diff --git a/libobs-opengl/gl-shader.c b/libobs-opengl/gl-shader.c
index 56eefca6964518..449ef5a2c0d295 100644
--- a/libobs-opengl/gl-shader.c
+++ b/libobs-opengl/gl-shader.c
@@ -514,6 +514,12 @@ static void program_set_param_data(struct gs_program *program,
 			gl_success("glUniform4fv");
 		}
 
+	} else if (pp->param->type == GS_SHADER_PARAM_MATRIX3X3) {
+		if (validate_param(pp, sizeof(struct matrix3))) {
+			glUniformMatrix3fv(pp->obj, 1, false, (float *)array);
+			gl_success("glUniformMatrix3fv");
+		}
+
 	} else if (pp->param->type == GS_SHADER_PARAM_MATRIX4X4) {
 		if (validate_param(pp, sizeof(struct matrix4))) {
 			glUniformMatrix4fv(pp->obj, 1, false, (float *)array);
diff --git a/libobs-opengl/gl-shaderparser.c b/libobs-opengl/gl-shaderparser.c
index 49f48859ba9637..094250616efb23 100644
--- a/libobs-opengl/gl-shaderparser.c
+++ b/libobs-opengl/gl-shaderparser.c
@@ -77,6 +77,8 @@ static bool gl_write_type_n(struct gl_shader_parser *glsp, const char *type,
 		dstr_cat(&glsp->gl_string, "uvec3");
 	else if (cmp_type(type, len, "uint4", 5) == 0)
 		dstr_cat(&glsp->gl_string, "uvec4");
+	else if (cmp_type(type, len, "float2x2", 8) == 0)
+		dstr_cat(&glsp->gl_string, "mat2x2");
 	else if (cmp_type(type, len, "float3x3", 8) == 0)
 		dstr_cat(&glsp->gl_string, "mat3x3");
 	else if (cmp_type(type, len, "float3x4", 8) == 0)
diff --git a/libobs/graphics/effect-parser.c b/libobs/graphics/effect-parser.c
index d260f9c676c308..aa4534cf6f8580 100644
--- a/libobs/graphics/effect-parser.c
+++ b/libobs/graphics/effect-parser.c
@@ -44,6 +44,10 @@ static enum gs_shader_param_type get_effect_param_type(const char *type)
 		return GS_SHADER_PARAM_INT4;
 	else if (astrcmp_n(type, "texture", 7) == 0)
 		return GS_SHADER_PARAM_TEXTURE;
+	else if (strcmp(type, "float2x2") == 0)
+		return GS_SHADER_PARAM_MATRIX2X2;
+	else if (strcmp(type, "float3x3") == 0)
+		return GS_SHADER_PARAM_MATRIX3X3;
 	else if (strcmp(type, "float4x4") == 0)
 		return GS_SHADER_PARAM_MATRIX4X4;
 	else if (strcmp(type, "bool") == 0)
@@ -1372,6 +1376,12 @@ static void debug_param(struct gs_effect_param *param,
 	case GS_SHADER_PARAM_VEC4:
 		snprintf(_debug_type, sizeof(_debug_type), "float4");
 		break;
+	case GS_SHADER_PARAM_MATRIX2X2:
+		snprintf(_debug_type, sizeof(_debug_type), "float2x2");
+		break;
+	case GS_SHADER_PARAM_MATRIX3X3:
+		snprintf(_debug_type, sizeof(_debug_type), "float3x3");
+		break;
 	case GS_SHADER_PARAM_MATRIX4X4:
 		snprintf(_debug_type, sizeof(_debug_type), "float4x4");
 		break;
diff --git a/libobs/graphics/graphics.h b/libobs/graphics/graphics.h
index 2237e666215bb8..e003843b2d62d5 100644
--- a/libobs/graphics/graphics.h
+++ b/libobs/graphics/graphics.h
@@ -319,6 +319,8 @@ enum gs_shader_param_type {
 	GS_SHADER_PARAM_INT4,
 	GS_SHADER_PARAM_MATRIX4X4,
 	GS_SHADER_PARAM_TEXTURE,
+	GS_SHADER_PARAM_MATRIX2X2,
+	GS_SHADER_PARAM_MATRIX3X3,
 };
 
 struct gs_shader_texture {
diff --git a/libobs/graphics/shader-parser.c b/libobs/graphics/shader-parser.c
index 23d7add641f686..2bca3c07ac9486 100644
--- a/libobs/graphics/shader-parser.c
+++ b/libobs/graphics/shader-parser.c
@@ -36,6 +36,10 @@ enum gs_shader_param_type get_shader_param_type(const char *type)
 		return GS_SHADER_PARAM_INT4;
 	else if (astrcmp_n(type, "texture", 7) == 0)
 		return GS_SHADER_PARAM_TEXTURE;
+	else if (strcmp(type, "float2x2") == 0)
+		return GS_SHADER_PARAM_MATRIX2X2;
+	else if (strcmp(type, "float3x3") == 0)
+		return GS_SHADER_PARAM_MATRIX3X3;
 	else if (strcmp(type, "float4x4") == 0)
 		return GS_SHADER_PARAM_MATRIX4X4;
 	else if (strcmp(type, "bool") == 0)