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Vulkan: Uber shader support

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This commit is contained in:
Stenzek
2017-07-20 15:25:35 +10:00
parent 4bf5625895
commit 81b4ed2a81
16 changed files with 738 additions and 164 deletions
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273
Source/Core/VideoBackends/Vulkan/StateTracker.cpp
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@ -22,6 +22,7 @@
#include "VideoCommon/GeometryShaderManager.h"
#include "VideoCommon/PixelShaderManager.h"
#include "VideoCommon/Statistics.h"
#include "VideoCommon/VertexLoaderManager.h"
#include "VideoCommon/VertexShaderManager.h"
#include "VideoCommon/VideoConfig.h"
@ -77,12 +78,13 @@ bool StateTracker::Initialize()
m_pipeline_state.pipeline_layout = g_object_cache->GetPipelineLayout(PIPELINE_LAYOUT_STANDARD);
m_num_active_descriptor_sets = NUM_GX_DRAW_DESCRIPTOR_SETS;
m_bbox_enabled = false;
ClearShaders();
// Initialize all samplers to point by default
for (size_t i = 0; i < NUM_PIXEL_SHADER_SAMPLERS; i++)
{
m_bindings.ps_samplers[i].imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
m_bindings.ps_samplers[i].imageView = VK_NULL_HANDLE;
m_bindings.ps_samplers[i].imageView = g_object_cache->GetDummyImageView();
m_bindings.ps_samplers[i].sampler = g_object_cache->GetPointSampler();
}
@ -178,7 +180,8 @@ bool StateTracker::PrecachePipelineUID(const SerializedPipelineUID& uid)
// Need to create the vertex declaration first, rather than deferring to when a game creates a
// vertex loader that uses this format, since we need it to create a pipeline.
pinfo.vertex_format = VertexFormat::GetOrCreateMatchingFormat(uid.vertex_decl);
pinfo.vertex_format =
static_cast<VertexFormat*>(VertexLoaderManager::GetOrCreateMatchingFormat(uid.vertex_decl));
pinfo.pipeline_layout = uid.ps_uid.GetUidData()->bounding_box ?
g_object_cache->GetPipelineLayout(PIPELINE_LAYOUT_BBOX) :
g_object_cache->GetPipelineLayout(PIPELINE_LAYOUT_STANDARD);
@ -267,11 +270,11 @@ void StateTracker::SetFramebuffer(VkFramebuffer framebuffer, const VkRect2D& ren
void StateTracker::SetVertexFormat(const VertexFormat* vertex_format)
{
if (m_pipeline_state.vertex_format == vertex_format)
if (m_vertex_format == vertex_format)
return;
m_pipeline_state.vertex_format = vertex_format;
m_dirty_flags |= DIRTY_FLAG_PIPELINE;
m_vertex_format = vertex_format;
UpdatePipelineVertexFormat();
}
void StateTracker::SetPrimitiveTopology(VkPrimitiveTopology primitive_topology)
@ -323,14 +326,94 @@ bool StateTracker::CheckForShaderChanges(u32 gx_primitive_type)
{
VertexShaderUid vs_uid = GetVertexShaderUid();
PixelShaderUid ps_uid = GetPixelShaderUid();
bool changed = false;
if (vs_uid != m_vs_uid)
bool use_ubershaders = g_ActiveConfig.bDisableSpecializedShaders;
if (g_ActiveConfig.CanBackgroundCompileShaders() && !g_ActiveConfig.bDisableSpecializedShaders)
{
m_pipeline_state.vs = g_shader_cache->GetVertexShaderForUid(vs_uid);
m_vs_uid = vs_uid;
changed = true;
// Look up both VS and PS, and check if we can compile it asynchronously.
auto vs = g_shader_cache->GetVertexShaderForUidAsync(vs_uid);
auto ps = g_shader_cache->GetPixelShaderForUidAsync(ps_uid);
if (vs.second || ps.second)
{
// One of the shaders is still pending. Use the ubershader for both.
use_ubershaders = true;
}
else
{
// Use the standard shaders for both.
if (m_pipeline_state.vs != vs.first)
{
m_pipeline_state.vs = vs.first;
m_vs_uid = vs_uid;
changed = true;
}
if (m_pipeline_state.ps != ps.first)
{
m_pipeline_state.ps = ps.first;
m_ps_uid = ps_uid;
changed = true;
}
}
}
else
{
// Normal shader path. No ubershaders.
