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radv: Determine unneeded dynamic states.

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Which avoids setting or emitting them.

Reviewed-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
This commit is contained in:
Bas Nieuwenhuizen
2018-01-16 14:32:35 +01:00
parent 0a89784bcc
commit 7c366bc152
3 changed files with 64 additions and 38 deletions
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61
src/amd/vulkan/radv_pipeline.c
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@@ -1031,15 +1031,48 @@ static unsigned radv_dynamic_state_mask(VkDynamicState state)
}
}
static uint32_t radv_pipeline_needed_dynamic_state(const VkGraphicsPipelineCreateInfo *pCreateInfo)
{
uint32_t states = RADV_DYNAMIC_ALL;
/* If rasterization is disabled we do not care about any of the dynamic states,
* since they are all rasterization related only. */
if (pCreateInfo->pRasterizationState->rasterizerDiscardEnable)
return 0;
if (!pCreateInfo->pRasterizationState->depthBiasEnable)
states &= ~RADV_DYNAMIC_DEPTH_BIAS;
if (!pCreateInfo->pDepthStencilState ||
!pCreateInfo->pDepthStencilState->depthBoundsTestEnable)
states &= ~RADV_DYNAMIC_DEPTH_BOUNDS;
if (!pCreateInfo->pDepthStencilState ||
!pCreateInfo->pDepthStencilState->stencilTestEnable)
states &= ~(RADV_DYNAMIC_STENCIL_COMPARE_MASK |
RADV_DYNAMIC_STENCIL_WRITE_MASK |
RADV_DYNAMIC_STENCIL_REFERENCE);
if (!vk_find_struct_const(pCreateInfo->pNext, PIPELINE_DISCARD_RECTANGLE_STATE_CREATE_INFO_EXT))
states &= ~RADV_DYNAMIC_DISCARD_RECTANGLE;
/* TODO: blend constants & line width. */
return states;
}
static void
radv_pipeline_init_dynamic_state(struct radv_pipeline *pipeline,
const VkGraphicsPipelineCreateInfo *pCreateInfo)
{
uint32_t states = RADV_DYNAMIC_ALL;
uint32_t needed_states = radv_pipeline_needed_dynamic_state(pCreateInfo);
uint32_t states = needed_states;
RADV_FROM_HANDLE(radv_render_pass, pass, pCreateInfo->renderPass);
struct radv_subpass *subpass = &pass->subpasses[pCreateInfo->subpass];
pipeline->dynamic_state = default_dynamic_state;
pipeline->graphics.needed_dynamic_state = needed_states;
if (pCreateInfo->pDynamicState) {
/* Remove all of the states that are marked as dynamic */
@@ -1050,26 +1083,23 @@ radv_pipeline_init_dynamic_state(struct radv_pipeline *pipeline,
struct radv_dynamic_state *dynamic = &pipeline->dynamic_state;
/* Section 9.2 of the Vulkan 1.0.15 spec says:
*
* pViewportState is [...] NULL if the pipeline
* has rasterization disabled.
*/
if (!pCreateInfo->pRasterizationState->rasterizerDiscardEnable) {
if (needed_states & RADV_DYNAMIC_VIEWPORT) {
assert(pCreateInfo->pViewportState);
dynamic->viewport.count = pCreateInfo->pViewportState->viewportCount;
if (states & RADV_DYNAMIC_VIEWPORT) {
typed_memcpy(dynamic->viewport.viewports,
pCreateInfo->pViewportState->pViewports,
pCreateInfo->pViewportState->viewportCount);
pCreateInfo->pViewportState->pViewports,
pCreateInfo->pViewportState->viewportCount);
}
}
if (needed_states & RADV_DYNAMIC_SCISSOR) {
dynamic->scissor.count = pCreateInfo->pViewportState->scissorCount;
if (states & RADV_DYNAMIC_SCISSOR) {
typed_memcpy(dynamic->scissor.scissors,
pCreateInfo->pViewportState->pScissors,
pCreateInfo->pViewportState->scissorCount);
pCreateInfo->pViewportState->pScissors,
pCreateInfo->pViewportState->scissorCount);
}
}
@@ -1120,7 +1150,7 @@ radv_pipeline_init_dynamic_state(struct radv_pipeline *pipeline,
* disabled or if the subpass of the render pass the pipeline is created
* against does not use a depth/stencil attachment.
*/
if (!pCreateInfo->pRasterizationState->rasterizerDiscardEnable &&
if (needed_states &&
subpass->depth_stencil_attachment.attachment != VK_ATTACHMENT_UNUSED) {
assert(pCreateInfo->pDepthStencilState);
@@ -1155,7 +1185,7 @@ radv_pipeline_init_dynamic_state(struct radv_pipeline *pipeline,
const VkPipelineDiscardRectangleStateCreateInfoEXT *discard_rectangle_info =
vk_find_struct_const(pCreateInfo->pNext, PIPELINE_DISCARD_RECTANGLE_STATE_CREATE_INFO_EXT);
if (discard_rectangle_info) {
if (states & RADV_DYNAMIC_DISCARD_RECTANGLE) {
dynamic->discard_rectangle.count = discard_rectangle_info->discardRectangleCount;
typed_memcpy(dynamic->discard_rectangle.rectangles,
discard_rectangle_info->pDiscardRectangles,
@@ -1181,8 +1211,6 @@ radv_pipeline_init_dynamic_state(struct radv_pipeline *pipeline,
}
pipeline->graphics.pa_sc_cliprect_rule = mask;
} else {
states &= ~RADV_DYNAMIC_DISCARD_RECTANGLE;
/* Allow from all rectangle combinations */
pipeline->graphics.pa_sc_cliprect_rule = 0xffff;
}
@@ -2441,7 +2469,6 @@ radv_pipeline_init(struct radv_pipeline *pipeline,
pipeline->layout = radv_pipeline_layout_from_handle(pCreateInfo->layout);
assert(pipeline->layout);
radv_pipeline_init_dynamic_state(pipeline, pCreateInfo);
radv_pipeline_init_blend_state(pipeline, pCreateInfo, extra);
const VkPipelineShaderStageCreateInfo *pStages[MESA_SHADER_STAGES] = { 0, };
@@ -2476,6 +2503,8 @@ radv_pipeline_init(struct radv_pipeline *pipeline,
/* prim vertex count will need TESS changes */
pipeline->graphics.prim_vertex_count = prim_size_table[pipeline->graphics.prim];
radv_pipeline_init_dynamic_state(pipeline, pCreateInfo);
/* Ensure that some export memory is always allocated, for two reasons:
*
* 1) Correctness: The hardware ignores the EXEC mask if no export