Lots of graphics fixes.

neo/renderer/Image_program.cpp

@@ -428,14 +428,6 @@ static bool R_ParseImageProgram_r( idLexer &src, byte **pic, int *width, int *he
 			return false;
 		}
 
-		if (width2 <= 0 || height2 <= 0) {
-			if (pic) {
-				R_StaticFree(*pic);
-				*pic = NULL;
-			}
-			return false;
-		}
-		
 		// process it
 		if ( pic ) {
 			R_AddNormalMaps( *pic, *width, *height, pic2, width2, height2 );

neo/renderer/Model.cpp

@@ -577,6 +577,7 @@ void idRenderModelStatic::UpdateDXR(uint32_t& dxrBottomAcel, int onlySurface)
 	std::vector<uint32_t> indices(numDXRIndexes);
 
 	int vertexId = 0;
+	int indexId = 0;
 	for (int i = 0; i < surfaces.Num(); i++)
 	{
 		if (onlySurface != -1 && onlySurface != i)
@@ -585,7 +586,7 @@ void idRenderModelStatic::UpdateDXR(uint32_t& dxrBottomAcel, int onlySurface)
 		modelSurface_t* surf = &surfaces[i];
 		for (int d = 0; d < surf->geometry->numIndexes; ++d)
 		{
-			indices[d] = vertexId + surf->geometry->indexes[d];
+			indices[indexId++] = vertexId + surf->geometry->indexes[d];
 		}
 
 		for (int d = 0; d < surf->geometry->numVerts; ++d)

neo/renderer/Model.h

@@ -137,6 +137,8 @@ typedef struct srfTriangles_s {
 	struct vertCache_s *		ambientCache;			// idDrawVert
 	struct vertCache_s *		lightingCache;			// lightingCache_t
 	struct vertCache_s *		shadowCache;			// shadowCache_t
+
+	bool						isSkeletal;
 } srfTriangles_t;
 
 typedef idList<srfTriangles_t *> idTriList;

neo/renderer/Model_md5.cpp

@@ -301,7 +301,7 @@ void idMD5Mesh::UpdateSurface( const struct renderEntity_s *ent, const idJointMa
 	tri->deformedSurface = true;
 	tri->tangentsCalculated = false;
 	tri->facePlanesCalculated = false;
-
+	tri->isSkeletal = true;
 	tri->numIndexes = deformInfo->numIndexes;
 	tri->indexes = deformInfo->indexes;
 	tri->silIndexes = deformInfo->silIndexes;

neo/renderer/RenderWorld_load.cpp

@@ -182,7 +182,7 @@ idRenderModel *idRenderWorldLocal::ParseModel( idLexer *src ) {
 		// add the completed surface to the model
 		model->AddSurface( surf );
 
-		if(!surf.shader->IsSky())
+		if (!surf.shader->IsSky())
 		{
 			idRenderModelStatic* modelStatic = (idRenderModelStatic*)model;
 			dxrWorldModel_t dxrModel;

neo/renderer/draw_common.cpp

@@ -500,8 +500,7 @@ void RB_T_FillDepthBuffer( const drawSurf_t *surf ) {
 
 	// draw the entire surface solid
 		// draw the entire surface solid
-	if (drawSolid) {
-		glDisable(GL_BLEND);
+	if (drawSolid && !shader->IsSky()) {
 		glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
 		// bind the texture
 		GL_SelectTexture(0);
@@ -513,6 +512,15 @@ void RB_T_FillDepthBuffer( const drawSurf_t *surf ) {
 		shader->GetBumpImage()->Bind();
 		glBindNormalMapTexture(shader->GetBumpImage()->texnum);
 
+		if (!surf->geo->isSkeletal)
+		{
+			glGeometryFlagf(GEOMETRY_FLAG_NONE);
+		}
+		else
+		{
+			glGeometryFlagf(GEOMETRY_FLAG_SKELETAL);
+		}
+
 		// set texture matrix and texGens.  The Quake 4 path needs to know this is a depth fill.
 		RB_PrepareStageTexturing(pStage, surf, ac);
 
@@ -524,7 +532,6 @@ void RB_T_FillDepthBuffer( const drawSurf_t *surf ) {
 		GL_SelectTexture(1);
 		globalImages->BindNull();
 		GL_SelectTexture(0);
-		glEnable(GL_BLEND);
 	}