if (vs_uid != m_vs_uid)
{
m_vs_uid = vs_uid;
m_pipeline_state.vs = g_shader_cache->GetVertexShaderForUid(vs_uid);
changed = true;
}
if (ps_uid != m_ps_uid)
{
m_ps_uid = ps_uid;
m_pipeline_state.ps = g_shader_cache->GetPixelShaderForUid(ps_uid);
changed = true;
}
}
// Ubershader fallback?
bool uber_vertex_shader = use_ubershaders || g_ActiveConfig.bForceVertexUberShaders;
bool uber_pixel_shader = use_ubershaders || g_ActiveConfig.bForcePixelUberShaders;
bool using_ubershaders = uber_vertex_shader || uber_pixel_shader;
if (!g_ActiveConfig.CanUseUberShaders())
{
// Per-pixel lighting disables ubershaders.
uber_vertex_shader = false;
uber_pixel_shader = false;
using_ubershaders = false;
}
// Switching to/from ubershaders? Have to adjust the vertex format and pipeline layout.
if (using_ubershaders != m_using_ubershaders)
{
m_using_ubershaders = using_ubershaders;
UpdatePipelineLayout();
UpdatePipelineVertexFormat();
}
if (uber_vertex_shader)
{
UberShader::VertexShaderUid uber_vs_uid = UberShader::GetVertexShaderUid();
VkShaderModule vs = g_shader_cache->GetVertexUberShaderForUid(uber_vs_uid);
if (vs != m_pipeline_state.vs)
{
m_uber_vs_uid = uber_vs_uid;
m_pipeline_state.vs = vs;
changed = true;
}
}
if (uber_pixel_shader)
{
UberShader::PixelShaderUid uber_ps_uid = UberShader::GetPixelShaderUid();
VkShaderModule ps = g_shader_cache->GetPixelUberShaderForUid(uber_ps_uid);
if (ps != m_pipeline_state.ps)
{
m_uber_ps_uid = uber_ps_uid;
m_pipeline_state.ps = ps;
changed = true;
}
}
if (g_vulkan_context->SupportsGeometryShaders())
@ -338,29 +421,39 @@ bool StateTracker::CheckForShaderChanges(u32 gx_primitive_type)
GeometryShaderUid gs_uid = GetGeometryShaderUid(gx_primitive_type);
if (gs_uid != m_gs_uid)
{
m_gs_uid = gs_uid;
if (gs_uid.GetUidData()->IsPassthrough())
m_pipeline_state.gs = VK_NULL_HANDLE;
else
m_pipeline_state.gs = g_shader_cache->GetGeometryShaderForUid(gs_uid);
m_gs_uid = gs_uid;
changed = true;
}
}
if (ps_uid != m_ps_uid)
{
m_pipeline_state.ps = g_shader_cache->GetPixelShaderForUid(ps_uid);
m_ps_uid = ps_uid;
changed = true;
}
if (changed)
m_dirty_flags |= DIRTY_FLAG_PIPELINE;
return changed;
}
void StateTracker::ClearShaders()
{
// Set the UIDs to something that will never match, so on the first access they are checked.
std::memset(&m_vs_uid, 0xFF, sizeof(m_vs_uid));
std::memset(&m_gs_uid, 0xFF, sizeof(m_gs_uid));
std::memset(&m_ps_uid, 0xFF, sizeof(m_ps_uid));
std::memset(&m_uber_vs_uid, 0xFF, sizeof(m_uber_vs_uid));
std::memset(&m_uber_ps_uid, 0xFF, sizeof(m_uber_ps_uid));
m_pipeline_state.vs = VK_NULL_HANDLE;
m_pipeline_state.gs = VK_NULL_HANDLE;
m_pipeline_state.ps = VK_NULL_HANDLE;
m_pipeline_state.vertex_format = nullptr;
m_dirty_flags |= DIRTY_FLAG_PIPELINE;
}
void StateTracker::UpdateVertexShaderConstants()
{
if (!VertexShaderManager::dirty || !ReserveConstantStorage())
@ -557,24 +650,8 @@ void StateTracker::SetBBoxEnable(bool enable)
if (m_bbox_enabled == enable)
return;
// Change the number of active descriptor sets, as well as the pipeline layout
if (enable)
{
m_pipeline_state.pipeline_layout = g_object_cache->GetPipelineLayout(PIPELINE_LAYOUT_BBOX);
m_num_active_descriptor_sets = NUM_GX_DRAW_WITH_BBOX_DESCRIPTOR_SETS;
// The bbox buffer never changes, so we defer descriptor updates until it is enabled.
