Make precisionStrip, halfFloat and decompressTextures depend on target version/extensions.

Also add a mapping of GL extension to compressed texture formats,
so we can perform texture decompression only for formats used in
the captured stream that are not supported by the target device.

Change-Id: Ifa6bc896b7201532c8312bc0a3b8959782bdd693

1 files changed, 10 insertions, 0 deletions

diff --git a/service/device.go b/service/device.go
index bafb5845a..9439153ca 100644
--- a/service/device.go
+++ b/service/device.go
@@ -15,6 +15,9 @@
 package service
 
 import (
+	"fmt"
+	"regexp"
+
 	"android.googlesource.com/platform/tools/gpu/binary/endian"
 	"android.googlesource.com/platform/tools/gpu/device"
 )
@@ -28,3 +31,10 @@ func (d Device) Architecture() device.Architecture {
 		ByteOrder:        endian.Little,      // TODO: Resolve
 	}
 }
+
+func (d Device) HasExtension(extension string) bool {
+	if re, err := regexp.Compile(fmt.Sprintf(`\b%s\b`, extension)); err == nil {
+		return re.MatchString(d.Extensions)
+	}
+	return false
+}