[Mesa-dev] [PATCH] radv: move save/restore operations close to the slow clears
Samuel Pitoiset
samuel.pitoiset at gmail.com
Mon Apr 9 21:10:50 UTC 2018
This removes the emission of unnecessary states, for example
when performing a fast depth stencil clear (ie. clearing htile),
we don't need to save/restore the graphics pipeline.
For GFX9 chips that have the scissor bug workaround, that
should also reduce the number of partial flushes.
Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
---
src/amd/vulkan/radv_meta_bufimage.c | 8 +++++
src/amd/vulkan/radv_meta_clear.c | 47 +++++++++--------------------
2 files changed, 22 insertions(+), 33 deletions(-)
diff --git a/src/amd/vulkan/radv_meta_bufimage.c b/src/amd/vulkan/radv_meta_bufimage.c
index 69e15d3213..5018ce1f2e 100644
--- a/src/amd/vulkan/radv_meta_bufimage.c
+++ b/src/amd/vulkan/radv_meta_bufimage.c
@@ -1242,8 +1242,14 @@ radv_meta_clear_image_cs(struct radv_cmd_buffer *cmd_buffer,
{
VkPipeline pipeline = cmd_buffer->device->meta_state.cleari.pipeline;
struct radv_device *device = cmd_buffer->device;
+ struct radv_meta_saved_state saved_state;
struct radv_image_view dst_iview;
+ radv_meta_save(&saved_state, cmd_buffer,
+ RADV_META_SAVE_COMPUTE_PIPELINE |
+ RADV_META_SAVE_CONSTANTS |
+ RADV_META_SAVE_DESCRIPTORS);
+
create_iview(cmd_buffer, dst, &dst_iview);
cleari_bind_descriptors(cmd_buffer, &dst_iview);
@@ -1268,4 +1274,6 @@ radv_meta_clear_image_cs(struct radv_cmd_buffer *cmd_buffer,
push_constants);
radv_unaligned_dispatch(cmd_buffer, dst->image->info.width, dst->image->info.height, 1);
+
+ radv_meta_restore(&saved_state, cmd_buffer);
}
diff --git a/src/amd/vulkan/radv_meta_clear.c b/src/amd/vulkan/radv_meta_clear.c
index 016c1ee296..833e3cebab 100644
--- a/src/amd/vulkan/radv_meta_clear.c
+++ b/src/amd/vulkan/radv_meta_clear.c
@@ -342,6 +342,7 @@ emit_color_clear(struct radv_cmd_buffer *cmd_buffer,
unsigned fs_key = radv_format_meta_fs_key(iview->vk_format);
VkClearColorValue clear_value = clear_att->clearValue.color;
VkCommandBuffer cmd_buffer_h = radv_cmd_buffer_to_handle(cmd_buffer);
+ struct radv_meta_saved_state saved_state;
VkPipeline pipeline;
if (fs_key == -1) {
@@ -359,6 +360,10 @@ emit_color_clear(struct radv_cmd_buffer *cmd_buffer,
assert(clear_att->aspectMask == VK_IMAGE_ASPECT_COLOR_BIT);
assert(clear_att->colorAttachment < subpass->color_count);
+ radv_meta_save(&saved_state, cmd_buffer,
+ RADV_META_SAVE_GRAPHICS_PIPELINE |
+ RADV_META_SAVE_CONSTANTS);
+
radv_CmdPushConstants(radv_cmd_buffer_to_handle(cmd_buffer),
device->meta_state.clear_color_p_layout,
VK_SHADER_STAGE_FRAGMENT_BIT, 0, 16,
@@ -397,6 +402,8 @@ emit_color_clear(struct radv_cmd_buffer *cmd_buffer,
}
radv_cmd_buffer_set_subpass(cmd_buffer, subpass, false);
+
+ radv_meta_restore(&saved_state, cmd_buffer);
}
@@ -613,12 +620,17 @@ emit_depthstencil_clear(struct radv_cmd_buffer *cmd_buffer,
const uint32_t samples = iview->image->info.samples;
const uint32_t samples_log2 = ffs(samples) - 1;
VkCommandBuffer cmd_buffer_h = radv_cmd_buffer_to_handle(cmd_buffer);
+ struct radv_meta_saved_state saved_state;
assert(pass_att != VK_ATTACHMENT_UNUSED);
if (!(aspects & VK_IMAGE_ASPECT_DEPTH_BIT))
clear_value.depth = 1.0f;