if (m_descriptor_sets[DESCRIPTOR_SET_BIND_POINT_STORAGE_OR_TEXEL_BUFFER] == VK_NULL_HANDLE)
m_dirty_flags |= DIRTY_FLAG_PS_SSBO;
}
else
{
m_pipeline_state.pipeline_layout = g_object_cache->GetPipelineLayout(PIPELINE_LAYOUT_STANDARD);
m_num_active_descriptor_sets = NUM_GX_DRAW_DESCRIPTOR_SETS;
}
m_dirty_flags |= DIRTY_FLAG_PIPELINE | DIRTY_FLAG_DESCRIPTOR_SET_BINDING;
m_bbox_enabled = enable;
UpdatePipelineLayout();
}
void StateTracker::SetBBoxBuffer(VkBuffer buffer, VkDeviceSize offset, VkDeviceSize range)
@ -590,7 +667,7 @@ void StateTracker::SetBBoxBuffer(VkBuffer buffer, VkDeviceSize offset, VkDeviceS
m_bindings.ps_ssbo.range = range;
// Defer descriptor update until bbox is actually enabled.
if (m_bbox_enabled)
if (IsSSBODescriptorRequired())
m_dirty_flags |= DIRTY_FLAG_PS_SSBO;
}
@ -599,7 +676,7 @@ void StateTracker::UnbindTexture(VkImageView view)
for (VkDescriptorImageInfo& it : m_bindings.ps_samplers)
{
if (it.imageView == view)
it.imageView = VK_NULL_HANDLE;
it.imageView = g_object_cache->GetDummyImageView();
}
}
@ -609,7 +686,7 @@ void StateTracker::InvalidateDescriptorSets()
m_dirty_flags |= DIRTY_FLAG_ALL_DESCRIPTOR_SETS;
// Defer SSBO descriptor update until bbox is actually enabled.
if (!m_bbox_enabled)
if (!IsSSBODescriptorRequired())
m_dirty_flags &= ~DIRTY_FLAG_PS_SSBO;
}
@ -886,15 +963,49 @@ void StateTracker::EndClearRenderPass()
EndRenderPass();
}
VkPipeline StateTracker::GetPipelineAndCacheUID(const PipelineInfo& info)
VkPipeline StateTracker::GetPipelineAndCacheUID()
{
auto result = g_shader_cache->GetPipelineWithCacheResult(info);
// We can't cache ubershader uids, only normal shader uids.
if (g_ActiveConfig.CanBackgroundCompileShaders() && !m_using_ubershaders)
{
// Append to UID cache if it is a new pipeline.
auto result = g_shader_cache->GetPipelineWithCacheResultAsync(m_pipeline_state);
if (!result.second && g_ActiveConfig.bShaderCache)
AppendToPipelineUIDCache(m_pipeline_state);
// Add to the UID cache if it is a new pipeline.
if (!result.second && g_ActiveConfig.bShaderCache)
AppendToPipelineUIDCache(info);
// Still waiting for the pipeline to compile?
if (!result.first.second)
return result.first.first;
return result.first;
// Use ubershader instead.
m_using_ubershaders = true;
UpdatePipelineLayout();
UpdatePipelineVertexFormat();
PipelineInfo uber_info = m_pipeline_state;
UberShader::VertexShaderUid uber_vuid = UberShader::GetVertexShaderUid();
UberShader::PixelShaderUid uber_puid = UberShader::GetPixelShaderUid();
uber_info.vs = g_shader_cache->GetVertexUberShaderForUid(uber_vuid);
uber_info.ps = g_shader_cache->GetPixelUberShaderForUid(uber_puid);
auto uber_result = g_shader_cache->GetPipelineWithCacheResult(uber_info);
return uber_result.first;
}
else
{
// Add to the UID cache if it is a new pipeline.
auto result = g_shader_cache->GetPipelineWithCacheResult(m_pipeline_state);
if (!result.second && !m_using_ubershaders && g_ActiveConfig.bShaderCache)
AppendToPipelineUIDCache(m_pipeline_state);
return result.first;
}
}
bool StateTracker::IsSSBODescriptorRequired() const
{
return m_bbox_enabled || (m_using_ubershaders && g_ActiveConfig.bBBoxEnable &&
g_ActiveConfig.BBoxUseFragmentShaderImplementation());
}
bool StateTracker::UpdatePipeline()
@ -904,16 +1015,56 @@ bool StateTracker::UpdatePipeline()
return false;
// Grab a new pipeline object, this can fail.
