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OpenGL: use vendor name to get PCI vendor id

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OpenGL doesn't allow to query PCI information, but we can get vendor name through glGetString(GL_VENDOR), then match it with vendor id.

BUG=dawn:184

Change-Id: Icdcdc6bfdb5cd561b5057e8b2eab06df2dd5cea1
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/8940
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Austin Eng <enga@chromium.org>
Commit-Queue: Hao Li <hao.x.li@intel.com>
This commit is contained in:
Li, Hao
2019-07-17 01:04:30 +00:00
committed by Commit Bot service account
parent 5580970f59
commit 1ffb0d6a02
2 changed files with 36 additions and 4 deletions
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34
src/dawn_native/opengl/BackendGL.cpp
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@@ -14,11 +14,41 @@
#include "dawn_native/opengl/BackendGL.h"
#include "common/Constants.h"
#include "dawn_native/OpenGLBackend.h"
#include "dawn_native/opengl/DeviceGL.h"
#include <cstring>
namespace dawn_native { namespace opengl {
namespace {
struct Vendor {
const char* vendorName;
uint32_t vendorId;
};
const Vendor kVendors[] = {{"ATI", kVendorID_AMD},
{"ARM", kVendorID_ARM},
{"Imagination", kVendorID_ImgTec},
{"Intel", kVendorID_Intel},
{"NVIDIA", kVendorID_Nvidia},
{"Qualcomm", kVendorID_Qualcomm}};
uint32_t GetVendorIdFromVendors(const char* vendor) {
uint32_t vendorId = 0;
for (const auto& it : kVendors) {
// Matching vendor name with vendor string
if (strstr(vendor, it.vendorName) != nullptr) {
vendorId = it.vendorId;
break;
}
}
return vendorId;
}
} // namespace
// The OpenGL backend's Adapter.
class Adapter : public AdapterBase {
@@ -38,6 +68,10 @@ namespace dawn_native { namespace opengl {
mPCIInfo.name = reinterpret_cast<const char*>(mFunctions.GetString(GL_RENDERER));
// Workaroud to find vendor id from vendor name
const char* vendor = reinterpret_cast<const char*>(mFunctions.GetString(GL_VENDOR));
mPCIInfo.vendorId = GetVendorIdFromVendors(vendor);
return {};
}