2 * Copyright © 2015 Intel Corporation
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11 * The above copyright notice and this permission notice (including the next
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24 #include "anv_private.h"
29 anv_render_pass_add_subpass_dep(struct anv_render_pass *pass,
30 const VkSubpassDependency2KHR *dep)
32 if (dep->dstSubpass == VK_SUBPASS_EXTERNAL) {
33 pass->subpass_flushes[pass->subpass_count] |=
34 anv_pipe_invalidate_bits_for_access_flags(dep->dstAccessMask);
36 assert(dep->dstSubpass < pass->subpass_count);
37 pass->subpass_flushes[dep->dstSubpass] |=
38 anv_pipe_invalidate_bits_for_access_flags(dep->dstAccessMask);
41 if (dep->srcSubpass == VK_SUBPASS_EXTERNAL) {
42 pass->subpass_flushes[0] |=
43 anv_pipe_flush_bits_for_access_flags(dep->srcAccessMask);
45 assert(dep->srcSubpass < pass->subpass_count);
46 pass->subpass_flushes[dep->srcSubpass + 1] |=
47 anv_pipe_flush_bits_for_access_flags(dep->srcAccessMask);
51 /* Do a second "compile" step on a render pass */
53 anv_render_pass_compile(struct anv_render_pass *pass)
55 /* The CreateRenderPass code zeros the entire render pass and also uses a
56 * designated initializer for filling these out. There's no need for us to
59 * for (uint32_t i = 0; i < pass->attachment_count; i++) {
60 * pass->attachments[i].usage = 0;
61 * pass->attachments[i].first_subpass_layout = VK_IMAGE_LAYOUT_UNDEFINED;
65 VkImageUsageFlags all_usage = 0;
66 for (uint32_t i = 0; i < pass->subpass_count; i++) {
67 struct anv_subpass *subpass = &pass->subpasses[i];
69 /* We don't allow depth_stencil_attachment to be non-NULL and be
70 * VK_ATTACHMENT_UNUSED. This way something can just check for NULL
71 * and be guaranteed that they have a valid attachment.
73 if (subpass->depth_stencil_attachment &&
74 subpass->depth_stencil_attachment->attachment == VK_ATTACHMENT_UNUSED)
75 subpass->depth_stencil_attachment = NULL;
77 for (uint32_t j = 0; j < subpass->attachment_count; j++) {
78 struct anv_subpass_attachment *subpass_att = &subpass->attachments[j];
79 if (subpass_att->attachment == VK_ATTACHMENT_UNUSED)
82 struct anv_render_pass_attachment *pass_att =
83 &pass->attachments[subpass_att->attachment];
85 assert(__builtin_popcount(subpass_att->usage) == 1);
86 pass_att->usage |= subpass_att->usage;
87 pass_att->last_subpass_idx = i;
89 all_usage |= subpass_att->usage;
91 if (pass_att->first_subpass_layout == VK_IMAGE_LAYOUT_UNDEFINED) {
92 pass_att->first_subpass_layout = subpass_att->layout;
93 assert(pass_att->first_subpass_layout != VK_IMAGE_LAYOUT_UNDEFINED);
96 if (subpass_att->usage == VK_IMAGE_USAGE_INPUT_ATTACHMENT_BIT &&
97 subpass->depth_stencil_attachment &&
98 subpass_att->attachment == subpass->depth_stencil_attachment->attachment)
99 subpass->has_ds_self_dep = true;
102 /* We have to handle resolve attachments specially */
103 subpass->has_resolve = false;
104 if (subpass->resolve_attachments) {
105 for (uint32_t j = 0; j < subpass->color_count; j++) {
106 struct anv_subpass_attachment *color_att =
107 &subpass->color_attachments[j];
108 struct anv_subpass_attachment *resolve_att =
109 &subpass->resolve_attachments[j];
110 if (resolve_att->attachment == VK_ATTACHMENT_UNUSED)
113 subpass->has_resolve = true;
115 assert(resolve_att->usage == VK_IMAGE_USAGE_TRANSFER_DST_BIT);
116 color_att->usage |= VK_IMAGE_USAGE_TRANSFER_SRC_BIT;
121 /* From the Vulkan 1.0.39 spec:
123 * If there is no subpass dependency from VK_SUBPASS_EXTERNAL to the
124 * first subpass that uses an attachment, then an implicit subpass
125 * dependency exists from VK_SUBPASS_EXTERNAL to the first subpass it is
126 * used in. The subpass dependency operates as if defined with the
127 * following parameters:
129 * VkSubpassDependency implicitDependency = {
130 * .srcSubpass = VK_SUBPASS_EXTERNAL;
