some bug fixes

src/d3d/d3d.cpp

@@ -572,7 +572,7 @@ rasterFromImage(Raster *raster, Image *image)
 				case Raster::C1555:
 					out[0] = in[0];
 					out[1] = in[1];
-					in += 2;
+					in += inc;
 					out += 2;
 					break;
 				}

src/d3d/d3ddevice.cpp

@@ -295,8 +295,8 @@ setFilterMode(uint32 stage, int32 filter)
 	// TODO: mip mapping
 	if(rwStateCache.texstage[stage].filter != (Texture::FilterMode)filter){
 		rwStateCache.texstage[stage].filter = (Texture::FilterMode)filter;
-		setSamplerState(0, D3DSAMP_MAGFILTER, filterConvMap_NoMIP[filter]);
+		setSamplerState(stage, D3DSAMP_MAGFILTER, filterConvMap_NoMIP[filter]);
-		setSamplerState(0, D3DSAMP_MINFILTER, filterConvMap_NoMIP[filter]);
+		setSamplerState(stage, D3DSAMP_MINFILTER, filterConvMap_NoMIP[filter]);
 	}
 }
 
@@ -305,7 +305,7 @@ setAddressU(uint32 stage, int32 addressing)
 {
 	if(rwStateCache.texstage[stage].addressingU != (Texture::Addressing)addressing){
 		rwStateCache.texstage[stage].addressingU = (Texture::Addressing)addressing;
-		setSamplerState(0, D3DSAMP_ADDRESSU, addressConvMap[addressing]);
+		setSamplerState(stage, D3DSAMP_ADDRESSU, addressConvMap[addressing]);
 	}
 }
 
@@ -314,7 +314,7 @@ setAddressV(uint32 stage, int32 addressing)
 {
 	if(rwStateCache.texstage[stage].addressingV != (Texture::Addressing)addressing){
 		rwStateCache.texstage[stage].addressingV = (Texture::Addressing)addressing;
-		setSamplerState(0, D3DSAMP_ADDRESSV, addressConvMap[addressing]);
+		setSamplerState(stage, D3DSAMP_ADDRESSV, addressConvMap[addressing]);
 	}
 }
 

src/gl/gl3device.cpp

@@ -236,6 +236,44 @@ setAddressV(uint32 stage, int32 addressing)
 	}
 }
 
+static void
+setRasterStageOnly(uint32 stage, Raster *raster)
+{
+	bool32 alpha;
+	if(raster != rwStateCache.texstage[stage].raster){
+		rwStateCache.texstage[stage].raster = raster;
+		setActiveTexture(GL_TEXTURE0+stage);
+		if(raster){
+			assert(raster->platform == PLATFORM_GL3);
+			Gl3Raster *natras = PLUGINOFFSET(Gl3Raster, raster, nativeRasterOffset);
+			glBindTexture(GL_TEXTURE_2D, natras->texid);
+
+			rwStateCache.texstage[stage].filter = (rw::Texture::FilterMode)natras->filterMode;
+			rwStateCache.texstage[stage].addressingU = (rw::Texture::Addressing)natras->addressU;
+			rwStateCache.texstage[stage].addressingV = (rw::Texture::Addressing)natras->addressV;
+
+			alpha = natras->hasAlpha;
+		}else{
+			glBindTexture(GL_TEXTURE_2D, whitetex);
+			glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+			glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+			glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+			glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+			alpha = 0;
+		}
+
+		if(stage == 0){
+			if(alpha != rwStateCache.textureAlpha){
+				rwStateCache.textureAlpha = alpha;
+				if(!rwStateCache.vertexAlpha){
+					(alpha ? glEnable : glDisable)(GL_BLEND);
+					setAlphaTest(alpha);
+				}
+			}
+		}
+	}
+}
+
 static void
 setRasterStage(uint32 stage, Raster *raster)
 {
@@ -288,17 +326,15 @@ setRasterStage(uint32 stage, Raster *raster)
 void
 setTexture(int32 stage, Texture *tex)
 {
-	if(tex == nil){
+	if(tex == nil || tex->raster == nil){
 		setRasterStage(stage, nil);
 		return;
 	}
-	if(tex->raster){
+	setRasterStageOnly(stage, tex->raster);
 	setFilterMode(stage, tex->getFilter());
 	setAddressU(stage, tex->getAddressU());
 	setAddressV(stage, tex->getAddressV());
 }
-	setRasterStage(stage, tex->raster);
-}
 
 static void
 setRenderState(int32 state, void *pvalue)

src/gl/gl3pipe.cpp

@@ -49,6 +49,7 @@ instance(rw::ObjPipeline *rwpipe, Atomic *atomic)
 	for(uint32 i = 0; i < header->numMeshes; i++){
 		findMinVertAndNumVertices(mesh->indices, mesh->numIndices,
 		                          &inst->minVert, &inst->numVertices);
+		assert(inst->minVert != 0xFFFFFFFF);
 		inst->numIndex = mesh->numIndices;
 		inst->material = mesh->material;
 		inst->vertexAlpha = 0;
@@ -200,6 +201,7 @@ defaultInstanceCB(Geometry *geo, InstanceDataHeader *header)
 		int n = header->numMeshes;
 		InstanceData *inst = header->inst;
 		while(n--){
+			assert(inst->minVert != 0xFFFFFFFF);
 			inst->vertexAlpha = instColor(VERT_RGBA,
 				verts + a->offset + a->stride*inst->minVert,
 				geo->colors + inst->minVert,

src/image.cpp

@@ -378,6 +378,7 @@ Image::unindex(void)
 	}
 	this->free();
 	this->depth = ndepth;
+	this->bpp = ndepth < 8 ? 1 : ndepth/8;
 	this->stride = nstride;
 	this->setPixels(npixels);
 }

src/pipeline.cpp

@@ -44,10 +44,16 @@ findMinVertAndNumVertices(uint16 *indices, uint32 numIndices, uint32 *minVert, i
 			max = *indices;
 		indices++;
 	}
+	uint32 num = max - min + 1;
+	// if mesh is empty, this can happen
+	if(min > max){
+		min = 0;
+		num = 0;
+	}
 	if(minVert)
 		*minVert = min;
 	if(numVertices)
-		*numVertices = max - min + 1;
+		*numVertices = num;
 }
 
 void