fix projective texturing for (swtcl) texture rectangles. Fix wrong argument order for texgen/texmat matrix multiplication.

src/mesa/drivers/dri/radeon/radeon_state.c

@@ -2073,11 +2073,11 @@ static void update_texturematrix( GLcontext *ctx )
 	    /* Need to preconcatenate any active texgen 
 	     * obj/eyeplane matrices:
 	     */
-	    _math_matrix_mul_matrix( &rmesa->tmpmat, 
-				     &rmesa->TexGenMatrix[unit],
-				     ctx->TextureMatrixStack[unit].Top );
+	    _math_matrix_mul_matrix( &rmesa->tmpmat,
+				     ctx->TextureMatrixStack[unit].Top,
+				     &rmesa->TexGenMatrix[unit] );
 	    upload_matrix( rmesa, rmesa->tmpmat.m, TEXMAT_0+unit );
-	 } 
+	 }
 	 else {
 	    rmesa->TexMatEnabled |= 
 	       (RADEON_TEXGEN_INPUT_TEXCOORD_0+unit) << inputshift;

src/mesa/drivers/dri/radeon/radeon_swtcl.c

@@ -499,10 +499,20 @@ static GLboolean run_texrect_stage( GLcontext *ctx,
 	 GLint instride = VB->TexCoordPtr[i]->stride;
 	 GLfloat (*out)[4] = store->texcoord[i].data;
 	 GLint j;
-	 
+
+	 store->texcoord[i].size = VB->TexCoordPtr[i]->size;
 	 for (j = 0 ; j < VB->Count ; j++) {
-	    out[j][0] = in[0] * iw;
-	    out[j][1] = in[1] * ih;
+	    switch (VB->TexCoordPtr[i]->size) {
+	    case 4:
+	       out[j][3] = in[3];
+	    /* fallthrough */
+	    case 3:
+	       out[j][2] = in[2];
+	    /* fallthrough */
+	    default:
+	       out[j][0] = in[0] * iw;
+	       out[j][1] = in[1] * ih;
+	    }
 	    in = (GLfloat *)((GLubyte *)in + instride);
 	 }