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tu: Implement VK_EXT_fragment_density_map_offset

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Implement support for dynamic rendering, including suspending and
resuming render passes.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/34159>
This commit is contained in:
Connor Abbott 2025-02-17 17:21:36 -05:00 • committed by Marge Bot
parent f5ac3c452d
commit 536b2b13c8
4 changed files with 49 additions and 17 deletions
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55
src/freedreno/vulkan/tu_cmd_buffer.cc
View file

@ -1757,7 +1757,7 @@ tu_enable_fdm_offset(struct tu_cmd_buffer *cmd)
const struct tu_image_view *fdm = cmd->state.attachments[fdm_a];
return fdm->image->vk.create_flags &
VK_IMAGE_CREATE_FRAGMENT_DENSITY_MAP_OFFSET_BIT_QCOM;
VK_IMAGE_CREATE_FRAGMENT_DENSITY_MAP_OFFSET_BIT_EXT;
}
static void
@ -4841,6 +4841,13 @@ tu_append_pre_chain(struct tu_cmd_buffer *cmd,
secondary->pre_chain.trace_renderpass_end);
util_dynarray_append_dynarray(&cmd->fdm_bin_patchpoints,
&secondary->pre_chain.fdm_bin_patchpoints);
cmd->pre_chain.fdm_offset = secondary->pre_chain.fdm_offset;
if (secondary->pre_chain.fdm_offset) {
memcpy(cmd->pre_chain.fdm_offsets,
secondary->pre_chain.fdm_offsets,
sizeof(cmd->pre_chain.fdm_offsets));
}
}
/* Take the saved post-chain in "secondary" and copy it to "cmd".
@ -5011,7 +5018,7 @@ tu_CmdExecuteCommands(VkCommandBuffer commandBuffer,
cmd->state.suspend_resume = SR_AFTER_PRE_CHAIN;
break;
case SR_IN_CHAIN:
case SR_IN_CHAIN_AFTER_PRE_CHAIN:
case SR_IN_CHAIN_AFTER_PRE_CHAIN: {
/* The renderpass ends in the secondary and starts somewhere
* earlier in this primary. Since the last render pass in
* the chain is in the secondary, we are technically outside
@ -5021,12 +5028,16 @@ tu_CmdExecuteCommands(VkCommandBuffer commandBuffer,
*/
tu_restore_suspended_pass(cmd, cmd);
TU_CALLX(cmd->device, tu_cmd_render)(cmd, NULL);
const struct VkOffset2D *fdm_offsets =
cmd->pre_chain.fdm_offset ?
cmd->pre_chain.fdm_offsets : NULL;
TU_CALLX(cmd->device, tu_cmd_render)(cmd, fdm_offsets);
if (cmd->state.suspend_resume == SR_IN_CHAIN)
cmd->state.suspend_resume = SR_NONE;
else
cmd->state.suspend_resume = SR_AFTER_PRE_CHAIN;
break;
}
case SR_AFTER_PRE_CHAIN:
unreachable("resuming render pass is not preceded by suspending one");
}
@ -7695,9 +7706,9 @@ tu_CmdEndRenderPass2(VkCommandBuffer commandBuffer,
return;
}
const VkSubpassFragmentDensityMapOffsetEndInfoQCOM *fdm_offset_info =
const VkRenderPassFragmentDensityMapOffsetEndInfoEXT *fdm_offset_info =
vk_find_struct_const(pSubpassEndInfo->pNext,
SUBPASS_FRAGMENT_DENSITY_MAP_OFFSET_END_INFO_QCOM);
RENDER_PASS_FRAGMENT_DENSITY_MAP_OFFSET_END_INFO_EXT);
const VkOffset2D *fdm_offsets =
(fdm_offset_info && fdm_offset_info->fragmentDensityOffsetCount > 0) ?
fdm_offset_info->pFragmentDensityOffsets : NULL;
@ -7725,7 +7736,8 @@ tu_CmdEndRenderPass2(VkCommandBuffer commandBuffer,
}
VKAPI_ATTR void VKAPI_CALL
tu_CmdEndRendering(VkCommandBuffer commandBuffer)
tu_CmdEndRendering2EXT(VkCommandBuffer commandBuffer,
const VkRenderingEndInfoEXT *pRenderingEndInfo)
{
VK_FROM_HANDLE(tu_cmd_buffer, cmd_buffer, commandBuffer);
@ -7738,6 +7750,22 @@ tu_CmdEndRendering(VkCommandBuffer commandBuffer)
(cmd_buffer, &cmd_buffer->draw_cs);
}
const VkRenderPassFragmentDensityMapOffsetEndInfoEXT *fdm_offset_info =
vk_find_struct_const(pRenderingEndInfo->pNext,
RENDER_PASS_FRAGMENT_DENSITY_MAP_OFFSET_END_INFO_EXT);
const VkOffset2D *fdm_offsets =
(fdm_offset_info && fdm_offset_info->fragmentDensityOffsetCount > 0) ?
fdm_offset_info->pFragmentDensityOffsets : NULL;
VkOffset2D test_offsets[MAX_VIEWS];
if (TU_DEBUG(FDM) && TU_DEBUG(FDM_OFFSET)) {
for (unsigned i = 0;
i < MAX2(cmd_buffer->state.pass->num_views, 1); i++) {
test_offsets[i] = { 64, 64 };
}
fdm_offsets = test_offsets;
}
if (!cmd_buffer->state.suspending) {
tu_cs_end(&cmd_buffer->draw_cs);
tu_cs_end(&cmd_buffer->draw_epilogue_cs);
@ -7745,21 +7773,18 @@ tu_CmdEndRendering(VkCommandBuffer commandBuffer)
if (cmd_buffer->state.suspend_resume == SR_IN_PRE_CHAIN) {
cmd_buffer->trace_renderpass_end = u_trace_end_iterator(&cmd_buffer->trace);
tu_save_pre_chain(cmd_buffer);
cmd_buffer->pre_chain.fdm_offset = !!fdm_offsets;
if (fdm_offsets) {
memcpy(cmd_buffer->pre_chain.fdm_offsets,
fdm_offsets, sizeof(VkOffset2D) *
MAX2(cmd_buffer->state.pass->num_views, 1));
}
/* Even we don't call tu_cmd_render here, renderpass is finished
* and draw states should be disabled.
*/
tu_disable_draw_states(cmd_buffer, &cmd_buffer->cs);
} else {
VkOffset2D test_offsets[MAX_VIEWS];
const VkOffset2D *fdm_offsets = NULL;
if (TU_DEBUG(FDM) && TU_DEBUG(FDM_OFFSET)) {
for (unsigned i = 0;
i < MAX2(cmd_buffer->state.pass->num_views, 1); i++) {
test_offsets[i] = { 64, 64 };
}
fdm_offsets = test_offsets;
}
TU_CALLX(cmd_buffer->device, tu_cmd_render)(cmd_buffer, fdm_offsets);
}