131 * .dstSubpass = firstSubpass; // First subpass attachment is used in
132 * .srcStageMask = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
133 * .dstStageMask = VK_PIPELINE_STAGE_ALL_COMMANDS_BIT;
134 * .srcAccessMask = 0;
135 * .dstAccessMask = VK_ACCESS_INPUT_ATTACHMENT_READ_BIT |
136 * VK_ACCESS_COLOR_ATTACHMENT_READ_BIT |
137 * VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT |
138 * VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_READ_BIT |
139 * VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT;
140 * .dependencyFlags = 0;
143 * Similarly, if there is no subpass dependency from the last subpass
144 * that uses an attachment to VK_SUBPASS_EXTERNAL, then an implicit
145 * subpass dependency exists from the last subpass it is used in to
146 * VK_SUBPASS_EXTERNAL. The subpass dependency operates as if defined
147 * with the following parameters:
149 * VkSubpassDependency implicitDependency = {
150 * .srcSubpass = lastSubpass; // Last subpass attachment is used in
151 * .dstSubpass = VK_SUBPASS_EXTERNAL;
152 * .srcStageMask = VK_PIPELINE_STAGE_ALL_COMMANDS_BIT;
153 * .dstStageMask = VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT;
154 * .srcAccessMask = VK_ACCESS_INPUT_ATTACHMENT_READ_BIT |
155 * VK_ACCESS_COLOR_ATTACHMENT_READ_BIT |
156 * VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT |
157 * VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_READ_BIT |
158 * VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT;
159 * .dstAccessMask = 0;
160 * .dependencyFlags = 0;
163 * We could implement this by walking over all of the attachments and
164 * subpasses and checking to see if any of them don't have an external
165 * dependency. Or, we could just be lazy and add a couple extra flushes.
166 * We choose to be lazy.
168 if (all_usage & VK_IMAGE_USAGE_INPUT_ATTACHMENT_BIT) {
169 pass->subpass_flushes[0] |=
170 ANV_PIPE_TEXTURE_CACHE_INVALIDATE_BIT;
172 if (all_usage & VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT) {
173 pass->subpass_flushes[pass->subpass_count] |=
174 ANV_PIPE_RENDER_TARGET_CACHE_FLUSH_BIT;
176 if (all_usage & VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT) {
177 pass->subpass_flushes[pass->subpass_count] |=
178 ANV_PIPE_DEPTH_CACHE_FLUSH_BIT;
183 num_subpass_attachments(const VkSubpassDescription *desc)
185 return desc->inputAttachmentCount +
186 desc->colorAttachmentCount +
187 (desc->pResolveAttachments ? desc->colorAttachmentCount : 0) +
188 (desc->pDepthStencilAttachment != NULL);
191 VkResult anv_CreateRenderPass(
193 const VkRenderPassCreateInfo* pCreateInfo,
194 const VkAllocationCallbacks* pAllocator,
195 VkRenderPass* pRenderPass)
197 ANV_FROM_HANDLE(anv_device, device, _device);
199 assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO);
201 struct anv_render_pass *pass;
202 struct anv_subpass *subpasses;
203 struct anv_render_pass_attachment *attachments;
204 enum anv_pipe_bits *subpass_flushes;
207 anv_multialloc_add(&ma, &pass, 1);
208 anv_multialloc_add(&ma, &subpasses, pCreateInfo->subpassCount);
209 anv_multialloc_add(&ma, &attachments, pCreateInfo->attachmentCount);
210 anv_multialloc_add(&ma, &subpass_flushes, pCreateInfo->subpassCount + 1);
212 struct anv_subpass_attachment *subpass_attachments;
213 uint32_t subpass_attachment_count = 0;
214 for (uint32_t i = 0; i < pCreateInfo->subpassCount; i++) {
215 subpass_attachment_count +=
216 num_subpass_attachments(&pCreateInfo->pSubpasses[i]);
218 anv_multialloc_add(&ma, &subpass_attachments, subpass_attachment_count);
220 if (!anv_multialloc_alloc2(&ma, &device->alloc, pAllocator,
221 VK_SYSTEM_ALLOCATION_SCOPE_OBJECT))
222 return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
224 /* Clear the subpasses along with the parent pass. This required because
225 * each array member of anv_subpass must be a valid pointer if not NULL.