+ radv_meta_save(&saved_state, cmd_buffer,
+ RADV_META_SAVE_GRAPHICS_PIPELINE |
+ RADV_META_SAVE_CONSTANTS);
+
radv_CmdPushConstants(radv_cmd_buffer_to_handle(cmd_buffer),
device->meta_state.clear_depth_p_layout,
VK_SHADER_STAGE_VERTEX_BIT, 0, 4,
@@ -664,6 +676,8 @@ emit_depthstencil_clear(struct radv_cmd_buffer *cmd_buffer,
radv_CmdSetStencilReference(cmd_buffer_h, VK_STENCIL_FACE_FRONT_BIT,
prev_reference);
}
+
+ radv_meta_restore(&saved_state, cmd_buffer);
}
static bool
@@ -1165,17 +1179,12 @@ void
radv_cmd_buffer_clear_subpass(struct radv_cmd_buffer *cmd_buffer)
{
struct radv_cmd_state *cmd_state = &cmd_buffer->state;
- struct radv_meta_saved_state saved_state;
enum radv_cmd_flush_bits pre_flush = 0;
enum radv_cmd_flush_bits post_flush = 0;
if (!radv_subpass_needs_clear(cmd_buffer))
return;
- radv_meta_save(&saved_state, cmd_buffer,
- RADV_META_SAVE_GRAPHICS_PIPELINE |
- RADV_META_SAVE_CONSTANTS);
-
for (uint32_t i = 0; i < cmd_state->subpass->color_count; ++i) {
uint32_t a = cmd_state->subpass->color_attachments[i].attachment;
@@ -1210,7 +1219,6 @@ radv_cmd_buffer_clear_subpass(struct radv_cmd_buffer *cmd_buffer)
&post_flush);
}
- radv_meta_restore(&saved_state, cmd_buffer);
cmd_buffer->state.flush_bits |= post_flush;
}
@@ -1405,25 +1413,11 @@ void radv_CmdClearColorImage(
{
RADV_FROM_HANDLE(radv_cmd_buffer, cmd_buffer, commandBuffer);
RADV_FROM_HANDLE(radv_image, image, image_h);
- struct radv_meta_saved_state saved_state;
bool cs = cmd_buffer->queue_family_index == RADV_QUEUE_COMPUTE;
- if (cs) {
- radv_meta_save(&saved_state, cmd_buffer,
- RADV_META_SAVE_COMPUTE_PIPELINE |
- RADV_META_SAVE_CONSTANTS |
- RADV_META_SAVE_DESCRIPTORS);
- } else {
- radv_meta_save(&saved_state, cmd_buffer,
- RADV_META_SAVE_GRAPHICS_PIPELINE |
- RADV_META_SAVE_CONSTANTS);
- }
-
radv_cmd_clear_image(cmd_buffer, image, imageLayout,
(const VkClearValue *) pColor,
rangeCount, pRanges, cs);
-
- radv_meta_restore(&saved_state, cmd_buffer);
}
void radv_CmdClearDepthStencilImage(
@@ -1436,17 +1430,10 @@ void radv_CmdClearDepthStencilImage(
{
RADV_FROM_HANDLE(radv_cmd_buffer, cmd_buffer, commandBuffer);
RADV_FROM_HANDLE(radv_image, image, image_h);
- struct radv_meta_saved_state saved_state;
-
- radv_meta_save(&saved_state, cmd_buffer,
- RADV_META_SAVE_GRAPHICS_PIPELINE |
- RADV_META_SAVE_CONSTANTS);
radv_cmd_clear_image(cmd_buffer, image, imageLayout,
(const VkClearValue *) pDepthStencil,
rangeCount, pRanges, false);
-
- radv_meta_restore(&saved_state, cmd_buffer);
}
void radv_CmdClearAttachments(
@@ -1457,17 +1444,12 @@ void radv_CmdClearAttachments(
const VkClearRect* pRects)
{
RADV_FROM_HANDLE(radv_cmd_buffer, cmd_buffer, commandBuffer);
- struct radv_meta_saved_state saved_state;
enum radv_cmd_flush_bits pre_flush = 0;
enum radv_cmd_flush_bits post_flush = 0;
if (!cmd_buffer->state.subpass)
return;
- radv_meta_save(&saved_state, cmd_buffer,
- RADV_META_SAVE_GRAPHICS_PIPELINE |
- RADV_META_SAVE_CONSTANTS);
-
/* FINISHME: We can do better than this dumb loop. It thrashes too much
* state.
*/
@@ -1478,6 +1460,5 @@ void radv_CmdClearAttachments(
}
}
- radv_meta_restore(&saved_state, cmd_buffer);
cmd_buffer->state.flush_bits |= post_flush;
}
--
2.17.0
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