diff --git a/neo/renderer/draw_arb2.cpp b/neo/renderer/draw_arb2.cpp
index c40f9666..c1d0d3e3 100644
--- a/neo/renderer/draw_arb2.cpp
+++ b/neo/renderer/draw_arb2.cpp
@@ -368,7 +368,12 @@ const char* softpartVShader = "!!ARBvp1.0  \n"
 	"OPTION ARB_position_invariant;  \n"
 	"# NOTE: unlike the TDM shader, the following lines use .texcoord and .color  \n"
 	"#   instead of .attrib[8] and .attrib[3], to make it work with non-nvidia drivers \n"
-	"MOV    result.texcoord, vertex.texcoord; \n"
+	"#   Furthermore, I added support for a texture matrix \n"
+	"PARAM defaultTexCoord = { 0, 0.5, 0, 1 }; \n"
+	"MOV    result.texcoord, defaultTexCoord; \n"
+	"# program.env[12] is PP_DIFFUSE_MATRIX_S, 13 is PP_DIFFUSE_MATRIX_T \n"
+	"DP4    result.texcoord.x, vertex.texcoord, program.env[12]; \n"
+	"DP4    result.texcoord.y, vertex.texcoord, program.env[13]; \n"
 	"MOV    result.color, vertex.color; \n"
 	"END \n";
 
diff --git a/neo/renderer/draw_common.cpp b/neo/renderer/draw_common.cpp
index 86f9acbf..0cabbfdd 100644
--- a/neo/renderer/draw_common.cpp
+++ b/neo/renderer/draw_common.cpp
@@ -1010,6 +1010,37 @@ void RB_STD_T_RenderShaderPasses( const drawSurf_t *surf ) {
 			printf("XX mat: %s, src_blend = %s dest_blend = %s radius = %g\n", shader->GetName(), srcblendstr, dstblend, surf->particle_radius);
 #endif
 
+			// DG: some particle materials (at least the muzzle flash in dentonmod) set the
+			//     texture matrix (with scroll, translate, scale, centerScale, shear or rotate).
+			//     Support that like in R_SetDrawInteraction() (the soft particle shader only
+			//     uses one texture, so I set the diffuse matrix for it)
+			idVec4 texMatrix[2];
+			if ( pStage->texture.hasMatrix ) {
+				texMatrix[0][0] = regs[pStage->texture.matrix[0][0]];
+				texMatrix[0][1] = regs[pStage->texture.matrix[0][1]];
+				texMatrix[0][2] = 0;
+				texMatrix[0][3] = regs[pStage->texture.matrix[0][2]];
+
+				texMatrix[1][0] = regs[pStage->texture.matrix[1][0]];
+				texMatrix[1][1] = regs[pStage->texture.matrix[1][1]];
+				texMatrix[1][2] = 0;
+				texMatrix[1][3] = regs[pStage->texture.matrix[1][2]];
+
+				// we attempt to keep scrolls from generating incredibly large texture values, but
+				// center rotations and center scales can still generate offsets that need to be > 1
+				if ( texMatrix[0][3] < -40 || texMatrix[0][3] > 40 ) {
+					texMatrix[0][3] -= (int)texMatrix[0][3];
+				}
+				if ( texMatrix[1][3] < -40 || texMatrix[1][3] > 40 ) {
+					texMatrix[1][3] -= (int)texMatrix[1][3];
+				}
+			} else {
+				texMatrix[0].Set( 1, 0, 0, 0 );
+				texMatrix[1].Set( 0, 1, 0, 0 );
+			}
+			qglProgramEnvParameter4fvARB( GL_VERTEX_PROGRAM_ARB, PP_DIFFUSE_MATRIX_S, texMatrix[0].ToFloatPtr() );
+			qglProgramEnvParameter4fvARB( GL_VERTEX_PROGRAM_ARB, PP_DIFFUSE_MATRIX_T, texMatrix[1].ToFloatPtr() );
+
 			// program.env[23] is the particle radius, given as { radius, 1/(faderange), 1/radius }
 			float fadeRange = 1.0f;
 			// fadeRange is the particle diameter for alpha blends (like smoke), but the particle radius for additive
diff --git a/neo/renderer/tr_light.cpp b/neo/renderer/tr_light.cpp
index 58076c10..523a08a2 100644
--- a/neo/renderer/tr_light.cpp
+++ b/neo/renderer/tr_light.cpp
@@ -1443,9 +1443,7 @@ static void R_AddAmbientDrawsurfs( viewEntity_t *vEntity ) {
 			float particle_radius = -1.0f;		// Default = disallow softening, but allow modelDepthHack if specified in the decl.
 			if ( r_useSoftParticles.GetBool() && r_enableDepthCapture.GetInteger() != 0
 				&& !shader->ReceivesLighting()          // don't soften surfaces that are meant to be solid
-				&& tr.viewDef->renderView.viewID >= 0   // Skip during "invisible" rendering passes (e.g. lightgem)
-				           // don't apply to particles spawned at the player-weapon (like muzzle flash)
-				&& !vEntity->weaponDepthHack ) // to fix https://github.com/dhewm/dhewm3-sdk/issues/36
+				&& tr.viewDef->renderView.viewID >= 0 ) // Skip during "invisible" rendering passes (e.g. lightgem)
 			{
 				const idRenderModelPrt* prt = dynamic_cast<const idRenderModelPrt*>( def->parms.hModel ); // yuck.
 				if ( prt )