227 memset(pass, 0, ma.size);
228 pass->attachment_count = pCreateInfo->attachmentCount;
229 pass->subpass_count = pCreateInfo->subpassCount;
230 pass->attachments = attachments;
231 pass->subpass_flushes = subpass_flushes;
233 for (uint32_t i = 0; i < pCreateInfo->attachmentCount; i++) {
234 pass->attachments[i] = (struct anv_render_pass_attachment) {
235 .format = pCreateInfo->pAttachments[i].format,
236 .samples = pCreateInfo->pAttachments[i].samples,
237 .load_op = pCreateInfo->pAttachments[i].loadOp,
238 .store_op = pCreateInfo->pAttachments[i].storeOp,
239 .stencil_load_op = pCreateInfo->pAttachments[i].stencilLoadOp,
240 .initial_layout = pCreateInfo->pAttachments[i].initialLayout,
241 .final_layout = pCreateInfo->pAttachments[i].finalLayout,
245 for (uint32_t i = 0; i < pCreateInfo->subpassCount; i++) {
246 const VkSubpassDescription *desc = &pCreateInfo->pSubpasses[i];
247 struct anv_subpass *subpass = &pass->subpasses[i];
249 subpass->input_count = desc->inputAttachmentCount;
250 subpass->color_count = desc->colorAttachmentCount;
251 subpass->attachment_count = num_subpass_attachments(desc);
252 subpass->attachments = subpass_attachments;
253 subpass->view_mask = 0;
255 if (desc->inputAttachmentCount > 0) {
256 subpass->input_attachments = subpass_attachments;
257 subpass_attachments += desc->inputAttachmentCount;
259 for (uint32_t j = 0; j < desc->inputAttachmentCount; j++) {
260 subpass->input_attachments[j] = (struct anv_subpass_attachment) {
261 .usage = VK_IMAGE_USAGE_INPUT_ATTACHMENT_BIT,
262 .attachment = desc->pInputAttachments[j].attachment,
263 .layout = desc->pInputAttachments[j].layout,
268 if (desc->colorAttachmentCount > 0) {
269 subpass->color_attachments = subpass_attachments;
270 subpass_attachments += desc->colorAttachmentCount;
272 for (uint32_t j = 0; j < desc->colorAttachmentCount; j++) {
273 subpass->color_attachments[j] = (struct anv_subpass_attachment) {
274 .usage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT,
275 .attachment = desc->pColorAttachments[j].attachment,
276 .layout = desc->pColorAttachments[j].layout,
281 if (desc->pResolveAttachments) {
282 subpass->resolve_attachments = subpass_attachments;
283 subpass_attachments += desc->colorAttachmentCount;
285 for (uint32_t j = 0; j < desc->colorAttachmentCount; j++) {
286 subpass->resolve_attachments[j] = (struct anv_subpass_attachment) {
287 .usage = VK_IMAGE_USAGE_TRANSFER_DST_BIT,
288 .attachment = desc->pResolveAttachments[j].attachment,
289 .layout = desc->pResolveAttachments[j].layout,
294 if (desc->pDepthStencilAttachment) {
295 subpass->depth_stencil_attachment = subpass_attachments++;
297 *subpass->depth_stencil_attachment = (struct anv_subpass_attachment) {
298 .usage = VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT,
299 .attachment = desc->pDepthStencilAttachment->attachment,
300 .layout = desc->pDepthStencilAttachment->layout,
305 for (uint32_t i = 0; i < pCreateInfo->dependencyCount; i++) {
306 /* Convert to a Dependency2KHR */
307 struct VkSubpassDependency2KHR dep2 = {
308 .srcSubpass = pCreateInfo->pDependencies[i].srcSubpass,
309 .dstSubpass = pCreateInfo->pDependencies[i].dstSubpass,
310 .srcStageMask = pCreateInfo->pDependencies[i].srcStageMask,
311 .dstStageMask = pCreateInfo->pDependencies[i].dstStageMask,
312 .srcAccessMask = pCreateInfo->pDependencies[i].srcAccessMask,
313 .dstAccessMask = pCreateInfo->pDependencies[i].dstAccessMask,
314 .dependencyFlags = pCreateInfo->pDependencies[i].dependencyFlags,
316 anv_render_pass_add_subpass_dep(pass, &dep2);
319 vk_foreach_struct(ext, pCreateInfo->pNext) {
320 switch (ext->sType) {
321 case VK_STRUCTURE_TYPE_RENDER_PASS_MULTIVIEW_CREATE_INFO_KHR: {
322 VkRenderPassMultiviewCreateInfoKHR *mv = (void *)ext;
324 for (uint32_t i = 0; i < mv->subpassCount; i++) {
325 pass->subpasses[i].view_mask = mv->pViewMasks[i];
331 anv_debug_ignored_stype(ext->sType);
335 anv_render_pass_compile(pass);
337 *pRenderPass = anv_render_pass_to_handle(pass);
342 void anv_DestroyRenderPass(
345 const VkAllocationCallbacks* pAllocator)
347 ANV_FROM_HANDLE(anv_device, device, _device);
348 ANV_FROM_HANDLE(anv_render_pass, pass, _pass);
350 vk_free2(&device->alloc, pAllocator, pass);
353 void anv_GetRenderAreaGranularity(
355 VkRenderPass renderPass,
356 VkExtent2D* pGranularity)
358 ANV_FROM_HANDLE(anv_render_pass, pass, renderPass);
360 /* This granularity satisfies HiZ fast clear alignment requirements
361 * for all sample counts.
363 for (unsigned i = 0; i < pass->subpass_count; ++i) {
364 if (pass->subpasses[i].depth_stencil_attachment) {
365 *pGranularity = (VkExtent2D) { .width = 8, .height = 4 };
370 *pGranularity = (VkExtent2D) { 1, 1 };