhandled view flags %#x for texture target %#x.\n", desc->flags, texture->target);
347 if (resource->format->id == view_format->id && texture->target == view->target
348 && !desc->u.texture.level_idx && desc->u.texture.level_count == texture->level_count
349 && !desc->u.texture.layer_idx && desc->u.texture.layer_count == texture->layer_count)
351 TRACE("Creating identity shader resource view.\n");
353 else if (texture->swapchain && texture->swapchain->desc.backbuffer_count > 1)
355 FIXME("Swapchain shader resource views not supported.\n");
357 else if (resource->format->typeless_id == view_format->typeless_id
358 && resource->format->gl_view_class == view_format->gl_view_class)
360 wined3d_shader_resource_view_create_texture_view(view, desc, texture, view_format);
362 else
364 FIXME("Shader resource view not supported, resource format %s, view format %s.\n",
365 debug_d3dformat(resource->format->id), debug_d3dformat(view_format->id));
368 wined3d_resource_incref(view->resource = resource);
370 return WINED3D_OK;
373 HRESULT CDECL wined3d_shader_resource_view_create(const struct wined3d_shader_resource_view_desc *desc,
374 struct wined3d_resource *resource, void *parent, const struct wined3d_parent_ops *parent_ops,
375 struct wined3d_shader_resource_view **view)
377 struct wined3d_shader_resource_view *object;
378 HRESULT hr;
380 TRACE("desc %p, resource %p, parent %p, parent_ops %p, view %p.\n",
381 desc, resource, parent, parent_ops, view);
383 if (!(object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*object))))
384 return E_OUTOFMEMORY;
386 if (FAILED(hr = wined3d_shader_resource_view_init(object, desc, resource, parent, parent_ops)))
388 HeapFree(GetProcessHeap(), 0, object);
389 WARN("Failed to initialise view, hr %#x.\n", hr);
390 return hr;
393 TRACE("Created shader resource view %p.\n", object);
394 *view = object;
396 return WINED3D_OK;
399 void wined3d_shader_resource_view_bind(struct wined3d_shader_resource_view *view,
400 struct wined3d_context *context)
402 struct wined3d_texture *texture;
404 if (view->object)
406 context_bind_texture(context, view->target, view->object);
407 return;
410 if (view->resource->type == WINED3D_RTYPE_BUFFER)
412 FIXME("Buffer shader resources not supported.\n");
413 return;
416 texture = wined3d_texture_from_resource(view->resource);
417 wined3d_texture_bind(texture, context, FALSE);
420 ULONG CDECL wined3d_unordered_access_view_incref(struct wined3d_unordered_access_view *view)
422 ULONG refcount = InterlockedIncrement(&view->refcount);
424 TRACE("%p increasing refcount to %u.\n", view, refcount);
426 return refcount;
429 static void wined3d_unordered_access_view_destroy_object(void *object)
431 HeapFree(GetProcessHeap(), 0, object);
434 ULONG CDECL wined3d_unordered_access_view_decref(struct wined3d_unordered_access_view *view)
436 ULONG refcount = InterlockedDecrement(&view->refcount);
438 TRACE("%p decreasing refcount to %u.\n", view, refcount);
440 if (!refcount)
442 struct wined3d_device *device = view->resource->device;
444 /* Call wined3d_object_destroyed() before releasing the resource,
445 * since releasing the resource may end up destroying the parent. */
446 view->parent_ops->wined3d_object_destroyed(view->parent);
447 wined3d_resource_decref(view->resource);
448 wined3d_cs_emit_destroy_object(device->cs, wined3d_unordered_access_view_destroy_object, view);
451 return refcount;
454 void * CDECL wined3d_unordered_access_view_get_parent(const struct wined3d_unordered_access_view *view)
456 TRACE("view %p.\n", view);
458 return view->parent;
461 static HRESULT wined3d_unordered_access_view_init(struct wined3d_unordered_access_view *view,
462 const struct wined3d_unordered_access_view_desc *desc, struct wined3d_resource *resource,
463 void *parent, const struct wined3d_parent_ops *parent_ops)
465 const struct wined3d_gl_info *gl_info = &resource->device->adapter->gl_info;
467 view->refcount = 1;
468 view->parent = parent;
469 view->parent_ops = parent_ops;
471 view->format = wined3d_get_format(gl_info, desc->format_id);
473 if (wined3d_format_is_typeless(view->format))
475 WARN("Trying to create view for typeless format %s.\n", debug_d3dformat(view->format->id));
476 return E_INVALIDARG;
479 if (resource->type != WINED3D_RTYPE_BUFFER)
481 struct wined3d_texture *texture = texture_from_resource(resource);
482 unsigned int depth_or_layer_count;
484 if (resource->type == WINED3D_RTYPE_TEXTURE_3D)
485 depth_or_layer_count = wined3d_texture_get_level_depth(texture, desc->u.texture.level_idx);
486 else
487 depth_or_layer_count = texture->layer_count;
489 if (desc->u.texture.level_idx >= texture->level_count
490 || desc->u.texture.layer_idx >= depth_or_layer_count
491 || !desc->u.texture.layer_count
492 || desc->u.texture.layer_count > depth_or_layer_count - desc->u.texture.layer_idx)
493 return E_INVALIDARG;
495 wined3d_resource_incref(view->resource = resource);
497 return WINED3D_OK;
500 HRESULT CDECL wined3d_unordered_access_view_create(const struct wined3d_unordered_access_view_desc *desc,
501 struct wined3d_resource *resource, void *parent, const struct wined3d_parent_ops *parent_ops,
502 struct wined3d_unordered_access_view **view)
504 struct wined3d_unordered_access_view *object;
505 HRESULT hr;
507 TRACE("desc %p, resource %p, parent %p, parent_ops %p, view %p.\n",
508 desc, resource, parent, parent_ops, view);
510 if (!(object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*object))))
511 return E_OUTOFMEMORY;
513 if (FAILED(hr = wined3d_unordered_access_view_init(object, desc, resource, parent, parent_ops)))
515 HeapFree(GetProcessHeap(), 0, object);
516 WARN("Failed to initialise view, hr %#x.\n", hr);
517 return hr;
520 TRACE("Created unordered access view %p.\n", object);
521 *view = object;
523 return WINED3D_OK;