diff --git a/src/audio/oal/channel.cpp b/src/audio/oal/channel.cpp
index 519ecf040..7d06d3de4 100644
--- a/src/audio/oal/channel.cpp
+++ b/src/audio/oal/channel.cpp
@@ -9,7 +9,11 @@
 #endif
 
 extern bool IsFXSupported();
+#ifdef FIX_BUGS
+// Defined in sampman_oal.cpp behind the same guard, so without one here the Vanilla
+// configuration references a symbol that was never emitted and fails at link (LNK2001).
 extern size_t gPlayerTalkDataSize;
+#endif
 
 ALuint alSources[NUM_CHANNELS];
 ALuint alFilters[NUM_CHANNELS];
@@ -26,7 +30,11 @@ CChannel::InitChannels()
 	if (IsFXSupported())
 		alGenFilters(NUM_CHANNELS, alFilters);
 
+#ifdef FIX_BUGS
 	tempStereoBuffer = new uint8[Max(PED_BLOCKSIZE, gPlayerTalkDataSize) * 2];
+#else
+	tempStereoBuffer = new uint8[PED_BLOCKSIZE * 2];
+#endif
 	bChannelsCreated = true;
 }
 
diff --git a/src/renderer/Coronas.cpp b/src/renderer/Coronas.cpp
index c44e07b42..0836a4f3d 100644
--- a/src/renderer/Coronas.cpp
+++ b/src/renderer/Coronas.cpp
@@ -913,9 +913,21 @@ CEntity::ProcessLightsForEntity(void)
 						effect->light.shadowSize, 0.0f,
 						0.0f, -effect->light.shadowSize,
 						128,
+#ifdef FIX_BUGS
+						// StoreStaticShadow takes these as uint8 and nothing bounds them on
+						// the way in, so a value past 255 wraps instead of clipping and the
+						// decal comes out dark rather than merely too bright. Retail data
+						// stops at exactly 255 (sprBght tops out at 1.00 in timecyc.dat),
+						// but the parser stores sprBght*10 in an int8, so anything asking
+						// for more than 1.0 is already over.
+						Min(effect->col.r*CTimeCycle::GetSpriteBrightness()*effect->light.shadowIntensity/255.0f, 255.0f),
+						Min(effect->col.g*CTimeCycle::GetSpriteBrightness()*effect->light.shadowIntensity/255.0f, 255.0f),
+						Min(effect->col.b*CTimeCycle::GetSpriteBrightness()*effect->light.shadowIntensity/255.0f, 255.0f),
+#else
 						effect->col.r*CTimeCycle::GetSpriteBrightness()*effect->light.shadowIntensity/255.0f,
 						effect->col.g*CTimeCycle::GetSpriteBrightness()*effect->light.shadowIntensity/255.0f,
 						effect->col.b*CTimeCycle::GetSpriteBrightness()*effect->light.shadowIntensity/255.0f,
+#endif
 						15.0f, 1.0f, 40.0f, false, 0.0f);
 				}else if(lightFlickering){
 					CShadows::StoreStaticShadow((uintptr)this + i, SHADOWTYPE_ADDITIVE,
diff --git a/src/rw/TexRead.cpp b/src/rw/TexRead.cpp
index 9b190a4a1..3587ea220 100644
--- a/src/rw/TexRead.cpp
+++ b/src/rw/TexRead.cpp
@@ -296,12 +296,16 @@ bool
 CanVideoCardDoDXT(void)
 {
 #ifdef LIBRW
-	// TODO
-#ifdef RW_OPENGL
-	return false;
-#else
-	return true;
-#endif
+	// Answering "no" unconditionally is not free: CStreaming::Init then builds
+	// MODELS\TXD.IMG, repacking every texture dictionary out of its D3D8 container, and
+	// TXD.DIR is scanned before GTA3.DIR - so that copy is what gets read from then on and
+	// the originals are shadowed. On the retail PC data that is 1360 dictionaries, ~180 MB
+	// of duplicate and a conversion pass on first run, for a card that can read the
+	// originals directly. GetGPUcaps already asks librw the same question, so ask it here:
+	// desktop GL has S3TC, and a GLES device without it still takes the conversion path.
+	GPUcaps caps;
+	GetGPUcaps(&caps);
+	return !!caps.dxtSupport;
 #else
 	return _rwD3D8CheckValidTextureFormat(D3DFMT_DXT1) && _rwD3D8CheckValidTextureFormat(D3DFMT_DXT3);
 #endif