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authorFernando Sahmkow <fsahmkow27@gmail.com>2020-01-08 16:46:36 +0100
committerFernandoS27 <fsahmkow27@gmail.com>2020-01-24 21:43:30 +0100
commit64496f24569ecc23ebbb816725f27142867b1468 (patch)
treee7dd660d9bdf3afc7a90a35314c18b29792e119a
parentShader_IR: Allow constant access of guest driver. (diff)
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-rw-r--r--src/video_core/guest_driver.cpp9
-rw-r--r--src/video_core/guest_driver.h11
-rw-r--r--src/video_core/rasterizer_interface.h2
-rw-r--r--src/video_core/shader/const_buffer_locker.h2
-rw-r--r--src/video_core/shader/decode.cpp48
5 files changed, 37 insertions, 35 deletions
diff --git a/src/video_core/guest_driver.cpp b/src/video_core/guest_driver.cpp
index 1ded52905..6adef459e 100644
--- a/src/video_core/guest_driver.cpp
+++ b/src/video_core/guest_driver.cpp
@@ -3,7 +3,7 @@
// Refer to the license.txt file included.
#include <algorithm>
-#include <climits>
+#include <limits>
#include "video_core/guest_driver.h"
@@ -17,10 +17,9 @@ void GuestDriverProfile::DeduceTextureHandlerSize(std::vector<u32>&& bound_offse
if (size < 2) {
return;
}
- std::sort(bound_offsets.begin(), bound_offsets.end(),
- [](const u32& a, const u32& b) { return a < b; });
- u32 min_val = UINT_MAX;
- for (std::size_t i = 1; i < size; i++) {
+ std::sort(bound_offsets.begin(), bound_offsets.end(), std::less{});
+ u32 min_val = std::numeric_limits<u32>::max();
+ for (std::size_t i = 1; i < size; ++i) {
if (bound_offsets[i] == bound_offsets[i - 1]) {
continue;
}
diff --git a/src/video_core/guest_driver.h b/src/video_core/guest_driver.h
index e08588ee9..0a9a826b6 100644
--- a/src/video_core/guest_driver.h
+++ b/src/video_core/guest_driver.h
@@ -12,10 +12,13 @@ namespace VideoCore {
/**
* The GuestDriverProfile class is used to learn about the GPU drivers behavior and collect
- * information necessary for impossible to avoid HLE methods like shader tracks.
+ * information necessary for impossible to avoid HLE methods like shader tracks as they are
+ * Entscheidungsproblems.
*/
class GuestDriverProfile {
public:
+ void DeduceTextureHandlerSize(std::vector<u32>&& bound_offsets);
+
u32 GetTextureHandlerSize() const {
return texture_handler_size;
}
@@ -24,16 +27,14 @@ public:
return texture_handler_size_deduced;
}
- void DeduceTextureHandlerSize(std::vector<u32>&& bound_offsets);
-
private:
// Minimum size of texture handler any driver can use.
static constexpr u32 min_texture_handler_size = 4;
// This goes with Vulkan and OpenGL standards but Nvidia GPUs can easily
// use 4 bytes instead. Thus, certain drivers may squish the size.
static constexpr u32 default_texture_handler_size = 8;
- u32 texture_handler_size{default_texture_handler_size};
- bool texture_handler_size_deduced{};
+ u32 texture_handler_size = default_texture_handler_size;
+ bool texture_handler_size_deduced = false;
};
} // namespace VideoCore
diff --git a/src/video_core/rasterizer_interface.h b/src/video_core/rasterizer_interface.h
index 1b0cc56f1..c586cd6fe 100644
--- a/src/video_core/rasterizer_interface.h
+++ b/src/video_core/rasterizer_interface.h
@@ -80,10 +80,12 @@ public:
virtual void LoadDiskResources(const std::atomic_bool& stop_loading = false,
const DiskResourceLoadCallback& callback = {}) {}
+ /// Grant access to the Guest Driver Profile for recording/obtaining info on the guest driver.
GuestDriverProfile& AccessGuestDriverProfile() {
return guest_driver_profile;
}
+ /// Grant access to the Guest Driver Profile for recording/obtaining info on the guest driver.
const GuestDriverProfile& AccessGuestDriverProfile() const {
return guest_driver_profile;
}
diff --git a/src/video_core/shader/const_buffer_locker.h b/src/video_core/shader/const_buffer_locker.h
index f5655ac64..fd1bb476a 100644
--- a/src/video_core/shader/const_buffer_locker.h
+++ b/src/video_core/shader/const_buffer_locker.h
@@ -83,7 +83,7 @@ public:
VideoCore::GuestDriverProfile* AccessGuestDriverProfile() const {
if (engine) {
- return &(engine->AccessGuestDriverProfile());
+ return &engine->AccessGuestDriverProfile();
}
return nullptr;
}
diff --git a/src/video_core/shader/decode.cpp b/src/video_core/shader/decode.cpp
index c702c7629..507614d59 100644
--- a/src/video_core/shader/decode.cpp
+++ b/src/video_core/shader/decode.cpp
@@ -33,6 +33,29 @@ constexpr bool IsSchedInstruction(u32 offset, u32 main_offset) {
return (absolute_offset % SchedPeriod) == 0;
}
+void DeduceTextureHandlerSize(VideoCore::GuestDriverProfile* gpu_driver,
+ std::list<Sampler>& used_samplers) {
+ if (gpu_driver == nullptr) {
+ LOG_CRITICAL(HW_GPU, "GPU Driver profile has not been created yet");
+ return;
+ }
+ if (gpu_driver->TextureHandlerSizeKnown() || used_samplers.size() <= 1) {
+ return;
+ }
+ u32 count{};
+ std::vector<u32> bound_offsets;
+ for (const auto& sampler : used_samplers) {
+ if (sampler.IsBindless()) {
+ continue;
+ }
+ ++count;
+ bound_offsets.emplace_back(sampler.GetOffset());
+ }
+ if (count > 1) {
+ gpu_driver->DeduceTextureHandlerSize(std::move(bound_offsets));
+ }
+}
+
} // Anonymous namespace
class ASTDecoder {
@@ -315,32 +338,9 @@ u32 ShaderIR::DecodeInstr(NodeBlock& bb, u32 pc) {
return pc + 1;
}
-void DeduceTextureHandlerSize(VideoCore::GuestDriverProfile* gpu_driver,
- std::list<Sampler>& used_samplers) {
- if (gpu_driver == nullptr) {
- LOG_CRITICAL(HW_GPU, "GPU Driver profile has not been created yet");
- return;
- }
- if (gpu_driver->TextureHandlerSizeKnown() || used_samplers.size() <= 1) {
- return;
- }
- u32 count{};
- std::vector<u32> bound_offsets;
- for (const auto& sampler : used_samplers) {
- if (sampler.IsBindless()) {
- continue;
- }
- count++;
- bound_offsets.emplace_back(sampler.GetOffset());
- }
- if (count > 1) {
- gpu_driver->DeduceTextureHandlerSize(std::move(bound_offsets));
- }
-}
-
void ShaderIR::PostDecode() {
// Deduce texture handler size if needed
- auto* gpu_driver = locker.AccessGuestDriverProfile();
+ auto gpu_driver = locker.AccessGuestDriverProfile();
DeduceTextureHandlerSize(gpu_driver, used_samplers);
}