m_pipeline_object = GetPipelineAndCacheUID(m_pipeline_state);
m_pipeline_object = GetPipelineAndCacheUID();
m_dirty_flags |= DIRTY_FLAG_PIPELINE_BINDING;
return m_pipeline_object != VK_NULL_HANDLE;
}
void StateTracker::UpdatePipelineLayout()
{
const bool use_bbox_pipeline_layout = IsSSBODescriptorRequired();
VkPipelineLayout pipeline_layout =
use_bbox_pipeline_layout ? g_object_cache->GetPipelineLayout(PIPELINE_LAYOUT_BBOX) :
g_object_cache->GetPipelineLayout(PIPELINE_LAYOUT_STANDARD);
if (m_pipeline_state.pipeline_layout == pipeline_layout)
return;
// Change the number of active descriptor sets, as well as the pipeline layout
m_pipeline_state.pipeline_layout = pipeline_layout;
if (use_bbox_pipeline_layout)
{
m_num_active_descriptor_sets = NUM_GX_DRAW_WITH_BBOX_DESCRIPTOR_SETS;
// The bbox buffer never changes, so we defer descriptor updates until it is enabled.
if (m_descriptor_sets[DESCRIPTOR_SET_BIND_POINT_STORAGE_OR_TEXEL_BUFFER] == VK_NULL_HANDLE)
m_dirty_flags |= DIRTY_FLAG_PS_SSBO;
}
else
{
m_num_active_descriptor_sets = NUM_GX_DRAW_DESCRIPTOR_SETS;
}
m_dirty_flags |= DIRTY_FLAG_PIPELINE | DIRTY_FLAG_DESCRIPTOR_SET_BINDING;
}
void StateTracker::UpdatePipelineVertexFormat()
{
const NativeVertexFormat* vertex_format =
m_using_ubershaders ?
VertexLoaderManager::GetUberVertexFormat(m_vertex_format->GetVertexDeclaration()) :
m_vertex_format;
if (m_pipeline_state.vertex_format == vertex_format)
return;
m_pipeline_state.vertex_format = static_cast<const VertexFormat*>(vertex_format);
m_dirty_flags |= DIRTY_FLAG_PIPELINE;
}
bool StateTracker::UpdateDescriptorSet()
{
const size_t MAX_DESCRIPTOR_WRITES = NUM_UBO_DESCRIPTOR_SET_BINDINGS + // UBO
NUM_PIXEL_SHADER_SAMPLERS + // Samplers
1 + // Samplers
1; // SSBO
std::array<VkWriteDescriptorSet, MAX_DESCRIPTOR_WRITES> writes;
u32 num_writes = 0;
@ -954,30 +1105,22 @@ bool StateTracker::UpdateDescriptorSet()
if (set == VK_NULL_HANDLE)
return false;
for (size_t i = 0; i < NUM_PIXEL_SHADER_SAMPLERS; i++)
{
const VkDescriptorImageInfo& info = m_bindings.ps_samplers[i];
if (info.imageView != VK_NULL_HANDLE && info.sampler != VK_NULL_HANDLE)
{
writes[num_writes++] = {VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,
nullptr,
set,
static_cast<uint32_t>(i),
0,
1,
VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
&info,
nullptr,
nullptr};
}
}
writes[num_writes++] = {VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,
nullptr,
set,
0,
0,
static_cast<u32>(NUM_PIXEL_SHADER_SAMPLERS),
VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
m_bindings.ps_samplers.data(),
nullptr,
nullptr};
m_descriptor_sets[DESCRIPTOR_SET_BIND_POINT_PIXEL_SHADER_SAMPLERS] = set;
m_dirty_flags |= DIRTY_FLAG_DESCRIPTOR_SET_BINDING;
}
if (m_bbox_enabled &&
(m_dirty_flags & DIRTY_FLAG_PS_SSBO ||
if ((m_dirty_flags & DIRTY_FLAG_PS_SSBO ||
m_descriptor_sets[DESCRIPTOR_SET_BIND_POINT_STORAGE_OR_TEXEL_BUFFER] == VK_NULL_HANDLE))
{
VkDescriptorSetLayout layout =