3
src/freedreno/vulkan/tu_cmd_buffer.h
View file

@ -618,6 +618,9 @@ struct tu_cmd_buffer
struct tu_cs draw_cs;
struct tu_cs draw_epilogue_cs;
bool fdm_offset;
VkOffset2D fdm_offsets[MAX_VIEWS];
struct u_trace_iterator trace_renderpass_start, trace_renderpass_end;
struct tu_render_pass_state state;

3
src/freedreno/vulkan/tu_device.cc
View file

@ -275,6 +275,7 @@ get_device_extensions(const struct tu_physical_device *device,
.EXT_external_memory_dma_buf = true,
.EXT_filter_cubic = device->info->a6xx.has_tex_filter_cubic,
.EXT_fragment_density_map = true,
.EXT_fragment_density_map_offset = true,
.EXT_global_priority = true,
.EXT_global_priority_query = true,
.EXT_graphics_pipeline_library = true,
@ -755,7 +756,7 @@ tu_get_features(struct tu_physical_device *pdevice,
features->shaderSubgroupRotate = true;
features->shaderSubgroupRotateClustered = true;
/* VK_QCOM_fragment_density_map_offset */
/* VK_EXT_fragment_density_map_offset */
features->fragmentDensityMapOffset = true;
}

5
src/freedreno/vulkan/tu_dynamic_rendering.cc
View file

@ -152,7 +152,10 @@ tu_insert_dynamic_cmdbufs(struct tu_device *dev,
old_cmds[i]->pre_chain.trace_renderpass_end);
}
TU_CALLX(dev, tu_cmd_render)(cmd_buffer, NULL);
const struct VkOffset2D *fdm_offsets =
cmd_buffer->pre_chain.fdm_offset ?
cmd_buffer->pre_chain.fdm_offsets : NULL;
TU_CALLX(dev, tu_cmd_render)(cmd_buffer, fdm_offsets);
tu_cs_emit_pkt7(&cmd_buffer->cs, CP_MEM_WRITE, 3);
tu_cs_emit_qw(&cmd_buffer->cs,